General

  • Target

    99e84937d8934aed0bd610814d5bc76622abd74230f1d2cec2aa3d33580e1a90

  • Size

    1.8MB

  • Sample

    240322-mf51csdc4t

  • MD5

    cf9db0407cd91ac0ddafa0858fd26eb8

  • SHA1

    f1bcc2513d403b28e008698dad7abf78b2fc4a9b

  • SHA256

    99e84937d8934aed0bd610814d5bc76622abd74230f1d2cec2aa3d33580e1a90

  • SHA512

    3aa696d2ff94a3ca02816b62215f63bb5cd45f61cd5e9db11b54d3ca0fdc932890dd54341d117798d8f7ee3bfc2d7832d29396f1ea195f796c354faadba86654

  • SSDEEP

    49152:0UuRV3y/PApTx2B1eAdxXKB1TsKSjhyb:0UqVi/PApVqp6BUjhyb

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

      99e84937d8934aed0bd610814d5bc76622abd74230f1d2cec2aa3d33580e1a90

    • Size

      1.8MB

    • MD5

      cf9db0407cd91ac0ddafa0858fd26eb8

    • SHA1

      f1bcc2513d403b28e008698dad7abf78b2fc4a9b

    • SHA256

      99e84937d8934aed0bd610814d5bc76622abd74230f1d2cec2aa3d33580e1a90

    • SHA512

      3aa696d2ff94a3ca02816b62215f63bb5cd45f61cd5e9db11b54d3ca0fdc932890dd54341d117798d8f7ee3bfc2d7832d29396f1ea195f796c354faadba86654

    • SSDEEP

      49152:0UuRV3y/PApTx2B1eAdxXKB1TsKSjhyb:0UqVi/PApVqp6BUjhyb

    • 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