Analysis

  • user interaction
    yes
  • max time kernel
    48s
  • max time network
    50s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/08/2026, 00:35

General

  • Target
    sims-4-updater-v2.6.6.exe
  • Size 25.2MB
  • Sample260831-axe42seb56
  • SHA256 59a6741c57b772f49721af8eb99a60aee6a9c5c79ede8f831f08711926b79c61
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Loads dropped DLL 35 IoCs
  • Modifies system executable filetype association 2 TTPs 2 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 Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sims-4-updater-v2.6.6.exe
    "C:\Users\Admin\AppData\Local\Temp\sims-4-updater-v2.6.6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:312
    • C:\Users\Admin\AppData\Local\Temp\sims-4-updater-v2.6.6.exe
      "C:\Users\Admin\AppData\Local\Temp\sims-4-updater-v2.6.6.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:1988
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe
    "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe"
    1⤵
    • Modifies system executable filetype association
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:900
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4088
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost
      1⤵
        PID:4716

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd
            • Size 213KB
            • SHA256 ba7fc544994f126cb7485ce52d265d2f32e93c4f1ea1fcd6fcdee3918f271979
            • MD5 SHA1 SHA512 SSDEEP TLSH

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\VCRUNTIME140.dll
            • Size 174KB
            • SHA256 d1f4225df2cd877dbf130d5668a021dce3f94118455ff5ec952061c30afc9ce7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _bz2.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\_bz2.pyd
            • Size 84KB
            • SHA256 1bf985b54f529a3cbb3e52532791cc4d4c64009142d37b54eb3521adec203d5c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ctypes.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\_ctypes.pyd
            • Size 131KB
            • SHA256 96b07339d52c74f2a1dd043df5eb931e4072eed90a3a8715ffec751d818e4117
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _lzma.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\_lzma.pyd
            • Size 155KB
            • SHA256 51815b6474d4216c6a2aeaffdae5d2ff4acb7a0236254f2cfe43247022f3d781
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-console-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-console-l1-1-0.dll
            • Size 22KB
            • SHA256 6b0c4b6372321d49d2e034108d32d6a98c6a14440585fcd177810510fa0f7d6a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-datetime-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-datetime-l1-1-0.dll
            • Size 22KB
            • SHA256 276db780115fcb521b5a8761d739f4b8cdcc8ecbfbb14eb6511147d09d79c630
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-debug-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-debug-l1-1-0.dll
            • Size 22KB
            • SHA256 11ef443d9135822786cd08df9d163a2490e0110f770fca808b65448c35239f0e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-errorhandling-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-errorhandling-l1-1-0.dll
            • Size 22KB
            • SHA256 371a57f185e4e777987201c05f405b1d8dfc67c330743306d3d75d982fd9b51a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-fibers-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-fibers-l1-1-0.dll
            • Size 22KB
            • SHA256 ab9facc89587f2fab21b0e2d85a486c4e63d3ea5fba34d68dfd3fa58d47e4e3f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-file-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-file-l1-1-0.dll
            • Size 26KB
            • SHA256 46dc258e09e89fb0380f79a3068aa4145d3d408673cf5f41c51e4547ca26d678
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-file-l1-2-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-file-l1-2-0.dll
            • Size 22KB
            • SHA256 a1234096d224a6934926744af585b06e89894936241c94ca96b06e1f3298ff02
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-file-l2-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-file-l2-1-0.dll
            • Size 22KB
            • SHA256 10e950ce9e9805bfec35b66b91f8127befeda2fcd6eb216942a84cbc7fbc731c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-handle-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-handle-l1-1-0.dll
            • Size 22KB
            • SHA256 998ea69ed12a6560bfb912168193ccab1765e98ac2dc9ab2ca172c14a599b70a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-heap-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-heap-l1-1-0.dll
            • Size 22KB
            • SHA256 613499df2b19316597f1e95750445948a428baaa00dffb670da63bce5dd6ced5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-interlocked-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-interlocked-l1-1-0.dll
            • Size 22KB
            • SHA256 ba0a561a63d7b551152d1ea89321ab14e658322fccff3c2cfb94251c93a2f2ca
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-libraryloader-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-libraryloader-l1-1-0.dll
            • Size 22KB
            • SHA256 ba3ec15c07bb3a39866e582bf89a9ab9219c7fedcaa1b01a2c481c092cc624c1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-localization-l1-2-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-localization-l1-2-0.dll
            • Size 22KB
            • SHA256 e3ad26ad119d381a193a205e1b3895187a91f3c990d184089dce2a7e1aecea92
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-memory-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-memory-l1-1-0.dll
            • Size 22KB
            • SHA256 19c413b458b1b2a4269173e7515e2a901e604054a3f47e31536b7283bb4a35e8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-namedpipe-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-namedpipe-l1-1-0.dll
            • Size 22KB
            • SHA256 2e8e5d0e95ea5d30ddead534e569a075f0e3264c85f05d363f87a0e114f1865f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-processenvironment-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-processenvironment-l1-1-0.dll
            • Size 22KB
            • SHA256 5687eb9fc4b24d907a7d623bd920307b0ee6eb224c286e322a838e6962148477
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-processthreads-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-processthreads-l1-1-0.dll
            • Size 22KB
            • SHA256 c58c5344362e34146f5fea2a74a672cd1f0849407dc038526b999285066b6402
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-processthreads-l1-1-1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-processthreads-l1-1-1.dll
            • Size 22KB
            • SHA256 cd94372e7130e95d0c69374535146bf03db6f3544008790bd7729cc9718cf923
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-profile-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-profile-l1-1-0.dll
            • Size 22KB
            • SHA256 29231f7fd824c891ae1764e5e7fcf7d6da308b9ae1be44158856ac975c9b4cb6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-rtlsupport-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-rtlsupport-l1-1-0.dll
            • Size 22KB
            • SHA256 85d6d36706f1f88cc2c0facc3044a6ecbefcc568ba365ea91e1924686513269e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-string-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-string-l1-1-0.dll
            • Size 22KB
            • SHA256 dfdb6f7af6f7366558f8b2aebb0819195d49f774518c11219fa015915f0f3c42
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-synch-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-synch-l1-1-0.dll
            • Size 22KB
            • SHA256 5645a329ba737496f4647be4edc53a0231deb3b401ffa5b84502b953d900e4f2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-synch-l1-2-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-synch-l1-2-0.dll
            • Size 22KB
            • SHA256 19fd829b16f1fae61f25938a54ea0e771f454b9a5a0cdb3f778a44df2adc926b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-sysinfo-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-sysinfo-l1-1-0.dll
            • Size 22KB
            • SHA256 cea14e6703df736e30b482c13fc3b6ff4a0d1b1c5691806b41f904a2eda62799
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-timezone-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-timezone-l1-1-0.dll
            • Size 22KB
            • SHA256 5370fdb166f1ba412b29fb0294b453771fb9bb47706117d17f8f1397db388b55
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-core-util-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-core-util-l1-1-0.dll
            • Size 22KB
            • SHA256 ea4d4b3ed34a8fc4a1e7383f3c88f852176efb59e1912f2305b80f17d9205c62
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-conio-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-conio-l1-1-0.dll
            • Size 22KB
            • SHA256 04bb5350f298df56698ebb7b64c47677de5c2294aa02af3a394a124b6a295d76
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-convert-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-convert-l1-1-0.dll
            • Size 26KB
            • SHA256 b71ebb3084cb0db116309dbb960024dcb7baefc412ee52a9b655f2775f9dff43
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-environment-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-environment-l1-1-0.dll
            • Size 22KB
            • SHA256 06dc604e1667f49466a7cac48cdde6518c5c76946f35b7816b8bc47204f8142c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-filesystem-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-filesystem-l1-1-0.dll
            • Size 22KB
            • SHA256 7169560bad818df44435c2d8c05300499da0782500f40a64da7405a08de9a8a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-heap-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-heap-l1-1-0.dll
            • Size 22KB
            • SHA256 bf5211d7b6bceda2bfa532c161f8c522d6b85ef3fc490cc72f8f18bf6cfede47
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-locale-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-locale-l1-1-0.dll
            • Size 22KB
            • SHA256 ce8c4d2f5545767d7af4eb105b01c3bc60e486d778ac6d424bd5671047aa2bc6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-math-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-math-l1-1-0.dll
            • Size 30KB
            • SHA256 dacdb72cbe1d835a4b309d5095a058502c829fa2ec5b19a712001ce7e2720585
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-process-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-process-l1-1-0.dll
            • Size 22KB
            • SHA256 4cf9218970ca534921bf90afb831df4e0552eaadc472fdbb8e02b6566a474004
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-runtime-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-runtime-l1-1-0.dll
            • Size 26KB
            • SHA256 d9c556f76da7c9d0b0c801895d9ef0a66380e445ca11d8403f9c84d97d0e6d84
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-stdio-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-stdio-l1-1-0.dll
            • Size 26KB
            • SHA256 6e285fb8e04c1a8e8c3fcba4633ad05ac898ec74ba85cf85b4b2e9cb30a7b094
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-string-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-string-l1-1-0.dll
            • Size 26KB
            • SHA256 1a5fea370e605360e321efb0b02069b92ea504dcf418e60e549fff573dfd20a9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-time-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-time-l1-1-0.dll
            • Size 22KB
            • SHA256 7f5a449bebeb9bfa7a4f66c04eecf25fa3062f6791f1aa47a513c1b873d46b0d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            api-ms-win-crt-utility-l1-1-0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\api-ms-win-crt-utility-l1-1-0.dll
            • Size 22KB
            • SHA256 17ab3d88d7888e9c8f73edbf046c7d2a1d33aa7098e720284859ef59304ab3e1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            base_library.zip

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\base_library.zip
            • Size 1.3MB
            • SHA256 603659b741abd7bffe5201d2b6f1f073ef0ffb0e3949067c53cb54c00b154afc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libcrypto-3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\libcrypto-3.dll
            • Size 5.0MB
            • SHA256 eaf6d613b95b61a39558d84c50e72630a66c99914292df88e7b54ebd60c5bd34
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libffi-8.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libssl-3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\libssl-3.dll
            • Size 776KB
            • SHA256 cf1a5fdcefa3daf69041f31f98ece1d7911ca4fcb8e9f1043b4d0f459ae4c936
            • MD5 SHA1 SHA512 SSDEEP TLSH

            pyexpat.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\pyexpat.pyd
            • Size 212KB
            • SHA256 b5f57327418750229656c30a809308669797cf30d7da3705f8cd584c2b8a038b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            python3.DLL

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\python3.DLL
            • Size 70KB
            • SHA256 cbc4876275178244905ee45a9ee6ec9fa4bfb9aad6209a03b756d38a186f80d1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            python313.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\python313.dll
            • Size 5.8MB
            • SHA256 6964e590037c41d631fd1215f05af154f7fa68105993c6f573a20689b473f1ac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            select.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\select.pyd
            • Size 32KB
            • SHA256 ddf1221851814943a82ed8a986d228463404da2ada969661bdd69223f14fc050
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tcl86t.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\tcl86t.dll
            • Size 1.8MB
            • SHA256 a308beae8555cff5ac2aff7eaf0aef40b5fe173f047e246dc49da9a4d3ef62f9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tk86t.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\tk86t.dll
            • Size 1.5MB
            • SHA256 20f4876506bce7f89e53570e64fd1dce30a64548326b45f372871c7019560df4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ucrtbase.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI3122\ucrtbase.dll
            • Size 1.1MB
            • SHA256 27247c9dd53eac1939e830fdcfeec3749ee84a1c8fdbe685e1229b09663679c2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1988-1105-0x00007FFAEFBC0000-0x00007FFAEFBE9000-memory.dmp