Analysis

  • max time kernel
    90s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • submitted
    12-11-2024 05:22

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    2878cc9a985c0fb2e09a37a43f3d99ae

  • SHA1

    41fe91f926c0f82e16454d9871c72776bfc5f104

  • SHA256

    67fadf8ac3d2ead9432d3872c87715b12dbe6974bf28a20622a9e75c555dfa61

  • SHA512

    d74fb363e5c544d643f2e1e73fb837ad1c74b829fa98d056e8cb4d22f4aaf34d5f06099d2ba52bf20453766ff5ba87d14cca5367f087330a4a8542827810e1da

  • SSDEEP

    49152:k0i01IX1oK+W7jGroaftEP/3RiyIOS+k:Tf6SK5c31EX3R9IOS+

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2528-0-0x0000000000630000-0x0000000000CCB000-memory.dmp

    Filesize

    6.6MB

  • memory/2528-1-0x0000000077BB4000-0x0000000077BB6000-memory.dmp

    Filesize

    8KB

  • memory/2528-2-0x0000000000631000-0x0000000000648000-memory.dmp

    Filesize

    92KB

  • memory/2528-3-0x0000000000630000-0x0000000000CCB000-memory.dmp

    Filesize

    6.6MB

  • memory/2528-5-0x0000000000630000-0x0000000000CCB000-memory.dmp

    Filesize

    6.6MB