Resubmissions

22-11-2024 16:51

241122-vc6fqatrfx 10

22-11-2024 16:48

241122-vbcr1strd1 10

General

  • Target

    https://mega.nz/file/ORE0hbia#WUbaV7wkKeJGJn69jImU7sjH4ipqeEYEJ-XWS7JpkiY

  • Sample

    241122-vc6fqatrfx

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:40193

table-services.gl.at.ply.gg:40193

Mutex

hwj3sOSYzsrtcnTJ

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      https://mega.nz/file/ORE0hbia#WUbaV7wkKeJGJn69jImU7sjH4ipqeEYEJ-XWS7JpkiY

    • Detect Umbral payload

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Umbral family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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 Enterprise v15

Tasks