General

  • Target

    S0FTWARE.rar

  • Size

    21.4MB

  • Sample

    240930-nchw4asbnm

  • MD5

    9e836a69e0bbdc74c826da13227f78b7

  • SHA1

    ae7b5cba4cf8bd0baf276785d073fbc4cc84b1df

  • SHA256

    4aaa1052ec1148f52506afe6087c885b979b2b4923df82b142eb007d160656d5

  • SHA512

    10997f3544277d4e3db862fbef2e1a373ef0b700b53eef8de26452cf9facc60afbb12ade59c2783a7a1ca7d6cba5e4eceb46f58cad909f3c4f38168a61e6a886

  • SSDEEP

    393216:1RFfxJKFA4VNEMPa/TacMM8McH3YYCKoEt2WW8VqQhqfyDCQ8ppqb76U/q:DFfaVNyaXM8MKCK5z3Vqqqq+T+Nq

Malware Config

Extracted

Family

vidar

Version

11

Botnet

346a77fbabba142b23c256004b5a7c5d

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Targets

    • Target

      S0FTWARE.rar

    • Size

      21.4MB

    • MD5

      9e836a69e0bbdc74c826da13227f78b7

    • SHA1

      ae7b5cba4cf8bd0baf276785d073fbc4cc84b1df

    • SHA256

      4aaa1052ec1148f52506afe6087c885b979b2b4923df82b142eb007d160656d5

    • SHA512

      10997f3544277d4e3db862fbef2e1a373ef0b700b53eef8de26452cf9facc60afbb12ade59c2783a7a1ca7d6cba5e4eceb46f58cad909f3c4f38168a61e6a886

    • SSDEEP

      393216:1RFfxJKFA4VNEMPa/TacMM8McH3YYCKoEt2WW8VqQhqfyDCQ8ppqb76U/q:DFfaVNyaXM8MKCK5z3Vqqqq+T+Nq

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • xmrig

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • 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)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks