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General

  • Target

    c3269a1d5644effdf2071a8437d4def5644074bcac0b73715ca891f6b10f5274.exe

  • Size

    2.9MB

  • Sample

    241222-cyv8rszncj

  • MD5

    cae8a411cf8f2223c645dae80819489b

  • SHA1

    e8a4d2c9a8ed23bb0525a609877c8ba99b4a4ca8

  • SHA256

    c3269a1d5644effdf2071a8437d4def5644074bcac0b73715ca891f6b10f5274

  • SHA512

    cf1080b4b86a43ec93798534e2d5c0fec370ffeb8950da376847451a4dc1d08557810258ea0f8eae9ef2bf9a95568b253a63161f3be86a61eba9269e3ec4e040

  • SSDEEP

    49152:z1L4zJ33SeUGm7sL++5Y82HJNPLL0TjOE1Z0Pgdc/af:GnKGm70++5F2HrPsjf0Pz

Malware Config

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
1
006700e5a2ab05704bbb0c589b88924d

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

cryptbot

Targets

    • Target

      c3269a1d5644effdf2071a8437d4def5644074bcac0b73715ca891f6b10f5274.exe

    • Size

      2.9MB

    • MD5

      cae8a411cf8f2223c645dae80819489b

    • SHA1

      e8a4d2c9a8ed23bb0525a609877c8ba99b4a4ca8

    • SHA256

      c3269a1d5644effdf2071a8437d4def5644074bcac0b73715ca891f6b10f5274

    • SHA512

      cf1080b4b86a43ec93798534e2d5c0fec370ffeb8950da376847451a4dc1d08557810258ea0f8eae9ef2bf9a95568b253a63161f3be86a61eba9269e3ec4e040

    • SSDEEP

      49152:z1L4zJ33SeUGm7sL++5Y82HJNPLL0TjOE1Z0Pgdc/af:GnKGm70++5F2HrPsjf0Pz

    • 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

    • GCleaner

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

    • Gcleaner family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • Netsupport family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Enumerates VirtualBox registry keys

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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

    • 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

    • 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.

    • Drops file in System32 directory

    • 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

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