General

  • Target

    d2bdb0a6fb9523c729e6e583e32ae21986b5df4de47217a2d0cfdf218cda954c

  • Size

    857KB

  • Sample

    211025-bc29hsfdf6

  • MD5

    7034599a9c9deede732ccaf727395335

  • SHA1

    3f0cbbf1413e36898e5fb55989461f085f474f94

  • SHA256

    d2bdb0a6fb9523c729e6e583e32ae21986b5df4de47217a2d0cfdf218cda954c

  • SHA512

    94f8d3313844363374bbb0e136642579c3cb6442df8bdc4a1b888819c1c26a4bf516ffff636c99a45e6eadc84c618388aee6746ce48548c66d1b3ee49e3418ba

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Extracted

Family

djvu

C2

http://rlrz.org/fhsgtsspen6

Targets

    • Target

      d2bdb0a6fb9523c729e6e583e32ae21986b5df4de47217a2d0cfdf218cda954c

    • Size

      857KB

    • MD5

      7034599a9c9deede732ccaf727395335

    • SHA1

      3f0cbbf1413e36898e5fb55989461f085f474f94

    • SHA256

      d2bdb0a6fb9523c729e6e583e32ae21986b5df4de47217a2d0cfdf218cda954c

    • SHA512

      94f8d3313844363374bbb0e136642579c3cb6442df8bdc4a1b888819c1c26a4bf516ffff636c99a45e6eadc84c618388aee6746ce48548c66d1b3ee49e3418ba

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks