General

  • Target

    903052dc4ec888f7f5bceb743304b9a2.bin

  • Size

    1.7MB

  • Sample

    241222-bvntvaxnh1

  • MD5

    316b1da4b524e637e5d916a111efa4c3

  • SHA1

    0f5b8e07de7f9e0848327ccaec1f34d6ead9ea33

  • SHA256

    8468f99dd28ceed30a7cef27f0c05e0bb44b2e68ea3e0ce05fbf839c09944c62

  • SHA512

    7d3a69227eecd4d45fc9cea07ef29843f4c7ee1d165a6cd29f4ee61e493a4a8b48decd61619e31d56df411d5c1d0fe58be782ddd8521eef4e6f991420c1bd883

  • SSDEEP

    49152:SNvIbcw2Rftx8b52HvRk23450ye8mrv6FVV0Yb4l:gI6xwuP/vrk4l

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

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

cryptbot

Targets

    • Target

      94892ae5c3bee71ad27491e1801b78af3789a15cacc1817de0a970854b841587.exe

    • Size

      2.9MB

    • MD5

      903052dc4ec888f7f5bceb743304b9a2

    • SHA1

      9a915074586344f727528a5fc63b86b6083e291b

    • SHA256

      94892ae5c3bee71ad27491e1801b78af3789a15cacc1817de0a970854b841587

    • SHA512

      fec7879223493c6a05eabfdf1a0769bfacb480a53cf11d5681ad4f9f2694df3a69c7e66928b836ccd316a32beb60c7d56707b6c20283e26af010c8181b779cfa

    • SSDEEP

      49152:tjg19XLi+Kan8iuH0XVdZSsTHdrDquZtqcm0EkBUxOHx:tc197Ian8iuH0XVd0WdrGCBm0ViEx

    • 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

    • 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