SYMBOLCOMMON_NAMEaka. SYNONYMS
win.killdisk (Back to overview)

KillDisk

Actor(s): Lazarus Group, Sandworm, TeleBots


There is no description at this point.

References
2020SecureworksSecureWorks
@online{secureworks:2020:iron:3c939bc, author = {SecureWorks}, title = {{IRON VIKING}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/iron-viking}, language = {English}, urldate = {2020-05-23} } IRON VIKING
BlackEnergy EternalPetya GreyEnergy Industroyer KillDisk TeleBot TeleDoor
2018-04-03ESET ResearchPeter Kálnai, Anton Cherepanov
@online{klnai:20180403:lazarus:14ff18c, author = {Peter Kálnai and Anton Cherepanov}, title = {{Lazarus KillDisks Central American casino}}, date = {2018-04-03}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2018/04/03/lazarus-killdisk-central-american-casino/}, language = {English}, urldate = {2019-11-14} } Lazarus KillDisks Central American casino
KillDisk Lazarus Group
2018-01-15Trend MicroGilbert Sison, Rheniel Ramos, Jay Yaneza, Alfredo Oliveira
@online{sison:20180115:new:15ece8f, author = {Gilbert Sison and Rheniel Ramos and Jay Yaneza and Alfredo Oliveira}, title = {{New KillDisk Variant Hits Financial Organizations in Latin America}}, date = {2018-01-15}, organization = {Trend Micro}, url = {https://blog.trendmicro.com/trendlabs-security-intelligence/new-killdisk-variant-hits-financial-organizations-in-latin-america/}, language = {English}, urldate = {2020-01-06} } New KillDisk Variant Hits Financial Organizations in Latin America
KillDisk Lazarus Group
2016-12-13ESET ResearchAnton Cherepanov
@online{cherepanov:20161213:rise:d6ee3c1, author = {Anton Cherepanov}, title = {{The rise of TeleBots: Analyzing disruptive KillDisk attacks}}, date = {2016-12-13}, organization = {ESET Research}, url = {http://www.welivesecurity.com/2016/12/13/rise-telebots-analyzing-disruptive-killdisk-attacks/}, language = {English}, urldate = {2019-12-20} } The rise of TeleBots: Analyzing disruptive KillDisk attacks
Credraptor KillDisk TeleBot TeleBots
Yara Rules
[TLP:WHITE] win_killdisk_auto (20201014 | autogenerated rule brought to you by yara-signator)
rule win_killdisk_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-10-14"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.5.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.killdisk"
        malpedia_rule_date = "20201014"
        malpedia_hash = "a7e3bd57eaf12bf3ea29a863c041091ba3af9ac9"
        malpedia_version = "20201014"
        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 = { 394c2440 7304 8d44242c 8b54243c 881c10 394c2440 }
            // n = 6, score = 100
            //   394c2440             | cmp                 dword ptr [esp + 0x40], ecx
            //   7304                 | jae                 6
            //   8d44242c             | lea                 eax, [esp + 0x2c]
            //   8b54243c             | mov                 edx, dword ptr [esp + 0x3c]
            //   881c10               | mov                 byte ptr [eax + edx], bl
            //   394c2440             | cmp                 dword ptr [esp + 0x40], ecx

        $sequence_1 = { f6d0 e9???????? 46 60 9c 9c 8d642428 }
            // n = 7, score = 100
            //   f6d0                 | not                 al
            //   e9????????           |                     
            //   46                   | inc                 esi
            //   60                   | pushal              
            //   9c                   | pushfd              
            //   9c                   | pushfd              
            //   8d642428             | lea                 esp, [esp + 0x28]

        $sequence_2 = { e9???????? 60 66f7f1 56 }
            // n = 4, score = 100
            //   e9????????           |                     
            //   60                   | pushal              
            //   66f7f1               | div                 cx
            //   56                   | push                esi

        $sequence_3 = { 8f442420 ff3424 660fb6f3 5e e8???????? 66ffc6 e8???????? }
            // n = 7, score = 100
            //   8f442420             | pop                 dword ptr [esp + 0x20]
            //   ff3424               | push                dword ptr [esp]
            //   660fb6f3             | movzx               si, bl
            //   5e                   | pop                 esi
            //   e8????????           |                     
            //   66ffc6               | inc                 si
            //   e8????????           |                     

        $sequence_4 = { 83c408 8bcf 8bc3 668b10 663b11 751e }
            // n = 6, score = 100
            //   83c408               | add                 esp, 8
            //   8bcf                 | mov                 ecx, edi
            //   8bc3                 | mov                 eax, ebx
            //   668b10               | mov                 dx, word ptr [eax]
            //   663b11               | cmp                 dx, word ptr [ecx]
            //   751e                 | jne                 0x20

        $sequence_5 = { 50 8d642434 e9???????? 660fbcc3 660fa5e0 8b4500 }
            // n = 6, score = 100
            //   50                   | push                eax
            //   8d642434             | lea                 esp, [esp + 0x34]
            //   e9????????           |                     
            //   660fbcc3             | bsf                 ax, bx
            //   660fa5e0             | shld                ax, sp, cl
            //   8b4500               | mov                 eax, dword ptr [ebp]

        $sequence_6 = { 9c 8f442408 660fcf 87742404 87fe e8???????? }
            // n = 6, score = 100
            //   9c                   | pushfd              
            //   8f442408             | pop                 dword ptr [esp + 8]
            //   660fcf               | bswap               di
            //   87742404             | xchg                dword ptr [esp + 4], esi
            //   87fe                 | xchg                esi, edi
            //   e8????????           |                     

        $sequence_7 = { 57 e8???????? 8b44240c 83c404 898710040000 }
            // n = 5, score = 100
            //   57                   | push                edi
            //   e8????????           |                     
            //   8b44240c             | mov                 eax, dword ptr [esp + 0xc]
            //   83c404               | add                 esp, 4
            //   898710040000         | mov                 dword ptr [edi + 0x410], eax

        $sequence_8 = { 60 896c2434 e8???????? 8b4500 60 }
            // n = 5, score = 100
            //   60                   | pushal              
            //   896c2434             | mov                 dword ptr [esp + 0x34], ebp
            //   e8????????           |                     
            //   8b4500               | mov                 eax, dword ptr [ebp]
            //   60                   | pushal              

        $sequence_9 = { 83ff05 7ca3 6804010000 8d842434010000 50 ff15???????? 668b0d???????? }
            // n = 7, score = 100
            //   83ff05               | cmp                 edi, 5
            //   7ca3                 | jl                  0xffffffa5
            //   6804010000           | push                0x104
            //   8d842434010000       | lea                 eax, [esp + 0x134]
            //   50                   | push                eax
            //   ff15????????         |                     
            //   668b0d????????       |                     

        $sequence_10 = { c3 85f6 74f6 8bfe e8???????? 8b4314 33ed }
            // n = 7, score = 100
            //   c3                   | ret                 
            //   85f6                 | test                esi, esi
            //   74f6                 | je                  0xfffffff8
            //   8bfe                 | mov                 edi, esi
            //   e8????????           |                     
            //   8b4314               | mov                 eax, dword ptr [ebx + 0x14]
            //   33ed                 | xor                 ebp, ebp

        $sequence_11 = { 66c78424640200005c00 66c78424680200002e00 8984246c020000 89842470020000 89842474020000 }
            // n = 5, score = 100
            //   66c78424640200005c00     | mov    word ptr [esp + 0x264], 0x5c
            //   66c78424680200002e00     | mov    word ptr [esp + 0x268], 0x2e
            //   8984246c020000       | mov                 dword ptr [esp + 0x26c], eax
            //   89842470020000       | mov                 dword ptr [esp + 0x270], eax
            //   89842474020000       | mov                 dword ptr [esp + 0x274], eax

        $sequence_12 = { 0fa4c109 8d95c0fdffff c1e009 52 50 }
            // n = 5, score = 100
            //   0fa4c109             | shld                ecx, eax, 9
            //   8d95c0fdffff         | lea                 edx, [ebp - 0x240]
            //   c1e009               | shl                 eax, 9
            //   52                   | push                edx
            //   50                   | push                eax

        $sequence_13 = { 8d3c85c00f4100 8b07 c1e606 8a4c3004 f6c101 }
            // n = 5, score = 100
            //   8d3c85c00f4100       | lea                 edi, [eax*4 + 0x410fc0]
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   c1e606               | shl                 esi, 6
            //   8a4c3004             | mov                 cl, byte ptr [eax + esi + 4]
            //   f6c101               | test                cl, 1

        $sequence_14 = { 7316 8bce 8906 83c104 890d???????? }
            // n = 5, score = 100
            //   7316                 | jae                 0x18
            //   8bce                 | mov                 ecx, esi
            //   8906                 | mov                 dword ptr [esi], eax
            //   83c104               | add                 ecx, 4
            //   890d????????         |                     

        $sequence_15 = { 84c9 75f9 2bc2 3bf0 72d3 8d542444 }
            // n = 6, score = 100
            //   84c9                 | test                cl, cl
            //   75f9                 | jne                 0xfffffffb
            //   2bc2                 | sub                 eax, edx
            //   3bf0                 | cmp                 esi, eax
            //   72d3                 | jb                  0xffffffd5
            //   8d542444             | lea                 edx, [esp + 0x44]

        $sequence_16 = { 7353 8bc1 c1f805 8bf1 83e61f 8d3c85c00f4100 8b07 }
            // n = 7, score = 100
            //   7353                 | jae                 0x55
            //   8bc1                 | mov                 eax, ecx
            //   c1f805               | sar                 eax, 5
            //   8bf1                 | mov                 esi, ecx
            //   83e61f               | and                 esi, 0x1f
            //   8d3c85c00f4100       | lea                 edi, [eax*4 + 0x410fc0]
            //   8b07                 | mov                 eax, dword ptr [edi]

        $sequence_17 = { 0f87cb090000 ff2485cd404000 838de8fdffffff 89b594fdffff }
            // n = 4, score = 100
            //   0f87cb090000         | ja                  0x9d1
            //   ff2485cd404000       | jmp                 dword ptr [eax*4 + 0x4040cd]
            //   838de8fdffffff       | or                  dword ptr [ebp - 0x218], 0xffffffff
            //   89b594fdffff         | mov                 dword ptr [ebp - 0x26c], esi

        $sequence_18 = { 83c404 85ff 7485 681c040000 6a00 }
            // n = 5, score = 100
            //   83c404               | add                 esp, 4
            //   85ff                 | test                edi, edi
            //   7485                 | je                  0xffffff87
            //   681c040000           | push                0x41c
            //   6a00                 | push                0

        $sequence_19 = { 51 e8???????? 8d942478050000 52 8d84246c010000 }
            // n = 5, score = 100
            //   51                   | push                ecx
            //   e8????????           |                     
            //   8d942478050000       | lea                 edx, [esp + 0x578]
            //   52                   | push                edx
            //   8d84246c010000       | lea                 eax, [esp + 0x16c]

        $sequence_20 = { 66897c240c 882c24 c64424044f 8d642454 e9???????? 880424 8774242c }
            // n = 7, score = 100
            //   66897c240c           | mov                 word ptr [esp + 0xc], di
            //   882c24               | mov                 byte ptr [esp], ch
            //   c64424044f           | mov                 byte ptr [esp + 4], 0x4f
            //   8d642454             | lea                 esp, [esp + 0x54]
            //   e9????????           |                     
            //   880424               | mov                 byte ptr [esp], al
            //   8774242c             | xchg                dword ptr [esp + 0x2c], esi

        $sequence_21 = { e8???????? e8???????? ff742424 8f4500 9c ff742404 }
            // n = 6, score = 100
            //   e8????????           |                     
            //   e8????????           |                     
            //   ff742424             | push                dword ptr [esp + 0x24]
            //   8f4500               | pop                 dword ptr [ebp]
            //   9c                   | pushfd              
            //   ff742404             | push                dword ptr [esp + 4]

        $sequence_22 = { 50 8d8c245c010000 51 8d942468020000 }
            // n = 4, score = 100
            //   50                   | push                eax
            //   8d8c245c010000       | lea                 ecx, [esp + 0x15c]
            //   51                   | push                ecx
            //   8d942468020000       | lea                 edx, [esp + 0x268]

        $sequence_23 = { 83c404 83fe10 7cef 68???????? 68e08fc201 e8???????? 8bf0 }
            // n = 7, score = 100
            //   83c404               | add                 esp, 4
            //   83fe10               | cmp                 esi, 0x10
            //   7cef                 | jl                  0xfffffff1
            //   68????????           |                     
            //   68e08fc201           | push                0x1c28fe0
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax

    condition:
        7 of them and filesize < 10817536
}
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