General

  • Target

    random.exe

  • Size

    1.7MB

  • Sample

    250208-x4822azkat

  • MD5

    058a538e09f75e4c91b1f961c270313d

  • SHA1

    6adf6f1b199d01b452cbc7aac7b4c71657f8a69e

  • SHA256

    6d29273fe7963ba9fafcf715d48ff3d63fc44256f40d10b3108a8f93cd97a1f0

  • SHA512

    ab6b00c5670e908b259306947b8b0210c442bc1f4e1ddf0df27cd3783b6deafccb78d1e7bad4dffe9e20456d2328895ade320337a553cfcfd53815f043c4cb72

  • SSDEEP

    49152:cbPUA7yJRG35rUgRMIYKmBZPYMirun/38hBxP:gPUA7yJg1RMRagn/mBV

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      random.exe

    • Size

      1.7MB

    • MD5

      058a538e09f75e4c91b1f961c270313d

    • SHA1

      6adf6f1b199d01b452cbc7aac7b4c71657f8a69e

    • SHA256

      6d29273fe7963ba9fafcf715d48ff3d63fc44256f40d10b3108a8f93cd97a1f0

    • SHA512

      ab6b00c5670e908b259306947b8b0210c442bc1f4e1ddf0df27cd3783b6deafccb78d1e7bad4dffe9e20456d2328895ade320337a553cfcfd53815f043c4cb72

    • SSDEEP

      49152:cbPUA7yJRG35rUgRMIYKmBZPYMirun/38hBxP:gPUA7yJg1RMRagn/mBV

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks