General

  • Target

    58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda

  • Size

    175KB

  • Sample

    230124-thcvxseb21

  • MD5

    9b3bf91d2b19a3933e9517e075c2bf14

  • SHA1

    3b7c18c79de23754152a99a27c10e2d524fc78ca

  • SHA256

    58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda

  • SHA512

    69cbe9ff3c48dc8331e4bc3ad113c465f24146943e3f57b09290fe55f8c2fe03f33de2168af173b5aec38a17dfdf0f50c0cc4469157877a877a23423de73d66b

  • SSDEEP

    3072:JBN2fxzsZLRk49UH5AveJXWd8xD310PjUsO7:PLLS49UKelWKxD31fsO

Malware Config

Extracted

Family

vidar

Version

2.2

Botnet

237

C2

https://t.me/litlebey

https://steamcommunity.com/profiles/76561199472399815

Attributes
  • profile_id

    237

Targets

    • Target

      58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda

    • Size

      175KB

    • MD5

      9b3bf91d2b19a3933e9517e075c2bf14

    • SHA1

      3b7c18c79de23754152a99a27c10e2d524fc78ca

    • SHA256

      58159b180763f2231074b262ac54f26caf8f308454d104f22cdb5f51e406dfda

    • SHA512

      69cbe9ff3c48dc8331e4bc3ad113c465f24146943e3f57b09290fe55f8c2fe03f33de2168af173b5aec38a17dfdf0f50c0cc4469157877a877a23423de73d66b

    • SSDEEP

      3072:JBN2fxzsZLRk49UH5AveJXWd8xD310PjUsO7:PLLS49UKelWKxD31fsO

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

    • Accesses cryptocurrency files/wallets, 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks