General

  • Target

    bfa1b92e7d23318d2085ab0b4cccbb7a.exe

  • Size

    2.9MB

  • Sample

    250227-hbw5fayvfv

  • MD5

    bfa1b92e7d23318d2085ab0b4cccbb7a

  • SHA1

    fd1e1b1ee69bd0a5942c8bdd1f5762c0db060ce4

  • SHA256

    f5551fdfa38b97acefcfb04980299dd491c62676af55f14f57ea11e4fe64d699

  • SHA512

    3e8fc482bf521daa60dae447bfbcfa8d43e3365ca2a70d01d95292a6ba5207ee244640fb5b823f7f2934d60f542329116348fc33f4c0d6a2c7d6263f346dca49

  • SSDEEP

    49152:P/2bh/isGdH8w29VI2Q9rsPKu6cp2EL0qso/m:X2QDdcr9VI20o7zwEL0q7u

Malware Config

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

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

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

Extracted

Family

amadey

Version

5.21

Botnet

a4d2cd

C2

http://cobolrationumelawrtewarms.com

http://�������� jlgenfekjlfnvtgpegkwr.xyz

Attributes
  • install_dir

    a58456755d

  • install_file

    Gxtuum.exe

  • strings_key

    00fadbeacf092dfd58b48ef4ac68f826

  • url_paths

    /3ofn3jf3e2ljk/index.php

rc4.plain

Extracted

Family

lumma

C2

https://paleboreei.biz/api

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

redline

Botnet

testproliv

C2

45.155.103.183:1488

Targets

    • Target

      bfa1b92e7d23318d2085ab0b4cccbb7a.exe

    • Size

      2.9MB

    • MD5

      bfa1b92e7d23318d2085ab0b4cccbb7a

    • SHA1

      fd1e1b1ee69bd0a5942c8bdd1f5762c0db060ce4

    • SHA256

      f5551fdfa38b97acefcfb04980299dd491c62676af55f14f57ea11e4fe64d699

    • SHA512

      3e8fc482bf521daa60dae447bfbcfa8d43e3365ca2a70d01d95292a6ba5207ee244640fb5b823f7f2934d60f542329116348fc33f4c0d6a2c7d6263f346dca49

    • SSDEEP

      49152:P/2bh/isGdH8w29VI2Q9rsPKu6cp2EL0qso/m:X2QDdcr9VI20o7zwEL0q7u

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • RedLine

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

    • RedLine payload

    • Redline 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

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Sets service image path in registry

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks