Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 05:17

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    8505f9d1aa560d7efba98ff045b3f95c

  • SHA1

    c13622c9517063ab29efb02b02467850c6a15e50

  • SHA256

    518faa851e0c6485486d203fda44344cbda00a4633a2f3c2de49e9f6ebd054cf

  • SHA512

    972d680945efe4ab32b9ddce51bcf9ff17bb39d765310816225ff2600c1e350df9d2ece4442a0497d83c57d62b8a35f7d128bdea4398398925752b4a4ed72444

  • SSDEEP

    49152:Qj3/FoP3dtRqOJDtRnWZwMSZUHelK1C0QhKjQG6:S3/FoP3zDtMwT2+s9Q

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:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2388-0-0x0000000001010000-0x00000000016A1000-memory.dmp

    Filesize

    6.6MB

  • memory/2388-1-0x0000000077720000-0x0000000077722000-memory.dmp

    Filesize

    8KB

  • memory/2388-2-0x0000000001011000-0x0000000001028000-memory.dmp

    Filesize

    92KB

  • memory/2388-3-0x0000000001010000-0x00000000016A1000-memory.dmp

    Filesize

    6.6MB

  • memory/2388-4-0x0000000001010000-0x00000000016A1000-memory.dmp

    Filesize

    6.6MB