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General

  • Target

    73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe

  • Size

    1.8MB

  • Sample

    240601-fdv9taba26

  • MD5

    db449664f4044d5d6094e2f0780f40b8

  • SHA1

    8704bc9afb7a49e6545c9b0080127d3d722306b7

  • SHA256

    73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe

  • SHA512

    47f59b00d21fc5bb52921f78fb2182c2ad9d48995558c44152bebec3e18d2ac873853fefd20b3b699124ecd34f835acc8baa49906d459568d46290130ab23fde

  • SSDEEP

    49152:CXqQnh78ilf9RTz/Gq2fvTBG5cW7GBz/r9krqLtC7zCDuv:kf9tOvTBgYJksR6

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/index.php

rc4.plain

Extracted

Family

amadey

Version

4.21

Botnet

49e482

C2

http://147.45.47.70

Attributes
  • install_dir

    1b29d73536

  • install_file

    axplont.exe

  • strings_key

    4d31dd1a190d9879c21fac6d87dc0043

  • url_paths

    /tr8nomy/index.php

rc4.plain

Targets

    • Target

      73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe

    • Size

      1.8MB

    • MD5

      db449664f4044d5d6094e2f0780f40b8

    • SHA1

      8704bc9afb7a49e6545c9b0080127d3d722306b7

    • SHA256

      73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe

    • SHA512

      47f59b00d21fc5bb52921f78fb2182c2ad9d48995558c44152bebec3e18d2ac873853fefd20b3b699124ecd34f835acc8baa49906d459568d46290130ab23fde

    • SSDEEP

      49152:CXqQnh78ilf9RTz/Gq2fvTBG5cW7GBz/r9krqLtC7zCDuv:kf9tOvTBgYJksR6

    • Amadey

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

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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 web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks