General

  • Target

    75feb5227095b1fdb72953933df3e907.exe

  • Size

    3.0MB

  • Sample

    250227-x6c3dawvat

  • MD5

    75feb5227095b1fdb72953933df3e907

  • SHA1

    82c65fd8b1b296003dea002dd0a640a23063fb23

  • SHA256

    6d4e4eafdd4a46ea7c96557580c7c39f1d850bb0b6ed1ddfaf884ea7b675df65

  • SHA512

    c9406d2e563b34003950a767331c2673d3e823a24c2a713dff33db2c43df818b7dfcfafe6e62794bff6efdddfd9e0e3f3627117148ecdfb182434047c882a418

  • SSDEEP

    49152:bwS/EH+l/uCNZlZ0ws0642Yu6EM1+ZdWSAv4W1UF/LYYmID4:bNEHIlZ01069Yu6EncA/wID

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

systembc

C2

towerbingobongoboom.com

93.186.202.3

Attributes
  • dns

    5.132.191.104

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Targets

    • Target

      75feb5227095b1fdb72953933df3e907.exe

    • Size

      3.0MB

    • MD5

      75feb5227095b1fdb72953933df3e907

    • SHA1

      82c65fd8b1b296003dea002dd0a640a23063fb23

    • SHA256

      6d4e4eafdd4a46ea7c96557580c7c39f1d850bb0b6ed1ddfaf884ea7b675df65

    • SHA512

      c9406d2e563b34003950a767331c2673d3e823a24c2a713dff33db2c43df818b7dfcfafe6e62794bff6efdddfd9e0e3f3627117148ecdfb182434047c882a418

    • SSDEEP

      49152:bwS/EH+l/uCNZlZ0ws0642Yu6EM1+ZdWSAv4W1UF/LYYmID4:bNEHIlZ01069Yu6EncA/wID

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • 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.

    • 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.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • 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.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks