Analysis

  • max time kernel
    12s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 03:22

General

  • Target

    JaffaCakes118_85bce2df61498d0626243f28202b9df9.exe

  • Size

    1.1MB

  • MD5

    85bce2df61498d0626243f28202b9df9

  • SHA1

    cdda8ae6c3901cf88ef42706c1f3ce38bf2e3679

  • SHA256

    a2cfdbda6ee309edf1c4e9d55316350a7a0a844471d9438b0892e08fc29cf453

  • SHA512

    255ef9e7e42e18a9f4bcd78958fe8e20103f779a2156fcf82820fe1041652c7ae7bea8819abd09ef4f7937beb63150930447e5dc10b9fa63fd0bf035a69dca7c

  • SSDEEP

    12288:PW/Bv17kMLTTTdfIX1y6hgpcKiaqb7MybKbeLSVNIYntkypxCJfFSzk+wDvCXP52:PkdshJMXiJo7jWy8a1VXiNhbnQ+

Malware Config

Extracted

Family

darkcomet

Botnet

ms-dos

C2

pourmoi.zapto.org:2000

pourmoi.zapto.org:200

pourmoi.zapto.org:1604

pourmoi.zapto.org:164

pourmoi.zapto.org:80

Mutex

DC_MUTEX-M5FD2QE

Attributes
  • gencode

    dS$=Gi/U7yGB

  • install

    false

  • offline_keylogger

    true

  • password

    da06101266

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85bce2df61498d0626243f28202b9df9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85bce2df61498d0626243f28202b9df9.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2668
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:1964
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:780
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

    Filesize

    62B

    MD5

    b6dfa6c37873e8bd373facec0a3e703f

    SHA1

    0c4f4fa64cb792065ac08c1c141731449feea964

    SHA256

    875f2918e329fb77b344415a6e51e6584dd24dc9ae6495ba4f187d0fa9b889ba

    SHA512

    681d36a2b8b05d1c48f037be353b8a714b265a761c793cefbfcbd4f22889875a69e5a25c2f8fe5801809b0fab2b07a4ede95cb03345fc2304fe05a4544dac3e1

  • C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

    Filesize

    50B

    MD5

    b774ae3fb1da087e1f83b4f7b2060e5a

    SHA1

    97eb9be49ac3af9c851c9e1e84e32bfd53e325a8

    SHA256

    adaf4a84b41e410b02e261cfd0fe7739d98647eab73c3badd32ac6e39f26351b

    SHA512

    f75d0f95f7306d26a12b414bfe37b97fbd37546cb3c6e403def7077329ddffb4b45d5c5f0ba0e7bb6d72851d2d691b0a85267beead42f7cbf2e8c3d45a3b4701

  • \Users\Admin\AppData\Local\Temp\svchost.exe

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/2624-0-0x0000000074201000-0x0000000074202000-memory.dmp

    Filesize

    4KB

  • memory/2624-2-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-1-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-29-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-0-0x0000000074201000-0x0000000074202000-memory.dmp

    Filesize

    4KB

  • memory/2624-29-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-1-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-2-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-48-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-9-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-25-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2652-21-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-19-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-17-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-13-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-12-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-16-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-51-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-49-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-50-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-30-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-53-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-54-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-27-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-10-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-55-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-28-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-10-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-27-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-9-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-30-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-28-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-25-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2652-21-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-19-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-17-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-13-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-12-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-16-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-51-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-49-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-50-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-48-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-53-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-54-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2652-55-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB