Overview

overview

10

Static

static

8

030e052314...f9.exe

windows7_x64

10

030e052314...f9.exe

windows10_x64

10

Sharing

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General

  • Target

    030e0523148995ec2e91544642cacded035534ef6bf42c534336167fc96501f9

  • Size

    252KB

  • Sample

    201109-dqrzgf4ks6

  • MD5

    81d1f0ba69f70c3b8eb6c00dea432dfe

  • SHA1

    f2e23705a6a465e8e6c7f02f3b175e2e06e84719

  • SHA256

    030e0523148995ec2e91544642cacded035534ef6bf42c534336167fc96501f9

  • SHA512

    0fea7f04790a53638e2cc342f2d1713ba49363c31faa36bc5698f4f18be4b8d9f5006592b775d7c4bcf6f467f43fd005b80b5b6d5ad73aa3f0bfa344f0ad90ce

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ximer2020.ddns.net:1604

Mutex

DC_MUTEX-4U0HFC0

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    aDFqoxfKfrcR

  • install

    true

  • offline_keylogger

    true

  • password

    82121020202222

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      030e0523148995ec2e91544642cacded035534ef6bf42c534336167fc96501f9

    • Size

      252KB

    • MD5

      81d1f0ba69f70c3b8eb6c00dea432dfe

    • SHA1

      f2e23705a6a465e8e6c7f02f3b175e2e06e84719

    • SHA256

      030e0523148995ec2e91544642cacded035534ef6bf42c534336167fc96501f9

    • SHA512

      0fea7f04790a53638e2cc342f2d1713ba49363c31faa36bc5698f4f18be4b8d9f5006592b775d7c4bcf6f467f43fd005b80b5b6d5ad73aa3f0bfa344f0ad90ce

    Score
    10/10
    darkcometguest16persistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks