General

  • Target

    eadbad94a4ef1b106f1309fdde748c49d606fc04589fc079853292b0c4ee136f.exe

  • Size

    3.1MB

  • Sample

    241214-reffjawlhk

  • MD5

    3b7f8ea6d98d68edd65a49c922671468

  • SHA1

    e5d999ecc81a188bfa758af9980ecf55038527b3

  • SHA256

    eadbad94a4ef1b106f1309fdde748c49d606fc04589fc079853292b0c4ee136f

  • SHA512

    b1c681a7d50033487b93c5566c77cac6d53650032f9e741e8bbe45d781c6ce2388c211895447d51c7d1f274a4a5863a959980ba24358f634cf2b5e41285f5109

  • SSDEEP

    49152:B4z6DN0EtR+4tYqLs4eaBq9PTX0kpQW3XyuVL:uzQ0EtRjtYqLDeaBc4bYy0

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

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://drive-connect.cyou/api

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

xworm

C2

107.189.17.186:7000

Mutex

1DV67HmcQRTX3PrL

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

redline

Botnet

LiseCloud -- LiveTraffic

C2

107.189.17.186:28269

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

https://tacitglibbr.biz/api

https://immureprech.biz/api

https://deafeninggeh.biz/api

Extracted

Family

redline

Botnet

fvcxcx

C2

185.81.68.147:1912

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

82.64.156.123:80

Mutex

9mzImB3NUR0Q

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      eadbad94a4ef1b106f1309fdde748c49d606fc04589fc079853292b0c4ee136f.exe

    • Size

      3.1MB

    • MD5

      3b7f8ea6d98d68edd65a49c922671468

    • SHA1

      e5d999ecc81a188bfa758af9980ecf55038527b3

    • SHA256

      eadbad94a4ef1b106f1309fdde748c49d606fc04589fc079853292b0c4ee136f

    • SHA512

      b1c681a7d50033487b93c5566c77cac6d53650032f9e741e8bbe45d781c6ce2388c211895447d51c7d1f274a4a5863a959980ba24358f634cf2b5e41285f5109

    • SSDEEP

      49152:B4z6DN0EtR+4tYqLs4eaBq9PTX0kpQW3XyuVL:uzQ0EtRjtYqLDeaBc4bYy0

    • Amadey

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

    • Amadey family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

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

    • Lumma family

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Redline family

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Sectoprat family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • xmrig

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

    • Async RAT payload

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

    • Renames multiple (8929) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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.

    • Drops startup file

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • 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