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General

  • Target

    f63b072d3ae4544e5b38781a4929535bb6b6592b5a85094f91b328542178e0a0

  • Size

    2.1MB

  • Sample

    250220-fhesmaymz6

  • MD5

    34a6ac1fec0b84dac8301a70322231df

  • SHA1

    8d9384ae55556cb5a5283a060cf8145a6b37d067

  • SHA256

    f63b072d3ae4544e5b38781a4929535bb6b6592b5a85094f91b328542178e0a0

  • SHA512

    09a422872484ef19a1fc72371b08affd781c9571e96fc293a79df829b62b5188fa9124515e7384e652f333b42f097b6f9044ce37e359d8f9085edf06d28ae567

  • SSDEEP

    49152:YS2K2eIrOz0Vv8u3ANStWoh1nZkzmGY2C4oSqn:YS2K2eIrOAZ8u3AE0ovZkK514Lq

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

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

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

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

cryptbot

C2

http://home.fivenn5sr.top/DoDOGDWnPbpMwhmjDvNk17

Targets

    • Target

      f63b072d3ae4544e5b38781a4929535bb6b6592b5a85094f91b328542178e0a0

    • Size

      2.1MB

    • MD5

      34a6ac1fec0b84dac8301a70322231df

    • SHA1

      8d9384ae55556cb5a5283a060cf8145a6b37d067

    • SHA256

      f63b072d3ae4544e5b38781a4929535bb6b6592b5a85094f91b328542178e0a0

    • SHA512

      09a422872484ef19a1fc72371b08affd781c9571e96fc293a79df829b62b5188fa9124515e7384e652f333b42f097b6f9044ce37e359d8f9085edf06d28ae567

    • SSDEEP

      49152:YS2K2eIrOz0Vv8u3ANStWoh1nZkzmGY2C4oSqn:YS2K2eIrOAZ8u3AE0ovZkK514Lq

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detect Vidar Stealer

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • 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

    • 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

    • Enumerates VirtualBox registry keys

    • 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.

    • Detects GOST tunneling tool

      A simple tunneling tool written in Golang

    • 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 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks