Analysis

  • user interaction
    yes
  • max time kernel
    601s
  • max time network
    605s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 23:06

General

  • Target
    RobloxPlayerInstaller.exe
  • Size 83.5MB
  • Sample260623-23kehagy91
  • SHA256 24e1ce29f65b1c06724061caf0950242ee596a2869fdeac8f4946182048c8727
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 64 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 1 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 43 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5756
    • C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe
      "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5640
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "schtasks /create /tn "xxjouhzjjc" /tr "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI57562\RobloxPlayerInstaller.py" /sc onlogon /f"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:7096
        • C:\Windows\system32\schtasks.exe
          schtasks /create /tn "xxjouhzjjc" /tr "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI57562\RobloxPlayerInstaller.py" /sc onlogon /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3320
  • C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe
    C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6316
    • C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe
      C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "schtasks /create /tn "ybgcfvhdml" /tr "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI63162\RobloxPlayerInstaller.py" /sc onlogon /f"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\System32\schtasks.exe
          schtasks /create /tn "ybgcfvhdml" /tr "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI63162\RobloxPlayerInstaller.py" /sc onlogon /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:6736
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5684
    • C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe
      "C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:5676
      • C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe
        "C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:6536
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "schtasks /create /tn "nlqofbjzuy" /tr "C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI56762\RobloxPlayerInstaller.py" /sc onlogon /f"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3224
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "nlqofbjzuy" /tr "C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI56762\RobloxPlayerInstaller.py" /sc onlogon /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:5872
    • C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe
      C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe
        C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe
        2⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4372
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "schtasks /create /tn "htzwsnplzq" /tr "C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI27162\RobloxPlayerInstaller.py" /sc onlogon /f"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1920
          • C:\Windows\System32\schtasks.exe
            schtasks /create /tn "htzwsnplzq" /tr "C:\Users\Admin\Desktop\RobloxPlayerInstaller.exe C:\Users\Admin\AppData\Local\Temp\_MEI27162\RobloxPlayerInstaller.py" /sc onlogon /f
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:6800
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0 /state0:0xa39d7055 /state1:0x41c64e6d
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:6280
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k CameraMonitor
      1⤵
        PID:6556
      • C:\Windows\system32\ctfmon.exe
        /QuitInfo:0000000000000188;000000000000018C;
        1⤵
        • Modifies data under HKEY_USERS
        PID:3540
      • C:\Windows\System32\oobe\UserOOBEBroker.exe
        C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
        1⤵
        • Drops file in Windows directory
        PID:5372
      • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
        C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
        1⤵
        • System Location Discovery: System Language Discovery
        PID:1224
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:2792

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              _SHA224.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\Crypto\Hash\_SHA224.pyd
              • Size 21KB
              • SHA256 773fac9a1a65b31d22f79a5e4f035ddc00301b741873d334ee9902db1d1bebfd
              • MD5 SHA1 SHA512 SSDEEP TLSH

              euc-cn.enc

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI56762\_tcl_data\encoding\euc-cn.enc
              • Size 84KB
              • SHA256 1700af47dc012a48cec89cf1dfae6d1d0d2f40ed731eff6ca55296a055a11c00
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _Salsa20.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Cipher\_Salsa20.pyd
              • Size 13KB
              • SHA256 9df33c5ee086899c69bd4f3d776b85a493b72e1316c3f8772ac1215d70068a28
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _raw_aes.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Cipher\_raw_aes.pyd
              • Size 34KB
              • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _raw_aesni.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Cipher\_raw_aesni.pyd
              • Size 15KB
              • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _BLAKE2s.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Hash\_BLAKE2s.pyd
              • Size 13KB
              • SHA256 d1ed1ca3c6802954cd8ca6f5e419c54a357b4a04bb802bab876b04b942a4b862
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _SHA1.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Hash\_SHA1.pyd
              • Size 17KB
              • SHA256 8f80524247c830d9bb590d025e15ec34d7d337a16e5c4422e2da0448d06c88a6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _SHA256.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Hash\_SHA256.pyd
              • Size 21KB
              • SHA256 2d57abc0274265d2ab891fba840c05a34831f61ab5c21d0540fc43bd28cc5ae3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _cpuid_c.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Util\_cpuid_c.pyd
              • Size 10KB
              • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _strxor.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\Crypto\Util\_strxor.pyd
              • Size 10KB
              • SHA256 c77f18f1f7a377bc388de0104abf4868d6f0c2ef7ef2b97b34d875cfc3040aac
              • MD5 SHA1 SHA512 SSDEEP TLSH

              VCRUNTIME140.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\VCRUNTIME140.dll
              • Size 117KB
              • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              VCRUNTIME140_1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\VCRUNTIME140_1.dll
              • Size 48KB
              • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _bz2.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_bz2.pyd
              • Size 83KB
              • SHA256 965f199679afa9b31d537d98c3ca8403afd6b9e58e1a463ae47697ae4bf12771
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _ctypes.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_ctypes.pyd
              • Size 129KB
              • SHA256 697d05cac7c167c00ccf22ea4fdbc7a8db93ab9c6421061191558e42478068c5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _hashlib.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_hashlib.pyd
              • Size 68KB
              • SHA256 1430e4a2ed19eda840668a292c39ff44488b598f53e903a61739a86b779ecbfe
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _lzma.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_lzma.pyd
              • Size 156KB
              • SHA256 b78f5a8476139ff04731046459efd047bb8f52dc92c5b2082eabf2929c0ca02d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _queue.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_queue.pyd
              • Size 33KB
              • SHA256 08050f94efe7bdd9d7cbe85b1196de391cac1b30f4a4918610cb174ae529a5db
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _socket.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_socket.pyd
              • Size 84KB
              • SHA256 c63e8e6a369cbe86e57c9823fb48bc5d4e7bb18455b9b001986b4768c49007da
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _sqlite3.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_sqlite3.pyd
              • Size 127KB
              • SHA256 443b801d2a372b67155044a928be68af0a677d1302655e5599131180ddd87659
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _ssl.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_ssl.pyd
              • Size 177KB
              • SHA256 11572f6eb63e43cdc2908812506ffcdab21be2be5931f1e38d856c15f5a79e6c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              _wmi.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\_wmi.pyd
              • Size 39KB
              • SHA256 a7cc096244a497219269a3ee1cf2526a2b613d73fa566749f8f2408f5f4117d4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              base_library.zip

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\base_library.zip
              • Size 1.3MB
              • SHA256 6e8807cb7a051ca7b9cb94375a7de377729fee49df93a41c363e243eb0ae45a5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              cacert.pem

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\certifi\cacert.pem
              • Size 280KB
              • SHA256 9102e6a3644a071ba6cdbd4a53698f291c4a64b18450a08bc046548b6db5cc8b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              md.cp313-win_amd64.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\charset_normalizer\md.cp313-win_amd64.pyd
              • Size 10KB
              • SHA256 76c8700ffc983bbec07468e354039b21e25e49e7c19f43d7343994c90d4bb7bf
              • MD5 SHA1 SHA512 SSDEEP TLSH

              md__mypyc.cp313-win_amd64.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\charset_normalizer\md__mypyc.cp313-win_amd64.pyd
              • Size 122KB
              • SHA256 e9c308245fe01d33ef92c7026115a0a930fd865fbe1bfcefa91e76c6aa32a0b3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libcrypto-3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\libcrypto-3.dll
              • Size 5.0MB
              • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libffi-8.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\libffi-8.dll
              • Size 38KB
              • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libssl-3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\libssl-3.dll
              • Size 776KB
              • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
              • MD5 SHA1 SHA512 SSDEEP TLSH

              python3.DLL

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\python3.DLL
              • Size 70KB
              • SHA256 85d02d4c7e28c0f183415dc2be5fe8e06aa7fa0567673c75c65c0031f59e1e8b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              python313.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\python313.dll
              • Size 5.8MB
              • SHA256 0565965617d94274d7f2c2958d0bef33392cd9d2f346f99d8e1bedbdf264ee85
              • MD5 SHA1 SHA512 SSDEEP TLSH

              select.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\select.pyd
              • Size 32KB
              • SHA256 d1e486de9653640be7c3a9bed04aa716b29ea76a69e1de758dd9fa708f2c9d38
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Lorem ipsum.txt

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
              • Size 1KB
              • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
              • MD5 SHA1 SHA512 TLSH

              sqlite3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\sqlite3.dll
              • Size 1.5MB
              • SHA256 8f3adef8fc3f3870ec29c927d7e418a176326eb234d6589d67518cef389cb28f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ucrtbase.dll

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\ucrtbase.dll
              • Size 1.3MB
              • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              unicodedata.pyd

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI57562\unicodedata.pyd
              • Size 695KB
              • SHA256 e7d0375a7064b1c8916cca7cabf7e3df559fc8463dfdf831f403e95c79499121
              • MD5 SHA1 SHA512 SSDEEP TLSH

              INSTALLER

              • Path C:\Users\Admin\AppData\Local\Temp\_MEI63162\importlib_metadata-8.7.0.dist-info\INSTALLER
              • Size 4B
              • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
              • MD5 SHA1 SHA512

              memory/1928-2320-0x00007FF6B6F50000-0x00007FF6B6F9E000-memory.dmp

              memory/5640-3450-0x00007FF6B6F50000-0x00007FF6B6F9E000-memory.dmp

              memory/5756-3190-0x00007FF6B6F50000-0x00007FF6B6F9E000-memory.dmp

              memory/6316-4383-0x00007FF6B6F50000-0x00007FF6B6F9E000-memory.dmp