SYMBOLCOMMON_NAMEaka. SYNONYMS
win.woolger (Back to overview)

Woolger

aka: WoolenLogger

Actor(s): Rocket Kitten


There is no description at this point.

References
2015-11Check PointCheck Point
@techreport{point:201511:rocket:2e2b21c, author = {Check Point}, title = {{ROCKET KIT TEN: A CAMPAIGN WITH 9 LIVES}}, date = {2015-11}, institution = {Check Point}, url = {https://blog.checkpoint.com/wp-content/uploads/2015/11/rocket-kitten-report.pdf}, language = {English}, urldate = {2020-01-07} } ROCKET KIT TEN: A CAMPAIGN WITH 9 LIVES
FireMalv MPKBot Woolger Cleaver Rocket Kitten
2015-03-24Trend MicroCedric Pernet, Kenney Lu
@techreport{pernet:20150324:operation:65e881c, author = {Cedric Pernet and Kenney Lu}, title = {{Operation Woolen-Goldfish: When Kittens Go Phishing}}, date = {2015-03-24}, institution = {Trend Micro}, url = {http://www.trendmicro.it/media/wp/operation-woolen-goldfish-whitepaper-en.pdf}, language = {English}, urldate = {2019-07-09} } Operation Woolen-Goldfish: When Kittens Go Phishing
Ghole Woolger
2015-03-19Trend MicroCedric Pernet, Kenney Lu
@techreport{pernet:20150319:operation:a0443b7, author = {Cedric Pernet and Kenney Lu}, title = {{Operation WOOLEN-GOLDFISH: When Kittens Go Phishing}}, date = {2015-03-19}, institution = {Trend Micro}, url = {https://documents.trendmicro.com/assets/wp/wp-operation-woolen-goldfish.pdf}, language = {English}, urldate = {2022-04-29} } Operation WOOLEN-GOLDFISH: When Kittens Go Phishing
Ghole Woolger
Yara Rules
[TLP:WHITE] win_woolger_auto (20230125 | Detects win.woolger.)
rule win_woolger_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.woolger."
        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.woolger"
        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 = { 7465 57 6a02 6a00 56 e8???????? }
            // n = 6, score = 200
            //   7465                 | je                  0x67
            //   57                   | push                edi
            //   6a02                 | push                2
            //   6a00                 | push                0
            //   56                   | push                esi
            //   e8????????           |                     

        $sequence_1 = { 50 c745ac44000000 e8???????? 83c40c 8d4df0 51 }
            // n = 6, score = 200
            //   50                   | push                eax
            //   c745ac44000000       | mov                 dword ptr [ebp - 0x54], 0x44
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8d4df0               | lea                 ecx, [ebp - 0x10]
            //   51                   | push                ecx

        $sequence_2 = { e9???????? 83f80d 750a be???????? e9???????? 83f814 }
            // n = 6, score = 200
            //   e9????????           |                     
            //   83f80d               | cmp                 eax, 0xd
            //   750a                 | jne                 0xc
            //   be????????           |                     
            //   e9????????           |                     
            //   83f814               | cmp                 eax, 0x14

        $sequence_3 = { 75de 33c0 eb05 1bc0 83d8ff 85c0 0f848e000000 }
            // n = 7, score = 200
            //   75de                 | jne                 0xffffffe0
            //   33c0                 | xor                 eax, eax
            //   eb05                 | jmp                 7
            //   1bc0                 | sbb                 eax, eax
            //   83d8ff               | sbb                 eax, -1
            //   85c0                 | test                eax, eax
            //   0f848e000000         | je                  0x94

        $sequence_4 = { 75f9 8dbdfcf8ffff 2bc1 8bf1 }
            // n = 4, score = 200
            //   75f9                 | jne                 0xfffffffb
            //   8dbdfcf8ffff         | lea                 edi, [ebp - 0x704]
            //   2bc1                 | sub                 eax, ecx
            //   8bf1                 | mov                 esi, ecx

        $sequence_5 = { 8d8dfcfdffff 51 50 ff15???????? b9???????? 8d85fcfdffff 8d9b00000000 }
            // n = 7, score = 200
            //   8d8dfcfdffff         | lea                 ecx, [ebp - 0x204]
            //   51                   | push                ecx
            //   50                   | push                eax
            //   ff15????????         |                     
            //   b9????????           |                     
            //   8d85fcfdffff         | lea                 eax, [ebp - 0x204]
            //   8d9b00000000         | lea                 ebx, [ebx]

        $sequence_6 = { 8b450c 3d00010000 740b 3d04010000 0f853b020000 56 e8???????? }
            // n = 7, score = 200
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]
            //   3d00010000           | cmp                 eax, 0x100
            //   740b                 | je                  0xd
            //   3d04010000           | cmp                 eax, 0x104
            //   0f853b020000         | jne                 0x241
            //   56                   | push                esi
            //   e8????????           |                     

        $sequence_7 = { e8???????? 5e 8b550c 8b4508 8b0d???????? 57 }
            // n = 6, score = 200
            //   e8????????           |                     
            //   5e                   | pop                 esi
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b0d????????         |                     
            //   57                   | push                edi

        $sequence_8 = { e9???????? 83f821 750a be???????? e9???????? }
            // n = 5, score = 200
            //   e9????????           |                     
            //   83f821               | cmp                 eax, 0x21
            //   750a                 | jne                 0xc
            //   be????????           |                     
            //   e9????????           |                     

        $sequence_9 = { 85c0 0f848e000000 56 57 b980000000 8db5fcfdffff bf???????? }
            // n = 7, score = 200
            //   85c0                 | test                eax, eax
            //   0f848e000000         | je                  0x94
            //   56                   | push                esi
            //   57                   | push                edi
            //   b980000000           | mov                 ecx, 0x80
            //   8db5fcfdffff         | lea                 esi, [ebp - 0x204]
            //   bf????????           |                     

    condition:
        7 of them and filesize < 196608
}
[TLP:WHITE] win_woolger_w0   (20170521 | Detects Keylogger used in Rocket Kitten APT)
/*
	Yara Rule Set
	Author: Florian Roth
	Date: 2015-09-01
	Identifier: Rocket Kitten Keylogger
*/
rule win_woolger_w0 {
	meta:
		description = "Detects Keylogger used in Rocket Kitten APT"
		author = "Florian Roth"
		reference = "https://goo.gl/SjQhlp"
		date = "2015-09-01"
		super_rule = 1
		hash1 = "1c9e519dca0468a87322bebe2a06741136de7969a4eb3efda0ab8db83f0807b4"
		hash2 = "495a15f9f30d6f6096a97c2bd8cc5edd4d78569b8d541b1d5a64169f8109bc5b"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.woolger"
        malpedia_version = "20170521"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
	strings:
		$x1 = "\\Release\\CWoolger.pdb" ascii
		$x2 = "WoolenLoger\\obj\\x86\\Release" ascii
		$x3 = "D:\\Yaser Logers\\"
		$z1 = "woolger" fullword wide
		$s1 = "oShellLink.TargetPath = \"" fullword ascii
		$s2 = "wscript.exe " fullword ascii
		$s3 = "strSTUP = WshShell.SpecialFolders(\"Startup\")" fullword ascii
		$s4 = "[CapsLock]" fullword ascii
	condition:
		/* File detection */
		(uint16(0) == 0x5a4d and filesize < 200KB and (1 of ($x*) or ($z1 and 2 of ($s*)))) or
		/* Memory detection */
		($z1 and all of ($s*)) 
}
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