Overview

overview

10

Static

static

bfef082320...ae.exe

windows7-x64

10

bfef082320...ae.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bfef082320559626427dc5f25be803c912e154e01705d163595877695210fcae

  • Size

    788KB

  • Sample

    221203-gqfwbsaf62

  • MD5

    80ef70dc4d72c8e9b52410ee7338c9ae

  • SHA1

    8679b445bfee7382a7ea7ec70331077ecea9d94b

  • SHA256

    bfef082320559626427dc5f25be803c912e154e01705d163595877695210fcae

  • SHA512

    03488e16a34d6439c5dcde8726a2359ee9a997295c1bf3dff3a8734238272688a2bf749e03cf72d09d15139e81fbf418673a00fb24b2b4b09514f4e6eece0977

  • SSDEEP

    12288:s0vdICiZcqd87ONMZ+UWAAFSPiOob2pLLCMjOoUS+uMqiK0NE8/b:xCcIJXUpPiOA2xLCMjuHueKAb

Score
10/10
darkcometpersistencerattrojan

Malware Config

Targets

    • Target

      bfef082320559626427dc5f25be803c912e154e01705d163595877695210fcae

    • Size

      788KB

    • MD5

      80ef70dc4d72c8e9b52410ee7338c9ae

    • SHA1

      8679b445bfee7382a7ea7ec70331077ecea9d94b

    • SHA256

      bfef082320559626427dc5f25be803c912e154e01705d163595877695210fcae

    • SHA512

      03488e16a34d6439c5dcde8726a2359ee9a997295c1bf3dff3a8734238272688a2bf749e03cf72d09d15139e81fbf418673a00fb24b2b4b09514f4e6eece0977

    • SSDEEP

      12288:s0vdICiZcqd87ONMZ+UWAAFSPiOob2pLLCMjOoUS+uMqiK0NE8/b:xCcIJXUpPiOA2xLCMjuHueKAb

    Score
    10/10
    darkcometpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • 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

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks