Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 15:16

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    3bdf8476f9736b3f51b8d5027679a6f5

  • SHA1

    ca6ccfba4f7f15f476dd7cf64e3d78090ab593b2

  • SHA256

    45926e2940bd8f454ce00ec717521e919b3d6dcdcc0c87d180106c1927589739

  • SHA512

    6e26c7a0f4c07d230e2608783613c182906b8d628b945df1e4bd89e0a5cc8163fc19c0089b429b8cb4ae758937445e41f0c33ead8966bca57c2a478d9a3951e4

  • SSDEEP

    49152:t8ATylKYvKdpifRxPntxjWWeG/CHYZO0FeW:GrlKEKLOR1nXjGYvAW

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:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2640-0-0x0000000000030000-0x00000000006DE000-memory.dmp

    Filesize

    6.7MB

  • memory/2640-1-0x0000000077480000-0x0000000077482000-memory.dmp

    Filesize

    8KB

  • memory/2640-3-0x0000000000030000-0x00000000006DE000-memory.dmp

    Filesize

    6.7MB

  • memory/2640-2-0x0000000000031000-0x0000000000048000-memory.dmp

    Filesize

    92KB

  • memory/2640-4-0x0000000000030000-0x00000000006DE000-memory.dmp

    Filesize

    6.7MB