Analysis

  • max time kernel
    153s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 01:08

General

  • Target

    2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe

  • Size

    309KB

  • MD5

    26ce123ca4fb973543d48c2da9ece87e

  • SHA1

    ab474a3c06831b4f673f400f912f77cd3fd154fd

  • SHA256

    2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf

  • SHA512

    502aa5d8c6c1a2902f22048d862b7d92a008d5a5c34862bd876851275e8217afad479bf02810de60b06f5ba6a557e758d12dd67418f927c784bb464553eb22b7

  • SSDEEP

    6144:0L8EEnOV4QFDXk44lMZzx+dzj8aYI0FjT:0BEn+FDXXZVKzgQ0F3

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

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

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

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 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\2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe
    "C:\Users\Admin\AppData\Local\Temp\2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3672
  • 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=4152 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4820
    • C:\Users\Admin\AppData\Roaming\hdcbbst
      C:\Users\Admin\AppData\Roaming\hdcbbst
      1⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3440

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\hdcbbst

      Filesize

      309KB

      MD5

      26ce123ca4fb973543d48c2da9ece87e

      SHA1

      ab474a3c06831b4f673f400f912f77cd3fd154fd

      SHA256

      2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf

      SHA512

      502aa5d8c6c1a2902f22048d862b7d92a008d5a5c34862bd876851275e8217afad479bf02810de60b06f5ba6a557e758d12dd67418f927c784bb464553eb22b7

    • memory/3408-4-0x0000000003070000-0x0000000003086000-memory.dmp

      Filesize

      88KB

    • memory/3408-17-0x0000000001120000-0x0000000001136000-memory.dmp

      Filesize

      88KB

    • memory/3440-15-0x0000000000B80000-0x0000000000C80000-memory.dmp

      Filesize

      1024KB

    • memory/3440-16-0x0000000000400000-0x0000000000AF6000-memory.dmp

      Filesize

      7.0MB

    • memory/3440-18-0x0000000000400000-0x0000000000AF6000-memory.dmp

      Filesize

      7.0MB

    • memory/3672-1-0x0000000000D90000-0x0000000000E90000-memory.dmp

      Filesize

      1024KB

    • memory/3672-2-0x0000000000C90000-0x0000000000C9B000-memory.dmp

      Filesize

      44KB

    • memory/3672-3-0x0000000000400000-0x0000000000AF6000-memory.dmp

      Filesize

      7.0MB

    • memory/3672-5-0x0000000000400000-0x0000000000AF6000-memory.dmp

      Filesize

      7.0MB

    • memory/3672-8-0x0000000000C90000-0x0000000000C9B000-memory.dmp

      Filesize

      44KB