Overview

overview

10

Static

static

10

77058147d3...e8.exe

windows7-x64

10

77058147d3...e8.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    b462c2e4b8d3543d444178ffcebdadbecf3c0d196ae256520ea8fcacb46c1190

  • Size

    314KB

  • Sample

    240417-pwqlqaha3v

  • MD5

    f93a884ef43d5d73f199af061835b0d0

  • SHA1

    4d36faff7a1b01a63478017a2ee65c87eef63e9f

  • SHA256

    b462c2e4b8d3543d444178ffcebdadbecf3c0d196ae256520ea8fcacb46c1190

  • SHA512

    dd474af75c3dc16cd43f355b75321b99cfd2a03d06a88d81ea12f4d7fab2bf6e490bcd2e4cc388aaf2a6f7cb0ee9d8d72b2ce69df10b092881bb663cc85c5598

  • SSDEEP

    6144:YSmNwEt3yVeo9Lbo8LxElLkpvCnTUyt1oOwG1hQpv5odAkI/KRSe+BrTGhGRKP:1mNNi7LRMgvCnR+y1hQXwApiRorTGhWc

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

80.222.152.67:80

Mutex

DC_MUTEX-QWMWN2U

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    hdQRh37piHv1

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      77058147d37749df7378249a128a5298de49787eba629b634090849456774ce8.exe

    • Size

      663KB

    • MD5

      8231d8d9d1c38a7f2ebce20944bcfc63

    • SHA1

      ca190e6cab231bd140dab3a13c7a59cb88c85e7b

    • SHA256

      77058147d37749df7378249a128a5298de49787eba629b634090849456774ce8

    • SHA512

      8025a7c2231a562bf4d0ff76a813585606462a51a1b76a34d54f0640b4f591d8abdc32928795162f987f6dfd42f16e10c340f27a62ad87b18cec81bdb9a68cc2

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9EkNC/:KZ1xuVVjfFoynPaVBUR8f+kN10Ed

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks