Overview

overview

7

Static

static

3

OAR_tool.exe

windows10-2004-x64

7

OAR_tool.exe

windows11-ltsc_2024-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/10/2026, 15:21

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    OAR_tool.exe
  • Size 12.1MB
  • Sample261018-srkrfset6q
  • SHA256 63bf362cc00f1b45e93c63932bcb800e49671c327da32cd1e690e5ebc8498208
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryexecution

Malware Config

Signatures

  • Loads dropped DLL 20 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OAR_tool.exe
    "C:\Users\Admin\AppData\Local\Temp\OAR_tool.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Users\Admin\AppData\Local\Temp\OAR_tool.exe
      C:\Users\Admin\AppData\Local\Temp\OAR_tool.exe
      2⤵
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
        • Executes a command shell one-liner
        PID:2888
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1584

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          _ctypes.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ctypes.pyd
          • Size 130KB
          • SHA256 dfa65498c77e71f038883337d2b5ffd92508489e79e6ee5e96ddec4ecf2a7fa1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _tkinter.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_tkinter.pyd
          • Size 67KB
          • SHA256 bda0bb38efb2d60d2c75049e2b4ba13ca0ec0f16b1a443419346442cddaf1ea1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          blue.json
          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\customtkinter\assets\themes\blue.json
          • Size 4KB
          • SHA256 c9417470c16ced7a43d6c4a8e027afa6edc62c24d5aee7c4c2dcd11385964d3b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          pyexpat.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\pyexpat.pyd
          • Size 201KB
          • SHA256 719dc29fee125f0d5026319da9a3001c130c84419db7ef7c5473fb496d56cfc2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          OAR_tool.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\OAR_tool.dll
          • Size 15.8MB
          • SHA256 db3da5d1a33331000f7482779b8c92fd265b8a2ddcd027881c434dfbc6437cb0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _imaging.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\PIL\_imaging.pyd
          • Size 2.4MB
          • SHA256 010808cd1eb564aeaee8ba65ab2e20ae07f9bd9cbab8dba1d88931bc6842de0f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _bz2.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\_bz2.pyd
          • Size 84KB
          • SHA256 b3dd7cea6d03342252834cebcc814af37d850b86d0627fa22b7f6990882f2f8b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _elementtree.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\_elementtree.pyd
          • Size 133KB
          • SHA256 58339737dd818a6d0bac98403158677f2f7d54adc7c673b9a8a18c8b19ab11f6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _hashlib.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\_hashlib.pyd
          • Size 67KB
          • SHA256 1a3010b06c2fcd625dece3dd0883ca060e98b94adc062b06cb1a671cfc3b5caf
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _lzma.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\_lzma.pyd
          • Size 155KB
          • SHA256 f20be6a9fee8fb5d53170c4bc24a39b48d3c0ccbe8e2000e60ff7d65b77c6ea1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _socket.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\_socket.pyd
          • Size 84KB
          • SHA256 127a39d2198f17dd9b573904fe7e4040c7c8718753e6c4edee2ff6c35f487fac
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _wmi.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\_wmi.pyd
          • Size 38KB
          • SHA256 3be5e14e9a9dc49f099209dee98b9cb5e31ade3b0deab52277026bb14df5bdb6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libcrypto-3.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libffi-8.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python313.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\python313.dll
          • Size 5.8MB
          • SHA256 41ec4fc4e5bc8b207258590238f7f050b13fdfee84c4a7b1ecff6e945d031a10
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          select.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\select.pyd
          • Size 32KB
          • SHA256 9cc1ef0264060099503592db57ee7d7c1f8d6bea689b2ed125919c7a30b7ab7f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tcl86t.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl86t.dll
          • Size 1.8MB
          • SHA256 a308beae8555cff5ac2aff7eaf0aef40b5fe173f047e246dc49da9a4d3ef62f9
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          msgcat-1.6.1.tm
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl8\8.5\msgcat-1.6.1.tm
          • Size 34KB
          • SHA256 adca186be560f2236265f538d4cb6df1171bed91192118796988bb9c08a4bc7c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          auto.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\auto.tcl
          • Size 21KB
          • SHA256 08113823951619d659eb03a1f6acd2f9500e1264795219125a5df7b83cabcb99
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          cp1252.enc
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\encoding\cp1252.enc
          • Size 1KB
          • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          pkgIndex.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\http1.0\pkgIndex.tcl
          • Size 746B
          • SHA256 77265723959c092897c2449c5b7768ca72d0efcd8c505bddbb7a84f6aa401339
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          init.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\init.tcl
          • Size 25KB
          • SHA256 acacce15658dd7ce8f69b1e3d3a94770a22972a8e906eb3b61cd06f0ecd5db59
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          pkgIndex.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\opt0.4\pkgIndex.tcl
          • Size 636B
          • SHA256 68accee3eb8d0f134f9472c95425190ec08e7793df20a58d7d35325f42804695
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          package.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\package.tcl
          • Size 23KB
          • SHA256 b471cec9056b62d562020b14d69d4bd1f92dfe158afc8ba81c6341836211ca46
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tclIndex
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\tclIndex
          • Size 7KB
          • SHA256 577f042bbe640e2739606a1f76098abdb8bd1d1f31526402fb82b21091644f65
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tm.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tcl\tm.tcl
          • Size 11KB
          • SHA256 f0cc13daca21fee538cca757aa09e88a969a85174eda26e61e573dda6c7ba413
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tk86t.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk86t.dll
          • Size 1.5MB
          • SHA256 20f4876506bce7f89e53570e64fd1dce30a64548326b45f372871c7019560df4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          button.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\button.tcl
          • Size 21KB
          • SHA256 1f5dd8d81b26f16e772e92fd2a22accb785004d0ed3447e54f87005d9c6a07a5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          entry.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\entry.tcl
          • Size 18KB
          • SHA256 6ac78f764434f932d37e8183aa6db5d04eb1848b774c92f7abc243ecb7d4a59b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          icons.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\icons.tcl
          • Size 10KB
          • SHA256 1264940e62b9a37967925418e9d0dc0befd369e8c181b9bab3d1607e3cc14b85
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          listbox.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\listbox.tcl
          • Size 14KB
          • SHA256 47c75f9f8348bf8f2c086c57b97b73741218100ca38d10b8abdf2051c95b9801
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          menu.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\menu.tcl
          • Size 39KB
          • SHA256 ae4ee8400174c798337b9c60867cbc94f811b249ebe6dea21ec6f960bcf5f8cb
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          panedwindow.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\panedwindow.tcl
          • Size 5KB
          • SHA256 aa4f87e41ac8297f51150f2a9f787607690d01793456b93f0939c54d394731f9
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          pkgIndex.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\pkgIndex.tcl
          • Size 376B
          • SHA256 6127926b94db2992ab450fc6cc2ec3d071f7bbc856656d0ae20cc3fd4036f547
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          scale.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\scale.tcl
          • Size 8KB
          • SHA256 0747a387fdd1b2c7135eceae7b392ed52e1d1ebf3ffa90febe886dbc0981eb74
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          scrlbar.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\scrlbar.tcl
          • Size 12KB
          • SHA256 eec90404f702d3cfbfaec0f13bf5ed1ebeb736bee12d7e69770181a25401c61f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          spinbox.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\spinbox.tcl
          • Size 16KB
          • SHA256 747889c3086c917a34554a9dc495bc0c08a03fd3a5828353ed2a64b97f376835
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          text.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\text.tcl
          • Size 34KB
          • SHA256 f7ecc5ae6eb297c79aad5cfc200b29c4e72409641fa369c5cdbba30ae41e982a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tk.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\tk.tcl
          • Size 23KB
          • SHA256 b7fd24177b17f67da2ca671f711309c65cf246be1fd0cf4f1ab8f3ea9ca2c3f1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          fonts.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\ttk\fonts.tcl
          • Size 5KB
          • SHA256 6574067a91858506460ac44ddf8cf9270e81d67b2feff2a43b4d5f774568a5ec
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ttk.tcl
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\tk\ttk\ttk.tcl
          • Size 5KB
          • SHA256 685398e8db93aebbabfed795e91a42a87aa0e2a2cf23bfcffd70fea085a7ad5e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          vcruntime140.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\vcruntime140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          vcruntime140_1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\vcruntime140_1.dll
          • Size 48KB
          • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          zlib1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\onefile_4756_134368105063902974\zlib1.dll
          • Size 142KB
          • SHA256 1dd27f0411ebb31bd148a61589cee254410915f1e6c37aa3ffa52fac71a5426c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/4228-1030-0x00007FFA2FA50000-0x00007FFA2FA79000-memory.dmp
          Download