Overview

overview

10

Static

static

b79e1b1c27...b4.exe

windows7-x64

10

b79e1b1c27...b4.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    b79e1b1c27f4d27629213c9cd6b348507e201a175f9e88b631a8fd51323311b4

  • Size

    474KB

  • Sample

    221203-hg2xwach36

  • MD5

    10d8db9c89b6b8d766a899da925517ae

  • SHA1

    a7749810330ac5e76896eabe72fafa1b28924913

  • SHA256

    b79e1b1c27f4d27629213c9cd6b348507e201a175f9e88b631a8fd51323311b4

  • SHA512

    763badf29a6554542aa8974e609a8d09e21a3ee535e5156977c06616071a70b1b1f2d4d3aa47ebf0713dbb847b56764b831495e9b148d02493651dd5977a6c26

  • SSDEEP

    12288:C2LVSjLqDJZMQzzdrikNOQsLr3dP7/JkHlpAuuVP427tDGTz:FLg29+QFriPQsLDhrJ2A5Vw27tqTz

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

hellobhaiji.no-ip.org:1604

Mutex

DC_MUTEX-SE6LJZ8

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    mlhnz99gxBf3

  • install

    true

  • offline_keylogger

    true

  • password

    123456789

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      b79e1b1c27f4d27629213c9cd6b348507e201a175f9e88b631a8fd51323311b4

    • Size

      474KB

    • MD5

      10d8db9c89b6b8d766a899da925517ae

    • SHA1

      a7749810330ac5e76896eabe72fafa1b28924913

    • SHA256

      b79e1b1c27f4d27629213c9cd6b348507e201a175f9e88b631a8fd51323311b4

    • SHA512

      763badf29a6554542aa8974e609a8d09e21a3ee535e5156977c06616071a70b1b1f2d4d3aa47ebf0713dbb847b56764b831495e9b148d02493651dd5977a6c26

    • SSDEEP

      12288:C2LVSjLqDJZMQzzdrikNOQsLr3dP7/JkHlpAuuVP427tDGTz:FLg29+QFriPQsLDhrJ2A5Vw27tqTz

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks