General

  • Target

    1d43eaa2b566d2111d938ef9617a65304db66158c4499d8b3a37db3d6607daa9

  • Size

    3.2MB

  • Sample

    241214-t7arvszlhr

  • MD5

    acf48e01c1d4d71dbfde9e5a4b52c38c

  • SHA1

    6950a4271a4e357e3309f553673849ff0d26e3c5

  • SHA256

    1d43eaa2b566d2111d938ef9617a65304db66158c4499d8b3a37db3d6607daa9

  • SHA512

    2013170dc32e9f9e9cc1dbbbc2e3f425a61511635eef161d56815d592537ecc7f0b11209e8d777f3d43cd5db548339d4dcae8d6e6c35ac2046e5936be4fc8299

  • SSDEEP

    49152:4VZvytWJYyZcALa38506hvjjO3Rj7IdzCodAXuLdsCT5ApUxAtfpSS2vpb:ULa3850o76hj7IdmodzdsCTayABYSQb

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

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

lumma

C2

https://tacitglibbr.biz/api

https://immureprech.biz/api

https://deafeninggeh.biz/api

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://176.113.115.178/GO.png

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

Extracted

Family

amadey

Version

5.10

Botnet

03013e

C2

http://185.11.61.104

Attributes
  • install_dir

    0d7d65a8fb

  • install_file

    Gxtuum.exe

  • strings_key

    6a02c43bc60cba83349fcb51d95a69ff

  • url_paths

    /7jbBdsS/index.php

rc4.plain

Targets

    • Target

      1d43eaa2b566d2111d938ef9617a65304db66158c4499d8b3a37db3d6607daa9

    • Size

      3.2MB

    • MD5

      acf48e01c1d4d71dbfde9e5a4b52c38c

    • SHA1

      6950a4271a4e357e3309f553673849ff0d26e3c5

    • SHA256

      1d43eaa2b566d2111d938ef9617a65304db66158c4499d8b3a37db3d6607daa9

    • SHA512

      2013170dc32e9f9e9cc1dbbbc2e3f425a61511635eef161d56815d592537ecc7f0b11209e8d777f3d43cd5db548339d4dcae8d6e6c35ac2046e5936be4fc8299

    • SSDEEP

      49152:4VZvytWJYyZcALa38506hvjjO3Rj7IdzCodAXuLdsCT5ApUxAtfpSS2vpb:ULa3850o76hj7IdmodzdsCTayABYSQb

    • 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

    • 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

    • RedLine

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

    • RedLine payload

    • Redline family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Xmrig 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)

    • 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 to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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.

    • 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.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • 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