General

  • Target

    random.exe

  • Size

    938KB

  • Sample

    250504-wdvlaabn9s

  • MD5

    17a0b6f4810902e4929ae827ae42f20a

  • SHA1

    7d86de05e67427f0effc8eb79a7d2c2c535a4d26

  • SHA256

    3b7f93bf1f6a0b3b362831c609fff8b09fed176e98067938b8d20b5657c3072f

  • SHA512

    9c4ec063ab3d71e8eb3fb9735019be101ee52d52180fd074348ea23cf6bddb69ece142c2ccd4bf406ca76a26e89db28169b46a38c3560ddea59abce90ede239c

  • SSDEEP

    24576:lqDEvCTbMWu7rQYlBQcBiT6rprG8aw5g:lTvC/MTQYxsWR7aw5

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://80.64.18.219/testmine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://80.64.18.219/testmine/random.exe

Extracted

Family

vidar

Version

13.6

Botnet

67fbfb451f5f631daf82f1ea6227222f

C2

https://t.me/m00f3r

https://steamcommunity.com/profiles/76561199851454339

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

Extracted

Family

phorphiex

C2

http://185.156.72.39

Extracted

Family

lumma

C2

https://orjinalecza.net/lxaz

https://eczakozmetik.net/qop

https://orijinalecza.org/jub

https://tortoisgfe.top/paxk

https://eczamedikal.org/vax

https://orijinalecza.net/kazd

https://medicalbitkisel.net/juj

https://snakejh.top/adsk

https://vecturar.top/zsia

Targets

    • Target

      random.exe

    • Size

      938KB

    • MD5

      17a0b6f4810902e4929ae827ae42f20a

    • SHA1

      7d86de05e67427f0effc8eb79a7d2c2c535a4d26

    • SHA256

      3b7f93bf1f6a0b3b362831c609fff8b09fed176e98067938b8d20b5657c3072f

    • SHA512

      9c4ec063ab3d71e8eb3fb9735019be101ee52d52180fd074348ea23cf6bddb69ece142c2ccd4bf406ca76a26e89db28169b46a38c3560ddea59abce90ede239c

    • SSDEEP

      24576:lqDEvCTbMWu7rQYlBQcBiT6rprG8aw5g:lTvC/MTQYxsWR7aw5

    • Detect Vidar Stealer

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Phorphiex family

    • Phorphiex payload

    • Phorphiex, Phorpiex

      Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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 BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks