Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-11-2024 03:11

General

  • Target

    895bb30a635f3b57093642acf5bc2f26_JaffaCakes118.exe

  • Size

    865KB

  • MD5

    895bb30a635f3b57093642acf5bc2f26

  • SHA1

    4aa3126189399ac9216684d88fb773a810017361

  • SHA256

    bc1dc8e1e1667b423062536d80a65d77ffedce8f073e83c234701f36fb6eb776

  • SHA512

    f5b210f8c383fc4cd9daf79f7ef74e52ee34db6dbc41866f50dfce2ff33131886ba439e0c4995b0e49b869befff7ac73aea0cbe533d188987994953a76ec115c

  • SSDEEP

    12288:A9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKfZZ6eAAUMbU4LTRA17H:mAQ6Zx9cxTmOrucTIEFSpOGQwePUMI17

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
  • Disables RegEdit via registry modification 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 6 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 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 use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\895bb30a635f3b57093642acf5bc2f26_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\895bb30a635f3b57093642acf5bc2f26_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • 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:2460
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2652
    • C:\Users\Admin\AppData\Local\Temp\TUNEUP UTILITIES 2011 (KEYGEN)_BY KANDIOTI.EXE
      "C:\Users\Admin\AppData\Local\Temp\TUNEUP UTILITIES 2011 (KEYGEN)_BY KANDIOTI.EXE"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2788
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Checks BIOS information in registry
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2864
      • C:\Users\Admin\AppData\Local\Temp\TUNEUP UTILITIES 2011 (KEYGEN)_BY KANDIOTI.EXE
        "C:\Users\Admin\AppData\Local\Temp\TUNEUP UTILITIES 2011 (KEYGEN)_BY KANDIOTI.EXE"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\system32\winlogon.exe

    Filesize

    865KB

    MD5

    895bb30a635f3b57093642acf5bc2f26

    SHA1

    4aa3126189399ac9216684d88fb773a810017361

    SHA256

    bc1dc8e1e1667b423062536d80a65d77ffedce8f073e83c234701f36fb6eb776

    SHA512

    f5b210f8c383fc4cd9daf79f7ef74e52ee34db6dbc41866f50dfce2ff33131886ba439e0c4995b0e49b869befff7ac73aea0cbe533d188987994953a76ec115c

  • \Users\Admin\AppData\Local\Temp\TUNEUP UTILITIES 2011 (KEYGEN)_BY KANDIOTI.EXE

    Filesize

    205KB

    MD5

    940df0fd86a509f71cdf5b894066d309

    SHA1

    62c591739a7cdab18ead17c4ab94f4ddd817c1fa

    SHA256

    9be0b2c4279bb5f7a698da4cde7e10b7d6d4a5b7cef78ed779729c1877990ee4

    SHA512

    cb1f5da1286e6beb298981b1e3473969a688d85f9d295ba2f3fd65a92614dafb20138e66932801737ea6311daa50ff9a87a68d3a481adf2135589fbc0ccc6de8

  • memory/2408-101-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2408-94-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2460-47-0x0000000013140000-0x000000001322A000-memory.dmp

    Filesize

    936KB

  • memory/2460-0-0x0000000000400000-0x0000000000401000-memory.dmp

    Filesize

    4KB

  • memory/2460-38-0x0000000003680000-0x0000000003719000-memory.dmp

    Filesize

    612KB

  • memory/2652-29-0x0000000000210000-0x0000000000211000-memory.dmp

    Filesize

    4KB

  • memory/2652-2-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2788-41-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2788-98-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/3008-48-0x0000000013140000-0x000000001322A000-memory.dmp

    Filesize

    936KB

  • memory/3008-49-0x0000000013140000-0x000000001322A000-memory.dmp

    Filesize

    936KB

  • memory/3008-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3008-50-0x0000000013140000-0x000000001322A000-memory.dmp

    Filesize

    936KB

  • memory/3008-93-0x0000000003590000-0x0000000003629000-memory.dmp

    Filesize

    612KB

  • memory/3008-46-0x0000000013140000-0x000000001322A000-memory.dmp

    Filesize

    936KB

  • memory/3008-99-0x0000000013140000-0x000000001322A000-memory.dmp

    Filesize

    936KB

  • memory/3008-100-0x0000000003590000-0x0000000003629000-memory.dmp

    Filesize

    612KB

  • memory/3008-42-0x0000000013140000-0x000000001322A000-memory.dmp

    Filesize

    936KB