Overview

overview

10

Static

static

Payment 381.exe

windows7_x64

10

Payment 381.exe

windows10_x64

10

Sharing

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General

  • Target

    Payment 381.exe

  • Size

    3.1MB

  • Sample

    210225-y1g2bbebzx

  • MD5

    3602f8e02342949364e8669e0c88f686

  • SHA1

    8b2f47300d6fecd4d5fcef477b7cbd63cf6ef8c5

  • SHA256

    87fd1a37f56e55cc20cdf882955d9ac37a857bd0bf12c480ea76f9a452438ab6

  • SHA512

    c4368cf6fc0e76442f9e8ff812d4dea125ff61eee360085ccd870d8e11c57dec8d1c92cd310cfee58990f220236e06561424c48e84e743140923f7a15bca8890

Score
10/10
darkcometfebruary 2021evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

FEBruary 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-ZKP4D0B

Attributes
  • gencode

    wb6TW2qCEdyf

  • install

    false

  • offline_keylogger

    true

  • password

    Password20$

  • persistence

    false

Targets

    • Target

      Payment 381.exe

    • Size

      3.1MB

    • MD5

      3602f8e02342949364e8669e0c88f686

    • SHA1

      8b2f47300d6fecd4d5fcef477b7cbd63cf6ef8c5

    • SHA256

      87fd1a37f56e55cc20cdf882955d9ac37a857bd0bf12c480ea76f9a452438ab6

    • SHA512

      c4368cf6fc0e76442f9e8ff812d4dea125ff61eee360085ccd870d8e11c57dec8d1c92cd310cfee58990f220236e06561424c48e84e743140923f7a15bca8890

    Score
    10/10
    darkcometfebruary 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