Analysis

  • max time kernel
    150s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2025, 19:00

General

  • Target

    JaffaCakes118_1b9d7f04abc6a3992f08a4c62ed944b3.exe

  • Size

    724KB

  • MD5

    1b9d7f04abc6a3992f08a4c62ed944b3

  • SHA1

    4aa6645f26ebd195583f37fb13fe618554eb70d6

  • SHA256

    dadfa0bfe4c53fae9768297c502304de283e561d7effcabb120804a9b50c1549

  • SHA512

    48417d024c591663b5dd10dcfeabf16325c74a43dd604d99f20ea8f128072661b47e4883133c6618a6865fef68760557a5772ef925c331457c94bd0e4eefdec3

  • SSDEEP

    12288:XIKdPItymJ78JYSAEzeOhpiqqFf609uQbSflqjZN7NfXFffa2KqSkTJD:XIePqNgze210EQbSsf91flHD

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Crypter1

C2

127.0.0.1:95

Mutex

DC_MUTEX-LN9GR17

Attributes
  • gencode

    vWsjmZp2wpBg

  • install

    false

  • offline_keylogger

    true

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9d7f04abc6a3992f08a4c62ed944b3.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9d7f04abc6a3992f08a4c62ed944b3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9d7f04abc6a3992f08a4c62ed944b3.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9d7f04abc6a3992f08a4c62ed944b3.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9d7f04abc6a3992f08a4c62ed944b3.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2960
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b9d7f04abc6a3992f08a4c62ed944b3.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2672
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2812
        • 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:2688
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2880-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-59-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-6-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-10-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-14-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-12-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-16-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-8-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-4-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-2-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-0-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-50-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-65-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-64-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-48-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-51-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-55-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-58-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-49-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2880-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3048-22-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/3048-47-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB