General

  • Target

    4feae1ea40a074d042ba08876d3c459dddcefc9d4eaad6a5a0709dd482e899df

  • Size

    1.9MB

  • Sample

    241203-zed7gasrbt

  • MD5

    b2f874f58722f67061a01726f43ce570

  • SHA1

    87572c77ec7d2ae7385f5855b337d2ddb530cb01

  • SHA256

    4feae1ea40a074d042ba08876d3c459dddcefc9d4eaad6a5a0709dd482e899df

  • SHA512

    e3c955999c2573742e346058a4b3cc4e0f6350edb2c55bcd83cef00e6a28902da787ff47eae7c556753073e9d985ca706e1e866845881d7c18bd705c6d637782

  • SSDEEP

    49152:NzMZdtSFojAfiO4oC8KIjlrRT132upCb+A860u:NadtiZfiyDNpZB+b+A8z

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

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://drive-connect.cyou

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

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default_valenciga

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

Targets

    • Target

      4feae1ea40a074d042ba08876d3c459dddcefc9d4eaad6a5a0709dd482e899df

    • Size

      1.9MB

    • MD5

      b2f874f58722f67061a01726f43ce570

    • SHA1

      87572c77ec7d2ae7385f5855b337d2ddb530cb01

    • SHA256

      4feae1ea40a074d042ba08876d3c459dddcefc9d4eaad6a5a0709dd482e899df

    • SHA512

      e3c955999c2573742e346058a4b3cc4e0f6350edb2c55bcd83cef00e6a28902da787ff47eae7c556753073e9d985ca706e1e866845881d7c18bd705c6d637782

    • SSDEEP

      49152:NzMZdtSFojAfiO4oC8KIjlrRT132upCb+A860u:NadtiZfiyDNpZB+b+A8z

    • Amadey

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

    • Amadey family

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • 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)

    • Download via BitsAdmin

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks