Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 09:53

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    7a3b3989f1f3647dc9188a185b345d43

  • SHA1

    475a5d5e48c0f25f8083ff7657e9d6958e39d2ad

  • SHA256

    749a24775a9225dd27ed9d457d9a82ace5122cdcaaef5069ae3e802464e2c77b

  • SHA512

    a0709cbff8c8a4a55de37bb2829c1b7922b96d5e74e71655d932a7bc355d6ccbeba0ce84f89698439ff2e3831a671cea427785d0f0024731bc04a6390a48ac8b

  • SSDEEP

    49152:n+U/JBdKSFgDBdYxZwTmyVy+wXqw/5v6k7eWZy8SwHl:n+UxCIgB+IqAdw6al6kKWc8R

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 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:1268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1268-0-0x00000000002A0000-0x0000000000933000-memory.dmp

    Filesize

    6.6MB

  • memory/1268-1-0x0000000077AF0000-0x0000000077AF2000-memory.dmp

    Filesize

    8KB

  • memory/1268-2-0x00000000002A1000-0x00000000002B8000-memory.dmp

    Filesize

    92KB

  • memory/1268-3-0x00000000002A0000-0x0000000000933000-memory.dmp

    Filesize

    6.6MB

  • memory/1268-4-0x00000000002A0000-0x0000000000933000-memory.dmp

    Filesize

    6.6MB