Overview

overview

10

Static

static

10

4ae797a84a...18.exe

windows7-x64

10

4ae797a84a...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ae797a84a33b3700328e5f02e8c76b5_JaffaCakes118

  • Size

    259KB

  • Sample

    240516-nw4mxaah4w

  • MD5

    4ae797a84a33b3700328e5f02e8c76b5

  • SHA1

    7e87df292e83f1a887c3c5ea7e2ad50a4b830e8f

  • SHA256

    95eba4263d159c4840056d23a5eac32aa801acec88b1c243107751dcb4e74ae2

  • SHA512

    ec2b39514fa93577e8c768e1add6e73107f83b855aacc962faedddce7b6fce07d46360c835830671abe6e4a87ed736823c266c7e32e469bfeccf95b5f63952c1

  • SSDEEP

    6144:BcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PD:BcWkbgTYWnYnt/IDYhP

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

Extracted

Family

darkcomet

Botnet

Guest16

C2

95.32.136.9:1604

95.32.136.9:27015
Mutex

DC_MUTEX-6TK91B1

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    rtFKNUP37eLA

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      4ae797a84a33b3700328e5f02e8c76b5_JaffaCakes118

    • Size

      259KB

    • MD5

      4ae797a84a33b3700328e5f02e8c76b5

    • SHA1

      7e87df292e83f1a887c3c5ea7e2ad50a4b830e8f

    • SHA256

      95eba4263d159c4840056d23a5eac32aa801acec88b1c243107751dcb4e74ae2

    • SHA512

      ec2b39514fa93577e8c768e1add6e73107f83b855aacc962faedddce7b6fce07d46360c835830671abe6e4a87ed736823c266c7e32e469bfeccf95b5f63952c1

    • SSDEEP

      6144:BcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PD:BcWkbgTYWnYnt/IDYhP

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Modify Registry

7
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks