General

  • Target

    86cd46f57887bb06b0908e4e082f09e4.exe

  • Size

    3.1MB

  • Sample

    250227-x5ql3sxlt6

  • MD5

    86cd46f57887bb06b0908e4e082f09e4

  • SHA1

    2224ebe3236a19ce11813a9a58ac417e38efdc98

  • SHA256

    fe674dea7f07e1e0320496f3ce1b42b0e7f3b406b2b482ebcd06bbaee14865d6

  • SHA512

    f0a644ee377713d39fb292614f313d7c5a2328ae37f3def9a9efc8018387166f9b470cd8ea4e1a88ab009123d4d96a77f5818ee72631799aad80c098a2c9db2e

  • SSDEEP

    49152:MYX+D+eQiBooF3sC3iKxjFQz32pilmD5aj9yBYaC5k3U:e+eQ493s4iImz3oiQQj4BYajE

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

      86cd46f57887bb06b0908e4e082f09e4.exe

    • Size

      3.1MB

    • MD5

      86cd46f57887bb06b0908e4e082f09e4

    • SHA1

      2224ebe3236a19ce11813a9a58ac417e38efdc98

    • SHA256

      fe674dea7f07e1e0320496f3ce1b42b0e7f3b406b2b482ebcd06bbaee14865d6

    • SHA512

      f0a644ee377713d39fb292614f313d7c5a2328ae37f3def9a9efc8018387166f9b470cd8ea4e1a88ab009123d4d96a77f5818ee72631799aad80c098a2c9db2e

    • SSDEEP

      49152:MYX+D+eQiBooF3sC3iKxjFQz32pilmD5aj9yBYaC5k3U:e+eQ493s4iImz3oiQQj4BYajE

    • 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

      Run Powershell and hide display window.

    • 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

    • 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