Analysis

  • max time kernel
    93s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 18:44

General

  • Target

    C9SUM_file.exe

  • Size

    1.7MB

  • MD5

    e0205bfeadfb01c33d5a13ede54fbf10

  • SHA1

    3ef5bc11132a9dd29a98e80db03f4c19494745b9

  • SHA256

    6b6a89b114bb94bef88235b97bfe7dc73933be77b833cb7fc522def6f37a415d

  • SHA512

    1d5d157fc2078b2db86e421057a52fc47cfe424fbedf6eec6865ab84385bfb8c7ba454f8e5a9d58712cf1c1346f633530649742e72e2cb576a14164af29f289c

  • SSDEEP

    49152:2PNQ5shN9Z7wV3ZTcAPAPijxCOwQBukm:2PWGhjZ7sJPP5jxCODUkm

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\C9SUM_file.exe
    "C:\Users\Admin\AppData\Local\Temp\C9SUM_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:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2384-0-0x0000000000220000-0x00000000008BE000-memory.dmp

    Filesize

    6.6MB

  • memory/2384-1-0x0000000077554000-0x0000000077556000-memory.dmp

    Filesize

    8KB

  • memory/2384-2-0x0000000000221000-0x0000000000238000-memory.dmp

    Filesize

    92KB

  • memory/2384-3-0x0000000000220000-0x00000000008BE000-memory.dmp

    Filesize

    6.6MB

  • memory/2384-4-0x0000000000220000-0x00000000008BE000-memory.dmp

    Filesize

    6.6MB