Overview

overview

10

Static

static

01c66de38b...26.exe

windows7-x64

10

01c66de38b...26.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    01c66de38b338395e4ebbd8f79444172c4481e59d487e69b5bce862513f5d426

  • Size

    3.1MB

  • Sample

    221123-y8sraafc3w

  • MD5

    75096253075bc97cd02e5366d5a900f1

  • SHA1

    42391942a79e1ee53c79374318628be8a9ef223e

  • SHA256

    01c66de38b338395e4ebbd8f79444172c4481e59d487e69b5bce862513f5d426

  • SHA512

    79bf8c2ef98215e03ecf62f0df9e7a6c9c49e2911bf7a73bcd106655af2cdd0cc3044b51bd7b0a8a0165dacd219ef665a292683041eac44fe6470a20aed7e2bf

  • SSDEEP

    49152:JnGJphpAPfrFGG5ibvc/WSyXPz4JIaWTnMByU2okoc/5IesQIWhnI7NPJnc:JnGJfIfH5ic/LJyTnoA/5IS/S8

Score
10/10
darkcometbotfo3persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

bot

C2

beverkiss.duia.ro:87

Mutex

DC_MUTEX-XVKLWPB

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    psfz2bEuE68Q

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Extracted

Family

darkcomet

Botnet

fo3

C2

camfrogbot.ntdll.net:447

Mutex

DC_MUTEX-54E3DUD

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    KWHTBFC3LTQz

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      01c66de38b338395e4ebbd8f79444172c4481e59d487e69b5bce862513f5d426

    • Size

      3.1MB

    • MD5

      75096253075bc97cd02e5366d5a900f1

    • SHA1

      42391942a79e1ee53c79374318628be8a9ef223e

    • SHA256

      01c66de38b338395e4ebbd8f79444172c4481e59d487e69b5bce862513f5d426

    • SHA512

      79bf8c2ef98215e03ecf62f0df9e7a6c9c49e2911bf7a73bcd106655af2cdd0cc3044b51bd7b0a8a0165dacd219ef665a292683041eac44fe6470a20aed7e2bf

    • SSDEEP

      49152:JnGJphpAPfrFGG5ibvc/WSyXPz4JIaWTnMByU2okoc/5IesQIWhnI7NPJnc:JnGJfIfH5ic/LJyTnoA/5IS/S8

    Score
    10/10
    darkcometbotfo3persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks