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Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 03:22

General

  • Target

    25bf87f1e557c891cdb6ff97f67e9a76eb9fb9b09277ec0e3443c4df7b43550d.exe

  • Size

    176KB

  • MD5

    89372e07625642abca9605c561263531

  • SHA1

    19366790f3ade208b92f3620fcc80d4f037ee956

  • SHA256

    25bf87f1e557c891cdb6ff97f67e9a76eb9fb9b09277ec0e3443c4df7b43550d

  • SHA512

    a70718b93128b708c9c07523b3f23e597d6151d9b24009ccb599c4844f1d084475333fa2416a60f95d96b9b0ac4c1645f39ae864cffb8720131a0648012c89f8

  • SSDEEP

    3072:Dnol91MwYT9M8WAXKdEOdO6Knvmb7/D26YPjvOuc7WWYKlEE2js11lUyGevo:rY91MwY9JWAXKqeKnvmb7/D26YrvOucE

Score
10/10

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 55 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\25bf87f1e557c891cdb6ff97f67e9a76eb9fb9b09277ec0e3443c4df7b43550d.exe
    "C:\Users\Admin\AppData\Local\Temp\25bf87f1e557c891cdb6ff97f67e9a76eb9fb9b09277ec0e3443c4df7b43550d.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Users\Admin\naawi.exe
      "C:\Users\Admin\naawi.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:1264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\naawi.exe

    Filesize

    176KB

    MD5

    51590d921d92ee2006c45c7675ef2a2d

    SHA1

    6ad98cee5e89a921677ef31fb20b8c77406ca9e0

    SHA256

    af546ac64a87e9df03c6a10f748c9b2faec77ba3af3dc3316757e705d3031e0f

    SHA512

    3e54380106d79c6d029833e97127bb982234e446ff22169e2315c7fc3775c657635db903251dac553b0a04cd642d2fd0db8457a04db97a0159daaa69e5a724f2

  • C:\Users\Admin\naawi.exe

    Filesize

    176KB

    MD5

    51590d921d92ee2006c45c7675ef2a2d

    SHA1

    6ad98cee5e89a921677ef31fb20b8c77406ca9e0

    SHA256

    af546ac64a87e9df03c6a10f748c9b2faec77ba3af3dc3316757e705d3031e0f

    SHA512

    3e54380106d79c6d029833e97127bb982234e446ff22169e2315c7fc3775c657635db903251dac553b0a04cd642d2fd0db8457a04db97a0159daaa69e5a724f2