Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 12:10

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    f82d9cecd341af38b222a4306bc0588a

  • SHA1

    3359c049fe7cdb1867c8e19fb9d4c8ad54432b6f

  • SHA256

    f5622ec8edbadee157c022829ea267ee17ca517e9f306f0712c425024615f972

  • SHA512

    153ffc9b6d8fccbd8fb5cbf493177ecc1e0af5488c09409574ad64b392e66d59fad6fa7c88087ca57f47007aa15db084c7bc8ced81f88391d069fac4fff7eae6

  • SSDEEP

    49152:jFUgC1CbpZKv4iGSpXTDssKnhJ062HGFFhyeOJUIRFops32LF:prRbpDSpDQRhJ06yGF7yrV34

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 1 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:1088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1088-0-0x0000000000D90000-0x000000000142C000-memory.dmp

    Filesize

    6.6MB

  • memory/1088-1-0x00000000773B0000-0x00000000773B2000-memory.dmp

    Filesize

    8KB

  • memory/1088-2-0x0000000000D91000-0x0000000000DA8000-memory.dmp

    Filesize

    92KB

  • memory/1088-3-0x0000000000D90000-0x000000000142C000-memory.dmp

    Filesize

    6.6MB

  • memory/1088-4-0x0000000000D90000-0x000000000142C000-memory.dmp

    Filesize

    6.6MB