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Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2023, 01:37

General

  • Target

    file.exe

  • Size

    207KB

  • MD5

    a82c05a968ad2657181e7813c6fddd48

  • SHA1

    836a8f9f8013da945d3a6b8754d28b1ca3ff107b

  • SHA256

    3b8dfb9811e12f5f0c2d35030f7350c5977c5ecd3c6981a1a6515f2a74088a87

  • SHA512

    961bcf8eaffce43fb582991688120f814fe17b4dc788ad0deecf7414d2e44b9092316e83a115c7eae4ad79cf813a2e2187ca5352ed63c13fc6a6d1962138f6fd

  • SSDEEP

    3072:vXtPpMQjnYFeHPFLnOUA5ecsuLqZGJOzCqV6UvSTXUAxNapb:frNjnYFe9LnOUNHuLqZGJwdV6YI2p

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:4632
    • 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:5064

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4632-134-0x0000000002DF9000-0x0000000002E0A000-memory.dmp

    Filesize

    68KB

  • memory/4632-135-0x0000000002D40000-0x0000000002D49000-memory.dmp

    Filesize

    36KB

  • memory/5064-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5064-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5064-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB