General

  • Target

    ecb712a4ce54fd7614cec6e253ad5d15f33a617bd60df8609f867f36c3d9bae0

  • Size

    855KB

  • Sample

    211024-xw3v2sfaa4

  • MD5

    7424bb276b1cca58ee9fb737235583f4

  • SHA1

    773b96ab27535f6d59571493506afbb75442ffdc

  • SHA256

    ecb712a4ce54fd7614cec6e253ad5d15f33a617bd60df8609f867f36c3d9bae0

  • SHA512

    27e15eb86c0d11761aa312fac1527c8d582299b8c2449bab70a9ef840b48c2900f437587e359aa8ea2bdf1b92e70cd769913137de783da59e41f2c77e44ce28b

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

      ecb712a4ce54fd7614cec6e253ad5d15f33a617bd60df8609f867f36c3d9bae0

    • Size

      855KB

    • MD5

      7424bb276b1cca58ee9fb737235583f4

    • SHA1

      773b96ab27535f6d59571493506afbb75442ffdc

    • SHA256

      ecb712a4ce54fd7614cec6e253ad5d15f33a617bd60df8609f867f36c3d9bae0

    • SHA512

      27e15eb86c0d11761aa312fac1527c8d582299b8c2449bab70a9ef840b48c2900f437587e359aa8ea2bdf1b92e70cd769913137de783da59e41f2c77e44ce28b

    • 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