Analysis

  • max time kernel
    302s
  • max time network
    300s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 10:42

General

  • Target

    49552c177d72449bb0c62f9225589052aa1385e23c969ce8556f20e3be0e7906.exe

  • Size

    241KB

  • MD5

    2b71f5c4c5547cc9949c86ff315883be

  • SHA1

    b444709c90890500dc29f9fea7a271eae56fa58c

  • SHA256

    49552c177d72449bb0c62f9225589052aa1385e23c969ce8556f20e3be0e7906

  • SHA512

    0c28cca561c7960e9cfd6bbbe725460e6da86e34fce00497762ecf0debd418bcbdd0a48b9c1c374bd2714e9ce638acfdf2dd28930a7cd169fdae199eeae7735a

  • SSDEEP

    3072:D65w2HLIe2EEWTrgY1+RBHvKCipEkQH5INR9tGAC:m5DvEqMPPK+yNRL

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/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 AdjustPrivilegeToken 2 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\49552c177d72449bb0c62f9225589052aa1385e23c969ce8556f20e3be0e7906.exe
    "C:\Users\Admin\AppData\Local\Temp\49552c177d72449bb0c62f9225589052aa1385e23c969ce8556f20e3be0e7906.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2296
  • 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=4048 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2296-1-0x0000000001C70000-0x0000000001D70000-memory.dmp

      Filesize

      1024KB

    • memory/2296-2-0x0000000003770000-0x000000000377B000-memory.dmp

      Filesize

      44KB

    • memory/2296-3-0x0000000000400000-0x0000000001A29000-memory.dmp

      Filesize

      22.2MB

    • memory/2296-6-0x0000000000400000-0x0000000001A29000-memory.dmp

      Filesize

      22.2MB

    • memory/2296-8-0x0000000003770000-0x000000000377B000-memory.dmp

      Filesize

      44KB

    • memory/3316-4-0x0000000002980000-0x0000000002996000-memory.dmp

      Filesize

      88KB