Overview

overview

10

Static

static

10

7a39658c3e...ba.exe

windows7-x64

10

7a39658c3e...ba.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

  • Size

    756KB

  • Sample

    221119-le54ashh7s

  • MD5

    530c49bd38b31f7858a2ae6735defa70

  • SHA1

    56c222a587fc3c14fc64bd249da8499b9172954a

  • SHA256

    7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

  • SHA512

    6d8558e9afad76308823d8d1fd6a81beb35ef4d3b717dee5d1a4f3e629f7cafdc6eafcc3bc9a385d8e4ed5098cb4f52a664a2301f03589573f4007787ae33f2b

  • SSDEEP

    12288:K9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h0:GZ1xuVVjfFoynPaVBUR8f+kN10EBW

Score
10/10
darkcomethackerevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Hacker

C2

leave1.no-ip.biz:1604

leave1.no-ip.biz:25565
Mutex

DC_MUTEX-SF1AS3Y

Attributes
  • InstallPath

    Adobe.exe

  • gencode

    v3wr0fYZFSSx

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    explorer

Targets

    • Target

      7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

    • Size

      756KB

    • MD5

      530c49bd38b31f7858a2ae6735defa70

    • SHA1

      56c222a587fc3c14fc64bd249da8499b9172954a

    • SHA256

      7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

    • SHA512

      6d8558e9afad76308823d8d1fd6a81beb35ef4d3b717dee5d1a4f3e629f7cafdc6eafcc3bc9a385d8e4ed5098cb4f52a664a2301f03589573f4007787ae33f2b

    • SSDEEP

      12288:K9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h0:GZ1xuVVjfFoynPaVBUR8f+kN10EBW

    Score
    10/10
    darkcomethackerevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks