General

  • Target

    https://softextra.net/

  • Sample

    230720-1e319sbd5s

Malware Config

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/jsvbdyufwibascq

C2

https://t.me/jsvbdyufwibascq

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes
  • profile_id_v2

    https://t.me/jsvbdyufwibascq

  • user_agent

    Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Extracted

Family

systembc

C2

91.103.252.89:4317

91.103.252.57:4317

Targets

    • Target

      https://softextra.net/

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks