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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/12/2024, 21:36

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    11bf0c70ccd9edaaa470be5b5a6b05c6

  • SHA1

    bdcda48fb20caf28a9285bf5bb5d1d10c4540b55

  • SHA256

    cefd403d738a98aacd4c0bcbcfd8bd16af6da5e9fd6bb371b183270724745b4c

  • SHA512

    a8c3c7fc7550dff1558caceae2c32e5b4895ae2ba855c3c9483567af9be77b1e17ec6b35cb596c053a129464cb58821cf00d4f3b62fe1ee99b21f06f5b0f550a

  • SSDEEP

    49152:+5vprFc/oc0bZ1I3v1NPbZA8toml1but/:EEdf3lDFl1bk

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
  • 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:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2536-0-0x0000000000C10000-0x00000000012C1000-memory.dmp

    Filesize

    6.7MB

  • memory/2536-1-0x00000000770A0000-0x00000000770A2000-memory.dmp

    Filesize

    8KB

  • memory/2536-2-0x0000000000C11000-0x0000000000C28000-memory.dmp

    Filesize

    92KB

  • memory/2536-3-0x0000000000C10000-0x00000000012C1000-memory.dmp

    Filesize

    6.7MB

  • memory/2536-4-0x0000000000C10000-0x00000000012C1000-memory.dmp

    Filesize

    6.7MB