Overview

overview

10

Static

static

3

6c0287b0e0...18.exe

windows7-x64

10

6c0287b0e0...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 21:44

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General

  • Target

    6c0287b0e0827d097583f2261cd7f23d_JaffaCakes118.exe

  • Size

    472KB

  • MD5

    6c0287b0e0827d097583f2261cd7f23d

  • SHA1

    aba643070386309060baeaf7eb0294cb50d29eb0

  • SHA256

    c58430b7d6e6b7dcd1b74e45818df6b9785a4f3cc2abe65c460ce9f7ed74e764

  • SHA512

    88781e78f432a60dd28a466312d62c6c747631bcb53d10a58c7d78e7fa3c2f8188494fc82b2f57ee003c1a4dbd4a04b4c8e20c0f9a05d37d401bb5e6eae0e89f

  • SSDEEP

    6144:WVo86RqxH0ie2C575ao4X1wqFRKpYJuohYzDO2nkxQ3o3C0ebpzgp9+JjPHCho1P:TCx7gIdXjRIYdSqPwRpM+ZPF12kLs9a

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-05WCQNN

Attributes
  • InstallPath

    MSDCSC\micromouse.exe

  • gencode

    a8QEMZXpTTLq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 3 TTPs 3 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c0287b0e0827d097583f2261cd7f23d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6c0287b0e0827d097583f2261cd7f23d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Download CheatEngine.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Download CheatEngine.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Users\Admin\Documents\MSDCSC\micromouse.exe
        "C:\Users\Admin\Documents\MSDCSC\micromouse.exe"
        3⤵
        • Modifies firewall policy service
        • Modifies security service
        • Windows security bypass
        • Executes dropped EXE
        • Windows security modification
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Download CheatEngine.exe
    Filesize

    659KB

    MD5

    6623a9856c9bca3b7c2de649aabae0de

    SHA1

    24b5cd4bfa68b6fc0fda42888e4921886fd5487b

    SHA256

    9853644ac52e6462df0e226e9220023fcd439f05a0a57cb9d1a490bc3723e10c

    SHA512

    f31a3f048288e5d945b9cd60acc1a6a62e95ffa1912f01185078ebedbcec08ffeea40fbee74f8dd3122f665fbbf9ba2799378484ae8cb4b642d68c45ddda5b6c

    Download Submit

  • memory/432-74-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

    Download

  • memory/4424-12-0x0000000002380000-0x0000000002381000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4424-73-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

    Download