Overview

overview

10

Static

static

Payment 761.exe

windows7_x64

10

Payment 761.exe

windows10_x64

10

Sharing

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General

  • Target

    Payment 761.exe

  • Size

    3.0MB

  • Sample

    210216-trby2w69hn

  • MD5

    62a68863c4cc45f3044a82468175e2d8

  • SHA1

    1872815154485c5f9af9cc93678bfa0da049d057

  • SHA256

    0988c85492437167f5cef3d98c7313ac4c15ca9c765b89261fad0622bf61622f

  • SHA512

    6328700abc7f907e4a56866698ff3249351ac07d0175a17ed6810a2a1b029aa7902b34b966518983830d7d2b193a5f950b634945d2588d18cafe26b1b5044508

Score
10/10
darkcometfebruary 2021evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

FEBruary 2021

C2

chrisle79.ddns.net:3317

jacknop79.ddns.net:3317

smath79.ddns.net:3317

whatis79.ddns.net:3317

goodgt79.ddns.net:3317

bonding79.ddns.net:3317
Mutex

DC_MUTEX-X4WFYA8

Attributes
  • gencode

    vYNzRAlAVaCD

  • install

    false

  • offline_keylogger

    true

  • password

    Password20$

  • persistence

    false

Targets

    • Target

      Payment 761.exe

    • Size

      3.0MB

    • MD5

      62a68863c4cc45f3044a82468175e2d8

    • SHA1

      1872815154485c5f9af9cc93678bfa0da049d057

    • SHA256

      0988c85492437167f5cef3d98c7313ac4c15ca9c765b89261fad0622bf61622f

    • SHA512

      6328700abc7f907e4a56866698ff3249351ac07d0175a17ed6810a2a1b029aa7902b34b966518983830d7d2b193a5f950b634945d2588d18cafe26b1b5044508

    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