SYMBOLCOMMON_NAMEaka. SYNONYMS
win.tidepool (Back to overview)

Tidepool

Actor(s): Mirage


There is no description at this point.

References
2022-07-18Palo Alto Networks Unit 42Unit 42
@online{42:20220718:shallow:cc9413f, author = {Unit 42}, title = {{Shallow Taurus}}, date = {2022-07-18}, organization = {Palo Alto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/atoms/shallowtaurus/}, language = {English}, urldate = {2022-07-29} } Shallow Taurus
FormerFirstRAT IsSpace NewCT PlugX Poison Ivy Tidepool DragonOK
2016-05-22Palo Alto Networks Unit 42Micah Yates, Mike Scott, Brandon Levene, Jen Miller-Osborn, Tom Keigher
@online{yates:20160522:operation:2e8f4a8, author = {Micah Yates and Mike Scott and Brandon Levene and Jen Miller-Osborn and Tom Keigher}, title = {{Operation Ke3chang Resurfaces With New TidePool Malware}}, date = {2016-05-22}, organization = {Palo Alto Networks Unit 42}, url = {http://researchcenter.paloaltonetworks.com/2016/05/operation-ke3chang-resurfaces-with-new-tidepool-malware/}, language = {English}, urldate = {2019-12-20} } Operation Ke3chang Resurfaces With New TidePool Malware
Tidepool
2013-12-12FireEye IncNart Villeneuve, James T. Bennett, Ned Moran, Thoufique Haq, Mike Scott, Kenneth Geers
@online{villeneuve:20131212:operation:70b2323, author = {Nart Villeneuve and James T. Bennett and Ned Moran and Thoufique Haq and Mike Scott and Kenneth Geers}, title = {{OPERATION “KE3CHANG”:Targeted Attacks Against Ministries of Foreign Affairs}}, date = {2013-12-12}, organization = {FireEye Inc}, url = {https://www.mandiant.com/resources/operation-ke3chang-targeted-attacks-against-ministries-of-foreign-affairs}, language = {English}, urldate = {2023-01-25} } OPERATION “KE3CHANG”:Targeted Attacks Against Ministries of Foreign Affairs
Tidepool APT15
Yara Rules
[TLP:WHITE] win_tidepool_auto (20230125 | Detects win.tidepool.)
rule win_tidepool_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.tidepool."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.tidepool"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 83c404 8bc6 5e c20400 80790800 c701???????? 740e }
            // n = 7, score = 1000
            //   83c404               | add                 esp, 4
            //   8bc6                 | mov                 eax, esi
            //   5e                   | pop                 esi
            //   c20400               | ret                 4
            //   80790800             | cmp                 byte ptr [ecx + 8], 0
            //   c701????????         |                     
            //   740e                 | je                  0x10

        $sequence_1 = { 6a00 50 8b08 ff91a4000000 }
            // n = 4, score = 1000
            //   6a00                 | push                0
            //   50                   | push                eax
            //   8b08                 | mov                 ecx, dword ptr [eax]
            //   ff91a4000000         | call                dword ptr [ecx + 0xa4]

        $sequence_2 = { 5f 5e 5b 8b8d00030000 33cd e8???????? 81c504030000 }
            // n = 7, score = 1000
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx
            //   8b8d00030000         | mov                 ecx, dword ptr [ebp + 0x300]
            //   33cd                 | xor                 ecx, ebp
            //   e8????????           |                     
            //   81c504030000         | add                 ebp, 0x304

        $sequence_3 = { e8???????? 83c40c 803d????????37 7518 }
            // n = 4, score = 900
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   803d????????37       |                     
            //   7518                 | jne                 0x1a

        $sequence_4 = { 83e906 51 83c006 50 6a02 }
            // n = 5, score = 900
            //   83e906               | sub                 ecx, 6
            //   51                   | push                ecx
            //   83c006               | add                 eax, 6
            //   50                   | push                eax
            //   6a02                 | push                2

        $sequence_5 = { 6800000040 8d4500 50 ff15???????? }
            // n = 4, score = 900
            //   6800000040           | push                0x40000000
            //   8d4500               | lea                 eax, [ebp]
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_6 = { 33db 53 6a02 8bf1 e8???????? }
            // n = 5, score = 900
            //   33db                 | xor                 ebx, ebx
            //   53                   | push                ebx
            //   6a02                 | push                2
            //   8bf1                 | mov                 esi, ecx
            //   e8????????           |                     

        $sequence_7 = { 8b4654 50 8b08 ff5138 47 83ff14 }
            // n = 6, score = 800
            //   8b4654               | mov                 eax, dword ptr [esi + 0x54]
            //   50                   | push                eax
            //   8b08                 | mov                 ecx, dword ptr [eax]
            //   ff5138               | call                dword ptr [ecx + 0x38]
            //   47                   | inc                 edi
            //   83ff14               | cmp                 edi, 0x14

        $sequence_8 = { 49 75f9 b8???????? b900000400 }
            // n = 4, score = 800
            //   49                   | dec                 ecx
            //   75f9                 | jne                 0xfffffffb
            //   b8????????           |                     
            //   b900000400           | mov                 ecx, 0x40000

        $sequence_9 = { 52 8d5658 52 50 ff91d0000000 33ff }
            // n = 6, score = 800
            //   52                   | push                edx
            //   8d5658               | lea                 edx, [esi + 0x58]
            //   52                   | push                edx
            //   50                   | push                eax
            //   ff91d0000000         | call                dword ptr [ecx + 0xd0]
            //   33ff                 | xor                 edi, edi

        $sequence_10 = { 8bf1 e8???????? 8b4654 6a00 50 }
            // n = 5, score = 800
            //   8bf1                 | mov                 esi, ecx
            //   e8????????           |                     
            //   8b4654               | mov                 eax, dword ptr [esi + 0x54]
            //   6a00                 | push                0
            //   50                   | push                eax

        $sequence_11 = { e8???????? 68???????? 68???????? 68???????? 8d4500 }
            // n = 5, score = 800
            //   e8????????           |                     
            //   68????????           |                     
            //   68????????           |                     
            //   68????????           |                     
            //   8d4500               | lea                 eax, [ebp]

        $sequence_12 = { 681f000200 56 68???????? 6801000080 }
            // n = 4, score = 800
            //   681f000200           | push                0x2001f
            //   56                   | push                esi
            //   68????????           |                     
            //   6801000080           | push                0x80000001

        $sequence_13 = { ff25???????? ff25???????? 56 57 b8???????? }
            // n = 5, score = 800
            //   ff25????????         |                     
            //   ff25????????         |                     
            //   56                   | push                esi
            //   57                   | push                edi
            //   b8????????           |                     

        $sequence_14 = { 8b4654 8d9698000000 52 8d5678 8b08 }
            // n = 5, score = 800
            //   8b4654               | mov                 eax, dword ptr [esi + 0x54]
            //   8d9698000000         | lea                 edx, [esi + 0x98]
            //   52                   | push                edx
            //   8d5678               | lea                 edx, [esi + 0x78]
            //   8b08                 | mov                 ecx, dword ptr [eax]

        $sequence_15 = { 8d45ec 50 681f000200 53 }
            // n = 4, score = 800
            //   8d45ec               | lea                 eax, [ebp - 0x14]
            //   50                   | push                eax
            //   681f000200           | push                0x2001f
            //   53                   | push                ebx

        $sequence_16 = { 5d 51 c3 55 8bec 81ec28030000 a3???????? }
            // n = 7, score = 800
            //   5d                   | pop                 ebp
            //   51                   | push                ecx
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   81ec28030000         | sub                 esp, 0x328
            //   a3????????           |                     

        $sequence_17 = { 50 6802020000 ff15???????? 68???????? ff15???????? 8bf8 85ff }
            // n = 7, score = 800
            //   50                   | push                eax
            //   6802020000           | push                0x202
            //   ff15????????         |                     
            //   68????????           |                     
            //   ff15????????         |                     
            //   8bf8                 | mov                 edi, eax
            //   85ff                 | test                edi, edi

        $sequence_18 = { b900000400 c60000 40 49 }
            // n = 4, score = 800
            //   b900000400           | mov                 ecx, 0x40000
            //   c60000               | mov                 byte ptr [eax], 0
            //   40                   | inc                 eax
            //   49                   | dec                 ecx

        $sequence_19 = { 6810270000 ff15???????? 8b45ec 8b08 }
            // n = 4, score = 800
            //   6810270000           | push                0x2710
            //   ff15????????         |                     
            //   8b45ec               | mov                 eax, dword ptr [ebp - 0x14]
            //   8b08                 | mov                 ecx, dword ptr [eax]

        $sequence_20 = { 8975fc 6689b568ffffff 6882000000 56 8d856affffff }
            // n = 5, score = 700
            //   8975fc               | mov                 dword ptr [ebp - 4], esi
            //   6689b568ffffff       | mov                 word ptr [ebp - 0x98], si
            //   6882000000           | push                0x82
            //   56                   | push                esi
            //   8d856affffff         | lea                 eax, [ebp - 0x96]

        $sequence_21 = { 8d7c2428 f3a5 c1e810 83e03f 83f83f 0fbed2 }
            // n = 6, score = 600
            //   8d7c2428             | lea                 edi, [esp + 0x28]
            //   f3a5                 | rep movsd           dword ptr es:[edi], dword ptr [esi]
            //   c1e810               | shr                 eax, 0x10
            //   83e03f               | and                 eax, 0x3f
            //   83f83f               | cmp                 eax, 0x3f
            //   0fbed2               | movsx               edx, dl

        $sequence_22 = { 3bd1 0f8d33010000 2bca 33d2 85c9 }
            // n = 5, score = 600
            //   3bd1                 | cmp                 edx, ecx
            //   0f8d33010000         | jge                 0x139
            //   2bca                 | sub                 ecx, edx
            //   33d2                 | xor                 edx, edx
            //   85c9                 | test                ecx, ecx

        $sequence_23 = { f3a5 a4 7706 8a440428 eb02 b03d 837c241002 }
            // n = 7, score = 600
            //   f3a5                 | rep movsd           dword ptr es:[edi], dword ptr [esi]
            //   a4                   | movsb               byte ptr es:[edi], byte ptr [esi]
            //   7706                 | ja                  8
            //   8a440428             | mov                 al, byte ptr [esp + eax + 0x28]
            //   eb02                 | jmp                 4
            //   b03d                 | mov                 al, 0x3d
            //   837c241002           | cmp                 dword ptr [esp + 0x10], 2

        $sequence_24 = { ff75ec ff15???????? 8b35???????? 6a04 }
            // n = 4, score = 400
            //   ff75ec               | push                dword ptr [ebp - 0x14]
            //   ff15????????         |                     
            //   8b35????????         |                     
            //   6a04                 | push                4

        $sequence_25 = { 8bca 33c0 8dbd8efdffff 66899d8cfdffff f3ab }
            // n = 5, score = 200
            //   8bca                 | mov                 ecx, edx
            //   33c0                 | xor                 eax, eax
            //   8dbd8efdffff         | lea                 edi, [ebp - 0x272]
            //   66899d8cfdffff       | mov                 word ptr [ebp - 0x274], bx
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax

        $sequence_26 = { ff15???????? 8365f800 8d4df8 51 50 89450c ff15???????? }
            // n = 7, score = 200
            //   ff15????????         |                     
            //   8365f800             | and                 dword ptr [ebp - 8], 0
            //   8d4df8               | lea                 ecx, [ebp - 8]
            //   51                   | push                ecx
            //   50                   | push                eax
            //   89450c               | mov                 dword ptr [ebp + 0xc], eax
            //   ff15????????         |                     

        $sequence_27 = { c7458444000000 6a04 be00020000 f3ab 8b3d???????? }
            // n = 5, score = 200
            //   c7458444000000       | mov                 dword ptr [ebp - 0x7c], 0x44
            //   6a04                 | push                4
            //   be00020000           | mov                 esi, 0x200
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax
            //   8b3d????????         |                     

        $sequence_28 = { 56 ff742424 ffd7 53 56 }
            // n = 5, score = 200
            //   56                   | push                esi
            //   ff742424             | push                dword ptr [esp + 0x24]
            //   ffd7                 | call                edi
            //   53                   | push                ebx
            //   56                   | push                esi

        $sequence_29 = { 8b0c8d60630110 8d04c0 8d0481 8b4dfc }
            // n = 4, score = 200
            //   8b0c8d60630110       | mov                 ecx, dword ptr [ecx*4 + 0x10016360]
            //   8d04c0               | lea                 eax, [eax + eax*8]
            //   8d0481               | lea                 eax, [ecx + eax*4]
            //   8b4dfc               | mov                 ecx, dword ptr [ebp - 4]

        $sequence_30 = { 8365fc00 c745f0ef430010 8965f4 896df8 }
            // n = 4, score = 200
            //   8365fc00             | and                 dword ptr [ebp - 4], 0
            //   c745f0ef430010       | mov                 dword ptr [ebp - 0x10], 0x100043ef
            //   8965f4               | mov                 dword ptr [ebp - 0xc], esp
            //   896df8               | mov                 dword ptr [ebp - 8], ebp

    condition:
        7 of them and filesize < 1998848
}
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