General

  • Target

    13cac8771d5bdf04a533f9d4af84f8d0aa240a2cfe85603beb9782c5261a4216

  • Size

    1.8MB

  • Sample

    240321-zcxk2ahf75

  • MD5

    766b871e4a0cb690ef3697fd81f3f2d8

  • SHA1

    ce86761569a375c6dfa22bd5707125b05207e3dd

  • SHA256

    13cac8771d5bdf04a533f9d4af84f8d0aa240a2cfe85603beb9782c5261a4216

  • SHA512

    a32336ad9b4fec2697de85af6404a69f0b9ab0390fb16f7206c2090911afadc60677b72c790e135993048e5663efbbe86b192d020b1644b5ec2db0e8b9d4cc7c

  • SSDEEP

    49152:8o2laJ5uUQi8UU1k60147XalQIhYMNm8w0S/W6:8VaGUQi8UU1kF14TpuKUS/W6

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      13cac8771d5bdf04a533f9d4af84f8d0aa240a2cfe85603beb9782c5261a4216

    • Size

      1.8MB

    • MD5

      766b871e4a0cb690ef3697fd81f3f2d8

    • SHA1

      ce86761569a375c6dfa22bd5707125b05207e3dd

    • SHA256

      13cac8771d5bdf04a533f9d4af84f8d0aa240a2cfe85603beb9782c5261a4216

    • SHA512

      a32336ad9b4fec2697de85af6404a69f0b9ab0390fb16f7206c2090911afadc60677b72c790e135993048e5663efbbe86b192d020b1644b5ec2db0e8b9d4cc7c

    • SSDEEP

      49152:8o2laJ5uUQi8UU1k60147XalQIhYMNm8w0S/W6:8VaGUQi8UU1kF14TpuKUS/W6

    • 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