Overview

overview

10

Static

static

308c9be232...80.exe

windows7-x64

10

308c9be232...80.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    308c9be2323a416b1c1297238b4197ee58e7442c82a22490f96b9d7a3f69be80

  • Size

    1.1MB

  • Sample

    221126-yef6dsdb6y

  • MD5

    77d59df8f968d49b824598d9b4734e61

  • SHA1

    f9f0d73cae09fbfc49fe6a58d7edcbbd57594064

  • SHA256

    308c9be2323a416b1c1297238b4197ee58e7442c82a22490f96b9d7a3f69be80

  • SHA512

    dea1defa24137b301d5c5d5777e6ad0c7129d0d8305810c68b09e0030a9f0d0f96c154887402ec107ed3b727d1a684313610008c98a05ec107ffc7169840efc4

  • SSDEEP

    24576:Jw1lDrobPKhS0/FzDzQ0ae4iIKcRC7lZ87:iDUG/qm

Score
10/10
darkcometbotevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Bot

C2

thescienceguy.no-ip.biz:6754

Mutex

DC_MUTEX-XTMDCH5

Attributes
  • InstallPath

    AVG Tray Utilities\

  • gencode

    2d4YgnBQzJYv

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    AVGTrayUtils

Targets

    • Target

      308c9be2323a416b1c1297238b4197ee58e7442c82a22490f96b9d7a3f69be80

    • Size

      1.1MB

    • MD5

      77d59df8f968d49b824598d9b4734e61

    • SHA1

      f9f0d73cae09fbfc49fe6a58d7edcbbd57594064

    • SHA256

      308c9be2323a416b1c1297238b4197ee58e7442c82a22490f96b9d7a3f69be80

    • SHA512

      dea1defa24137b301d5c5d5777e6ad0c7129d0d8305810c68b09e0030a9f0d0f96c154887402ec107ed3b727d1a684313610008c98a05ec107ffc7169840efc4

    • SSDEEP

      24576:Jw1lDrobPKhS0/FzDzQ0ae4iIKcRC7lZ87:iDUG/qm

    Score
    10/10
    darkcometbotevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

1
T1089

Hidden Files and Directories

2
T1158

Scripting

1
T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks