General

  • Target

    https://www.mediafire.com/file/1s252n2i7tf15is/games.py/file

  • Sample

    240419-y9zwzsfe5w

Malware Config

Targets

    • Target

      https://www.mediafire.com/file/1s252n2i7tf15is/games.py/file

    • An infostealer written in Python and packaged with PyInstaller.

    • crealstealer

      An infostealer written in Python and packaged with PyInstaller.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks