Overview

overview

10

Static

static

10

9a3fbbcf01...68.exe

windows7-x64

10

9a3fbbcf01...68.exe

windows10-2004-x64

7

Sharing

Copy URL
Twitter E-mail

General

  • Target

    9a3fbbcf01c2f50da1652108b7d26b020f73b1946b25e2d5637813a226b81c68

  • Size

    2.1MB

  • Sample

    221125-2xdprsga6z

  • MD5

    5392288f58739141bc319d5d9b38a677

  • SHA1

    acc64f222ee3ab0465d4eecc0e06dcb6f9c8c00c

  • SHA256

    9a3fbbcf01c2f50da1652108b7d26b020f73b1946b25e2d5637813a226b81c68

  • SHA512

    a50e71b104c2ce883a2b9827edc4b0c2012277e28ca0262afbf54ab42323d72f21c71c8b4fbcaac2687f59591d013e13e7e11dc15e3e801ef658972e52a5dceb

  • SSDEEP

    49152:0bQDgok30mycUPTVxbBvWOsnCoV3UtzDI9:0bQU/NUPTlvWOIcxDy

Score
10/10
darkcometfacechatevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

FaceChat

C2

jebozovan.no-ip.org:81

Mutex

DC_MUTEX-VYZAE9V

Attributes
  • InstallPath

    Updater\svchost.exe

  • gencode

    7gYDkFuVmVLg

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      9a3fbbcf01c2f50da1652108b7d26b020f73b1946b25e2d5637813a226b81c68

    • Size

      2.1MB

    • MD5

      5392288f58739141bc319d5d9b38a677

    • SHA1

      acc64f222ee3ab0465d4eecc0e06dcb6f9c8c00c

    • SHA256

      9a3fbbcf01c2f50da1652108b7d26b020f73b1946b25e2d5637813a226b81c68

    • SHA512

      a50e71b104c2ce883a2b9827edc4b0c2012277e28ca0262afbf54ab42323d72f21c71c8b4fbcaac2687f59591d013e13e7e11dc15e3e801ef658972e52a5dceb

    • SSDEEP

      49152:0bQDgok30mycUPTVxbBvWOsnCoV3UtzDI9:0bQU/NUPTlvWOIcxDy

    Score
    10/10
    darkcometfacechatevasionpersistencerattrojan

    • 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

    • Drops file in System32 directory

    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