Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 01:17

General

  • Target

    b9cd3297cd60bb32abe1d37a05ef0779_JaffaCakes118.exe

  • Size

    922KB

  • MD5

    b9cd3297cd60bb32abe1d37a05ef0779

  • SHA1

    c79999921c848f14a790ea2c3f812c2222596989

  • SHA256

    f50ab51897840e388714b30c6f7aeb7c417b301e6db37b0461dad0ecb70b8767

  • SHA512

    e5e82034d9a5da51bf3e08d820f5e33f5e139e19dd49ae292b06ba0d210b5c1ef7c5e163e7d48f5308c68c7c8f5de0d0f85576eb0382da980f2e97bf18091f01

  • SSDEEP

    12288:Seu+JqAw9tqlYN9vF38hfUxixGSIuIehGhl3M9JiJTUGh4i61QGGC2kDI7llnUsl:J1l8qlGFVkxsyGhMvi61rqSglVUs2A

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

mohmmedpuck.zapto.org:1604

Mutex

DC_MUTEX-GDQ66L4

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    TgTXJeSMbTnV

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

latentbot

C2

mohmmedpuck.zapto.org

Signatures

  • Darkcomet

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

  • LatentBot

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 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.

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9cd3297cd60bb32abe1d37a05ef0779_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b9cd3297cd60bb32abe1d37a05ef0779_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\b9cd3297cd60bb32abe1d37a05ef0779_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\b9cd3297cd60bb32abe1d37a05ef0779_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:2468
      • 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:3096
        • 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:2652
      • C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
        "C:\ProgramData\Microsoft\Windows\Start Menu\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:3048
        • C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
          "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
          4⤵
          • Modifies security service
          • 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 SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:348
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    922KB

    MD5

    b9cd3297cd60bb32abe1d37a05ef0779

    SHA1

    c79999921c848f14a790ea2c3f812c2222596989

    SHA256

    f50ab51897840e388714b30c6f7aeb7c417b301e6db37b0461dad0ecb70b8767

    SHA512

    e5e82034d9a5da51bf3e08d820f5e33f5e139e19dd49ae292b06ba0d210b5c1ef7c5e163e7d48f5308c68c7c8f5de0d0f85576eb0382da980f2e97bf18091f01

  • memory/348-123-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-108-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-107-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-115-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-117-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-110-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-111-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-119-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/348-121-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2076-11-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/2076-0-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB

  • memory/2076-5-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/2076-3-0x0000000002530000-0x0000000002540000-memory.dmp

    Filesize

    64KB

  • memory/2076-2-0x00000000023A0000-0x00000000023B0000-memory.dmp

    Filesize

    64KB

  • memory/2076-15-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/2076-20-0x0000000002270000-0x00000000022BE000-memory.dmp

    Filesize

    312KB

  • memory/2076-21-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/2076-19-0x0000000000400000-0x00000000004D6000-memory.dmp

    Filesize

    856KB

  • memory/2076-6-0x00000000023A0000-0x00000000023B0000-memory.dmp

    Filesize

    64KB

  • memory/2076-1-0x0000000002270000-0x00000000022BE000-memory.dmp

    Filesize

    312KB

  • memory/2076-12-0x0000000000400000-0x00000000004D6000-memory.dmp

    Filesize

    856KB

  • memory/2076-4-0x0000000077C92000-0x0000000077C93000-memory.dmp

    Filesize

    4KB

  • memory/2076-8-0x0000000000400000-0x00000000004D6000-memory.dmp

    Filesize

    856KB

  • memory/2076-9-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/2076-10-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/2076-7-0x0000000077100000-0x0000000077101000-memory.dmp

    Filesize

    4KB

  • memory/2468-22-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/2468-112-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2468-16-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2468-23-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/2468-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2468-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2468-114-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-99-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-88-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-97-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-95-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-93-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-92-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-91-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-90-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-89-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-103-0x0000000000400000-0x00000000004D6000-memory.dmp

    Filesize

    856KB

  • memory/3048-86-0x0000000000400000-0x00000000004D6000-memory.dmp

    Filesize

    856KB

  • memory/3048-85-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-104-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-105-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-84-0x0000000000400000-0x00000000004D6000-memory.dmp

    Filesize

    856KB

  • memory/3048-106-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-98-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/3048-87-0x00000000770E0000-0x00000000771D0000-memory.dmp

    Filesize

    960KB

  • memory/4360-109-0x00000000010C0000-0x00000000010C1000-memory.dmp

    Filesize

    4KB