Extracted

• • Target
    bf45aaa2a719be3100e203b65989f15f.exe
  • Size 800KB
  • SHA256 cf0a70e19ceb453b5cc477ec510e6fbd8639ee114d4f182a79e150b23dcd09c2
  • MD5 bf45aaa2a719be3100e203b65989f15f
  • SHA1 e4cf990864f8fa14f10f96af2413280fbd291529
  • SHA512 b03772ef21036d9052342169909d66bc5bb0941af1b73e3a5f71261d8b5889ba7ab8efe1bb703758b484bf5f57740cd3b4dc455845b21a258df5d5fe58c6e8a1
  • MD5 SHA1 SHA512

  Score

  10^/10

  djvuvidar517discoveryevasionpersistenceransomwarespywarestealer

  • Deletes Windows Defender Definitions

    Uses mpcmdrun utility to delete all AV definitions.

    evasion

  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar

  • Vidar Stealer

    stealer

  • Disables Task Manager via registry modification

    evasion

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Accesses 2FA software files, possible credential harvesting

    spywarestealer

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • 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

  behavioral1behavioral2