Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    08-02-2023 01:27

General

  • Target

    file.exe

  • Size

    194KB

  • MD5

    d7cc5052d4d1f6328deb409e94ff23d6

  • SHA1

    3f990716aa62103899f968393dfe1e7d6b429262

  • SHA256

    4dc5b24eb8c139d9b36474253c0e447159a48555410f4e16d7856dc44cf0884b

  • SHA512

    14b3744267b2df97389a2012c2acfc007f564367a287bf70ccb929b930b39e53cf53a0aa1cb7031572688ae51c989ce4bef678533986868f70d5282fb6e30445

  • SSDEEP

    3072:UGYOIDTRibMslLFfRWbW1a5N3F7x7F/UUUUn0ghZG8ar7oF:UGYbR7sLxEbDlUUUUn0Mwr7

Malware Config

Signatures

  • Detects Smokeloader packer 5 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 7 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:1504
    • 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:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1504-58-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1504-56-0x00000000006FB000-0x000000000070E000-memory.dmp

    Filesize

    76KB

  • memory/1620-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1620-57-0x0000000075C81000-0x0000000075C83000-memory.dmp

    Filesize

    8KB

  • memory/1620-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1620-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB