General

  • Target

    random.exe

  • Size

    1.8MB

  • Sample

    250406-geyl1aswht

  • MD5

    ff5c0c7000d1531338ca1946861dc170

  • SHA1

    42884093990c2523ae57eb323fe331aa0528c449

  • SHA256

    cb29d42a11a1e61321f281567a80ef3e8f236658f199645c5c472b377202a666

  • SHA512

    69054d671eaf881b65b3fd7e17db35ab69084d11eb4ef6b199095afe43dbb9e6953a4c3f1d7c959e416ae5e7583ebf80d025641d49d2485eee65e3af8bdad1ff

  • SSDEEP

    49152:LDStBiG7A9z8YWVrvRvRAoGRL72DDN9PD6CAMH:3oBiICzZWlvRop2/N9PO

Malware Config

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

Family

lumma

C2

https://5pepperiop.digital/oage

https://jrxsafer.top/shpaoz

https://plantainklj.run/opafg

https://puerrogfh.live/iqwez

https://quavabvc.top/iuzhd

https://advennture.top/GKsiio

https://targett.top/dsANGt

https://rambutanvcx.run/adioz

https://ywmedici.top/noagis

https://cosmosyf.top/GOsznj

https://yjrxsafer.top/shpaoz

https://krxspint.digital/kendwz

https://rhxhube.run/pogrs

https://grxeasyw.digital/xxepw

https://xrfxcaseq.live/gspaz

https://pepperiop.digital/oage

https://tzpuerrogfh.live/iqwez

https://rodformi.run/aUosoz

https://metalsyo.digital/opsa

https://ironloxp.live/aksdd

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:9000

45.134.39.20:9000

Mutex

oV8zKY7m1pKloRzQ

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

vidar

Version

13.4

Botnet

f942dabea5a58a141236ae72e4720fbf

C2

https://t.me/f07nd

https://steamcommunity.com/profiles/76561199843252735

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

darkvision

C2

82.29.67.160

Attributes
  • url

    http://107.174.192.179/data/003

    https://grabify.link/ZATFQO

    http://107.174.192.179/clean

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Targets

    • Target

      random.exe

    • Size

      1.8MB

    • MD5

      ff5c0c7000d1531338ca1946861dc170

    • SHA1

      42884093990c2523ae57eb323fe331aa0528c449

    • SHA256

      cb29d42a11a1e61321f281567a80ef3e8f236658f199645c5c472b377202a666

    • SHA512

      69054d671eaf881b65b3fd7e17db35ab69084d11eb4ef6b199095afe43dbb9e6953a4c3f1d7c959e416ae5e7583ebf80d025641d49d2485eee65e3af8bdad1ff

    • SSDEEP

      49152:LDStBiG7A9z8YWVrvRvRAoGRL72DDN9PD6CAMH:3oBiICzZWlvRop2/N9PO

    • Amadey

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

    • Amadey family

    • DarkVision Rat

      DarkVision Rat is a trojan written in C++.

    • Darkvision family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies security service

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

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

    • Blocklisted process makes network request

    • 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.

    • Deletes itself

    • 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.

    • Modifies file permissions

    • 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.

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • 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