Overview

overview

10

Static

static

e5819c178a...f7.exe

windows7-x64

10

e5819c178a...f7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e5819c178a44094659c738f7539bf4c77bd014f483c12df71f96f3673b87fbf7

  • Size

    477KB

  • Sample

    221202-ej3qeabf63

  • MD5

    b10dcc9d6268544ceb11a647a8c04bf4

  • SHA1

    b50f562b5523fe5f975cbb8bf5c4a2e911a4455a

  • SHA256

    e5819c178a44094659c738f7539bf4c77bd014f483c12df71f96f3673b87fbf7

  • SHA512

    75e46c856d7550a06c306d13e01111b30dd7c34b245c9d7038d729f3d307a2c3bb210a8c8ab3ea6c2aabd80511c0accd1ce90383ca72ca32b129bbd84fc8e684

  • SSDEEP

    12288:lK2mhAMJ/cPlj1kfgjdkA2Z/rNuak4mpiRZwvUAYaSqNx/LF/1:k2O/Gl0gjT2F0fNY7tAJSwx/N1

Score
10/10
darkcomethfevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

sapala30100.no-ip.org:81

Mutex

DC_MUTEX-2KHEZC7

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    plotGvLP9s7R

  • install

    true

  • offline_keylogger

    false

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      e5819c178a44094659c738f7539bf4c77bd014f483c12df71f96f3673b87fbf7

    • Size

      477KB

    • MD5

      b10dcc9d6268544ceb11a647a8c04bf4

    • SHA1

      b50f562b5523fe5f975cbb8bf5c4a2e911a4455a

    • SHA256

      e5819c178a44094659c738f7539bf4c77bd014f483c12df71f96f3673b87fbf7

    • SHA512

      75e46c856d7550a06c306d13e01111b30dd7c34b245c9d7038d729f3d307a2c3bb210a8c8ab3ea6c2aabd80511c0accd1ce90383ca72ca32b129bbd84fc8e684

    • SSDEEP

      12288:lK2mhAMJ/cPlj1kfgjdkA2Z/rNuak4mpiRZwvUAYaSqNx/LF/1:k2O/Gl0gjT2F0fNY7tAJSwx/N1

    Score
    10/10
    darkcomethfevasionpersistencerattrojanupx

    • 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

    • 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

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks