General

  • Target

    random1.exe

  • Size

    1.8MB

  • Sample

    240921-xdvfysxfmq

  • MD5

    fca710098603ba7d629b722930072137

  • SHA1

    6ddf73e84b1131f7ff63efdd69653af73ad8b5bb

  • SHA256

    fac8c090156a53da4da10a71551b7b96879e4629b547a20501dbc4e0b5149078

  • SHA512

    0e826f9e96b4ae74d2a3bb201311a14ab9bc16bea0c7ebcd79ed687c65da92f34c884877d7feff1adfd57dd50eb9c8a11d3fb6f34e388941fd2019a4c3a63037

  • SSDEEP

    49152:taPUPZ9u9wMxC6suNtCnzNDjlT+jEHWBSps8ad7ElBBRe:taPUPnu9wjGtCzhlkE2Ypu+a

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Extracted

Family

stealc

Botnet

dear

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      random1.exe

    • Size

      1.8MB

    • MD5

      fca710098603ba7d629b722930072137

    • SHA1

      6ddf73e84b1131f7ff63efdd69653af73ad8b5bb

    • SHA256

      fac8c090156a53da4da10a71551b7b96879e4629b547a20501dbc4e0b5149078

    • SHA512

      0e826f9e96b4ae74d2a3bb201311a14ab9bc16bea0c7ebcd79ed687c65da92f34c884877d7feff1adfd57dd50eb9c8a11d3fb6f34e388941fd2019a4c3a63037

    • SSDEEP

      49152:taPUPZ9u9wMxC6suNtCnzNDjlT+jEHWBSps8ad7ElBBRe:taPUPnu9wjGtCzhlkE2Ypu+a

    • 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

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks