General

  • Target

    37e7ad79d3ae5ed757ce28561bf2111f0ac264c2f862c41085e516fa1f867258.exe

  • Size

    1.7MB

  • Sample

    241120-czcstayldt

  • MD5

    3d3ba378bfd3cec1aed3867dada094f8

  • SHA1

    6821b812edf15bf748914b8b0a0da63da43306ca

  • SHA256

    37e7ad79d3ae5ed757ce28561bf2111f0ac264c2f862c41085e516fa1f867258

  • SHA512

    79166f423454a71461a7d568ac9e462ab947f7bc4bc45783e11dc04460b97308426a3ce806d2f5185f9605534aca1c82cdbbb73fc0ed57df98f02b61c6a96984

  • SSDEEP

    24576:cb2TJuk5Xe3XQaPv1uNMJGOoC5OejULeTewZwqdzHHPf1v83ca/sozLqDRG:RQAXAZPvEVOoC0eDP3zPfZ83vzLo

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      37e7ad79d3ae5ed757ce28561bf2111f0ac264c2f862c41085e516fa1f867258.exe

    • Size

      1.7MB

    • MD5

      3d3ba378bfd3cec1aed3867dada094f8

    • SHA1

      6821b812edf15bf748914b8b0a0da63da43306ca

    • SHA256

      37e7ad79d3ae5ed757ce28561bf2111f0ac264c2f862c41085e516fa1f867258

    • SHA512

      79166f423454a71461a7d568ac9e462ab947f7bc4bc45783e11dc04460b97308426a3ce806d2f5185f9605534aca1c82cdbbb73fc0ed57df98f02b61c6a96984

    • SSDEEP

      24576:cb2TJuk5Xe3XQaPv1uNMJGOoC5OejULeTewZwqdzHHPf1v83ca/sozLqDRG:RQAXAZPvEVOoC0eDP3zPfZ83vzLo

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • 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