General

  • Target

    new.7z

  • Size

    12.7MB

  • Sample

    240825-wb11aaxhkn

  • MD5

    89b5e08a3dec44fe9ee843691776b34f

  • SHA1

    5a357fd4b559600658285b38f2a15bd359aa87f7

  • SHA256

    5339854835f35efbead47f0316f3c5b6c7622d9f8524f3965db9dab856da5710

  • SHA512

    858d0900a4b346c1d3137920dbc55d8aa05ffd40febcbd390d3bcc8ede318ae345703447853073c72ad752c8c68df164340ed2ec5eb30a4450660078d51e16b3

  • SSDEEP

    393216:I9iXQZSoaT59dTs7yitAFc9KJHF8yBzk48WeRu2g:ai4SLT59VsXYc03T4N42g

Malware Config

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

147.45.47.36:14537

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.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

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

Targets

    • Target

      FileApp.exe

    • Size

      700.0MB

    • MD5

      043fd5c91f30af1e8ccf540f0ec95012

    • SHA1

      9b295edf164cd6ecd8015c05318d17f57157b02c

    • SHA256

      66ec50e4462ada79582360f410b2012da970c50f9ae3754f81bdc58af3a577a5

    • SHA512

      944caffc5dd65819460c15d5ed655e3c60592b28a9079b4cc1a3ec1238dcb5b5c22babb588d0a1cb125194735fd268732db165fa8c66844dc375b2f52f753516

    • SSDEEP

      98304:tUr3vGNsbo5GbgCpKQaFJrcvYhs4oaNO2RuU:Or3towXM3FuvYmcO24

    • 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