Overview

overview

10

Static

static

10

e1f217b1bb...b9.exe

windows7_x64

10

e1f217b1bb...b9.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    e1f217b1bbd2e69f5234c04c4d4d76e6738faeff250b5dd97ff2700ec190a5b9

  • Size

    690KB

  • Sample

    220525-bg4m5shefj

  • MD5

    d7f711538e044b1db71efad106ed6659

  • SHA1

    c048b33b8e497a9bbc6df0a59080ae1b3ae7d2e7

  • SHA256

    e1f217b1bbd2e69f5234c04c4d4d76e6738faeff250b5dd97ff2700ec190a5b9

  • SHA512

    9167e182fbb50578ef2f3337274a2340d86977fe400e00920e21cc002a117a18362d1d65c98a512b67178b53a1e8a128bed04ac15dd99108fb69ecbc5cf3ccf3

Score
10/10
darkcometallevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

All

C2

:1604

Mutex

DC_MUTEX-APF4CUU

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    fmb76uQCmiRB

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      e1f217b1bbd2e69f5234c04c4d4d76e6738faeff250b5dd97ff2700ec190a5b9

    • Size

      690KB

    • MD5

      d7f711538e044b1db71efad106ed6659

    • SHA1

      c048b33b8e497a9bbc6df0a59080ae1b3ae7d2e7

    • SHA256

      e1f217b1bbd2e69f5234c04c4d4d76e6738faeff250b5dd97ff2700ec190a5b9

    • SHA512

      9167e182fbb50578ef2f3337274a2340d86977fe400e00920e21cc002a117a18362d1d65c98a512b67178b53a1e8a128bed04ac15dd99108fb69ecbc5cf3ccf3

    Score
    10/10
    darkcometallevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
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