Analysis

  • max time kernel
    94s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 01:41

General

  • Target

    f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a.exe

  • Size

    2.9MB

  • MD5

    33e21757c66d40d3dc94d24ded6840a1

  • SHA1

    8500808931bea3a20659e43c9398cfb948db9e6c

  • SHA256

    f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a

  • SHA512

    72c49e886cbeee046b5f6a035725ebf58f4dd924047d9fde876c1e2ff84d97d57ebcc061aff55be287d6fc6305a0694ebf1438cf1290b4a511fc5543fe30b168

  • SSDEEP

    49152:UKks3TOJjbiQDqW9q/uoc+uRT9/BJgpi8MVNiq3e/:U83T+jbiQDH9LDN9Api8M7iq3e/

Malware Config

Extracted

Family

stealc

Botnet

dear

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • 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\f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a.exe
    "C:\Users\Admin\AppData\Local\Temp\f191cc28ee681ea36c73780f422739493d6e8db494c07534a9ea2a688b02595a.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:3272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3272-0-0x0000000000D50000-0x000000000125E000-memory.dmp

    Filesize

    5.1MB

  • memory/3272-1-0x0000000077B04000-0x0000000077B06000-memory.dmp

    Filesize

    8KB

  • memory/3272-2-0x0000000000D51000-0x0000000000D65000-memory.dmp

    Filesize

    80KB

  • memory/3272-3-0x0000000000D50000-0x000000000125E000-memory.dmp

    Filesize

    5.1MB

  • memory/3272-4-0x0000000000D50000-0x000000000125E000-memory.dmp

    Filesize

    5.1MB