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General

  • Target

    u0k28.exe

  • Size

    3.8MB

  • Sample

    250315-qa5zysxqv2

  • MD5

    17f13fc530bc52f8d837689a67b8962a

  • SHA1

    e332280450bb598dd077c17a83165ef5e1521614

  • SHA256

    ed48b6b1dea8a414989055de0987c9dff063e456b2fab2d06b48f1fe0a660b10

  • SHA512

    59d7153ee618bc965fc51ff8ef74f33c246bc503243b4c52a42bded2ab0ddd9fdac6cbfa6babe5330bff2d29252ef6f3fe575f63a69b6080b258cc20ebce7f71

  • SSDEEP

    98304:BMIcaNXmy1sNaz5KVMZ3ZfmUdtIsq2wKu+cWreqvcYtwSyUz+:ZMy1saWEpRdSK1lreFgwqz+

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

lumma

C2

https://citydisco.bet/api

https://crosshairc.life/api

https://mrodularmall.top/api

https://jowinjoinery.icu/api

https://legenassedk.top/api

https://4htardwarehu.icu/api

https://cjlaspcorne.icu/api

https://bugildbett.top/api

https://weaponrywo.digital/api

https://zfurrycomp.top/api

https://htardwarehu.icu/api

https://8cjlaspcorne.icu/api

https://adweaponrywo.digital/api

https://begindecafer.world/api

https://9garagedrootz.top/api

https://modelshiverd.icu/api

https://arisechairedd.shop/api

https://catterjur.run/api

https://orangemyther.live/api

https://fostinjec.today/api

Extracted

Family

asyncrat

Version

| Controller

Botnet

Default

C2

20.206.204.9:4449

Mutex

ammmjprqjnqswrieh

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

lumma

C2

https://moderzysics.top/api

https://codxefusion.top/api

Targets

    • Target

      u0k28.exe

    • Size

      3.8MB

    • MD5

      17f13fc530bc52f8d837689a67b8962a

    • SHA1

      e332280450bb598dd077c17a83165ef5e1521614

    • SHA256

      ed48b6b1dea8a414989055de0987c9dff063e456b2fab2d06b48f1fe0a660b10

    • SHA512

      59d7153ee618bc965fc51ff8ef74f33c246bc503243b4c52a42bded2ab0ddd9fdac6cbfa6babe5330bff2d29252ef6f3fe575f63a69b6080b258cc20ebce7f71

    • SSDEEP

      98304:BMIcaNXmy1sNaz5KVMZ3ZfmUdtIsq2wKu+cWreqvcYtwSyUz+:ZMy1saWEpRdSK1lreFgwqz+

    • Amadey

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

    • Amadey family

    • AsyncRat

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

    • Asyncrat family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • VenomRAT

      Detects VenomRAT.

    • Venomrat family

    • Async RAT payload

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

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks