Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2023 03:27

General

  • Target

    file.exe

  • Size

    195KB

  • MD5

    6b8d09fc5b23d9a3b9fdde8b205a00da

  • SHA1

    e20aa7580f3baa89531dc8b86ad83a71b8ce9b12

  • SHA256

    fe9dacb7f9220c1276cd630fc69b6e28300886424795880f12b315308c9284d7

  • SHA512

    0fd5c1ea55dab5e6a0036bc83d1d7bfe8bf8d81ec7d8c2cae0fdb248f43d12e91e15508d7e733d423a33854f969392be8217dcf6a72ade0919add37e91905fe3

  • SSDEEP

    3072:OJvuIa5zNmGoFJOMqB+EHqo4aG8QQVM7CbLVUSd+usewo0/zEX:OIDNxPRB+EsxZQVaCfVfd+tzzzg

Malware Config

Signatures

  • Detects Smokeloader packer 4 IoCs
  • 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2472-134-0x00000000006C9000-0x00000000006DC000-memory.dmp

    Filesize

    76KB

  • memory/2472-135-0x0000000000630000-0x0000000000639000-memory.dmp

    Filesize

    36KB

  • memory/4880-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4880-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4880-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB