Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 04:14

General

  • Target

    bba9bc42e2c616f5fe42a83dc440b3ae_JaffaCakes118.exe

  • Size

    298KB

  • MD5

    bba9bc42e2c616f5fe42a83dc440b3ae

  • SHA1

    29bd2e241961e4a3470776bececa728974b5f142

  • SHA256

    b2c9088dc6b52cc189efc5c4898b5d0b17673542b962c2a5e5313aae22adff45

  • SHA512

    e8be963396ab0baea74440b27f88d9d62586a7ac761639f6d71477a7d1d5264197003f7b2be8dc3cdc6100d656097f4ba92853b8f75e9a53b146ca82282de41d

  • SSDEEP

    6144:F1161OH3pmoqSDcP56APtw8OZikb/WLbbcu8csOKDCokuFnQJNpT6XgW:FJASIP5NPtw8O1b/WLbbfijOokuFJXz

Malware Config

Extracted

Family

darkcomet

Botnet

slave 7

C2

zapto666.zapto.org:111

sildelanoe2.zapto.org:111

Mutex

DC_MUTEX-AABY2SY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    dBJTCCgZ3jHq

  • install

    true

  • offline_keylogger

    false

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

latentbot

C2

sildelanoe2.zapto.org

Signatures

  • Darkcomet

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

  • Darkcomet family
  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 29 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 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bba9bc42e2c616f5fe42a83dc440b3ae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bba9bc42e2c616f5fe42a83dc440b3ae_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\bba9bc42e2c616f5fe42a83dc440b3ae_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bba9bc42e2c616f5fe42a83dc440b3ae_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4624
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\bba9bc42e2c616f5fe42a83dc440b3ae_JaffaCakes118.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1236
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\bba9bc42e2c616f5fe42a83dc440b3ae_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2116
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:220
      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
        "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3884
        • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
          "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe"
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1304
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe

    Filesize

    298KB

    MD5

    bba9bc42e2c616f5fe42a83dc440b3ae

    SHA1

    29bd2e241961e4a3470776bececa728974b5f142

    SHA256

    b2c9088dc6b52cc189efc5c4898b5d0b17673542b962c2a5e5313aae22adff45

    SHA512

    e8be963396ab0baea74440b27f88d9d62586a7ac761639f6d71477a7d1d5264197003f7b2be8dc3cdc6100d656097f4ba92853b8f75e9a53b146ca82282de41d

  • memory/220-13-0x0000000000630000-0x0000000000631000-memory.dmp

    Filesize

    4KB

  • memory/1304-65-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-62-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-60-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-74-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-61-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-73-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-71-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-70-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-53-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-66-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-67-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-56-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-69-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-64-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-68-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-54-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1304-63-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2008-7-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/2008-0-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3584-55-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/3884-52-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/4624-10-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4624-57-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4624-5-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4624-3-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4624-4-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4624-8-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4624-9-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB