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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 02:23

General

  • Target

    JaffaCakes118_6213e41a15ae74c8b5f502fdca12bebf.exe

  • Size

    740KB

  • MD5

    6213e41a15ae74c8b5f502fdca12bebf

  • SHA1

    afb0a9001eb83164d36d85b1df8ffbfaa5979c2b

  • SHA256

    467133ae0674f7f6b6d5f2f4f788118b88aa1c09f3c966826b9ade5b4f2379fc

  • SHA512

    17c5a27a27a71a95db39e1b626da3c898a298bdfce54b072926a1a556800493d3e316c36b3c0f9d27a065dff16ba078ffc89dcf379ce519b4d7fc9b30be61538

  • SSDEEP

    12288:MXkXyENrDviHr24/zBKD19kyGWpeo8eLbbVRJgPg6396tGXpAbHLDwYQ9bkU4Nu:QUxrDva7BKDLkyGWpueLOuRrLK9leu

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
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

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

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6213e41a15ae74c8b5f502fdca12bebf.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6213e41a15ae74c8b5f502fdca12bebf.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Users\Admin\AppData\Local\Temp\01.exe
      C:\Users\Admin\AppData\Local\Temp\01.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Executes dropped EXE
      • 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:2764
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2720
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Modifies firewall policy service
        • Modifies security service
        • Windows security bypass
        • 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:2740
        • C:\Windows\SysWOW64\notepad.exe
          C:\Windows\SysWOW64\notepad.exe
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2632
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\01.exe

    Filesize

    691KB

    MD5

    3514c57923ef67b533aa0cb221c15b49

    SHA1

    93015c9471023ae629d9093a8e2051c3d001d1cb

    SHA256

    77d1597cb6a904832122635810cbe29451c99dfa71f6a54b81c666be9ea98d33

    SHA512

    28861b71943d0d1d80aa553f62fadacd3273951e58e5381f1c494df74ce8a5cb41422e09ffd6caad78c313279d261cc10285ef6fa2d14bbf3e85b5d976645410

  • memory/2576-70-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2720-15-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2720-45-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2740-50-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB

  • memory/2740-71-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB

  • memory/2740-72-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB

  • memory/2740-74-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB

  • memory/2740-54-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB

  • memory/2740-76-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB

  • memory/2740-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2740-119-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB

  • memory/2764-12-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2764-73-0x0000000013140000-0x00000000131FF000-memory.dmp

    Filesize

    764KB