Overview

overview

10

Static

static

1

Design sem nome.png

windows11-21h2-x64

10

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android-13-x64

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debian-12-mipsel

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ubuntu-24.04-amd64

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General

  • Target

    Design sem nome.png

  • Size

    19KB

  • Sample

    250106-ahvaeszlet

  • MD5

    0398b690fb992b2fe7e0f69bd23009e1

  • SHA1

    013884660655b1ce068a7fbe6a34c7d30b4f4c01

  • SHA256

    ff9bcc893b22e1df006c80a1925e066b630cccfa1d9474ba965ab95d59902018

  • SHA512

    dc684e45b63cf6d3ef5fda4fa022bf5b75644ec58fbfc9a8c62d68117df251351e0aef8fa379169afc8d533f3719c220839f9478eee52f40fb399dd31e3c7c72

  • SSDEEP

    384:Pgxn8UgxVMAPnpwizvpYN5R7fyvUodyZFfKRCrt7Kw8EXEJoqr:o2ZXnpwuK0UodyZNKRct7KU4ok

Score
10/10
crimsonratdarkcometandroiddefense_evasiondiscoveryevasionlinuxpersistenceransomwarerattrojan

Malware Config

Extracted

Family

crimsonrat

C2

185.136.161.124

Targets

    • Target

      Design sem nome.png

    • Size

      19KB

    • MD5

      0398b690fb992b2fe7e0f69bd23009e1

    • SHA1

      013884660655b1ce068a7fbe6a34c7d30b4f4c01

    • SHA256

      ff9bcc893b22e1df006c80a1925e066b630cccfa1d9474ba965ab95d59902018

    • SHA512

      dc684e45b63cf6d3ef5fda4fa022bf5b75644ec58fbfc9a8c62d68117df251351e0aef8fa379169afc8d533f3719c220839f9478eee52f40fb399dd31e3c7c72

    • SSDEEP

      384:Pgxn8UgxVMAPnpwizvpYN5R7fyvUodyZFfKRCrt7Kw8EXEJoqr:o2ZXnpwuK0UodyZNKRct7KU4ok

    Score
    10/10
    crimsonratdarkcometdefense_evasiondiscoveryevasionpersistenceransomwarerattrojan

    • CrimsonRAT main payload

    • CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

      ratcrimsonrat

    • Crimsonrat family

      crimsonrat

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Tasks