General

  • Target

    file.exe

  • Size

    3.2MB

  • Sample

    241208-zwkqksypgr

  • MD5

    8310dd77fc508989327b7242d9f00757

  • SHA1

    0f47666d19e93f838bf9e2d67a1a0c42dd2561f2

  • SHA256

    306e3f1775f8481fe89d3575b57d8bcab355e9d55d1b66cbf7b246f8bd2a3dd0

  • SHA512

    279770c1ae7698765dca0a7d4cffb6695381f8513ac12283c6e77b80cfd198d2a16c1ed12854f17ca8f91089632bbae65278bf8d157ec01fc3538cdc4416e697

  • SSDEEP

    49152:eKsUSrfMdl+qB2OAS4aNPTET48NqCnf9lZOUdcczoJ:eTUqMdQshAS4aNP58NqClPdw

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://atten-supporse.biz/api

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

45.200.148.155:6060

Mutex

4b3820e0-d123-49d9-b51e-3c4daa4f6874

Attributes
  • encryption_key

    F8879E9B26846C57C99B6F152F74703E1CC15B8B

  • install_name

    SecurityHealthSystray.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SecurityHealthSystray.exe

  • subdirectory

    SubDir

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

Targets

    • Target

      file.exe

    • Size

      3.2MB

    • MD5

      8310dd77fc508989327b7242d9f00757

    • SHA1

      0f47666d19e93f838bf9e2d67a1a0c42dd2561f2

    • SHA256

      306e3f1775f8481fe89d3575b57d8bcab355e9d55d1b66cbf7b246f8bd2a3dd0

    • SHA512

      279770c1ae7698765dca0a7d4cffb6695381f8513ac12283c6e77b80cfd198d2a16c1ed12854f17ca8f91089632bbae65278bf8d157ec01fc3538cdc4416e697

    • SSDEEP

      49152:eKsUSrfMdl+qB2OAS4aNPTET48NqCnf9lZOUdcczoJ:eTUqMdQshAS4aNP58NqClPdw

    • 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

    • Modifies Windows Defender Real-time Protection settings

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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 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 cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks