Overview

overview

10

Static

static

Order Requ...93.exe

windows7_x64

10

Order Requ...93.exe

windows10_x64

10

Sharing

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General

  • Target

    Order Requirement 893.exe

  • Size

    3.1MB

  • Sample

    210422-gztrk413w6

  • MD5

    94d0f17a6ccc191912e09efdbe611f5e

  • SHA1

    347d4231e88ac6fe82a8e701d0b16cfac652c92c

  • SHA256

    e3532fb1c9e0c23e6e0b556425bceb08953c97883aacfb347789a3d8dd80099d

  • SHA512

    7c322675175a6f3d50ce72208e6275e3853ea25de8beac1ff81ed8638fc7a305cb50f967cb194c146ac417c78593b9a1f1c18d01fd90fcc2ce3d5a2bbb31c76d

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

      Order Requirement 893.exe

    • Size

      3.1MB

    • MD5

      94d0f17a6ccc191912e09efdbe611f5e

    • SHA1

      347d4231e88ac6fe82a8e701d0b16cfac652c92c

    • SHA256

      e3532fb1c9e0c23e6e0b556425bceb08953c97883aacfb347789a3d8dd80099d

    • SHA512

      7c322675175a6f3d50ce72208e6275e3853ea25de8beac1ff81ed8638fc7a305cb50f967cb194c146ac417c78593b9a1f1c18d01fd90fcc2ce3d5a2bbb31c76d

    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 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