General

  • Target

    S0FTWARE.exe

  • Size

    24.1MB

  • Sample

    241108-xptnssznhq

  • MD5

    56361efbee11f26a7b5b2b84a393ac57

  • SHA1

    bd680c32b13b2c7dfc6347918ff7bbb965331bb9

  • SHA256

    6a2ee5e261768de1cbbf875b9b50112f16753a3138a13b7b0071bf20f28deef0

  • SHA512

    5a6f1c8f25d58743e1724aa4b9db28b4d6308ba27652914dde8cf0b40a81f8b2b2fdc90bb329acb88b6ba64257e7b0dba37166738aa6b717df3b3504b255f068

  • SSDEEP

    786432:IS5nLN6gltLMarF5SujPRhgpDOYqmSDumTNCkAo1TMqTQz6G:IuL

Malware Config

Extracted

Family

vidar

C2

https://t.me/gos90t

https://steamcommunity.com/profiles/76561199800374635

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      S0FTWARE.exe

    • Size

      24.1MB

    • MD5

      56361efbee11f26a7b5b2b84a393ac57

    • SHA1

      bd680c32b13b2c7dfc6347918ff7bbb965331bb9

    • SHA256

      6a2ee5e261768de1cbbf875b9b50112f16753a3138a13b7b0071bf20f28deef0

    • SHA512

      5a6f1c8f25d58743e1724aa4b9db28b4d6308ba27652914dde8cf0b40a81f8b2b2fdc90bb329acb88b6ba64257e7b0dba37166738aa6b717df3b3504b255f068

    • SSDEEP

      786432:IS5nLN6gltLMarF5SujPRhgpDOYqmSDumTNCkAo1TMqTQz6G:IuL

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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

    • Loads dropped DLL

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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