General

  • Target

    9202332b09585cbbe52f079128a9522a7c46dea6fbccca7f1eca9f15a77c46ac

  • Size

    1.8MB

  • Sample

    220731-fszksaafdp

  • MD5

    a97637c00b071d2bdea37f13225e84f9

  • SHA1

    627e3e1264772b88d1589e32d1da5ac636d161fc

  • SHA256

    9202332b09585cbbe52f079128a9522a7c46dea6fbccca7f1eca9f15a77c46ac

  • SHA512

    8d3adacb7fde7de3e021894c02b87088c862636ef3b2d534ab92eda25ac4a28a702cfbb9517c772d3867feb181144a0a2d02e33fe6cd541a5c79151ef7c600ab

Malware Config

Extracted

Family

vidar

Version

13.7

Botnet

223

C2

http://keitbeschutzen.com/

Attributes
  • profile_id

    223

Targets

    • Target

      9202332b09585cbbe52f079128a9522a7c46dea6fbccca7f1eca9f15a77c46ac

    • Size

      1.8MB

    • MD5

      a97637c00b071d2bdea37f13225e84f9

    • SHA1

      627e3e1264772b88d1589e32d1da5ac636d161fc

    • SHA256

      9202332b09585cbbe52f079128a9522a7c46dea6fbccca7f1eca9f15a77c46ac

    • SHA512

      8d3adacb7fde7de3e021894c02b87088c862636ef3b2d534ab92eda25ac4a28a702cfbb9517c772d3867feb181144a0a2d02e33fe6cd541a5c79151ef7c600ab

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks