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Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/05/2023, 09:54

General

  • Target

    36013.exe

  • Size

    282KB

  • MD5

    5655b60fb54c18c845062db99282b570

  • SHA1

    7ab89be275ca7cfa5198d41a96bd0b48f0e2a01e

  • SHA256

    b18947d9e68e83133eda85583d8e99e4a7492b6b74a8fa65fb31e6c2d5b02647

  • SHA512

    07920a24b755182d0192339177c2262efc4f3b088ea16465cbcf6256251cde2b6b95d54eca6ec93417f07548f603115ff9f363e826121f01a17056713a5eda1f

  • SSDEEP

    3072:1fxLyGo+oXlHpNwVWGlcfr0fzU3G2ZtZTeYNQ910QQiLg7HqfHoFJFkXedK:veGRo3J9oU22Zn7Q7TrBQFkH

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\36013.exe
    "C:\Users\Admin\AppData\Local\Temp\36013.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1484

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1484-134-0x0000000000820000-0x0000000000829000-memory.dmp

    Filesize

    36KB

  • memory/1484-136-0x0000000000400000-0x000000000068C000-memory.dmp

    Filesize

    2.5MB

  • memory/3116-135-0x0000000002EA0000-0x0000000002EB6000-memory.dmp

    Filesize

    88KB