Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 04:42

General

  • Target

    8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe

  • Size

    233KB

  • MD5

    8f36707a884175fc489962aaf56e2a5f

  • SHA1

    74a2094e7beffb90408a863e9b55223698b932f8

  • SHA256

    eeccab59578ff3ee1e4e88da4edcb5765ef4380b8ca40ca8594b15e82cc7bcb2

  • SHA512

    eb47fb50ceea3717122f0fb0a11fd047ad5d315158b250442debcb0648357b079a43e484233666241c56116ad1f26b476d21935c49b2e2e8bcaa606181ec899e

  • SSDEEP

    6144:G4CFfifD2gVKVTQQ249HZ52KTh9XKOCgLJacj5/AZtRs2a:GXgr8VMQDT52WXKq9fj5/AZjw

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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 14 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 2 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.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:2216
    • 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
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2056-4-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-8-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-16-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2056-15-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-13-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-14-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-11-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-18-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-22-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-17-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-9-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2056-20-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-21-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2056-19-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2216-1-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2216-12-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2216-0-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB