Resubmissions

06-04-2024 16:06

240406-tj2wfaea4t 10

02-04-2024 10:00

240402-l1xn2sdf7s 10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-04-2024 16:06

General

  • Target

    c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe

  • Size

    211KB

  • MD5

    28c17350f0da6941f68bbea0eb5af380

  • SHA1

    42d3ea0b53b6f76b729a9cef45341fae29933d88

  • SHA256

    c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b

  • SHA512

    b1bd4d2d1787575b7d5155926aa248203b317f33e13eb237ecb1d33353c3146e6ed67da239f0e96ff98adf8aa7309e6f37f666107176bb6461621d7287fb750f

  • SSDEEP

    3072:BIVw4zCuQGezasu4/2z6EuQ/yu0ZsBMRpSQDB8mm3CmO:BIm4GudBsukQ5o8NR

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 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\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
    "C:\Users\Admin\AppData\Local\Temp\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3436-4-0x0000000002950000-0x0000000002966000-memory.dmp

    Filesize

    88KB

  • memory/4592-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

    Filesize

    1024KB

  • memory/4592-2-0x0000000002D40000-0x0000000002D4B000-memory.dmp

    Filesize

    44KB

  • memory/4592-3-0x0000000000400000-0x0000000002BE0000-memory.dmp

    Filesize

    39.9MB

  • memory/4592-5-0x0000000000400000-0x0000000002BE0000-memory.dmp

    Filesize

    39.9MB