General

  • Target

    a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

  • Size

    1.8MB

  • Sample

    240401-bf7y6shb5s

  • MD5

    099534f7d955508474bf7a1e529f2127

  • SHA1

    2c3be5128d946401f32463b10913e83954bb937c

  • SHA256

    a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

  • SHA512

    00e088e3e38ef34c0ddd8cb3651ac03523e7f08ff1dbfc8a9a2ebae299ad8ad52fe6bcde93ef756defb5ef6142acbf3015ea6269f76f8aed934ac88ad0286310

  • SSDEEP

    49152:TIrRcjj42ahO562qQKydFDXeBFBvM11g:TIzhOE2DFDu54

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Targets

    • Target

      a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

    • Size

      1.8MB

    • MD5

      099534f7d955508474bf7a1e529f2127

    • SHA1

      2c3be5128d946401f32463b10913e83954bb937c

    • SHA256

      a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

    • SHA512

      00e088e3e38ef34c0ddd8cb3651ac03523e7f08ff1dbfc8a9a2ebae299ad8ad52fe6bcde93ef756defb5ef6142acbf3015ea6269f76f8aed934ac88ad0286310

    • SSDEEP

      49152:TIrRcjj42ahO562qQKydFDXeBFBvM11g:TIzhOE2DFDu54

    • 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

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks