Analysis

  • max time kernel
    13s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 07:55

General

  • Target

    b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe

  • Size

    5.0MB

  • MD5

    c0628720a50269e551a2d5ae55ab558b

  • SHA1

    a56cbafdab74385d917a70ff82d0e2f0923bf78f

  • SHA256

    b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26

  • SHA512

    67898f886aa03d2a5852696477db606e9c2d17fb8ff121b4481f73f95b28885269f305974fa237f777e80e2d6ddd8cf254f6f838adc2baf7c363fb81cd9ba5cc

  • SSDEEP

    49152:RLImNoTxmPfJmD3X+4mNbdo1ZZU38tY1uHzm:9IqolmPfJmDH+4mNRo1Zg1o

Malware Config

Extracted

Family

stealc

Botnet

stok

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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe
    "C:\Users\Admin\AppData\Local\Temp\b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.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
    • Suspicious behavior: EnumeratesProcesses
    PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2808-0-0x00000000000E0000-0x00000000005DF000-memory.dmp

    Filesize

    5.0MB

  • memory/2808-1-0x0000000077500000-0x0000000077502000-memory.dmp

    Filesize

    8KB

  • memory/2808-2-0x00000000000E0000-0x00000000005DF000-memory.dmp

    Filesize

    5.0MB

  • memory/2808-3-0x00000000000E1000-0x000000000032A000-memory.dmp

    Filesize

    2.3MB