Overview

overview

10

Static

static

c276255be8...f9.exe

windows7_x64

10

c276255be8...f9.exe

windows10_x64

10

Sharing

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General

  • Target

    c276255be8c317392e43735e0f707cf9

  • Size

    1.3MB

  • Sample

    201214-j29rcelfps

  • MD5

    c276255be8c317392e43735e0f707cf9

  • SHA1

    8deb38349ef9978a83b8fee521de5e06d2b86052

  • SHA256

    5fe7d9e94105fcb2dd524faee708442a10c98a98c9ea3b6ef35da17b6f7f4f47

  • SHA512

    ebb335783435b6675751d9efaeb601874df6a21f41f9ac0877afc7ab19a5ef7287fa4f8fc81984396a6ff5e29c5a40449635745e3d51a254096d53398b2dd1a3

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      c276255be8c317392e43735e0f707cf9

    • Size

      1.3MB

    • MD5

      c276255be8c317392e43735e0f707cf9

    • SHA1

      8deb38349ef9978a83b8fee521de5e06d2b86052

    • SHA256

      5fe7d9e94105fcb2dd524faee708442a10c98a98c9ea3b6ef35da17b6f7f4f47

    • SHA512

      ebb335783435b6675751d9efaeb601874df6a21f41f9ac0877afc7ab19a5ef7287fa4f8fc81984396a6ff5e29c5a40449635745e3d51a254096d53398b2dd1a3

    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.

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    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

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks