General

  • Target

    index.exe

  • Size

    3.2MB

  • Sample

    250701-jcjfeahj2s

  • MD5

    4c630c2ff10f9c36899fede76568cc6e

  • SHA1

    3a26f0af68231e8a3a43a6b8a385c15f60707030

  • SHA256

    7d2c0e1f7d1c9a8afcd1ed30b96c0637edce7f7c3cde0ff70a606b850ca9e1eb

  • SHA512

    879835e63dd4ddbedce75a245d399dc9d3b21691e82bfd2e2728a68c88964e906d875c281bb36d33f5f2f453758a53f9c9074be8b5ea4c6d0ca63aab997b3dac

  • SSDEEP

    49152:7B6E1HUxTpcCMgiYwCVfhctthWbNdOcoZayiNYuIN7Dia3wcagPl0uIF8J8OFo9l:FD0xT3RpmtybloIy2+jwcTlkF80tBmg

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.156.72.2/testmine/random.exe

Extracted

Family

amadey

Version

5.50

Botnet

30b25e

C2

http://31.43.185.30

Attributes
  • install_dir

    321c2a24e4

  • install_file

    dumer.exe

  • strings_key

    7ee2dad1150ef9038dda28ed93be4b54

  • url_paths

    /ku9f3ton/index.php

rc4.plain

Extracted

Family

lumma

C2

https://rbmlh.xyz/lakd

https://pacwpw.xyz/qwpr

https://comkxjs.xyz/taox

https://unurew.xyz/anhd

https://trsuv.xyz/gait

https://sqgzl.xyz/taoa

https://cexpxg.xyz/airq

https://urarfx.xyz/twox

https://liaxn.xyz/nbzh

Attributes
  • build_id

    ecab7038fbdc10a17655f06eee262e6e0e4db94f42

Targets

    • Target

      index.exe

    • Size

      3.2MB

    • MD5

      4c630c2ff10f9c36899fede76568cc6e

    • SHA1

      3a26f0af68231e8a3a43a6b8a385c15f60707030

    • SHA256

      7d2c0e1f7d1c9a8afcd1ed30b96c0637edce7f7c3cde0ff70a606b850ca9e1eb

    • SHA512

      879835e63dd4ddbedce75a245d399dc9d3b21691e82bfd2e2728a68c88964e906d875c281bb36d33f5f2f453758a53f9c9074be8b5ea4c6d0ca63aab997b3dac

    • SSDEEP

      49152:7B6E1HUxTpcCMgiYwCVfhctthWbNdOcoZayiNYuIN7Dia3wcagPl0uIF8J8OFo9l:FD0xT3RpmtybloIy2+jwcTlkF80tBmg

    • Amadey

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

    • Amadey family

    • Lumma Stealer, LummaC

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

    • Lumma family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Contacts a large (584) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • Sets service image path in registry

    • 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

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks