Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 00:13

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    d54b0c8f7977a9e67948bab655fb380e

  • SHA1

    0ddd15bf45362013fb845f4b6155ab40f039cafe

  • SHA256

    bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859

  • SHA512

    839c0605b497a6e38040dc2d6e261ee803d41149177b87928d29b9d7302c7a59e10732cdffc2a990b016cdf8899a782f3f25307717709ee27b5f51928afc4ddd

  • SSDEEP

    49152:FNudjp3W9Su9p1y9+Wup3FGoL0XcS+kPe:/unGwejH00kPe

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:1940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1940-0-0x00000000006B0000-0x0000000000D2E000-memory.dmp

    Filesize

    6.5MB

  • memory/1940-1-0x00000000775E4000-0x00000000775E6000-memory.dmp

    Filesize

    8KB

  • memory/1940-2-0x00000000006B1000-0x00000000006C8000-memory.dmp

    Filesize

    92KB

  • memory/1940-3-0x00000000006B0000-0x0000000000D2E000-memory.dmp

    Filesize

    6.5MB

  • memory/1940-5-0x00000000006B0000-0x0000000000D2E000-memory.dmp

    Filesize

    6.5MB