General

  • Target

    1.exe

  • Size

    334.9MB

  • Sample

    220429-r9gxvafgbq

  • MD5

    da82d43043c101f25633c258f527c9d5

  • SHA1

    75c80701c253990fd6bd60a76c96315be9c30b6a

  • SHA256

    8a2a200ae56ff80f9d861d72f9ad8f5d3d57bf8ae600e5b376a6e2bb89996dfd

  • SHA512

    cf032783137f1a577bb144d42e8479d65394f1e203f5ccb25e2e034eca189009d284d618de378396a52fc8f9e4d7c8b15c6edcce2f301ade1515f260f1f9ab08

Malware Config

Extracted

Family

vidar

Version

51.9

Botnet

1281

C2

https://koyu.space/@ronxik123

Attributes
  • profile_id

    1281

Targets

    • Target

      1.exe

    • Size

      334.9MB

    • MD5

      da82d43043c101f25633c258f527c9d5

    • SHA1

      75c80701c253990fd6bd60a76c96315be9c30b6a

    • SHA256

      8a2a200ae56ff80f9d861d72f9ad8f5d3d57bf8ae600e5b376a6e2bb89996dfd

    • SHA512

      cf032783137f1a577bb144d42e8479d65394f1e203f5ccb25e2e034eca189009d284d618de378396a52fc8f9e4d7c8b15c6edcce2f301ade1515f260f1f9ab08

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata: ET MALWARE W32/Agent.OGR!tr.pws 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.

    • Checks computer location settings

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

    • Deletes itself

    • 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

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks