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Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2022, 20:10

General

  • Target

    file.exe

  • Size

    227KB

  • MD5

    6e30b4b845eac4c903ab7f84e823104e

  • SHA1

    85044bab31faec5aa58cb47b13f0701391df2526

  • SHA256

    d71610b0f4ea5c8b436bc7b71903037fd2bed8e9af6b9fdcf876ee36cf633d25

  • SHA512

    be8af6ab9f613d387e723a1520864014220172965c9d051e00e6a0f7d8c26377c7fe5083ec1d8d2ca801a909c1bf169647cff0ebb176c082f9ed0af870256d1d

  • SSDEEP

    3072:CPK1LGkB57K6BiNwPa5oK7DKNWR3FjLpt1bfRlTe+V+Y700:vLGk3K6PPa5oKpR3JH1jRl6+Vl7l

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:4772
    • 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:4380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4380-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4380-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4380-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4772-135-0x0000000002190000-0x0000000002199000-memory.dmp

    Filesize

    36KB

  • memory/4772-134-0x00000000006DD000-0x00000000006ED000-memory.dmp

    Filesize

    64KB