General

  • Target

    random.exe

  • Size

    1.7MB

  • Sample

    250123-wx2hyazmhq

  • MD5

    1f8c1aad2738a582d7b549ced4b647ea

  • SHA1

    073bd80fb416fe7cc74244798a0f323dc3907ce5

  • SHA256

    4a646bae75d97282a043aa8fc8837ceb407c947c7abeb83c8f2f12dba1a7017c

  • SHA512

    86cf0c9a3f6133595d3da54abd76a5f46b25d46d1f5d767b2e9f4b081a4e3af36664cf85ca9de49c6dfcf12e2a89d1ebd57e3526bec27949faf972d17733ffc7

  • SSDEEP

    24576:WBpBJtgs4t5+Il89I+mQrC2QAJ+lNDHilLvqJghGg8gH7KRSirZHzUcndgDyF4nk:WRJWs6SmYaA7AG78KwhrWcnAyF4HfG5

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      random.exe

    • Size

      1.7MB

    • MD5

      1f8c1aad2738a582d7b549ced4b647ea

    • SHA1

      073bd80fb416fe7cc74244798a0f323dc3907ce5

    • SHA256

      4a646bae75d97282a043aa8fc8837ceb407c947c7abeb83c8f2f12dba1a7017c

    • SHA512

      86cf0c9a3f6133595d3da54abd76a5f46b25d46d1f5d767b2e9f4b081a4e3af36664cf85ca9de49c6dfcf12e2a89d1ebd57e3526bec27949faf972d17733ffc7

    • SSDEEP

      24576:WBpBJtgs4t5+Il89I+mQrC2QAJ+lNDHilLvqJghGg8gH7KRSirZHzUcndgDyF4nk:WRJWs6SmYaA7AG78KwhrWcnAyF4HfG5

    • 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.

    • 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