Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 04:32

General

  • Target
    445e5d06883ce080a5038f7a2fbb85339c8aa557867f14dab4ded83d967fdf06.exe
  • Size 7.3MB
  • Sample241016-e6ayxasgkd
  • SHA256 445e5d06883ce080a5038f7a2fbb85339c8aa557867f14dab4ded83d967fdf06
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 33 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 3 IoCs

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

  • Modifies registry class 63 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\445e5d06883ce080a5038f7a2fbb85339c8aa557867f14dab4ded83d967fdf06.exe
    "C:\Users\Admin\AppData\Local\Temp\445e5d06883ce080a5038f7a2fbb85339c8aa557867f14dab4ded83d967fdf06.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\system32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:2060
      • C:\Users\Admin\AppData\Local\Temp\~6400026182195403627~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\445e5d06883ce080a5038f7a2fbb85339c8aa557867f14dab4ded83d967fdf06.exe" -y -aoa -o"C:\Users\Admin\AppData\Local\Temp\~3444641940784749973"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2524
      • C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\Thunder.exe
        "C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\Thunder.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1584
        • C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\DownloadSDKServer.exe
          "C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\DownloadSDKServer.exe" BDAF7A63-568C-43ab-9406-D145CF03B08C:1584
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          PID:2336

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          TaskDb.dat

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Profiles\TaskDb.dat
          • Size 29KB
          • SHA256 934c8b8482aae02f480f6106af4f3c8fc8d813fbf273bafd0f306eb19ba343ee
          • MD5 SHA1 SHA512 SSDEEP

          config.ini

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Profiles\config.ini
          • Size 189B
          • SHA256 f3b135e417f1ec08d737b80c85ea46140d0910f9cba35d3190909ef815ce2d2e
          • MD5 SHA1 SHA512

          ATL90.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\ATL90.dll
          • Size 156KB
          • SHA256 2a35880f2d240510da7bdf1d36c1348cafefdf22b2bfb4b6de7d01b87e0fa0fd
          • MD5 SHA1 SHA512 SSDEEP

          DownloadKernel.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\DownloadKernel.dll
          • Size 1.8MB
          • SHA256 c63eaa7da673dacb9902b89017b0c3bc1c283fd875fc131cbbd39f0f4d4c0e66
          • MD5 SHA1 SHA512 SSDEEP

          Microsoft.VC90.ATL.manifest

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\Microsoft.VC90.ATL.manifest
          • Size 321B
          • SHA256 49c302727fd760b11be1d618e3d19bd0cdb3ecd1475bdbc7b2e3fb8445d282b3
          • MD5 SHA1 SHA512

          Microsoft.VC90.CRT.manifest

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\Microsoft.VC90.CRT.manifest
          • Size 1KB
          • SHA256 69994f69f683969728f32f83e5a8829682e881c3803b21001e28edf47a68eaf6
          • MD5 SHA1 SHA512

          AssistantTools.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\AssistantTools.dll
          • Size 84KB
          • SHA256 9cc4f8d5e5e1440253ae57f46f75ef9f827d540e479a44f48949c51db06b98b6
          • MD5 SHA1 SHA512 SSDEEP

          DHT.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\DHT.dll
          • Size 110KB
          • SHA256 6828247cc230e6d2d402375527cff23543b33625fcaf0392f4319f89af86fcb4
          • MD5 SHA1 SHA512 SSDEEP

          DownloadSDK.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\DownloadSDK.dll
          • Size 2.6MB
          • SHA256 d00369883e708b75ac6e69d2c0f4be463a99c8ce15dd3fb682ac57d8e0bdb821
          • MD5 SHA1 SHA512 SSDEEP

          DownloadSDKProxy.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\DownloadSDKProxy.dll
          • Size 97KB
          • SHA256 8740077fbbb8c2690c35e0ea509297a1372924aa66f3e460b8f8e87677a4c644
          • MD5 SHA1 SHA512 SSDEEP

          DownloadSDKServer.exe

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\DownloadSDKServer.exe
          • Size 93KB
          • SHA256 50b27bd98e070e6ea6332e7a0d309ede40048ecd1555b1bc0334d9222e2409e8
          • MD5 SHA1 SHA512 SSDEEP

          Ftp.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\Ftp.dll
          • Size 58KB
          • SHA256 f2eb87f6ce7d3b4f69b8476a56d0075c7c96f27580151dd72cea60bd6e219c29
          • MD5 SHA1 SHA512 SSDEEP

          Http.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\Http.dll
          • Size 136KB
          • SHA256 055e71f20919aaaa59fd053e454e4183ae787b1f6ae96bcc0b950626f08c49f7
          • MD5 SHA1 SHA512 SSDEEP

          P2PBase.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\P2PBase.dll
          • Size 1.4MB
          • SHA256 ee7c7195409c34e7b9e0cb09e2880edbf7f39a9085305471593e56962ae9ad58
          • MD5 SHA1 SHA512 SSDEEP

          P2PCommonObjects.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\P2PCommonObjects.dll
          • Size 248KB
          • SHA256 88362d7c60b057156a2fae5e6473f40ff77903240b6047c510048f21188f8b7f
          • MD5 SHA1 SHA512 SSDEEP

          P2PFramework.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\P2PFramework.dll
          • Size 757KB
          • SHA256 3758792b79022105f5c2a73be44de007cb706d12f18594d6a8f70b8b2d91b28f
          • MD5 SHA1 SHA512 SSDEEP

          P2PIO.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\P2PIO.dll
          • Size 163KB
          • SHA256 2f5570c82caa9b463ca7193dfd3a5b8d1b0d7f567f471b240700709865a23d84
          • MD5 SHA1 SHA512 SSDEEP

          P2PStat.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\P2PStat.dll
          • Size 139KB
          • SHA256 574d1b389f7e5ba232d36438e75434c8d4c54c7e6ee93b009c90e417f65aade5
          • MD5 SHA1 SHA512 SSDEEP

          P2PTarget.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\P2PTarget.dll
          • Size 178KB
          • SHA256 a111f5a7ae5412be9b0fce43ad03b70a393957aaf92f9342298a8453d7207806
          • MD5 SHA1 SHA512 SSDEEP

          ProxyVerifier.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\ProxyVerifier.dll
          • Size 29KB
          • SHA256 8cd83306b49b1881dd4f6aaef9080795586c42f02fda68b859d6f9b7a3513730
          • MD5 SHA1 SHA512 SSDEEP

          TcpImpl.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\TcpImpl.dll
          • Size 131KB
          • SHA256 dbcfacdcb6167b2895ddc8a2c511e6da60c7ccfb53a03bab47608012e7c424b9
          • MD5 SHA1 SHA512 SSDEEP

          X509Cert.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\X509Cert.dll
          • Size 35KB
          • SHA256 370e87a91344508240da51865121ff1000ad7075aba29308bd273937759b16a2
          • MD5 SHA1 SHA512 SSDEEP

          XBT.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\XBT.dll
          • Size 415KB
          • SHA256 16e04b0e32bc1bb0d145d51b01177ed296d2a8efbd82133898b7ef42363b0dc5
          • MD5 SHA1 SHA512 SSDEEP

          XLBugHandler.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\XLBugHandler.dll
          • Size 89KB
          • SHA256 a117eab24d035e4b49e37f4d95f0821eb6fe7b51c83a0a6f360117b392fe1603
          • MD5 SHA1 SHA512 SSDEEP

          XLReImport.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\XLReImport.dll
          • Size 229KB
          • SHA256 05b8e01e9377b7aed07dc317b92f8d5c0706def1a93f20f7979560dd79ed1ecd
          • MD5 SHA1 SHA512 SSDEEP

          Xdt.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\Xdt.dll
          • Size 366KB
          • SHA256 8d61ffbada7815c7d4c51b85e53583ba9494bacf700b21f51c2ca709b0de0597
          • MD5 SHA1 SHA512 SSDEEP

          statXml.xml

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\statXml.xml
          • Size 1KB
          • SHA256 86159460021c248702d03d4a0429f673c1b89c383ab39108376982e1a3112f26
          • MD5 SHA1 SHA512

          upnp.exe

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\upnp.exe
          • Size 33KB
          • SHA256 450126cf1785cfeafc9bc941784bd218dd6b368dbc8f49cf534c368c50856e03
          • MD5 SHA1 SHA512 SSDEEP

          DownloadDispatcher.xta

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\xar\DownloadDispatcher.xta
          • Size 911KB
          • SHA256 a10bc324edd24b4420194ca3a140aeb2e07e95ffbf73fbb4f445ade4510e94cb
          • MD5 SHA1 SHA512 SSDEEP

          xlnr.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\SDK\xlnr.dll
          • Size 846KB
          • SHA256 8dfdd2e63e6484fb293b21e30d36a8b69b976fcdefca605283127a9e6d1d51bf
          • MD5 SHA1 SHA512 SSDEEP

          Thunder.exe

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\Thunder.exe
          • Size 1.0MB
          • SHA256 5745d5310224ab5ba0a296727304d66f82e1db4824e6d3bd4f22e89fd948061d
          • MD5 SHA1 SHA512 SSDEEP

          XLGraphicPlus.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\XLGraphicPlus.dll
          • Size 263KB
          • SHA256 d700c456bbd9b843029e391e312a00ebf76d25bdf71f7a42276e362c126e6d0a
          • MD5 SHA1 SHA512 SSDEEP

          XLUE.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\XLUE.dll
          • Size 2.4MB
          • SHA256 59a63592683e925a464b071620a3872a2f53a012b3d54c4aa20e8fc5ff7671ce
          • MD5 SHA1 SHA512 SSDEEP

          XLUserS.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\XLUserS.DLL
          • Size 298KB
          • SHA256 3d21cfe391d33a9239f9fdda2b444af4312ec60b2878bdab14d9225ef032752a
          • MD5 SHA1 SHA512 SSDEEP

          msvcp71.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\msvcp71.dll
          • Size 492KB
          • SHA256 c441bb358a4bcbc431acbd32575783f923d78f6a11c9ea8a7b0e7fc73c6d5f89
          • MD5 SHA1 SHA512 SSDEEP

          msvcp90.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\msvcp90.dll
          • Size 555KB
          • SHA256 4f7ed27b532888ce72b96e52952073eab2354160d1156924489054b7fa9b0b1a
          • MD5 SHA1 SHA512 SSDEEP

          msvcr71.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\msvcr71.dll
          • Size 340KB
          • SHA256 96243615f3d6d371f622731f22c7ce98ee7bcfcd967586aea8e7db4727721ece
          • MD5 SHA1 SHA512 SSDEEP

          msvcr90.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\msvcr90.dll
          • Size 640KB
          • SHA256 ed0170d3de86da33e02bfa1605eec8ff6010583481b1c530843867c1939d2185
          • MD5 SHA1 SHA512 SSDEEP

          xlstat4.dll

          • Path C:\Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\xlstat4.dll
          • Size 217KB
          • SHA256 45609e15848c2c22c43ded55a5fbb55da79e3007328605af77fa671ce5eb9cee
          • MD5 SHA1 SHA512 SSDEEP

          .library-ms

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\.library-ms
          • Size 279B
          • SHA256 d6ff0776ac39345c473ef996c3f9a25538b6132700be965db7480d59314c2c06
          • MD5 SHA1 SHA512

          .library-ms

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\.library-ms
          • Size 279B
          • SHA256 59c163cb9f40b2e18fa5f11775c91a4d83ec8a227a400580d1d6a050d5329cad
          • MD5 SHA1 SHA512

          BaseCommunity.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\BaseCommunity.dll
          • Size 236KB
          • SHA256 4cf6d5a5d46284f6aab05fb548cdf36ec7b6455a2a43d7036ac71f42cddf7d29
          • MD5 SHA1 SHA512 SSDEEP

          XLFSIO.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\XLFSIO.dll
          • Size 191KB
          • SHA256 738fb3715193df719659ef4158f5ab9f4cfefbe26f6bff060cb678b5ac6202ad
          • MD5 SHA1 SHA512 SSDEEP

          XLGraphic.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\XLGraphic.dll
          • Size 712KB
          • SHA256 4660614dffa44cf2fcc336363040e2d35ae05242d358c358033c86176a5ec623
          • MD5 SHA1 SHA512 SSDEEP

          XLLuaRuntime.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\XLLuaRuntime.dll
          • Size 223KB
          • SHA256 f71877de6fd2b9cdae9c3803a56b4660ba51e24a2edf9e63a5eb08cff4003a3f
          • MD5 SHA1 SHA512 SSDEEP

          libexpat.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\libexpat.dll
          • Size 95KB
          • SHA256 0c13bc67f814f6ac39b6735c9f974f8d34ca67d25174fa67f945fa53ae1856e8
          • MD5 SHA1 SHA512 SSDEEP

          libpng13.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\libpng13.dll
          • Size 152KB
          • SHA256 9432c6a8b0e82eb6e5f5cdfbc9c45e0ffda389fb2743169b622e3c38da0f9737
          • MD5 SHA1 SHA512 SSDEEP

          sqlite3.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\sqlite3.dll
          • Size 459KB
          • SHA256 dd77fe752bbeca5a1d454dbb44a7873f204386308ea44005f7f02fa91d9067c2
          • MD5 SHA1 SHA512 SSDEEP

          zlib1.dll

          • Path \Users\Admin\AppData\Local\Temp\~3444641940784749973\Program\zlib1.dll
          • Size 57KB
          • SHA256 c8dcf9df40d45d6a25e61eb186a4964da48017eb449809117627c90d6099cce8
          • MD5 SHA1 SHA512 SSDEEP

          sg.tmp

          • Path \Users\Admin\AppData\Local\Temp\~6400026182195403627~\sg.tmp
          • Size 715KB
          • SHA256 4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc
          • MD5 SHA1 SHA512 SSDEEP

          memory/1584-178-0x0000000021ED0000-0x0000000021EFA000-memory.dmp

          memory/1584-185-0x00000000002F0000-0x000000000032D000-memory.dmp

          memory/1584-193-0x00000000214E0000-0x000000002151F000-memory.dmp

          memory/1584-192-0x00000000006C0000-0x0000000000935000-memory.dmp

          memory/1584-190-0x00000000006C0000-0x0000000000935000-memory.dmp

          memory/1584-181-0x00000000002B0000-0x00000000002E5000-memory.dmp

          memory/1584-177-0x00000000227E0000-0x00000000227F2000-memory.dmp

          memory/1584-198-0x0000000022F80000-0x0000000022FF6000-memory.dmp

          memory/1584-199-0x00000000218A0000-0x0000000021A6B000-memory.dmp

          memory/1584-291-0x0000000076930000-0x0000000076A40000-memory.dmp

          memory/1584-246-0x0000000076930000-0x0000000076A40000-memory.dmp

          memory/1584-206-0x0000000000400000-0x0000000000550000-memory.dmp

          memory/1584-187-0x00000000002F0000-0x000000000032D000-memory.dmp

          memory/1584-247-0x0000000076930000-0x0000000076A40000-memory.dmp

          memory/1584-208-0x0000000036940000-0x0000000036950000-memory.dmp

          memory/1584-212-0x0000000076930000-0x0000000076A40000-memory.dmp

          memory/1584-211-0x0000000076930000-0x0000000076A40000-memory.dmp

          memory/1584-210-0x0000000076944000-0x0000000076945000-memory.dmp

          memory/1584-209-0x0000000036940000-0x0000000036950000-memory.dmp

          memory/1584-290-0x0000000076930000-0x0000000076A40000-memory.dmp

          memory/1584-288-0x0000000076930000-0x0000000076A40000-memory.dmp

          memory/2336-284-0x0000000036960000-0x0000000036970000-memory.dmp

          memory/3040-287-0x0000000000400000-0x000000000055F000-memory.dmp

          memory/3040-0-0x0000000000400000-0x000000000055F000-memory.dmp