Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2024 06:49

General

  • Target

    89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe

  • Size

    890KB

  • MD5

    89673c1d2e00671c71a2ab8037cb7da3

  • SHA1

    b13a9c7bbcd79cd38b6182da0c22a7426784f0c3

  • SHA256

    8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b

  • SHA512

    31ac5a99a22f8168e748ebf21b44b7d926381835715626d234fbe2055e1e0a5be150db94469acff357fbf6a5cbd5ce359d20256107a6fffa9c3c591af776ff68

  • SSDEEP

    12288:xTmBJtebrqexwPbp1iYXgrlh6fznP2y0+bUjCCPAbpaTu626AZq2X2QJ4N0:xq7teaexwX+lh87l9gjCZbpVfN4mp

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

smr9.no-ip.org:1604

Mutex

DC_MUTEX-NJSZLY8

Attributes
  • InstallPath

    MSDCSC\lsass.exe

  • gencode

    6xtSkc229rlk

  • install

    true

  • offline_keylogger

    false

  • password

    123456

  • persistence

    true

  • reg_key

    lsass.exe

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 4 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\MSDCSC\lsass.exe
        "C:\MSDCSC\lsass.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\MSDCSC\lsass.exe
          C:\MSDCSC\lsass.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSDCSC\lsass.exe

    Filesize

    890KB

    MD5

    89673c1d2e00671c71a2ab8037cb7da3

    SHA1

    b13a9c7bbcd79cd38b6182da0c22a7426784f0c3

    SHA256

    8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b

    SHA512

    31ac5a99a22f8168e748ebf21b44b7d926381835715626d234fbe2055e1e0a5be150db94469acff357fbf6a5cbd5ce359d20256107a6fffa9c3c591af776ff68

  • memory/1732-28-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/1980-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-7-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-31-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1980-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1980-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-0-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-29-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-11-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-30-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-2-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-4-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1980-43-0x00000000004C0000-0x0000000000527000-memory.dmp

    Filesize

    412KB

  • memory/1980-44-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2872-74-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/2916-77-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB