Overview

overview

10

Static

static

3

be37ae1be7...04.exe

windows7-x64

10

be37ae1be7...04.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    be37ae1be7e42ba172b42dca3cfdfa04

  • Size

    412KB

  • Sample

    240310-k4as1shb36

  • MD5

    be37ae1be7e42ba172b42dca3cfdfa04

  • SHA1

    7edfb2f6b681b966bcb3669a2bb3f6a164208c4f

  • SHA256

    efa0aba4eed3c37dbb6ca543bf5915719f4353bdb58499e2863dbef8a0acfd41

  • SHA512

    dfbc45f550d9117965d1e4869bd16c713a2f62d283ae6db533380f1600bdd12f22a2d9ab64ac2f00a0c8d4a6991ec3d8e8b74eace419a71d4996f474354cdbdb

  • SSDEEP

    6144:YCKLOKgJU6XvB442eo4+Kn8o2mT8dMPcLO9Q+sBpeA:YwK5XOV2YkqABX

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:81

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    0S2UNwiZrvBq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      be37ae1be7e42ba172b42dca3cfdfa04

    • Size

      412KB

    • MD5

      be37ae1be7e42ba172b42dca3cfdfa04

    • SHA1

      7edfb2f6b681b966bcb3669a2bb3f6a164208c4f

    • SHA256

      efa0aba4eed3c37dbb6ca543bf5915719f4353bdb58499e2863dbef8a0acfd41

    • SHA512

      dfbc45f550d9117965d1e4869bd16c713a2f62d283ae6db533380f1600bdd12f22a2d9ab64ac2f00a0c8d4a6991ec3d8e8b74eace419a71d4996f474354cdbdb

    • SSDEEP

      6144:YCKLOKgJU6XvB442eo4+Kn8o2mT8dMPcLO9Q+sBpeA:YwK5XOV2YkqABX

    Score
    10/10
    darkcometguest16rattrojanupxpersistence

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

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

Resource Development

Reconnaissance

Tasks