General

  • Target

    file.exe

  • Size

    176KB

  • Sample

    230124-we5smsch84

  • MD5

    59c488585bd2026e9801570209b7bd1d

  • SHA1

    353ba91c0096fee87527b1b222a20777eeaf905d

  • SHA256

    bc920b349c0edabf7b151dc527d3d4a31aabc2a24fb8265ead0b36f2695ef88f

  • SHA512

    16690810fc2da536298bb5833bd89d16993fc99cac5d4115bbfe8fcf11e5517e66bf61cf2360360f6ede5ad7bd1921ca28e864fa7c66e9c2938c1ccc17a34b19

  • SSDEEP

    3072:6BN2x8CJLaNLeR5S04YWCQPvuPnIsDzwBKFpWwCjJGV5Os:OCLgLe14YW7PGP1DkBKFAJiO

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

      file.exe

    • Size

      176KB

    • MD5

      59c488585bd2026e9801570209b7bd1d

    • SHA1

      353ba91c0096fee87527b1b222a20777eeaf905d

    • SHA256

      bc920b349c0edabf7b151dc527d3d4a31aabc2a24fb8265ead0b36f2695ef88f

    • SHA512

      16690810fc2da536298bb5833bd89d16993fc99cac5d4115bbfe8fcf11e5517e66bf61cf2360360f6ede5ad7bd1921ca28e864fa7c66e9c2938c1ccc17a34b19

    • SSDEEP

      3072:6BN2x8CJLaNLeR5S04YWCQPvuPnIsDzwBKFpWwCjJGV5Os:OCLgLe14YW7PGP1DkBKFAJiO

    • 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