General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241121-28w1gswran

  • MD5

    685f2f3ccfb3958f91e4b8e865cd28d5

  • SHA1

    4f9a41e63353f568e1aa31dc9ed97e13c5804d22

  • SHA256

    945f5a2a5fe604802e4aadaa8ef136a11c9a0b89d1c8eff471cf2ddf355aefd4

  • SHA512

    558832974a3b971ba2fedd7b8ef4c0e579fe49ea54dba5109335cc53752d8d7a3eea51c9af133f0f19482a3ec8eac8b1f621532280212fbeabae0e9713148d7b

  • SSDEEP

    49152:iG0Mv/7Fzc/5RqGKySgGfUx6DRLb8RydoGhjCg7IPb:iTM37VmmGdGS6NLbeydDjLkP

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      685f2f3ccfb3958f91e4b8e865cd28d5

    • SHA1

      4f9a41e63353f568e1aa31dc9ed97e13c5804d22

    • SHA256

      945f5a2a5fe604802e4aadaa8ef136a11c9a0b89d1c8eff471cf2ddf355aefd4

    • SHA512

      558832974a3b971ba2fedd7b8ef4c0e579fe49ea54dba5109335cc53752d8d7a3eea51c9af133f0f19482a3ec8eac8b1f621532280212fbeabae0e9713148d7b

    • SSDEEP

      49152:iG0Mv/7Fzc/5RqGKySgGfUx6DRLb8RydoGhjCg7IPb:iTM37VmmGdGS6NLbeydDjLkP

    • 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