Overview

overview

10

Static

static

8

2c4a628a52...3e.exe

windows7_x64

10

2c4a628a52...3e.exe

windows10_x64

10

Sharing

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General

  • Target

    2c4a628a5226654cc05919b82793c5288b9118cfec5ef2533efd6e9e1774983e

  • Size

    464KB

  • Sample

    201112-fy5n4n415e

  • MD5

    8807472c3daef64ca36a1d9e40401920

  • SHA1

    d6ac413beed93aafa4edb9bbed9cc634aa29021f

  • SHA256

    2c4a628a5226654cc05919b82793c5288b9118cfec5ef2533efd6e9e1774983e

  • SHA512

    08489e755b8af4b4bf6bf49c48dbe4110cc7285cad568ddc39fea5bebb562f51a8031731c792b8611412090bbe92cc8286946f7ded80c6bd9649c4176e5657eb

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      2c4a628a5226654cc05919b82793c5288b9118cfec5ef2533efd6e9e1774983e

    • Size

      464KB

    • MD5

      8807472c3daef64ca36a1d9e40401920

    • SHA1

      d6ac413beed93aafa4edb9bbed9cc634aa29021f

    • SHA256

      2c4a628a5226654cc05919b82793c5288b9118cfec5ef2533efd6e9e1774983e

    • SHA512

      08489e755b8af4b4bf6bf49c48dbe4110cc7285cad568ddc39fea5bebb562f51a8031731c792b8611412090bbe92cc8286946f7ded80c6bd9649c4176e5657eb

    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

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • 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

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks