Overview

overview

10

Static

static

10

7118c3db49...16.exe

windows7_x64

10

7118c3db49...16.exe

windows10_x64

10

Sharing

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General

  • Target

    7118c3db49b6e9278fb34a7696089f4f44f3b8ae4cb85083af64ea2100c5e716

  • Size

    658KB

  • Sample

    210906-hhm54sdgcj

  • MD5

    f7ce32b7a4e41e6d16aaa8c2766ede4d

  • SHA1

    4183604cdb185657e8fbcf4e5df2c694cb94049c

  • SHA256

    7118c3db49b6e9278fb34a7696089f4f44f3b8ae4cb85083af64ea2100c5e716

  • SHA512

    1fcdf94c074d1958ca19fcc107a722b6524f71f4cdff7acf49013f9e5b1b08dba892c605f3ee23cc53f8e053fa3900a6d774501b6447c2a6d6214ddd40ce6fe1

Score
10/10
darkcometallevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

All

C2

:1604

Mutex

DC_MUTEX-U0DM7GE

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    KUiN9kpfaemv

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      7118c3db49b6e9278fb34a7696089f4f44f3b8ae4cb85083af64ea2100c5e716

    • Size

      658KB

    • MD5

      f7ce32b7a4e41e6d16aaa8c2766ede4d

    • SHA1

      4183604cdb185657e8fbcf4e5df2c694cb94049c

    • SHA256

      7118c3db49b6e9278fb34a7696089f4f44f3b8ae4cb85083af64ea2100c5e716

    • SHA512

      1fcdf94c074d1958ca19fcc107a722b6524f71f4cdff7acf49013f9e5b1b08dba892c605f3ee23cc53f8e053fa3900a6d774501b6447c2a6d6214ddd40ce6fe1

    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