General

  • Target

    daebca4bcb7fa0c8a617b1192f30d7091496b5ecbaf62c11053932a4c73e67fa

  • Size

    2.4MB

  • Sample

    240708-d9y98s1bqm

  • MD5

    c0c62c7436aeb0163b6052f1cd2fb3e2

  • SHA1

    9a71b03fdc07adf99e65cdd5e7118f59e7122845

  • SHA256

    daebca4bcb7fa0c8a617b1192f30d7091496b5ecbaf62c11053932a4c73e67fa

  • SHA512

    45f96c080aed0505e5ef2050c84e163b26836d575fc71e9bf0af5e8a7b0710c69f79eae5e1372d4b3a40cdddadffdfd2108bb6cdca8e43df8c88f212cb42ea4a

  • SSDEEP

    49152:OJ2Xy7mlqkD3putnCRXLzSq3SOY74OAQtnh4Pi1Pv0Gk:W4Ac5UClLYkOfthjKz

Malware Config

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Targets

    • Target

      c8d2aaa1fc32eab170c96f95884a85e47a025f8d74b66a9e7311cba9ee88d10d.exe

    • Size

      2.4MB

    • MD5

      58ecb697be82278aeb969f9c2c12e1d4

    • SHA1

      962efe904a67f667065350cf5a865d22a8d9b563

    • SHA256

      c8d2aaa1fc32eab170c96f95884a85e47a025f8d74b66a9e7311cba9ee88d10d

    • SHA512

      0947b87b1b38d1bcde914e65233a78dc8079f419fc0c0f36e10d4ae2fc07e239b557fa05e899d36ef3158265a7519cf1a83fa44e1d86567ff181c5660966f26c

    • SSDEEP

      49152:TEDHJVUOgKGNINLgSGocThMd/q0wr0JL/JlxfD+wE31PaqJs:TEzPUOKsUM/gSJpEha

    • 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.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks