Overview

overview

10

Static

static

10

6aa1714aa9...90.exe

windows7-x64

10

6aa1714aa9...90.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    6aa1714aa9ab2d0cefb5f8ee9dfa78850fd3dbe32ac9d7b8db0ab0cfaf687a90

  • Size

    283KB

  • Sample

    220725-ajg2gsfabl

  • MD5

    ebf9b9aa46566390172fc9929cd2fc14

  • SHA1

    0673fbd0e76b828cae642eee449a7cb3745ca250

  • SHA256

    6aa1714aa9ab2d0cefb5f8ee9dfa78850fd3dbe32ac9d7b8db0ab0cfaf687a90

  • SHA512

    5c5d6d7b1b4044a8fac3ce1a7b11b066743b4f681050f6965cbb0cb58b9fff183538b172a82f6c7daa1b7ac4f98059b564d4461f5a173544af17cab3fb182fa5

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

sms4kaka.hopto.org:5555

Mutex

DC_MUTEX-592DL0X

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    MuNYS9T6SHPe

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      6aa1714aa9ab2d0cefb5f8ee9dfa78850fd3dbe32ac9d7b8db0ab0cfaf687a90

    • Size

      283KB

    • MD5

      ebf9b9aa46566390172fc9929cd2fc14

    • SHA1

      0673fbd0e76b828cae642eee449a7cb3745ca250

    • SHA256

      6aa1714aa9ab2d0cefb5f8ee9dfa78850fd3dbe32ac9d7b8db0ab0cfaf687a90

    • SHA512

      5c5d6d7b1b4044a8fac3ce1a7b11b066743b4f681050f6965cbb0cb58b9fff183538b172a82f6c7daa1b7ac4f98059b564d4461f5a173544af17cab3fb182fa5

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • 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

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

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

      upx

    • 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

3
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