Analysis

  • max time kernel
    130s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2025, 19:24

General

  • Target

    rl_3633b51985b6b9175755b0caad89fbcfd81aef6914aeb327ce2dedfb1f1c8b27.exe

  • Size

    416KB

  • MD5

    79875579217d38930dfe270fd7e14df1

  • SHA1

    64138d4d9e4e6615ae74083e14726bcd90e88ff9

  • SHA256

    3633b51985b6b9175755b0caad89fbcfd81aef6914aeb327ce2dedfb1f1c8b27

  • SHA512

    e52c0a297a36d11af497c1531427b8674c7f3de67cf277855e3685e5e5a28febb7effa68864b521b324c32b4fa253a394c1e05f7893847e4c7167d94fac6ccc3

  • SSDEEP

    6144:ZPUIrO0NCh31Alxujw54YsnLiO1ptnvT0lAkuW8GUi/83FrPKoTIf504AO4n2/jd:ZPUIrO0NChSlMw4vn7T0lAnW8BKhj

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rl_3633b51985b6b9175755b0caad89fbcfd81aef6914aeb327ce2dedfb1f1c8b27.exe
    "C:\Users\Admin\AppData\Local\Temp\rl_3633b51985b6b9175755b0caad89fbcfd81aef6914aeb327ce2dedfb1f1c8b27.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe
      "C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1292
  • C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe
    C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe
    1⤵
    • Executes dropped EXE
    PID:6072
  • C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe
    C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe
    1⤵
    • Executes dropped EXE
    PID:4692
  • C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe
    C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe
    1⤵
    • Executes dropped EXE
    PID:1752

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\fd7d287510\nudwee.exe

          Filesize

          416KB

          MD5

          79875579217d38930dfe270fd7e14df1

          SHA1

          64138d4d9e4e6615ae74083e14726bcd90e88ff9

          SHA256

          3633b51985b6b9175755b0caad89fbcfd81aef6914aeb327ce2dedfb1f1c8b27

          SHA512

          e52c0a297a36d11af497c1531427b8674c7f3de67cf277855e3685e5e5a28febb7effa68864b521b324c32b4fa253a394c1e05f7893847e4c7167d94fac6ccc3