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Overview

overview

10

Static

static

10

5f1dfda34a...34.exe

windows7-x64

10

5f1dfda34a...34.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 14:52

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General

  • Target

    5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634.exe

  • Size

    907KB

  • MD5

    19e3e6a3c55a4a9183ced01c7ea1272a

  • SHA1

    640eb2c5848755aea9095a84a61a24736482a63d

  • SHA256

    5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634

  • SHA512

    0ac2a3da3d94b2cd159dd2c7de58fab903203ec740d8e36da9886422af3f52f0c63f7fd7563e71fec788c9801e2f27234f5e3eb639db88957e692c42e10f320d

  • SSDEEP

    24576:+AEENIq8XwyVPQclDq/+WnpsSjJCYkkX5zA:+AEsw722Wn1JlFA

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Windows security bypass 2 TTPs 1 IoCs
    evasiontrojan
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 1 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). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634.exe
    "C:\Users\Admin\AppData\Local\Temp\5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:704
    • C:\Users\Admin\AppData\Local\Temp\Windupdt\Windows Image Viewer.exe
      "C:\Users\Admin\AppData\Local\Temp\Windupdt\Windows Image Viewer.exe"
      2⤵
      • Windows security bypass
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Windows security modification
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2296

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Windupdt\Windows Image Viewer.exe
    Filesize

    907KB

    MD5

    19e3e6a3c55a4a9183ced01c7ea1272a

    SHA1

    640eb2c5848755aea9095a84a61a24736482a63d

    SHA256

    5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634

    SHA512

    0ac2a3da3d94b2cd159dd2c7de58fab903203ec740d8e36da9886422af3f52f0c63f7fd7563e71fec788c9801e2f27234f5e3eb639db88957e692c42e10f320d

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  • C:\Users\Admin\AppData\Local\Temp\Windupdt\Windows Image Viewer.exe
    Filesize

    907KB

    MD5

    19e3e6a3c55a4a9183ced01c7ea1272a

    SHA1

    640eb2c5848755aea9095a84a61a24736482a63d

    SHA256

    5f1dfda34adabcfc7b2bc44a252549175e50bde499b4d3e4024170df1d59b634

    SHA512

    0ac2a3da3d94b2cd159dd2c7de58fab903203ec740d8e36da9886422af3f52f0c63f7fd7563e71fec788c9801e2f27234f5e3eb639db88957e692c42e10f320d

    Download Submit