General

  • Target

    df1c1488e2dceca8589979839b0a1a8fb1d1cafa424724a3f4f26de5ce5bdf67

  • Size

    1.8MB

  • Sample

    240330-mhb53adh88

  • MD5

    e18179437bb4392922cfbcef32fd9a4d

  • SHA1

    ec92b0752e670811dc07a8e09434531388f71492

  • SHA256

    df1c1488e2dceca8589979839b0a1a8fb1d1cafa424724a3f4f26de5ce5bdf67

  • SHA512

    b1dd2bc5c78ef662abbe787c928fbdd1f2d08156c5efb3ec6eeeccddca59e15c651a487116e89ccfb13810bf70c37cb289d6b64160a1eee284679aa3eae4a142

  • SSDEEP

    49152:KJb9QSgvheyw27ueJ+lWpgkXf6oIQCIggQ:yg1pIAffWQKgQ

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

      df1c1488e2dceca8589979839b0a1a8fb1d1cafa424724a3f4f26de5ce5bdf67

    • Size

      1.8MB

    • MD5

      e18179437bb4392922cfbcef32fd9a4d

    • SHA1

      ec92b0752e670811dc07a8e09434531388f71492

    • SHA256

      df1c1488e2dceca8589979839b0a1a8fb1d1cafa424724a3f4f26de5ce5bdf67

    • SHA512

      b1dd2bc5c78ef662abbe787c928fbdd1f2d08156c5efb3ec6eeeccddca59e15c651a487116e89ccfb13810bf70c37cb289d6b64160a1eee284679aa3eae4a142

    • SSDEEP

      49152:KJb9QSgvheyw27ueJ+lWpgkXf6oIQCIggQ:yg1pIAffWQKgQ

    • 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