Overview

overview

10

Static

static

10

150319853a...e5.exe

windows7-x64

10

150319853a...e5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    150319853a85ac79187d577722a76be83a1cd83c975f3fba025c6054ac3082e5

  • Size

    253KB

  • Sample

    220725-ah9p4sfaaj

  • MD5

    08db3bb00f34eb468a9b2852ba28554b

  • SHA1

    a0036dc06f5c4815dd36723d39130ea3578d55df

  • SHA256

    150319853a85ac79187d577722a76be83a1cd83c975f3fba025c6054ac3082e5

  • SHA512

    17a13f23be6dedb25cc29bbc37d752606701c912e4faec54b0040c9f186bc7e232938696c45ad020c3287e848db9d97ef9c9f2155b5d8649f28724ce45d963fa

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:888

Mutex

DC_MUTEX-GWEFDLQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    xx6TZ3KQ4Jf0

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      150319853a85ac79187d577722a76be83a1cd83c975f3fba025c6054ac3082e5

    • Size

      253KB

    • MD5

      08db3bb00f34eb468a9b2852ba28554b

    • SHA1

      a0036dc06f5c4815dd36723d39130ea3578d55df

    • SHA256

      150319853a85ac79187d577722a76be83a1cd83c975f3fba025c6054ac3082e5

    • SHA512

      17a13f23be6dedb25cc29bbc37d752606701c912e4faec54b0040c9f186bc7e232938696c45ad020c3287e848db9d97ef9c9f2155b5d8649f28724ce45d963fa

    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