General

  • Target

    1724973785.6981096_FileApp.exe

  • Size

    3.5MB

  • Sample

    240829-3dheaaybmq

  • MD5

    6733b05a59cc7d3282e1f65dbd035ce8

  • SHA1

    4b7e5c39a9e7026d4e56238b08356df1f291cee4

  • SHA256

    c5f00d88411a33a7dfd7881d2d1ef45764f6a391b0e1534532bebba7b26bebfc

  • SHA512

    74633031a3906cd9e4855f9f6adb3e3def3684635b4ea741be1ccd70e83a934916fea5c2b98632be8d928b78882bcee4aca5621e7adfc8f650c5b4a861eae614

  • SSDEEP

    49152:CFeCpd9HxrLr9xHMtMFRgUkYxZKXkgW9pUgLMRXlhWZ+52GeqooQ7wtwrn:CwCpbU2XZgWukZ+VDooyswrn

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

1f3c236c672ff2ffe017b396f834c66e

C2

http://147.45.68.138:80

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

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

stealc

Botnet

leva

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

147.45.47.251:2149

Targets

    • Target

      1724973785.6981096_FileApp.exe

    • Size

      3.5MB

    • MD5

      6733b05a59cc7d3282e1f65dbd035ce8

    • SHA1

      4b7e5c39a9e7026d4e56238b08356df1f291cee4

    • SHA256

      c5f00d88411a33a7dfd7881d2d1ef45764f6a391b0e1534532bebba7b26bebfc

    • SHA512

      74633031a3906cd9e4855f9f6adb3e3def3684635b4ea741be1ccd70e83a934916fea5c2b98632be8d928b78882bcee4aca5621e7adfc8f650c5b4a861eae614

    • SSDEEP

      49152:CFeCpd9HxrLr9xHMtMFRgUkYxZKXkgW9pUgLMRXlhWZ+52GeqooQ7wtwrn:CwCpbU2XZgWukZ+VDooyswrn

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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