Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/09/2023, 09:59

General

  • Target

    8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe

  • Size

    277KB

  • MD5

    84f0becc81f99c3ec4d3a1dad6529ed3

  • SHA1

    dae3c6c1d15789b447faaffbb7de3725b07efe0d

  • SHA256

    8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc

  • SHA512

    11d7f8e1613e4cc46425a5762a0ff697feeadfecf1f69cf1a20f5a2c60e741bc2a6b690ed6698eb56bbf0b3dd68567ce0a125a8963bd269151f409ca1a0e6907

  • SSDEEP

    3072:Ms10kPIoT4pQIw8upMpfznHCQxJDeC9hU62Sr33OzC2VxeNJKkW:5VPIokN9zH7TL3yqT

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 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\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
    "C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3836
    • C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe
      "C:\Users\Admin\AppData\Local\Temp\8a52a7eb3cdc85598aaabb68f96ddd313a87551da9205233f44ce3267d280ffc.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2064

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/536-49-0x0000000001320000-0x0000000001330000-memory.dmp

          Filesize

          64KB

        • memory/536-50-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-14-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-15-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-16-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-17-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-18-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-19-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-21-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-20-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-23-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-24-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-25-0x0000000008920000-0x0000000008930000-memory.dmp

          Filesize

          64KB

        • memory/536-26-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-27-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-28-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-30-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-32-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-36-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-34-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-37-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-38-0x0000000008920000-0x0000000008930000-memory.dmp

          Filesize

          64KB

        • memory/536-39-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-40-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-43-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-42-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-41-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-44-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-45-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-46-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-47-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-48-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-13-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-51-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-5-0x0000000002CA0000-0x0000000002CB6000-memory.dmp

          Filesize

          88KB

        • memory/536-52-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-54-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-53-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-58-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-56-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-59-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-60-0x0000000001320000-0x0000000001330000-memory.dmp

          Filesize

          64KB

        • memory/536-61-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-62-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-64-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-63-0x0000000001320000-0x0000000001330000-memory.dmp

          Filesize

          64KB

        • memory/536-66-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-68-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-70-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-73-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-72-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-74-0x0000000001320000-0x0000000001330000-memory.dmp

          Filesize

          64KB

        • memory/536-75-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-78-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-77-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-76-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-79-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-80-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-81-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/536-82-0x0000000002CF0000-0x0000000002D00000-memory.dmp

          Filesize

          64KB

        • memory/2064-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2064-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2064-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3836-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

          Filesize

          1024KB

        • memory/3836-2-0x00000000008C0000-0x00000000008C9000-memory.dmp

          Filesize

          36KB