General

  • Target

    92647857b90a85cccd32392699cd0c3246acfc49c19abe65c7b5f44ddd5e9fe6

  • Size

    1.8MB

  • Sample

    240602-tbvgdsga5x

  • MD5

    5ed4045ee1ca643d36022cd3ac520dc5

  • SHA1

    a313a4c69e6ecbaebd2e2545f6181855acfb0843

  • SHA256

    92647857b90a85cccd32392699cd0c3246acfc49c19abe65c7b5f44ddd5e9fe6

  • SHA512

    72217bc080ed9dc29a0964b9ba7fcfc62dbfc14bc1fb2d08f8937b10ef621043bef662857b807abed51adb1cda85dd7a8e6b89d5655383ace63dfb9ae7eb3fc9

  • SSDEEP

    49152:zPJArkrfVDbs47xZjdA0F57cZWWCc5Mpxa3:bJAyvHGy5YCfa

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://94.103.188.126/jerry/putty.zip

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

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

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

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

newbild

C2

185.215.113.67:40960

Extracted

Family

lumma

C2

https://roomabolishsnifftwk.shop/api

https://museumtespaceorsp.shop/api

https://buttockdecarderwiso.shop/api

https://detailbaconroollyws.shop/api

https://horsedwollfedrwos.shop/api

https://patternapplauderw.shop/api

https://averageaattractiionsl.shop/api

https://femininiespywageg.shop/api

https://employhabragaomlsp.shop/api

https://stalfbaclcalorieeis.shop/api

https://civilianurinedtsraov.shop/api

https://understanndtytonyguw.shop/api

https://considerrycurrentyws.shop/api

https://messtimetabledkolvk.shop/api

https://deprivedrinkyfaiir.shop/api

https://relaxtionflouwerwi.shop/api

Targets

    • Target

      92647857b90a85cccd32392699cd0c3246acfc49c19abe65c7b5f44ddd5e9fe6

    • Size

      1.8MB

    • MD5

      5ed4045ee1ca643d36022cd3ac520dc5

    • SHA1

      a313a4c69e6ecbaebd2e2545f6181855acfb0843

    • SHA256

      92647857b90a85cccd32392699cd0c3246acfc49c19abe65c7b5f44ddd5e9fe6

    • SHA512

      72217bc080ed9dc29a0964b9ba7fcfc62dbfc14bc1fb2d08f8937b10ef621043bef662857b807abed51adb1cda85dd7a8e6b89d5655383ace63dfb9ae7eb3fc9

    • SSDEEP

      49152:zPJArkrfVDbs47xZjdA0F57cZWWCc5Mpxa3:bJAyvHGy5YCfa

    • 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#.

    • 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.

    • 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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • 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

    • 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

    • Modifies Windows Firewall

    • 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 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 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.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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

    • Enumerates connected drives

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks