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General

  • Target

    f3d7546937b4791736e3f2182526a0ac22d47060cce53c4ab8e439b65742127b.exe

  • Size

    938KB

  • Sample

    250327-w57pxswwez

  • MD5

    5ec95a42b16d80c72d17cc6d0bac58de

  • SHA1

    9cfd9221606e1acfef1ea5f6f4bf88080822d5db

  • SHA256

    f3d7546937b4791736e3f2182526a0ac22d47060cce53c4ab8e439b65742127b

  • SHA512

    ca64237e9b54295b3162e26808d6c9acbef0640a996534425e21898b456e5117142bfe4d30473d2573ef42d08f0a85475d1cab63153e7b1b573011f67f735f0b

  • SSDEEP

    24576:dqDEvCTbMWu7rQYlBQcBiT6rprG8a0Xu:dTvC/MTQYxsWR7a0X

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

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

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

vidar

Version

13.3

Botnet

11373d37b176b52c098f600f61cdf190

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Extracted

Family

vidar

Version

13.3

Botnet

928af183c2a2807a3c0526e8c0c9369d

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Extracted

Family

vidar

Version

13.3

Botnet

70790cf457f5ee5e9df1780bfa648812

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Targets

    • Target

      f3d7546937b4791736e3f2182526a0ac22d47060cce53c4ab8e439b65742127b.exe

    • Size

      938KB

    • MD5

      5ec95a42b16d80c72d17cc6d0bac58de

    • SHA1

      9cfd9221606e1acfef1ea5f6f4bf88080822d5db

    • SHA256

      f3d7546937b4791736e3f2182526a0ac22d47060cce53c4ab8e439b65742127b

    • SHA512

      ca64237e9b54295b3162e26808d6c9acbef0640a996534425e21898b456e5117142bfe4d30473d2573ef42d08f0a85475d1cab63153e7b1b573011f67f735f0b

    • SSDEEP

      24576:dqDEvCTbMWu7rQYlBQcBiT6rprG8a0Xu:dTvC/MTQYxsWR7a0X

    • 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

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • 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

    • Modifies security service

    • 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

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

    • Stops running service(s)

    • 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

    • Modifies file permissions

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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