General

  • Target

    efa39670a63457969c0bdd1b9b082eb50b384553fa9512d1e2e970f072441775N.exe

  • Size

    5.7MB

  • Sample

    241127-harhkasjat

  • MD5

    8d36c12d49c9dd65ee0f995a86986a70

  • SHA1

    889c61ac013d6c7a96ba5db163cb33685375d164

  • SHA256

    efa39670a63457969c0bdd1b9b082eb50b384553fa9512d1e2e970f072441775

  • SHA512

    eed71ba3692db946398f89c59e9c24ac814d4c7250b380440b4201ad307f95dea8f6efc9993b450f1c7559e22c9410594f5e1ffc4929142c6b38c715a00a0f43

  • SSDEEP

    98304:kW0xYy5VdYnQQiAke9JQsArlQUS1EXaVFvh50rsT:xIdYnQQZkebQ7lQUn6pB

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

C2

https://crib-endanger.sbs

https://faintbl0w.sbs

https://300snails.sbs

https://bored-light.sbs

https://3xc1aimbl0w.sbs

https://pull-trucker.sbs

https://fleez-inc.sbs

https://thicktoys.sbs

https://frogmen-smell.sbs

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

xworm

Version

5.0

C2

backto54.duckdns.org:8989

helldog24.duckdns.org:8989

Mutex

7Fvn9wsSHJeXUB5q

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

lumma

C2

https://frogmen-smell.sbs/api

Targets

    • Target

      efa39670a63457969c0bdd1b9b082eb50b384553fa9512d1e2e970f072441775N.exe

    • Size

      5.7MB

    • MD5

      8d36c12d49c9dd65ee0f995a86986a70

    • SHA1

      889c61ac013d6c7a96ba5db163cb33685375d164

    • SHA256

      efa39670a63457969c0bdd1b9b082eb50b384553fa9512d1e2e970f072441775

    • SHA512

      eed71ba3692db946398f89c59e9c24ac814d4c7250b380440b4201ad307f95dea8f6efc9993b450f1c7559e22c9410594f5e1ffc4929142c6b38c715a00a0f43

    • SSDEEP

      98304:kW0xYy5VdYnQQiAke9JQsArlQUS1EXaVFvh50rsT:xIdYnQQZkebQ7lQUn6pB

    • Amadey

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

    • Amadey family

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Enumerates VirtualBox registry keys

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

    • Downloads MZ/PE file

    • 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.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks