Overview

overview

10

Static

static

3

cdca6cf1ad...96.exe

windows7-x64

10

cdca6cf1ad...96.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cdca6cf1adac7a1b0e924e6588b9e096

  • Size

    699KB

  • Sample

    240316-l86xpagh2v

  • MD5

    cdca6cf1adac7a1b0e924e6588b9e096

  • SHA1

    1f0be53bbda5739eea99a8bce2f7602e17ff269e

  • SHA256

    c9b37efc16b190f11f7607ace2a8f5b60639b716a72321fc3aada925c53aa7ed

  • SHA512

    cfccc676c2808c4461846253fc44dd6cc46a7358357822863f967e5e1b1badb51052e4aefa2f9f371d92661be9de01739a33d3da5eae556f66feb1ad79f5a0a3

  • SSDEEP

    12288:vsOW6Q4OWz9h8T+t7bzyHew18LpuVKxTlQrrq+3r5VuGBBNjZfRzV:hW6VXRhVbzyfyR0qMXNjBRZ

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

185.113.208.205:1604

Mutex

DC_MUTEX-UCGJZEA

Attributes
  • InstallPath

    NvidiaGraphicSys.exe

  • gencode

    Hdnr2tMwrvAj

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Nvidia Graphics

Targets

    • Target

      cdca6cf1adac7a1b0e924e6588b9e096

    • Size

      699KB

    • MD5

      cdca6cf1adac7a1b0e924e6588b9e096

    • SHA1

      1f0be53bbda5739eea99a8bce2f7602e17ff269e

    • SHA256

      c9b37efc16b190f11f7607ace2a8f5b60639b716a72321fc3aada925c53aa7ed

    • SHA512

      cfccc676c2808c4461846253fc44dd6cc46a7358357822863f967e5e1b1badb51052e4aefa2f9f371d92661be9de01739a33d3da5eae556f66feb1ad79f5a0a3

    • SSDEEP

      12288:vsOW6Q4OWz9h8T+t7bzyHew18LpuVKxTlQrrq+3r5VuGBBNjZfRzV:hW6VXRhVbzyfyR0qMXNjBRZ

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Windows security bypass

      evasiontrojan

    • 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

    • Drops file in System32 directory

    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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

4
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