Resubmissions

25-04-2024 14:12

240425-rhw8fsbe65 10

25-04-2024 03:15

240425-dsawbaee6w 10

Analysis

  • max time kernel
    602s
  • max time network
    602s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 14:12

General

  • Target

    86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe

  • Size

    258KB

  • MD5

    266b52ae0665636fe76ba86cc9207173

  • SHA1

    a4fb9e83f5f6200d17f999768a85ec06690e3987

  • SHA256

    86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e

  • SHA512

    515909078bc3a68f93ed1cdb375fe9fec005503fe77d7296690e17ed134ed35d21a414269673f6814ad62fa2fbe6953239c9b839d4f48002da822c956a62dcdc

  • SSDEEP

    3072:iR9Xnd8ur2QCGUIj+jeNBl/weuW/MxDhxir6LMTt7/IjYzv311jOjshFuvTR5:2d8HT8jd/we2DWr6LMTt7gMzv1BOj7z

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 AdjustPrivilegeToken 4 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\86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
    "C:\Users\Admin\AppData\Local\Temp\86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1964
  • 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=3872 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4624
    • C:\Users\Admin\AppData\Roaming\hiedffj
      C:\Users\Admin\AppData\Roaming\hiedffj
      1⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3952
    • 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=3744 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4348

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Discovery

      Query Registry

      2
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\hiedffj
        Filesize

        258KB

        MD5

        266b52ae0665636fe76ba86cc9207173

        SHA1

        a4fb9e83f5f6200d17f999768a85ec06690e3987

        SHA256

        86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e

        SHA512

        515909078bc3a68f93ed1cdb375fe9fec005503fe77d7296690e17ed134ed35d21a414269673f6814ad62fa2fbe6953239c9b839d4f48002da822c956a62dcdc

      • memory/1964-1-0x0000000004250000-0x0000000004350000-memory.dmp
        Filesize

        1024KB

      • memory/1964-2-0x00000000041A0000-0x00000000041AB000-memory.dmp
        Filesize

        44KB

      • memory/1964-4-0x0000000000400000-0x0000000004034000-memory.dmp
        Filesize

        60.2MB

      • memory/1964-7-0x00000000041A0000-0x00000000041AB000-memory.dmp
        Filesize

        44KB

      • memory/3348-3-0x0000000002D90000-0x0000000002DA6000-memory.dmp
        Filesize

        88KB

      • memory/3348-15-0x00000000029B0000-0x00000000029C6000-memory.dmp
        Filesize

        88KB

      • memory/3952-14-0x00000000042C0000-0x00000000043C0000-memory.dmp
        Filesize

        1024KB

      • memory/3952-18-0x0000000000400000-0x0000000004034000-memory.dmp
        Filesize

        60.2MB