Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/09/2023, 08:55

General

  • Target

    a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe

  • Size

    321KB

  • MD5

    c311053c6bebbfb1eeaf4593eddd267f

  • SHA1

    793ec0d3711a0864e50f6557cc96b47545da817e

  • SHA256

    a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0

  • SHA512

    cfbb9be7e31fc4f3e193e8409fb9b38b710c3a27fa21284845c8df3ffd05b4223d16b92cfb4724054e29f7663014738f38e6eb81b312ac56cf0a7177d273294c

  • SSDEEP

    3072:QUY9QqhEpdkxgpz8jIJy9RsN7oGY+O3FdfAakOBEtV67ceJ84X6LcrtxdB:TY9dhWdkxgp8IJyoG3FGOE/iceJHV

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 8 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\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe
    "C:\Users\Admin\AppData\Local\Temp\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe
      "C:\Users\Admin\AppData\Local\Temp\a732cf8d4d21e263f45dd45a6e247c39b3e44a2a4c7d0e85cce2fb19bcb82bc0.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2292-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2292-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2292-5-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2292-7-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3124-6-0x00000000022D0000-0x00000000022E6000-memory.dmp

          Filesize

          88KB

        • memory/3124-14-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-15-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-16-0x0000000007DC0000-0x0000000007DD0000-memory.dmp

          Filesize

          64KB

        • memory/3124-17-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-18-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-19-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-20-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-21-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-23-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-25-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-26-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-27-0x0000000008040000-0x0000000008050000-memory.dmp

          Filesize

          64KB

        • memory/3124-28-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-29-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-30-0x0000000008030000-0x0000000008040000-memory.dmp

          Filesize

          64KB

        • memory/3124-31-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-33-0x0000000007DC0000-0x0000000007DD0000-memory.dmp

          Filesize

          64KB

        • memory/3124-32-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-35-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-37-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-39-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-40-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-41-0x0000000008030000-0x0000000008040000-memory.dmp

          Filesize

          64KB

        • memory/3124-42-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-45-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-44-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-47-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-46-0x0000000008040000-0x0000000008050000-memory.dmp

          Filesize

          64KB

        • memory/3124-43-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-49-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-50-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-51-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-52-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-53-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-54-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-55-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-56-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-58-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-59-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-61-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-57-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-62-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-63-0x00000000023D0000-0x00000000023E0000-memory.dmp

          Filesize

          64KB

        • memory/3124-64-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-66-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-65-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-70-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-68-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-67-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-72-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-74-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-75-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-76-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-77-0x00000000023D0000-0x00000000023E0000-memory.dmp

          Filesize

          64KB

        • memory/3124-79-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-78-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-80-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-81-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-82-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-84-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-83-0x00000000027C0000-0x00000000027D0000-memory.dmp

          Filesize

          64KB

        • memory/3124-85-0x00000000023D0000-0x00000000023E0000-memory.dmp

          Filesize

          64KB

        • memory/4856-1-0x0000000002750000-0x0000000002850000-memory.dmp

          Filesize

          1024KB

        • memory/4856-2-0x00000000042F0000-0x00000000042F9000-memory.dmp

          Filesize

          36KB