Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 02:51

General

  • Target

    JaffaCakes118_69c81a9e564cd5b1f43cd95d797db43c.exe

  • Size

    242KB

  • MD5

    69c81a9e564cd5b1f43cd95d797db43c

  • SHA1

    76ffdbf25c97048bc69c808bea3cf11c4e625d7e

  • SHA256

    9972eff09050a9bc8272c1588ba2b7a864b74fe4591e838cc742e28a8adccf16

  • SHA512

    5a437c23f74b293f1e1818ee456d2f9b98db0e2830343d839fd8e10a012844ed340c507067b599a2c37e89008cfcf0ff5c29f7a267ef41502031ad60a2476007

  • SSDEEP

    6144:y1iJcYtR1HsvpSHY7KoSrfTNBuzZZcA1wnOLrMM4IX:ykHcpSHY7VSrfT2/czO3HPX

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69c81a9e564cd5b1f43cd95d797db43c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69c81a9e564cd5b1f43cd95d797db43c.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2928
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2044-42-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/2044-40-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2044-87-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/2044-86-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2044-43-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2044-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2044-36-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2044-31-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2044-35-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2044-38-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2044-41-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2196-39-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2196-1-0x0000000001C20000-0x0000000001C21000-memory.dmp

    Filesize

    4KB

  • memory/2196-0-0x0000000013140000-0x00000000131FC000-memory.dmp

    Filesize

    752KB

  • memory/2928-3-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2928-28-0x0000000000400000-0x0000000000401000-memory.dmp

    Filesize

    4KB