General

  • Target

    c9bad96eda6069fda384604035910ecbb035a5f397ff1f20f890de308eaa7b08

  • Size

    2.9MB

  • Sample

    241219-tnbvtavngz

  • MD5

    98c28cbc0f77f431bd470b389c8d5d84

  • SHA1

    5043a0e8eabeab839570cdc732aa63f98964884d

  • SHA256

    c9bad96eda6069fda384604035910ecbb035a5f397ff1f20f890de308eaa7b08

  • SHA512

    c41e9eba47cc74c44f01582fd74f935969aabb3dab5d8ab34e0e117b2085d66f5b3ea9b4a05b85ee5f3575443d00385a8eed68c32ca68697020d0e00a66afed7

  • SSDEEP

    49152:MF8AKHmSCvD935MM/wMovoJ5I9RMWG9EcosY/O/OecfW:ifymSIh35MewMovoJ5I9RMWGe5/qjcfW

Malware Config

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

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

cryptbot

Extracted

Family

lumma

Targets

    • Target

      c9bad96eda6069fda384604035910ecbb035a5f397ff1f20f890de308eaa7b08

    • Size

      2.9MB

    • MD5

      98c28cbc0f77f431bd470b389c8d5d84

    • SHA1

      5043a0e8eabeab839570cdc732aa63f98964884d

    • SHA256

      c9bad96eda6069fda384604035910ecbb035a5f397ff1f20f890de308eaa7b08

    • SHA512

      c41e9eba47cc74c44f01582fd74f935969aabb3dab5d8ab34e0e117b2085d66f5b3ea9b4a05b85ee5f3575443d00385a8eed68c32ca68697020d0e00a66afed7

    • SSDEEP

      49152:MF8AKHmSCvD935MM/wMovoJ5I9RMWG9EcosY/O/OecfW:ifymSIh35MewMovoJ5I9RMWGe5/qjcfW

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detect Vidar Stealer

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Enumerates VirtualBox registry keys

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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 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.

    • 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.

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • 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