General

  • Target

    52ce481ea201d8a0e9e9f5e89023b883334035e1427b85d2977f9c74e682d21fN.exe

  • Size

    2.9MB

  • Sample

    241217-c7z83sxrb1

  • MD5

    30825fab1d50f101d38373952e92f6e0

  • SHA1

    69d1860c308b3fb30519402aa1e08df365dc35e4

  • SHA256

    52ce481ea201d8a0e9e9f5e89023b883334035e1427b85d2977f9c74e682d21f

  • SHA512

    c8f26dccc3fbfdf254a1d322fb2c32a9299be93f826d29339c05035594ee52bfc2ac5ce42baa21b1ae2a9063a0b5731e0c30399b0cb435b6440d27605dbee975

  • SSDEEP

    49152:cZ/jf/q95mWke8XmcIUJAkGXP5yJBHlyWhav:s/q95mWke82hUJAkGXBy7Hh

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

cryptbot

Targets

    • Target

      52ce481ea201d8a0e9e9f5e89023b883334035e1427b85d2977f9c74e682d21fN.exe

    • Size

      2.9MB

    • MD5

      30825fab1d50f101d38373952e92f6e0

    • SHA1

      69d1860c308b3fb30519402aa1e08df365dc35e4

    • SHA256

      52ce481ea201d8a0e9e9f5e89023b883334035e1427b85d2977f9c74e682d21f

    • SHA512

      c8f26dccc3fbfdf254a1d322fb2c32a9299be93f826d29339c05035594ee52bfc2ac5ce42baa21b1ae2a9063a0b5731e0c30399b0cb435b6440d27605dbee975

    • SSDEEP

      49152:cZ/jf/q95mWke8XmcIUJAkGXP5yJBHlyWhav:s/q95mWke82hUJAkGXBy7Hh

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

    • 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

    • 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

MITRE ATT&CK Enterprise v15

Tasks