General

  • Target

    file.exe

  • Size

    2.8MB

  • Sample

    241217-se1l5ssrgp

  • MD5

    4819e50a7a5045e97399d95b04302d63

  • SHA1

    60232f8faf3d87afe9f0ddbbb42d587ad470a8ca

  • SHA256

    37fa3bf43327a5e08e1f1b598d9cc4388cefdf4411358727086bba59ac1a11d9

  • SHA512

    f44ca976e2f51c94442437430fd58958b2875614df43da0a140b916e385bef077c4504ec0bd185f2f865fb5d004d1d45175adc71d002a2ccefb6628269af1925

  • SSDEEP

    24576:3JgYh48nqOI/MHWSmf++HiPM4VMS05l8tspywHMGjyhVfCCcN0sogGGVIbTYpvFU:rq01mIkYd0Yqyz0NFEnZn/JOO0ip

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

Extracted

Family

cryptbot

Targets

    • Target

      file.exe

    • Size

      2.8MB

    • MD5

      4819e50a7a5045e97399d95b04302d63

    • SHA1

      60232f8faf3d87afe9f0ddbbb42d587ad470a8ca

    • SHA256

      37fa3bf43327a5e08e1f1b598d9cc4388cefdf4411358727086bba59ac1a11d9

    • SHA512

      f44ca976e2f51c94442437430fd58958b2875614df43da0a140b916e385bef077c4504ec0bd185f2f865fb5d004d1d45175adc71d002a2ccefb6628269af1925

    • SSDEEP

      24576:3JgYh48nqOI/MHWSmf++HiPM4VMS05l8tspywHMGjyhVfCCcN0sogGGVIbTYpvFU:rq01mIkYd0Yqyz0NFEnZn/JOO0ip

    • 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

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Enumerates VirtualBox registry keys

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • 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

    • Checks installed software on the system

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

    • 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