Overview

overview

10

Static

static

10

5e8965f529...be.exe

windows7-x64

10

5e8965f529...be.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    193s
  • max time network
    236s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:44

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General

  • Target

    5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe

  • Size

    1.6MB

  • MD5

    2e241fbbbea811d82309f826a9485152

  • SHA1

    8a2609de8f2257ae1cd5e37e2a9eda159a91e68c

  • SHA256

    5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe

  • SHA512

    2039e8eb49c2bb9f0887f499c13a189169bfe940a64c689befbb8d8e1e9cd5541fa1a2940a1af917d461c6d221f163120df0aa7222519126957db2ac91afb740

  • SSDEEP

    24576:tZ1xuVVjfFoynPaVBUR8f+kN10EBpCf250pIqO2Kl5nldl:3QDgok30LhRO2Kljdl

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

easypeasy123.ddns.net :1604

Mutex

DC_MUTEX-HNQBNRG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    eFXJN2rajLLJ

  • install

    true

  • offline_keylogger

    true

  • password

    gomas123

  • 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
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
    "C:\Users\Admin\AppData\Local\Temp\5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4212
    • C:\Users\Admin\AppData\Local\Temp\CHROME.EXE
      "C:\Users\Admin\AppData\Local\Temp\CHROME.EXE"
      2⤵
      • Executes dropped EXE
      PID:3144
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3292
      • C:\Users\Admin\AppData\Local\Temp\CHROME.EXE
        "C:\Users\Admin\AppData\Local\Temp\CHROME.EXE"
        3⤵
        • Executes dropped EXE
        PID:3756

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CHROME.EXE
    Filesize

    832KB

    MD5

    ac08a03d7e579e2903925736e7ab48f2

    SHA1

    572c2c0d0e2343617cd6faa9f97b8a12acffa3f1

    SHA256

    b4350dfb5bf153d60c38835fd0d4a13a993b5fcede04f98750396edf0070b3fe

    SHA512

    9be294f8a80acfd40db3575f958358e6c5adbcdd6bafed75cb9c5f57c4c516c61ce812e7cd11c71f350bcfa4f60441e0f0fba3cb1cca1736b541967df28fede7

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\CHROME.EXE
    Filesize

    832KB

    MD5

    ac08a03d7e579e2903925736e7ab48f2

    SHA1

    572c2c0d0e2343617cd6faa9f97b8a12acffa3f1

    SHA256

    b4350dfb5bf153d60c38835fd0d4a13a993b5fcede04f98750396edf0070b3fe

    SHA512

    9be294f8a80acfd40db3575f958358e6c5adbcdd6bafed75cb9c5f57c4c516c61ce812e7cd11c71f350bcfa4f60441e0f0fba3cb1cca1736b541967df28fede7

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\CHROME.EXE
    Filesize

    832KB

    MD5

    ac08a03d7e579e2903925736e7ab48f2

    SHA1

    572c2c0d0e2343617cd6faa9f97b8a12acffa3f1

    SHA256

    b4350dfb5bf153d60c38835fd0d4a13a993b5fcede04f98750396edf0070b3fe

    SHA512

    9be294f8a80acfd40db3575f958358e6c5adbcdd6bafed75cb9c5f57c4c516c61ce812e7cd11c71f350bcfa4f60441e0f0fba3cb1cca1736b541967df28fede7

    Download Submit
  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    1.6MB

    MD5

    2e241fbbbea811d82309f826a9485152

    SHA1

    8a2609de8f2257ae1cd5e37e2a9eda159a91e68c

    SHA256

    5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe

    SHA512

    2039e8eb49c2bb9f0887f499c13a189169bfe940a64c689befbb8d8e1e9cd5541fa1a2940a1af917d461c6d221f163120df0aa7222519126957db2ac91afb740

    Download Submit
  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    1.6MB

    MD5

    2e241fbbbea811d82309f826a9485152

    SHA1

    8a2609de8f2257ae1cd5e37e2a9eda159a91e68c

    SHA256

    5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe

    SHA512

    2039e8eb49c2bb9f0887f499c13a189169bfe940a64c689befbb8d8e1e9cd5541fa1a2940a1af917d461c6d221f163120df0aa7222519126957db2ac91afb740

    Download Submit
  • memory/3292-133-0x0000000000000000-mapping.dmp
    Download