Overview

overview

10

Static

static

c1e539ef1d...a5.exe

windows7-x64

10

c1e539ef1d...a5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c1e539ef1d5ae993fa4c9058f4e2e6caf14e61226b349b191cdfa37e65b710a5

  • Size

    1.1MB

  • Sample

    221129-1zr5haca82

  • MD5

    87f31938ba32ffe17ff1bbe96e076421

  • SHA1

    97487d29f1cf63559d87d31fc03c20b2b4e4a911

  • SHA256

    c1e539ef1d5ae993fa4c9058f4e2e6caf14e61226b349b191cdfa37e65b710a5

  • SHA512

    8b23fd6549f998142f7a64e260736ae6293b84451ad73a80da3597ec482feccf27bebe2be32f2c89b711244a9f370d640114cae7d3d2104153205703006fffcf

  • SSDEEP

    12288:pJIE4VW2o/LW0NHX68XU9sUX9T8+3M2UBvSwo9nKeK3wzuM/5Tdi77X9Z4YuL4:pSy/S0NPK1CWMTxkKeKAbdEX9Z4YuL4

Score
10/10
darkcometloveevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Love

C2

pet105.no-ip.biz:100

Mutex

DC_MUTEX-TNT8SFG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    JJbwi9MArQ9S

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      c1e539ef1d5ae993fa4c9058f4e2e6caf14e61226b349b191cdfa37e65b710a5

    • Size

      1.1MB

    • MD5

      87f31938ba32ffe17ff1bbe96e076421

    • SHA1

      97487d29f1cf63559d87d31fc03c20b2b4e4a911

    • SHA256

      c1e539ef1d5ae993fa4c9058f4e2e6caf14e61226b349b191cdfa37e65b710a5

    • SHA512

      8b23fd6549f998142f7a64e260736ae6293b84451ad73a80da3597ec482feccf27bebe2be32f2c89b711244a9f370d640114cae7d3d2104153205703006fffcf

    • SSDEEP

      12288:pJIE4VW2o/LW0NHX68XU9sUX9T8+3M2UBvSwo9nKeK3wzuM/5Tdi77X9Z4YuL4:pSy/S0NPK1CWMTxkKeKAbdEX9Z4YuL4

    Score
    10/10
    darkcometloveevasionpersistencerattrojan

    • 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

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Scripting

1
T1064

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

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks