General

  • Target

    999e8cef8a2dcf76ee5a6dca1569e6c00b24413df37391acf591b6eaf8b2ef4a

  • Size

    1.8MB

  • Sample

    220724-vkvn7abgb9

  • MD5

    1aa29a74535eab9110dc73d2dbaad31b

  • SHA1

    7ba43b556044333170020aaa39989dde05de9086

  • SHA256

    999e8cef8a2dcf76ee5a6dca1569e6c00b24413df37391acf591b6eaf8b2ef4a

  • SHA512

    1b9f56bb452b9d44534283050906b394decd3393516fce0a67097e348f8f17e02e3790a792bd1dd5b523666c5c64a8cba2fcb29acd410c54ee7fa26db7493250

Malware Config

Extracted

Family

vidar

Version

13.9

Botnet

223

C2

http://weimachel.net/

Attributes
  • profile_id

    223

Targets

    • Target

      999e8cef8a2dcf76ee5a6dca1569e6c00b24413df37391acf591b6eaf8b2ef4a

    • Size

      1.8MB

    • MD5

      1aa29a74535eab9110dc73d2dbaad31b

    • SHA1

      7ba43b556044333170020aaa39989dde05de9086

    • SHA256

      999e8cef8a2dcf76ee5a6dca1569e6c00b24413df37391acf591b6eaf8b2ef4a

    • SHA512

      1b9f56bb452b9d44534283050906b394decd3393516fce0a67097e348f8f17e02e3790a792bd1dd5b523666c5c64a8cba2fcb29acd410c54ee7fa26db7493250

    • Vidar

      Vidar is an infostealer based on Arkei 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks