Analysis

  • max time kernel
    14s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 17:40

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    2f54862033f0c859845e063b0de4086b

  • SHA1

    448d12afa10f15b4ca1eaf57c8f88b30ae70608e

  • SHA256

    f5947732c4e7fa325ba0f68f616411a07a3f7a6f758ecf59eacda86398b7be20

  • SHA512

    09b7809d7bbfb501dee9dffd40aec7b7ecbc0dfb3386f19c9b50841a13a28aeeb85bea9e9a901ad8c8897acbb8434fdcfb65f1138609c281519eabe147d9c9df

  • SSDEEP

    49152:IKLsUCXqRyjOgzcODpw4erSJNIMg8xd0Cl8:I+s2yig1pwZCIMpD/l

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:2236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2236-0-0x0000000000DF0000-0x0000000001495000-memory.dmp

    Filesize

    6.6MB

  • memory/2236-1-0x0000000077E80000-0x0000000077E82000-memory.dmp

    Filesize

    8KB

  • memory/2236-3-0x0000000000DF0000-0x0000000001495000-memory.dmp

    Filesize

    6.6MB

  • memory/2236-2-0x0000000000DF1000-0x0000000000E08000-memory.dmp

    Filesize

    92KB

  • memory/2236-5-0x0000000000DF0000-0x0000000001495000-memory.dmp

    Filesize

    6.6MB