General

  • Target

    GT743.zip

  • Size

    25.1MB

  • Sample

    240826-zmn2mswfnm

  • MD5

    017d8706a804563c7fbf8d51fde0bbb8

  • SHA1

    eb141ce66907b0cb9f74bf488e0c94927b2cee02

  • SHA256

    ec6f2de39e41c60e0dfa4fae3a65c2c50a9ea42574e236b36bc63018323e4ef4

  • SHA512

    1590d566804500bf1ddd39e52f08e861730e53664a5249cba675adbcc5c870d6196f74b53273f3b0f6f571f4158dbf6b23fb60d96790ca300dface5133a5ec32

  • SSDEEP

    786432:L/pddDo90qF5wElgVT8ZQOPN8opc8/T8iqOfqLM:X+L5wElgh7i8opc8/ZqCJ

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

147.45.47.36:14537

Extracted

Family

vidar

Version

10.8

Botnet

5e71ec1eb40990385a580935a765b941

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

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

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

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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks