Overview

overview

10

Static

static

8

84b059d0b1...43.exe

windows7_x64

10

84b059d0b1...43.exe

windows10_x64

10

Sharing

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General

  • Target

    84b059d0b1c74fbbcb4bea1cc2da4adcbfc67de84ea9a8c37ee8da96100c5c43

  • Size

    252KB

  • Sample

    201115-pgq4fn8kae

  • MD5

    256af85b0eddc2327bab24817097194a

  • SHA1

    215e426721e69b35e3535f1dc8a868ab06f12389

  • SHA256

    84b059d0b1c74fbbcb4bea1cc2da4adcbfc67de84ea9a8c37ee8da96100c5c43

  • SHA512

    54d006945b25fe51921c449a8d164c7c1c8c5ce48b51e42c6a32d26f26f412b7306856c8a44e73772f659c85dc989bc57f250f5aed9e0747fbe627d682db2a9c

Score
10/10
darkcometloxevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

lox

C2

logan.bounceme.net:1604

Mutex

DC_MUTEX-HKYPFJY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    UoVSUsqvZCVe

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    vshost

Targets

    • Target

      84b059d0b1c74fbbcb4bea1cc2da4adcbfc67de84ea9a8c37ee8da96100c5c43

    • Size

      252KB

    • MD5

      256af85b0eddc2327bab24817097194a

    • SHA1

      215e426721e69b35e3535f1dc8a868ab06f12389

    • SHA256

      84b059d0b1c74fbbcb4bea1cc2da4adcbfc67de84ea9a8c37ee8da96100c5c43

    • SHA512

      54d006945b25fe51921c449a8d164c7c1c8c5ce48b51e42c6a32d26f26f412b7306856c8a44e73772f659c85dc989bc57f250f5aed9e0747fbe627d682db2a9c

    Score
    10/10
    darkcometloxevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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.

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks