General

  • Target

    6ae709dc87cfa62fb7ea41b7960b38b0.exe

  • Size

    5.7MB

  • Sample

    210525-636ddnn15j

  • MD5

    6ae709dc87cfa62fb7ea41b7960b38b0

  • SHA1

    4a270ede7e07c409d9c0f44daee4c96e5ff1e0d9

  • SHA256

    3c2fa1d04daaea31991c29bb4118c3d146a50815a033ea5ae325c3171ebdf713

  • SHA512

    b92e39247f75e4f7603d8470ec278575b7fecad0de4b28366e3a828a82be64d9c0b43d80de9afce7d76e178676727e6b93098f60de6c3614868b95cf458d069f

Malware Config

Extracted

Family

vidar

Version

38.8

Botnet

827

C2

https://HAL9THapi.faceit.comlegomind

Attributes
  • profile_id

    827

Targets

    • Target

      6ae709dc87cfa62fb7ea41b7960b38b0.exe

    • Size

      5.7MB

    • MD5

      6ae709dc87cfa62fb7ea41b7960b38b0

    • SHA1

      4a270ede7e07c409d9c0f44daee4c96e5ff1e0d9

    • SHA256

      3c2fa1d04daaea31991c29bb4118c3d146a50815a033ea5ae325c3171ebdf713

    • SHA512

      b92e39247f75e4f7603d8470ec278575b7fecad0de4b28366e3a828a82be64d9c0b43d80de9afce7d76e178676727e6b93098f60de6c3614868b95cf458d069f

    • ElysiumStealer

      ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Vidar Stealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Program crash

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks