Overview

overview

10

Static

static

8

bfa21515e9...57.exe

windows7_x64

10

bfa21515e9...57.exe

windows10_x64

10

Sharing

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General

  • Target

    bfa21515e932d430a1c7415d5f6554a499075f2f40f913de56d918eff6693057

  • Size

    284KB

  • Sample

    210515-em1jrt8hme

  • MD5

    90a641405523f561b9dbf3c27304d22f

  • SHA1

    b72390e962498c5256ee22f1392d73f47d198829

  • SHA256

    bfa21515e932d430a1c7415d5f6554a499075f2f40f913de56d918eff6693057

  • SHA512

    f799f4438ddefe3d48f815d53935d24e81bfa56a0c130236b8387de68dcd07344d227461ad64a3a0ac7dd28917bfc7795755e88231bbc996b61bd4a9a36ab8a7

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      bfa21515e932d430a1c7415d5f6554a499075f2f40f913de56d918eff6693057

    • Size

      284KB

    • MD5

      90a641405523f561b9dbf3c27304d22f

    • SHA1

      b72390e962498c5256ee22f1392d73f47d198829

    • SHA256

      bfa21515e932d430a1c7415d5f6554a499075f2f40f913de56d918eff6693057

    • SHA512

      f799f4438ddefe3d48f815d53935d24e81bfa56a0c130236b8387de68dcd07344d227461ad64a3a0ac7dd28917bfc7795755e88231bbc996b61bd4a9a36ab8a7

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks