General

  • Target

    PokyBilsTGS.exe

  • Size

    322KB

  • Sample

    250328-rqrb6sypy6

  • MD5

    1b044fbca4a8963fb4ab17ab5ae7c2ef

  • SHA1

    c234cc9b4dcb92fdd21ec71bae98745eaf43b7bd

  • SHA256

    7c4aa4a2ab6b2a032881e90f13ddd38b675b0d3db391bfd1a60d55927a483587

  • SHA512

    cf31978386764bb0fd8c12c32e3c354ead48dacbcffe035e07f2a40ba09a418033e47ecb1e79dfbe6dafe03676cb834f2281a8456b82e8e4a13b9ddfac9d6d00

  • SSDEEP

    6144:GmQCJp3wv+eLkfCOuHejhurki9H/WUgCNxwsD7Gm:vHa+ekfxjhurv9eMksD6m

Malware Config

Extracted

Family

vidar

Version

13.3

Botnet

886e3178ef0cef21a6ff7125395660f2

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Targets

    • Target

      PokyBilsTGS.exe

    • Size

      322KB

    • MD5

      1b044fbca4a8963fb4ab17ab5ae7c2ef

    • SHA1

      c234cc9b4dcb92fdd21ec71bae98745eaf43b7bd

    • SHA256

      7c4aa4a2ab6b2a032881e90f13ddd38b675b0d3db391bfd1a60d55927a483587

    • SHA512

      cf31978386764bb0fd8c12c32e3c354ead48dacbcffe035e07f2a40ba09a418033e47ecb1e79dfbe6dafe03676cb834f2281a8456b82e8e4a13b9ddfac9d6d00

    • SSDEEP

      6144:GmQCJp3wv+eLkfCOuHejhurki9H/WUgCNxwsD7Gm:vHa+ekfxjhurv9eMksD6m

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks