Resubmissions

25-08-2024 21:54

240825-1sg1ysyfqm 6

25-08-2024 21:13

240825-z23hksxamj 10

25-08-2024 21:11

240825-z1nm2awhnq 10

25-08-2024 17:48

240825-wdwtcawekd 6

General

  • Target

    GT743.7z

  • Size

    14.1MB

  • Sample

    240825-z1nm2awhnq

  • MD5

    a93d9cc42310a673374ba982bd1b8999

  • SHA1

    a33f91ef44cdc246b8438e021ca69d6488cfefc9

  • SHA256

    57fc6db0df25bde1c562461f02760e9431fa3ed31212406313458a8392dc6859

  • SHA512

    27b19cbe134662da9f65e134cfa5c67bb8f1e2d6e8f2fe95684f1b405bd8047e15e9e3fce4381fb283dff4c5225701d6f611e493c1199434af8123625770de31

  • SSDEEP

    393216:Z3N8qJdZfS41Nvqiyu9Yjk507EU860G6mGGKtQTVHZZfZIGRbA/qWhK:tN8qJdZfaizUk507UbmBK+TDZNRbp

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

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

147.45.47.36:14537

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

10.8

Botnet

e08d1d89739710c3d8e7a76423a5faa7

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

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      File.exe

    • Size

      780.0MB

    • MD5

      4fdc988b81c5abf8eef7f40b65ca39d7

    • SHA1

      55104a5975aefd3c0bf1018947286aff9e079eed

    • SHA256

      0517c0966212689dd31096eae261fd6014e495c43d91fa2df72eb989ff3bd00b

    • SHA512

      24d2186164c8bbc3bd28de17974ae64b68b7c7baef16abdfd18c1a47dc987ffc62c9c7294202cec87564ccb0a6ef5201efa244873cebb4f5d55e979c5853143a

    • SSDEEP

      196608:mvH83m8Nq9jzrGpdg47mWrB0W//nO6UOO:mkW8QjGwSmWKWnOO

    • 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)

    • 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 user/profile data of web browsers

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks