Analysis

  • max time kernel
    158s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 07:10

General

  • Target

    c166b490846d441400727765dd668262087642bae1bbfd7aaf7a1bed5aa35b62.exe

  • Size

    234KB

  • MD5

    73ddf9a7f42e0452b6aa00f4e0a0afd5

  • SHA1

    79ea2d473e72751803c9650ae5c6b144a0aa4879

  • SHA256

    c166b490846d441400727765dd668262087642bae1bbfd7aaf7a1bed5aa35b62

  • SHA512

    c7931368fffeb684c6de5a7affe168f11c1e1d5fed5f843fb0ff98f393c49909e202fb7d500f126097f5e5ddf69beb1fe900c27bd918c2d8d4a69c451b053ed5

  • SSDEEP

    3072:a5My9dAbFfJ30bYKMy+WlmKwkGLVmWDju8Ogxsqtoe8MGRT8:UUbFfJEb7LM5t9OgfdaRT

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://dbfhns.in/tmp/index.php

http://guteyr.cc/tmp/index.php

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

http://lobulraualov.in.net/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
  • 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\c166b490846d441400727765dd668262087642bae1bbfd7aaf7a1bed5aa35b62.exe
    "C:\Users\Admin\AppData\Local\Temp\c166b490846d441400727765dd668262087642bae1bbfd7aaf7a1bed5aa35b62.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1496
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1496-1-0x0000000002E50000-0x0000000002F50000-memory.dmp

      Filesize

      1024KB

    • memory/1496-2-0x0000000002E40000-0x0000000002E4B000-memory.dmp

      Filesize

      44KB

    • memory/1496-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1496-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

      Filesize

      40.6MB

    • memory/1496-10-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1496-9-0x0000000002E40000-0x0000000002E4B000-memory.dmp

      Filesize

      44KB

    • memory/1496-8-0x0000000000400000-0x0000000002C9A000-memory.dmp

      Filesize

      40.6MB

    • memory/3332-5-0x00000000023F0000-0x0000000002406000-memory.dmp

      Filesize

      88KB