General

  • Target

    52946b66de6fc415252ea9cd515d6e599e86239933653dc11e607fe94cbea2de

  • Size

    5.6MB

  • Sample

    250219-dacbesvpaq

  • MD5

    97eadd1425c4ed73f262942879ede6bf

  • SHA1

    0491c1917a0f0b90747696793b4e3a608b6202c0

  • SHA256

    52946b66de6fc415252ea9cd515d6e599e86239933653dc11e607fe94cbea2de

  • SHA512

    21121dcd2ad9283d85e94cc9ce4771845720f5a4496c22fbce773540e7bf7ee2bc5f94690f34f7582b310306c3422ae419452103403db9eb29dc83fa1fbba1bc

  • SSDEEP

    98304:LpdbhIOQV4Uxxfdc/MfrjGzt1Zbztcc/QB9ipVYqG78mhjvKq:bbSHVNdjmzi/eTGImFz

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

systembc

C2

cobolrationumelawrtewarms.co:4001

93.186.202.3:4001

Attributes
  • dns

    5.132.191.104

    ns1.vic.au.dns.opennic.glue

    ns2.vic.au.dns.opennic.glue

Extracted

Family

redline

Botnet

cheat

C2

103.84.89.222:33791

Extracted

Family

stealc

Botnet

default

C2

http://ecozessentials.com

Attributes
  • url_path

    /e6cb1c8fc7cd1659.php

Extracted

Family

vidar

C2

https://t.me/g02f04

https://steamcommunity.com/profiles/76561199828130190

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Targets

    • Target

      52946b66de6fc415252ea9cd515d6e599e86239933653dc11e607fe94cbea2de

    • Size

      5.6MB

    • MD5

      97eadd1425c4ed73f262942879ede6bf

    • SHA1

      0491c1917a0f0b90747696793b4e3a608b6202c0

    • SHA256

      52946b66de6fc415252ea9cd515d6e599e86239933653dc11e607fe94cbea2de

    • SHA512

      21121dcd2ad9283d85e94cc9ce4771845720f5a4496c22fbce773540e7bf7ee2bc5f94690f34f7582b310306c3422ae419452103403db9eb29dc83fa1fbba1bc

    • SSDEEP

      98304:LpdbhIOQV4Uxxfdc/MfrjGzt1Zbztcc/QB9ipVYqG78mhjvKq:bbSHVNdjmzi/eTGImFz

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detect Vidar Stealer

    • Detects Healer an antivirus disabler dropper

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • RedLine

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

    • Redline family

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Sectoprat family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks