Overview

overview

10

Static

static

10

4e580d5788...18.exe

windows7-x64

10

4e580d5788...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    4e580d578826117f037b6de1c202976a_JaffaCakes118

  • Size

    283KB

  • Sample

    240517-eks8csgf43

  • MD5

    4e580d578826117f037b6de1c202976a

  • SHA1

    6d83a55bd0e2d8a9aa7eb0347c6a5dc2bf63edcc

  • SHA256

    6b4bc985d5a65b3786ede21bdb8e946fde2377c7679b6eaba4aa1a5a10bcbad4

  • SHA512

    d1ad3f17151c27a4323e9304a00402d3aeb2dcd623d2abd0b2b2d1fd4c4cfca2d7cd1c921e8ee124d1a2f48f5a5a04e7e33e5aea3a18528639cabf71260ff3a7

  • SSDEEP

    6144:QcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PmN:QcWkbgTYWnYnt/IDYhPmN

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

029387123.ddns.net:1604

Mutex

DC_MUTEX-3QCLEBB

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    XNKbNkPCd1RU

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      4e580d578826117f037b6de1c202976a_JaffaCakes118

    • Size

      283KB

    • MD5

      4e580d578826117f037b6de1c202976a

    • SHA1

      6d83a55bd0e2d8a9aa7eb0347c6a5dc2bf63edcc

    • SHA256

      6b4bc985d5a65b3786ede21bdb8e946fde2377c7679b6eaba4aa1a5a10bcbad4

    • SHA512

      d1ad3f17151c27a4323e9304a00402d3aeb2dcd623d2abd0b2b2d1fd4c4cfca2d7cd1c921e8ee124d1a2f48f5a5a04e7e33e5aea3a18528639cabf71260ff3a7

    • SSDEEP

      6144:QcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PmN:QcWkbgTYWnYnt/IDYhPmN

    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

    • 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
    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