General

  • Target

    211b0b04c2f56d909477c145aecee522.exe

  • Size

    175KB

  • Sample

    230124-rk5bvaca99

  • MD5

    211b0b04c2f56d909477c145aecee522

  • SHA1

    8801e68d2c54e9f26df5a97d796ce75539e6fdeb

  • SHA256

    3403ded5e22e7138f5d7ab52ad1183d607a1072232c87668aad3c4e96c586e29

  • SHA512

    29a8231cfe76577b093970cef6f57dd417f30486c5f576fbd7db206e07cd519389339a9b0b24d315e3c840f1db50e8e17961de8c8a3c7d83c282e0f28bf8cd03

  • SSDEEP

    3072:MBN2DctCL9kh0+5sSK6h4N6nFMALJ2pXceVJmLn:EIL9kh05pN6FMAopXcKJi

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

      211b0b04c2f56d909477c145aecee522.exe

    • Size

      175KB

    • MD5

      211b0b04c2f56d909477c145aecee522

    • SHA1

      8801e68d2c54e9f26df5a97d796ce75539e6fdeb

    • SHA256

      3403ded5e22e7138f5d7ab52ad1183d607a1072232c87668aad3c4e96c586e29

    • SHA512

      29a8231cfe76577b093970cef6f57dd417f30486c5f576fbd7db206e07cd519389339a9b0b24d315e3c840f1db50e8e17961de8c8a3c7d83c282e0f28bf8cd03

    • SSDEEP

      3072:MBN2DctCL9kh0+5sSK6h4N6nFMALJ2pXceVJmLn:EIL9kh05pN6FMAopXcKJi

    • 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