Overview

overview

10

Static

static

Purchase O...81.exe

windows7_x64

10

Purchase O...81.exe

windows10_x64

10

Sharing

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General

  • Target

    Purchase Order 781.exe

  • Size

    2.0MB

  • Sample

    210524-3rl57zq6tx

  • MD5

    701fbddfd06ee81cbdd5ef856389aca8

  • SHA1

    f69315ab7caf73bd0d7ced899fdf2e619d3c474e

  • SHA256

    864e6ddd9c09a95df11b80abbaa0b1a9a4fb890cb27ad21883f44853094bb0cd

  • SHA512

    cdcadf2dcf3ba2fb640a00e8f9751d3c6f08c34a70c0ca441795ba9e59de3c323549b0180d7b940395f1d2800cda06672e2cb040257f0101eb521a2b43e7b0eb

Score
10/10
darkcometmay 2021evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

May 2021

C2

bonding79.ddns.net:3316

goodgt79.ddns.net:3316

whatis79.ddns.net:3316

smath79.ddns.net:3316

jacknop79.ddns.net:3316

chrisle79.ddns.net:3316
Mutex

DC_MUTEX-PPMNGQA

Attributes
  • gencode

    AUQYBsRj2TWk

  • install

    false

  • offline_keylogger

    true

  • password

    Password20$

  • persistence

    false

Targets

    • Target

      Purchase Order 781.exe

    • Size

      2.0MB

    • MD5

      701fbddfd06ee81cbdd5ef856389aca8

    • SHA1

      f69315ab7caf73bd0d7ced899fdf2e619d3c474e

    • SHA256

      864e6ddd9c09a95df11b80abbaa0b1a9a4fb890cb27ad21883f44853094bb0cd

    • SHA512

      cdcadf2dcf3ba2fb640a00e8f9751d3c6f08c34a70c0ca441795ba9e59de3c323549b0180d7b940395f1d2800cda06672e2cb040257f0101eb521a2b43e7b0eb

    Score
    10/10
    darkcometmay 2021evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

2
T1497

Scripting

1
T1064

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks