General

  • Target

    file.exe

  • Size

    176KB

  • Sample

    230124-t64csacf79

  • MD5

    412910fbbe122dbc56496e41a8b72b54

  • SHA1

    8a5f50d644c56702b7edb16ee368a64bef7aea24

  • SHA256

    74b86eed28104c9f459d08d48044192745239f643d8896892acf46ce60deb3fc

  • SHA512

    6f69dc1e2c357eaf2f47258b30e84ee2d80579ad1ea145b2385995c6a257ec8ddf5efb3608e77724c16f9a9b936c46b205b0133a3e141b1b84c2f9e8072da66d

  • SSDEEP

    3072:ABN2XdPtLzQWbQ5p8F69mKG5DdWNNO/pOdj0V/E0PVPVGss:oYLMWbNPR+lE/3fG

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

      412910fbbe122dbc56496e41a8b72b54

    • SHA1

      8a5f50d644c56702b7edb16ee368a64bef7aea24

    • SHA256

      74b86eed28104c9f459d08d48044192745239f643d8896892acf46ce60deb3fc

    • SHA512

      6f69dc1e2c357eaf2f47258b30e84ee2d80579ad1ea145b2385995c6a257ec8ddf5efb3608e77724c16f9a9b936c46b205b0133a3e141b1b84c2f9e8072da66d

    • SSDEEP

      3072:ABN2XdPtLzQWbQ5p8F69mKG5DdWNNO/pOdj0V/E0PVPVGss:oYLMWbNPR+lE/3fG

    • 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