Overview

overview

10

Static

static

Payment 901.exe

windows7_x64

10

Payment 901.exe

windows10_x64

10

Sharing

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General

  • Target

    Payment 901.exe

  • Size

    3.0MB

  • Sample

    210105-yzt4ntsdrj

  • MD5

    33d9370ab0c06bea92774b43d138f5b3

  • SHA1

    cba894efb96a1ae3982a10363814366b478c39d7

  • SHA256

    b81dece72c020fa2cb5f5df57f71de84142574d54ef1a165aff47ec171b618d0

  • SHA512

    573b5a9331b28ef6aaeaef616a89a05c70d478510141e636614f1dabfae290710cf620811dec90c8bcae3fc78ed26a6c4b317bbc08256cc4626ce7675ec3f7be

Score
10/10
darkcometjanuary 2021evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

JANuary 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-X1VW1F7

Attributes
  • gencode

    U35l73tWGu8y

  • install

    false

  • offline_keylogger

    true

  • password

    Password20$

  • persistence

    false

Targets

    • Target

      Payment 901.exe

    • Size

      3.0MB

    • MD5

      33d9370ab0c06bea92774b43d138f5b3

    • SHA1

      cba894efb96a1ae3982a10363814366b478c39d7

    • SHA256

      b81dece72c020fa2cb5f5df57f71de84142574d54ef1a165aff47ec171b618d0

    • SHA512

      573b5a9331b28ef6aaeaef616a89a05c70d478510141e636614f1dabfae290710cf620811dec90c8bcae3fc78ed26a6c4b317bbc08256cc4626ce7675ec3f7be

    Score
    10/10
    darkcometjanuary 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