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Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/10/2022, 21:37

General

  • Target

    efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe

  • Size

    218KB

  • MD5

    bac8cfed019f44e5a79a386b29303c2b

  • SHA1

    30d13bc1ddca32d7619463a4ab7dcbf18a283d9f

  • SHA256

    efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b

  • SHA512

    43c0712ea3bc4a27b2ba0ccd7b80db62f3288b8f8c7459c08c6f819b83dc1dc4024038284a285d936493cc06e4944da199b295c6866155b11209edb1a676073b

  • SSDEEP

    3072:kaLJ4GIPm2ql3gIRLHtm6VZvbn59D57Rt3GmdWr+3qL/JcnWzzYYhx:kaE+2+QmLHtmWZvbpX9OfLxaSth

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\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe
    "C:\Users\Admin\AppData\Local\Temp\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Users\Admin\AppData\Local\Temp\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe
      "C:\Users\Admin\AppData\Local\Temp\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3028-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3028-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3028-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/5016-134-0x0000000000868000-0x0000000000879000-memory.dmp

    Filesize

    68KB

  • memory/5016-135-0x0000000000610000-0x0000000000619000-memory.dmp

    Filesize

    36KB