General

  • Target
    d9da99c84aabbb2498b2ffef9210dce5a5a8ff9cac512f7bb3c50f68dd8ea043
  • Size 1.8MB
  • Sample240607-b8py3aff5y
  • SHA256 d9da99c84aabbb2498b2ffef9210dce5a5a8ff9cac512f7bb3c50f68dd8ea043
  • 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
  • 4.21

Botnet
  • 0e6740

C2
  • http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/index.php

rc4.plain

Extracted

Family
  • risepro

C2
  • 147.45.47.126:58709

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
  • redline

Botnet
  • newbild

C2
  • 185.215.113.67:40960

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • 185.91.127.220:7000

Mutex
  • J7nl5MwCxTq9hrOG

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family
  • redline

Botnet
  • @LOGSCLOUDYT_BOT

C2
  • 185.172.128.33:8970

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
  • 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
  • lumma

C2
  • https://distincttangyflippan.shop/api

Targets

    • Target
      d9da99c84aabbb2498b2ffef9210dce5a5a8ff9cac512f7bb3c50f68dd8ea043
    • Size 1.8MB
    • SHA256 d9da99c84aabbb2498b2ffef9210dce5a5a8ff9cac512f7bb3c50f68dd8ea043
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Detect Xworm Payload

    • 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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Xworm

      Xworm is a remote access trojan written in C#.

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

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • 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

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Sets service image path in registry

    • 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

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks