Overview

overview

10

Static

static

Payment 831.exe

windows7_x64

10

Payment 831.exe

windows10_x64

10

Sharing

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General

  • Target

    Payment 831.exe

  • Size

    2.1MB

  • Sample

    210404-8sd2rmtbdn

  • MD5

    90f1582eb4aa8c5db832919e5e475fc5

  • SHA1

    bbc4d5e90346af2ec03f7ec4af33a728108818a3

  • SHA256

    136eddfd86a8ee4a6e6c8ed4d82bc78e795e5f02ff5e347dd95893a9b011222f

  • SHA512

    37cd15caa53b047036334cf5b19ffaf7fc94aa32d4dc8648c2fe0c1bd623e332f70778b2bb59c3aeaf0f6ba5cae6fa1c1a360780e1c7d29e4be4a4d9ab459b43

Score
10/10
darkcometapril 2021evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

April 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-L1TFBNC

Attributes
  • gencode

    PvcfTTVpBSKd

  • install

    false

  • offline_keylogger

    true

  • password

    Password20$

  • persistence

    false

Targets

    • Target

      Payment 831.exe

    • Size

      2.1MB

    • MD5

      90f1582eb4aa8c5db832919e5e475fc5

    • SHA1

      bbc4d5e90346af2ec03f7ec4af33a728108818a3

    • SHA256

      136eddfd86a8ee4a6e6c8ed4d82bc78e795e5f02ff5e347dd95893a9b011222f

    • SHA512

      37cd15caa53b047036334cf5b19ffaf7fc94aa32d4dc8648c2fe0c1bd623e332f70778b2bb59c3aeaf0f6ba5cae6fa1c1a360780e1c7d29e4be4a4d9ab459b43

    Score
    10/10
    darkcometapril 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 Enterprise v6

Tasks