Overview

overview

10

Static

static

7

4ce2cf3481...9c.exe

windows7-x64

10

4ce2cf3481...9c.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    4ce2cf34817e0f979a5c587ed0cc896100740dd590d438430cb9a872573e759c

  • Size

    1.1MB

  • Sample

    220919-xlc7msdca2

  • MD5

    fb5279b97561bd435225aea0fe380a2b

  • SHA1

    05a08e77aaaebee4c5fb7b4b69f1f1e32268a3a9

  • SHA256

    4ce2cf34817e0f979a5c587ed0cc896100740dd590d438430cb9a872573e759c

  • SHA512

    5f9922f1624b78df4ae4aaf64f03c3e32b4d3a688706ce4f5c9314b7d1118eea9eef174e08cff491c15c4f3b00e6d707f99f9c7e8ab1f46614e57619d97b67db

  • SSDEEP

    24576:Jw+l7nRopHFw7TuyMZ2UjdJk9bk/ft1AbO7lzW:JBLRopHFw7TuMUR57AOl

Score
10/10
darkcometguest16evasionpersistenceratthemidatrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

vhooodi.no-ip.info:81

Mutex

DC_MUTEX-VEEBJCM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    DyT3pw2vG4x7

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      4ce2cf34817e0f979a5c587ed0cc896100740dd590d438430cb9a872573e759c

    • Size

      1.1MB

    • MD5

      fb5279b97561bd435225aea0fe380a2b

    • SHA1

      05a08e77aaaebee4c5fb7b4b69f1f1e32268a3a9

    • SHA256

      4ce2cf34817e0f979a5c587ed0cc896100740dd590d438430cb9a872573e759c

    • SHA512

      5f9922f1624b78df4ae4aaf64f03c3e32b4d3a688706ce4f5c9314b7d1118eea9eef174e08cff491c15c4f3b00e6d707f99f9c7e8ab1f46614e57619d97b67db

    • SSDEEP

      24576:Jw+l7nRopHFw7TuyMZ2UjdJk9bk/ft1AbO7lzW:JBLRopHFw7TuMUR57AOl

    Score
    10/10
    darkcometguest16evasionpersistenceratthemidatrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

1
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks