Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2023 15:20

General

  • Target

    037cde8cac40b5de7eec8c6f9d149e2c.exe

  • Size

    260KB

  • MD5

    037cde8cac40b5de7eec8c6f9d149e2c

  • SHA1

    85ea2a77bc93c7edda70cd33dc29b1992fd72f98

  • SHA256

    3a41417f6fbac1756a6929f1608f470c4ea2ab69ed434815afb0db788b3e9784

  • SHA512

    6f7f31d265fe26ab1e834db00d8633071e2e0949229c2f59388960c61eb18d7adf827cff9bcf657c7489d3c60ea03aefc5a50f84c6202441386628e843f59c69

  • SSDEEP

    3072:cgfAlNTvh25n/kZoSUjMqXnpWAkpAmTSrMaIOYt/jo7LAtPhjjtZnfHFEoWBfGVu:cdGgTSrMaIl/jcLijfHFEHWzXvjT85R

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\037cde8cac40b5de7eec8c6f9d149e2c.exe
    "C:\Users\Admin\AppData\Local\Temp\037cde8cac40b5de7eec8c6f9d149e2c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3784
    • C:\Users\Admin\neeepem.exe
      "C:\Users\Admin\neeepem.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\neeepem.exe

    Filesize

    260KB

    MD5

    e3b68f776af26c235a47ac146071f257

    SHA1

    d2417471dc970bfc2734bd14673415eca2806d87

    SHA256

    32b3e23e0063628761c8fea503c761f877af48d48a7625125caf06a20ea28039

    SHA512

    76c94d45f52f04b8c75fc8ab2b73a59df59728d25b859a5a2e8c64d740c863a1474829fd80aae94c00aa416d6a6af8940a439c759114a772a2a9fc3f49043988