Overview

overview

10

Static

static

10

f.bin.exe

windows7_x64

10

f.bin.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    f.bin

  • Size

    658KB

  • Sample

    210108-rl53n3fa7e

  • MD5

    3b6f11e1bfcb6137f555399ce5e5fec6

  • SHA1

    dbfe47ed7e9842b0a9014c11b7146c38963882c5

  • SHA256

    1c876d45db060f5be86ab9a13496c0b280d3c6031f00bb4ffebae99566a9249b

  • SHA512

    6d6b338a395cc42d527cee0dd06f051b86e7d135b764c6d7619eae0a9dba0e687e0578ff64d83ac7284fea1e727a6695a7e3d065e86d45b01cb81befeab89715

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ImagineTyingToGetMyIp-31268.portmap.host:31268

Mutex

DC_MUTEX-B1A8DEL

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ZyDv1EUeB9PM

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      f.bin

    • Size

      658KB

    • MD5

      3b6f11e1bfcb6137f555399ce5e5fec6

    • SHA1

      dbfe47ed7e9842b0a9014c11b7146c38963882c5

    • SHA256

      1c876d45db060f5be86ab9a13496c0b280d3c6031f00bb4ffebae99566a9249b

    • SHA512

      6d6b338a395cc42d527cee0dd06f051b86e7d135b764c6d7619eae0a9dba0e687e0578ff64d83ac7284fea1e727a6695a7e3d065e86d45b01cb81befeab89715

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Windows security bypass

      evasiontrojan

    • 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

    • Windows security modification

      evasiontrojan

    • 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

4
T1112

Disabling Security Tools

2
T1089

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