General

  • Target

    284147e61bac6fc2ba06269f093c753514e844f4bc6b765703d3b902f0768b3a

  • Size

    1.8MB

  • Sample

    250211-lz2avatkey

  • MD5

    0bd65d719958147c36050e910765ce4d

  • SHA1

    ebac484d5a74c02602497779aa5f698c0d6f12de

  • SHA256

    284147e61bac6fc2ba06269f093c753514e844f4bc6b765703d3b902f0768b3a

  • SHA512

    e2203613eda0b3b85a6267276abaec04d075bd9c3c5d49842c15bf4102788fee1d300cef847796f20156dfcd65fcbf86b495c5943d656af855a57e3885b4c61b

  • SSDEEP

    49152:DR7mYJyM4o8oiKo0yXr/eXIikTJMTXouL+Z:DVmYgro8pKvyaYiw4

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

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

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

Targets

    • Target

      284147e61bac6fc2ba06269f093c753514e844f4bc6b765703d3b902f0768b3a

    • Size

      1.8MB

    • MD5

      0bd65d719958147c36050e910765ce4d

    • SHA1

      ebac484d5a74c02602497779aa5f698c0d6f12de

    • SHA256

      284147e61bac6fc2ba06269f093c753514e844f4bc6b765703d3b902f0768b3a

    • SHA512

      e2203613eda0b3b85a6267276abaec04d075bd9c3c5d49842c15bf4102788fee1d300cef847796f20156dfcd65fcbf86b495c5943d656af855a57e3885b4c61b

    • SSDEEP

      49152:DR7mYJyM4o8oiKo0yXr/eXIikTJMTXouL+Z:DVmYgro8pKvyaYiw4

    • Amadey

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

    • Amadey family

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • 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

    • Windows security modification

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks