Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-01-2025 23:33

General

  • Target

    a97cdfe7dbec16d938a69ae8232ac566ec78c77b6894d6eaee85e849a3d09303.exe

  • Size

    1.7MB

  • MD5

    fec895267cbbeefdd29f21400a916f53

  • SHA1

    f4061ad426897d6c3f238dc9b7fb37879fb253df

  • SHA256

    a97cdfe7dbec16d938a69ae8232ac566ec78c77b6894d6eaee85e849a3d09303

  • SHA512

    52dadf4ee472b838816abe9675bb8c58f15ab3013fce0a5fc4ddcdd3597dbfbf22b3db9e922a1d2775c20d2f58a8abc98559f6324d04adcaecf3c02deb44eee1

  • SSDEEP

    49152:0nowhaRIEXaQ/RWGcOc+UtaEIWuGhI31eBP:0ZWnPBpUhu+IgBP

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\a97cdfe7dbec16d938a69ae8232ac566ec78c77b6894d6eaee85e849a3d09303.exe
    "C:\Users\Admin\AppData\Local\Temp\a97cdfe7dbec16d938a69ae8232ac566ec78c77b6894d6eaee85e849a3d09303.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:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2616-0-0x0000000000AE0000-0x000000000116C000-memory.dmp

    Filesize

    6.5MB

  • memory/2616-1-0x0000000077590000-0x0000000077592000-memory.dmp

    Filesize

    8KB

  • memory/2616-3-0x0000000000AE1000-0x0000000000AF8000-memory.dmp

    Filesize

    92KB

  • memory/2616-4-0x0000000000AE0000-0x000000000116C000-memory.dmp

    Filesize

    6.5MB