Resubmissions

29-08-2024 11:56

240829-n32f5asbrl 10

29-08-2024 11:45

240829-nw8a4a1hkr 7

General

  • Target

    File.rar

  • Size

    3.5MB

  • Sample

    240829-n32f5asbrl

  • MD5

    79125226647a9467d34237825e6f6ea2

  • SHA1

    364711e43aa15b5432396d65c0850ffe4051775f

  • SHA256

    b936dc76c796a7ec52e4ecae7c99f3982236c23aa163150f906191ea6a73a460

  • SHA512

    de89cd0f0974b3822e21932250c87f0a14535f7777afa64dfc856f086da184ebc065e768cb0ffa78fdcc9a5a205d3031054af305b32c8c505c36387f38c28df4

  • SSDEEP

    98304:aAcPXz0WNZG1GI2zMlj//0CrdMaMqJt5Q+2e:aDAlb8odeUtqxe

Malware Config

Extracted

Family

vidar

Version

10.8

Botnet

3cfc20875310168e85cacc85bfe8cfb9

C2

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Extracted

Family

vidar

Version

10.8

Botnet

d9949d63cb2f6fce6f80667c0c98ea24

C2

https://t.me/jamelwt

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Extracted

Family

stealc

Botnet

W9

C2

http://193.176.190.41

Attributes
  • url_path

    /2fa883eebd632382.php

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

147.45.47.251:2149

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      File.exe

    • Size

      718.9MB

    • MD5

      73c8eb7e19903a2148c890715f2e3200

    • SHA1

      897f8a804ec7799462f8240a3ac9618f3f03ed04

    • SHA256

      002cffcc6cd7faf2340d1daa3698cba35d8e78b181ad64c0683a60a151dd19d4

    • SHA512

      24e298ba4a2e967f55b974e39f1bb2bb552a143e835105434e9fc2c5a4f42f1df47731d0e046982006d35d87f58005aa756b475313d9308f56db488b98f1330c

    • SSDEEP

      12582912:umuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuH:Y

    • Detect Vidar Stealer

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • Drops startup file

    • 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 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

    • 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.

    • 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.

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks