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Analysis

  • max time kernel
    168s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/02/2023, 06:22

General

  • Target

    file.exe

  • Size

    196KB

  • MD5

    b8b3e591802e185bf74627c0d01adc06

  • SHA1

    adf4eb7409ff950f1e7172863c78b09ab67a7606

  • SHA256

    594570e97b5ad499baec0899a67b8435e185f3345fd73ef692b1919d24ce48fa

  • SHA512

    e0d78c90e182aac599a31b273facd226cdd6a75ec3bc5476f4f88ccb65a5b9335dd908c1728a8d5770d86d245089d32a7fe42e6875740dc4b80eb7019d0d4015

  • SSDEEP

    3072:1RGPORvVi5+dOKL8OQWKd56BSmF0XeCEiCQ/z0dFfpWUJf/Ebn88t:3GPsBVLZQ6litwFfpjJnw7

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:1252
    • 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:3176

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1252-134-0x00000000008FD000-0x0000000000910000-memory.dmp

    Filesize

    76KB

  • memory/1252-135-0x00000000006F0000-0x00000000006F9000-memory.dmp

    Filesize

    36KB

  • memory/3176-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3176-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3176-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB