General

  • Target

    cb4c35d17136af65b4eff25120bf21b1ef857d985f50ec4f015de008629fdf74

  • Size

    5.5MB

  • Sample

    250325-pvpb9szlt7

  • MD5

    a1e237b0a0be86a206bdad00fdf9c888

  • SHA1

    a22650c86fa1d919ffc36522cb078c218754328a

  • SHA256

    cb4c35d17136af65b4eff25120bf21b1ef857d985f50ec4f015de008629fdf74

  • SHA512

    74fda918107ea7b82c24d9609f1b63e7be1c04f2c61fadcf4b2a213f05af1c731eb52f7aaf5d5fc8de3edde5f3a22f1db7c1db2be5294629682f9de6c7c2a7b4

  • SSDEEP

    98304:hlQ5HXyIqLaRLRdNBRq955rw+q1idWNjQ++dhuMK/hzluSzcUrxr91Ba29KEvSa8:85jqKfqW1isNVhzlcSJLjg

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/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

stealc

Botnet

trump

C2

http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Targets

    • Target

      cb4c35d17136af65b4eff25120bf21b1ef857d985f50ec4f015de008629fdf74

    • Size

      5.5MB

    • MD5

      a1e237b0a0be86a206bdad00fdf9c888

    • SHA1

      a22650c86fa1d919ffc36522cb078c218754328a

    • SHA256

      cb4c35d17136af65b4eff25120bf21b1ef857d985f50ec4f015de008629fdf74

    • SHA512

      74fda918107ea7b82c24d9609f1b63e7be1c04f2c61fadcf4b2a213f05af1c731eb52f7aaf5d5fc8de3edde5f3a22f1db7c1db2be5294629682f9de6c7c2a7b4

    • SSDEEP

      98304:hlQ5HXyIqLaRLRdNBRq955rw+q1idWNjQ++dhuMK/hzluSzcUrxr91Ba29KEvSa8:85jqKfqW1isNVhzlcSJLjg

    • 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

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • 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.

    • 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.

    • Drops desktop.ini file(s)

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks