General

  • Target

    07c5f7d14c6c6e7b49fe6f6cd046098cb346e48e6e3e15cd004c417025c9b921

  • Size

    499KB

  • Sample

    240923-zgaxtstekb

  • MD5

    fd57537d98f94f9c203f15d62e2c4e39

  • SHA1

    2e00fd116ed082eb73b2e61a9d0cdd9239509e71

  • SHA256

    07c5f7d14c6c6e7b49fe6f6cd046098cb346e48e6e3e15cd004c417025c9b921

  • SHA512

    11053a4ad4745c622dc16bdb3617adaaad592e4c5638aa6a05f80762e28e6a5adc1beeaa4161ae16b5df80e2cd129f520aa68b2e84974ad114d4acdffadf95db

  • SSDEEP

    6144:pxbwWiFAPzFrRQVcgb0ckKGnveRm5mwHLbO9L92BB7nhpEP+WlEQ5FXCnFk:px8WiFAh1QLb9kmRMpAk/nLcEuSC

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

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

save

C2

http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      07c5f7d14c6c6e7b49fe6f6cd046098cb346e48e6e3e15cd004c417025c9b921

    • Size

      499KB

    • MD5

      fd57537d98f94f9c203f15d62e2c4e39

    • SHA1

      2e00fd116ed082eb73b2e61a9d0cdd9239509e71

    • SHA256

      07c5f7d14c6c6e7b49fe6f6cd046098cb346e48e6e3e15cd004c417025c9b921

    • SHA512

      11053a4ad4745c622dc16bdb3617adaaad592e4c5638aa6a05f80762e28e6a5adc1beeaa4161ae16b5df80e2cd129f520aa68b2e84974ad114d4acdffadf95db

    • SSDEEP

      6144:pxbwWiFAPzFrRQVcgb0ckKGnveRm5mwHLbO9L92BB7nhpEP+WlEQ5FXCnFk:px8WiFAh1QLb9kmRMpAk/nLcEuSC

    • 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