Resubmissions

26-05-2024 15:37

240526-s2wayacc24 10

26-05-2024 08:27

240526-kcemwsdb67 10

Analysis

  • max time kernel
    151s
  • max time network
    157s
  • 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 08:27

General

  • Target

    2.exe

  • Size

    234KB

  • MD5

    4d956ba3709b6be0cc4910690ef93f0b

  • SHA1

    699a84b4e11844653e1d0cf90d9efda870d737fd

  • SHA256

    91713a00dd18d04d68a6b34ac3c20206f1bd38cfb72506ef32baadd380c3f993

  • SHA512

    21aac4778a9daa054f1b2fde63854d93cff419f62ccf1eb77a584c8560bbdfac39f07b7df70399be1250ec2dc856c053901206edfacdba706bb844cec6dddf7f

  • SSDEEP

    3072:25BjyAijBcIXby+Gl7BVqlrovGJnVAS+CamnIys7TEkA8C7uT8:EajBxm74OGeCao2rA8CKT

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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\2.exe
    "C:\Users\Admin\AppData\Local\Temp\2.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1188
  • 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=3688 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1188-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

      Filesize

      1024KB

    • memory/1188-2-0x0000000002E60000-0x0000000002E6B000-memory.dmp

      Filesize

      44KB

    • memory/1188-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1188-9-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1188-8-0x0000000002E60000-0x0000000002E6B000-memory.dmp

      Filesize

      44KB

    • memory/1188-5-0x0000000000400000-0x0000000002C9A000-memory.dmp

      Filesize

      40.6MB

    • memory/3332-4-0x00000000023F0000-0x0000000002406000-memory.dmp

      Filesize

      88KB