General

  • Target
    967c67b78b2e97da1b66ab515306bb821fdaf795b7733424eb32cc81fc156410
  • Size 1.8MB
  • Sample240607-a7wjsafg32
  • SHA256 967c67b78b2e97da1b66ab515306bb821fdaf795b7733424eb32cc81fc156410
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Family
  • amadey

Version
  • 8254624243

Botnet
  • e76b71

C2
  • http://77.91.77.81

Attributes
  • install_dir

    8254624243

  • install_file

    axplong.exe

  • strings_key

    90049e51fabf09df0d6748e0b271922e

  • url_paths

    /Kiru9gu/index.php

rc4.plain

Extracted

Family
  • amadey

Version
  • 4.21

Botnet
  • 9a3efc

C2
  • http://check-ftp.ru

Attributes
  • install_dir

    b9695770f1

  • install_file

    Dctooux.exe

  • strings_key

    1d3a0f2941c4060dba7f23a378474944

  • url_paths

    /forum/index.php

rc4.plain

Extracted

Family
  • redline

Botnet
  • newbild

C2
  • 185.215.113.67:40960

Extracted

Family
  • redline

Botnet
  • @LOGSCLOUDYT_BOT

C2
  • 185.172.128.33:8970

Extracted

Family
  • amadey

Version
  • 4.19

Botnet
  • 8fc809

C2
  • http://nudump.com

  • http://otyt.ru

  • http://selltix.org

Attributes
  • install_dir

    b739b37d80

  • install_file

    Dctooux.exe

  • strings_key

    65bac8d4c26069c29f1fd276f7af33f3

  • url_paths

    /forum/index.php

    /forum2/index.php

    /forum3/index.php

rc4.plain

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • 185.91.127.220:7000

Mutex
  • J7nl5MwCxTq9hrOG

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family
  • lumma

C2
  • https://macabrecondfucews.shop/api

  • https://distincttangyflippan.shop/api

  • https://greentastellesqwm.shop/api

  • https://stickyyummyskiwffe.shop/api

  • https://sturdyregularrmsnhw.shop/api

  • https://lamentablegapingkwaq.shop/api

  • https://innerverdanytiresw.shop/api

  • https://standingcomperewhitwo.shop/api

Targets

    • Target
      967c67b78b2e97da1b66ab515306bb821fdaf795b7733424eb32cc81fc156410
    • Size 1.8MB
    • SHA256 967c67b78b2e97da1b66ab515306bb821fdaf795b7733424eb32cc81fc156410
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Detect Xworm Payload

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • RedLine

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

    • RedLine payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

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

    • Modifies boot configuration data using bcdedit

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • Modifies Windows Firewall

    • 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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Writes to the Master Boot Record (MBR)

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks