SYMBOLCOMMON_NAMEaka. SYNONYMS
win.pebbledash (Back to overview)

PEBBLEDASH


There is no description at this point.

References
2022-01-05AhnLabASEC Analysis Team
@online{team:20220105:analysis:6eadabd, author = {ASEC Analysis Team}, title = {{Analysis Report on Kimsuky Group’s APT Attacks (AppleSeed, PebbleDash)}}, date = {2022-01-05}, organization = {AhnLab}, url = {https://asec.ahnlab.com/en/30532/}, language = {English}, urldate = {2022-04-15} } Analysis Report on Kimsuky Group’s APT Attacks (AppleSeed, PebbleDash)
Appleseed Kimsuky PEBBLEDASH
2021-12-28AhnLabASEC Analysis Team
@online{team:20211228:attack:edb0d15, author = {ASEC Analysis Team}, title = {{APT Attack Cases of Kimsuky Group (PebbleDash)}}, date = {2021-12-28}, organization = {AhnLab}, url = {https://asec.ahnlab.com/en/30022/}, language = {English}, urldate = {2022-04-15} } APT Attack Cases of Kimsuky Group (PebbleDash)
PEBBLEDASH
2021-11-16AhnLabASEC Analysis Team
@techreport{team:20211116:analysis:77a82f6, author = {ASEC Analysis Team}, title = {{Analysis Report of Kimsuky Group's APT Attacks (AppleSeed, PebbleDash)}}, date = {2021-11-16}, institution = {AhnLab}, url = {https://download.ahnlab.com/global/brochure/Analysis%20Report%20of%20Kimsuky%20Group.pdf}, language = {English}, urldate = {2022-05-04} } Analysis Report of Kimsuky Group's APT Attacks (AppleSeed, PebbleDash)
Appleseed PEBBLEDASH
2021-06-15KasperskySeongsu Park
@online{park:20210615:andariel:1e000a0, author = {Seongsu Park}, title = {{Andariel evolves to target South Korea with ransomware}}, date = {2021-06-15}, organization = {Kaspersky}, url = {https://securelist.com/andariel-evolves-to-target-south-korea-with-ransomware/102811/}, language = {English}, urldate = {2021-11-03} } Andariel evolves to target South Korea with ransomware
BISTROMATH PEBBLEDASH Tiger RAT Unidentified 081 (Andariel Ransomware)
2020-06-23ReversingLabsKarlo Zanki
@online{zanki:20200623:hidden:807b898, author = {Karlo Zanki}, title = {{Hidden Cobra - from a shed skin to the viper’s nest}}, date = {2020-06-23}, organization = {ReversingLabs}, url = {https://blog.reversinglabs.com/blog/hidden-cobra}, language = {English}, urldate = {2020-06-23} } Hidden Cobra - from a shed skin to the viper’s nest
Bankshot PEBBLEDASH TAINTEDSCRIBE
2020-06-02MalwareNailedFaisal Abdul Malik Qureshi
@online{qureshi:20200602:pebbledash:6ffad25, author = {Faisal Abdul Malik Qureshi}, title = {{PebbleDash - Lazarus / HiddenCobra RAT}}, date = {2020-06-02}, organization = {MalwareNailed}, url = {https://malwarenailed.blogspot.com/2020/06/peebledash-lazarus-hiddencobra-rat.html?m=1}, language = {English}, urldate = {2020-06-03} } PebbleDash - Lazarus / HiddenCobra RAT
PEBBLEDASH
2020-05-12US-CERTUS-CERT
@online{uscert:20200512:mar102888343v1:f924c43, author = {US-CERT}, title = {{MAR-10288834-3.v1 – North Korean Trojan: PEBBLEDASH}}, date = {2020-05-12}, organization = {US-CERT}, url = {https://www.us-cert.gov/ncas/analysis-reports/ar20-133c}, language = {English}, urldate = {2020-05-13} } MAR-10288834-3.v1 – North Korean Trojan: PEBBLEDASH
PEBBLEDASH
Yara Rules
[TLP:WHITE] win_pebbledash_auto (20220411 | Detects win.pebbledash.)
rule win_pebbledash_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-04-08"
        version = "1"
        description = "Detects win.pebbledash."
        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.pebbledash"
        malpedia_rule_date = "20220405"
        malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a"
        malpedia_version = "20220411"
        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 = { e8???????? 83c40c 817d0c1e010000 7f15 837d101e 7f0f 837d1413 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   817d0c1e010000       | cmp                 dword ptr [ebp + 0xc], 0x11e
            //   7f15                 | jg                  0x17
            //   837d101e             | cmp                 dword ptr [ebp + 0x10], 0x1e
            //   7f0f                 | jg                  0x11
            //   837d1413             | cmp                 dword ptr [ebp + 0x14], 0x13

        $sequence_1 = { 8b4d08 8b5104 52 ff15???????? 8b4d08 2b410c }
            // n = 6, score = 100
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   8b5104               | mov                 edx, dword ptr [ecx + 4]
            //   52                   | push                edx
            //   ff15????????         |                     
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   2b410c               | sub                 eax, dword ptr [ecx + 0xc]

        $sequence_2 = { 51 8d95dcfbffff 52 e8???????? 83c408 6a5c 8b4508 }
            // n = 7, score = 100
            //   51                   | push                ecx
            //   8d95dcfbffff         | lea                 edx, dword ptr [ebp - 0x424]
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   6a5c                 | push                0x5c
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]

        $sequence_3 = { 8b5514 c70200000000 8b45f4 8be5 5d c3 55 }
            // n = 7, score = 100
            //   8b5514               | mov                 edx, dword ptr [ebp + 0x14]
            //   c70200000000         | mov                 dword ptr [edx], 0
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   55                   | push                ebp

        $sequence_4 = { 894218 eb71 6a00 8b4dec 51 6a00 6a04 }
            // n = 7, score = 100
            //   894218               | mov                 dword ptr [edx + 0x18], eax
            //   eb71                 | jmp                 0x73
            //   6a00                 | push                0
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   51                   | push                ecx
            //   6a00                 | push                0
            //   6a04                 | push                4

        $sequence_5 = { eb0c 8b4df4 81c100040000 894df4 8b55f8 2b55f4 }
            // n = 6, score = 100
            //   eb0c                 | jmp                 0xe
            //   8b4df4               | mov                 ecx, dword ptr [ebp - 0xc]
            //   81c100040000         | add                 ecx, 0x400
            //   894df4               | mov                 dword ptr [ebp - 0xc], ecx
            //   8b55f8               | mov                 edx, dword ptr [ebp - 8]
            //   2b55f4               | sub                 edx, dword ptr [ebp - 0xc]

        $sequence_6 = { c3 55 8bec b824260000 e8???????? 57 }
            // n = 6, score = 100
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   b824260000           | mov                 eax, 0x2624
            //   e8????????           |                     
            //   57                   | push                edi

        $sequence_7 = { 83c40c 8b4de4 83c104 894de4 8b55ac 83c202 3955e4 }
            // n = 7, score = 100
            //   83c40c               | add                 esp, 0xc
            //   8b4de4               | mov                 ecx, dword ptr [ebp - 0x1c]
            //   83c104               | add                 ecx, 4
            //   894de4               | mov                 dword ptr [ebp - 0x1c], ecx
            //   8b55ac               | mov                 edx, dword ptr [ebp - 0x54]
            //   83c202               | add                 edx, 2
            //   3955e4               | cmp                 dword ptr [ebp - 0x1c], edx

        $sequence_8 = { c705????????00000100 33c0 e9???????? 0fbe05???????? 83f820 741d 8b4d08 }
            // n = 7, score = 100
            //   c705????????00000100     |     
            //   33c0                 | xor                 eax, eax
            //   e9????????           |                     
            //   0fbe05????????       |                     
            //   83f820               | cmp                 eax, 0x20
            //   741d                 | je                  0x1f
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]

        $sequence_9 = { 8d8548ffffff 50 8b4d08 51 ff15???????? 8b9544ffffff }
            // n = 6, score = 100
            //   8d8548ffffff         | lea                 eax, dword ptr [ebp - 0xb8]
            //   50                   | push                eax
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   51                   | push                ecx
            //   ff15????????         |                     
            //   8b9544ffffff         | mov                 edx, dword ptr [ebp - 0xbc]

    condition:
        7 of them and filesize < 360448
}
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