General

  • Target

    3155be7728a26e030b17bdb83892b2321544c30a752d4b007b524397a271a3e7N.exe

  • Size

    2.0MB

  • Sample

    250224-14xwjszqz3

  • MD5

    5988043642d0fec538aadb4ca54e2b50

  • SHA1

    a5db279945d0efd2a7f96138836633a6e3cb8d3d

  • SHA256

    3155be7728a26e030b17bdb83892b2321544c30a752d4b007b524397a271a3e7

  • SHA512

    436e3b2d6864202ede2e74eff6dac2d4b3b88bf96104af38fbe0fc2844ce17cb86a99828543cbc0b03351b46c464dde499eb11fefe33567559782a7347e7216d

  • SSDEEP

    49152:I8AgzfLPLaVf+yRqi50W0LKoxmG05hx6z28H2H:I8AofLWVf9H2moxm5txo2

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

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      3155be7728a26e030b17bdb83892b2321544c30a752d4b007b524397a271a3e7N.exe

    • Size

      2.0MB

    • MD5

      5988043642d0fec538aadb4ca54e2b50

    • SHA1

      a5db279945d0efd2a7f96138836633a6e3cb8d3d

    • SHA256

      3155be7728a26e030b17bdb83892b2321544c30a752d4b007b524397a271a3e7

    • SHA512

      436e3b2d6864202ede2e74eff6dac2d4b3b88bf96104af38fbe0fc2844ce17cb86a99828543cbc0b03351b46c464dde499eb11fefe33567559782a7347e7216d

    • SSDEEP

      49152:I8AgzfLPLaVf+yRqi50W0LKoxmG05hx6z28H2H:I8AofLWVf9H2moxm5txo2

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks