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General

  • Target

    8298e07859dd754ed841bf9ccf089d615c99781fddfe276384be906f2d12f8da

  • Size

    1.8MB

  • Sample

    240802-b79xvatblf

  • MD5

    5cc3a863d3a74972f71a6763c5eb3d71

  • SHA1

    a0cf4d2ebc2435c9cf25916a0b6fa46588d321e8

  • SHA256

    8298e07859dd754ed841bf9ccf089d615c99781fddfe276384be906f2d12f8da

  • SHA512

    f8773ce6145ec7732aca641da19c0a215db033f24f35d266ce4abae561657028fd80fd48923baac4237842b96c93bc2fec370843258aa60fd4a58117cc6d8ef7

  • SSDEEP

    49152:cHdxg8zFspdvwbY+XZ4t1dd021ePoAukIqdnItjb:cHdipdK4t136o4nIt

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default

C2

http://185.215.113.24

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      8298e07859dd754ed841bf9ccf089d615c99781fddfe276384be906f2d12f8da

    • Size

      1.8MB

    • MD5

      5cc3a863d3a74972f71a6763c5eb3d71

    • SHA1

      a0cf4d2ebc2435c9cf25916a0b6fa46588d321e8

    • SHA256

      8298e07859dd754ed841bf9ccf089d615c99781fddfe276384be906f2d12f8da

    • SHA512

      f8773ce6145ec7732aca641da19c0a215db033f24f35d266ce4abae561657028fd80fd48923baac4237842b96c93bc2fec370843258aa60fd4a58117cc6d8ef7

    • SSDEEP

      49152:cHdxg8zFspdvwbY+XZ4t1dd021ePoAukIqdnItjb:cHdipdK4t136o4nIt

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Stealc

      Stealc is an infostealer written in C++.

    • 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.

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks