General

  • Target

    7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969

  • Size

    1.8MB

  • Sample

    240603-gckmcsef35

  • MD5

    ffc05e2526d75156dedfc82180de5d20

  • SHA1

    57acc1b3d60803aacb726124a6f5ad5fdd0b13a2

  • SHA256

    7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969

  • SHA512

    bf6a99d9241d07f42ded9627b2f328b36b675d8c398ac86bac9cc6b886b7f6a0bb816d888506af16cb3742605a1c422ede2141415c0fdc54f8ddf9f988d13de5

  • SSDEEP

    49152:3kKaCYXUrE7BJ2553LPpB5I+ymtxl4yQRPRXq6sOXjQ5:323krE7BJ2r7P9v9x8pXXRzQ5

Malware Config

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

amadey

Version

4.21

Botnet

49e482

C2

http://147.45.47.70

Attributes
  • install_dir

    1b29d73536

  • install_file

    axplont.exe

  • strings_key

    4d31dd1a190d9879c21fac6d87dc0043

  • url_paths

    /tr8nomy/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

asyncrat

Version

AsyncRAT

Botnet

Fresh

C2

pepecasas123.net:4608

Mutex

AsyncMutex_5952

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

redline

Botnet

@LOGSCLOUDYT_BOT

C2

185.172.128.33:8970

Extracted

Family

stealc

Botnet

cuapfss

C2

http://23.88.106.134

Attributes
  • url_path

    /6a9f8e2503d99c04.php

Extracted

Family

lumma

C2

https://roomabolishsnifftwk.shop/api

https://detailbaconroollyws.shop/api

https://museumtespaceorsp.shop/api

https://horsedwollfedrwos.shop/api

https://buttockdecarderwiso.shop/api

https://patternapplauderw.shop/api

https://averageaattractiionsl.shop/api

https://understanndtytonyguw.shop/api

https://femininiespywageg.shop/api

https://employhabragaomlsp.shop/api

https://stalfbaclcalorieeis.shop/api

https://civilianurinedtsraov.shop/api

https://considerrycurrentyws.shop/api

https://messtimetabledkolvk.shop/api

https://deprivedrinkyfaiir.shop/api

https://relaxtionflouwerwi.shop/api

Targets

    • Target

      7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969

    • Size

      1.8MB

    • MD5

      ffc05e2526d75156dedfc82180de5d20

    • SHA1

      57acc1b3d60803aacb726124a6f5ad5fdd0b13a2

    • SHA256

      7dbe77fe18f5636df2fc5869e40c38de100123273ae464c9929bd1f57704f969

    • SHA512

      bf6a99d9241d07f42ded9627b2f328b36b675d8c398ac86bac9cc6b886b7f6a0bb816d888506af16cb3742605a1c422ede2141415c0fdc54f8ddf9f988d13de5

    • SSDEEP

      49152:3kKaCYXUrE7BJ2553LPpB5I+ymtxl4yQRPRXq6sOXjQ5:323krE7BJ2r7P9v9x8pXXRzQ5

    • Amadey

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

    • AsyncRat

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

    • Lumma Stealer

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

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

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

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • UAC bypass

    • Windows security bypass

    • 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 and hide display window.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • 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.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks