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30/11/2025, 12:12

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250331-fzmvkawnz8

Analysis

  • max time kernel
    441s
  • max time network
    451s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    31/03/2025, 00:22

General

  • Target
    RansomwareSamples/DearCry_13_03_2021_1292KB.exe
  • Size 1.3MB
  • Sample250331-apdw1ssjs8
  • SHA256 2b9838da7edb0decd32b086e47a31e8f5733b5981ad8247a2f9508e232589bff
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\readme.txt

  • dearcry

Ransom Note
  • Your file has been encrypted! If you want to decrypt, please contact us. [email protected] or [email protected] And please send me the following hash! 638428e5021d4ae247b21acf9c0bf6f6

Signatures

  • DearCry

    DearCry is a ransomware first seen after the 2021 Microsoft Exchange hacks.

  • Dearcry family
  • Renames multiple (6603) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops desktop.ini file(s) 4 IoCs
  • Drops file in Program Files directory 64 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DearCry_13_03_2021_1292KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DearCry_13_03_2021_1292KB.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:5284

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        rhp_world_icon_hover.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\images\rhp_world_icon_hover.png
        • Size 388B
        • SHA256 676d1f912a22a12ad4c80bf552355a7e0995c56e6ef7527aaa9b77e513efc065
        • MD5 SHA1 SHA512

        rhp_world_icon_2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\images\themes\dark\rhp_world_icon_2x.png
        • Size 552B
        • SHA256 2fcd2848cbcab1a3b8154138288cc659cd2c187412cb887eec6554b6165b8c33
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\en-il\ui-strings.js
        • Size 1KB
        • SHA256 13370a65ca7e31fbf3a133156c208bf99c01a54880d55a8a4500495683e3a47f
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\sk-sk\ui-strings.js
        • Size 1KB
        • SHA256 c1ea4ada9462abd4ec352dfaf670575e9caff1e55d303db96a2f2500d50d92e8
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\root\ui-strings.js
        • Size 1KB
        • SHA256 8ced84488e1ea81e8cc3ec1a25f5b849de902601bef557b6ec65f9de2982bece
        • MD5 SHA1 SHA512

        example_icons.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\images\example_icons.png
        • Size 683B
        • SHA256 3add439f478220ce8001abf2543810144a0d80f8116bc0ca13947c9745983c55
        • MD5 SHA1 SHA512

        example_icons2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\images\example_icons2x.png
        • Size 1KB
        • SHA256 03ab6f2f396e0531f1b1299b61485408cff93f183942910a7d0d5f0c7a666bd8
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\root\ui-strings.js
        • Size 1KB
        • SHA256 3b5888b652cd86408bdd59e86405d3f171d23132059228544fbe693cfcb2b73c
        • MD5 SHA1 SHA512

        rhp_world_icon.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon.png
        • Size 445B
        • SHA256 ba5a59d879c1f6543b46085d02f5c90fdb22e663487d3586b6533cd887c83b72
        • MD5 SHA1 SHA512

        rhp_world_icon_2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon_2x.png
        • Size 611B
        • SHA256 a90f0edb8324760029a5db9f641b05694f8717c25514b2d6abde7662c827e0cb
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\en-il\ui-strings.js
        • Size 1KB
        • SHA256 019bad9e72430b758828953e3310007695c55fed1d25fdd707c76fec561f2bc5
        • MD5 SHA1 SHA512
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\@1x\[email protected]
        • Size 162B
        • SHA256 e8c6ae3d3f05d53d58200db3f31383861d434c6abbf66f82e925321029058a10
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\js\nls\ui-strings.js
        • Size 1KB
        • SHA256 1265f683d27701f95b545e6201577fb4eadf5dcfbc1fc8cedb8dd39635515788
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\tr-tr\ui-strings.js
        • Size 856B
        • SHA256 0e8fb0e6e1dd239a2a1996059914a5ec5e753782527c1a07c62d808eb77df3e0
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\ui-strings.js
        • Size 1KB
        • SHA256 5812ebbc6311c0ff9919a27137b22435cbca3cb9fd56959b44ddb82f93609b99
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\zh-cn\ui-strings.js
        • Size 850B
        • SHA256 1180e5728ff28a49eec43c61f15d49541419e79397ae58479db67b533d292d36
        • MD5 SHA1 SHA512

        main-selector.css

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\css\main-selector.css
        • Size 802B
        • SHA256 aff85e66d5b690dc0188f4c2348ca78abdc14605286128407242a4e91a684754
        • MD5 SHA1 SHA512

        bg_pattern_RHP.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\images\themes\dark\bg_pattern_RHP.png
        • Size 179B
        • SHA256 d03f54aaa9216f4e32053928ce87a317341232f107140c84f73b2b6490b5a81a
        • MD5 SHA1 SHA512

        bg_patterns_header.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\images\bg_patterns_header.png
        • Size 703B
        • SHA256 e324ff224bfa2baf51d4ab75f686195a76b8c984676c450ed660eb9ca2b36f4e
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\en-gb\ui-strings.js
        • Size 823B
        • SHA256 152f6d0325802be61521bff49a8dd07063feaffeb2447d3ae6f47adf214cbffb
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\ui-strings.js
        • Size 1KB
        • SHA256 ab2b7de642b66db6e6b610dab8fb3c94c972465e07b7f681127c40a6629d8c2e
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\root\ui-strings.js
        • Size 924B
        • SHA256 a8b45a4c0a3adae007e8ef6b3a0e9966d2ad0c552320210a778109e2799f6c75
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\tr-tr\ui-strings.js
        • Size 931B
        • SHA256 efec14a7f219aff9e96c136933c0316abbabfa082b5755a86b2745c0a8423a79
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\fi-fi\ui-strings.js
        • Size 1KB
        • SHA256 1beae6b25a652882189f27e3b52232bc3451a54eeedf3e5cb0eb827fe15032f9
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\eu-es\ui-strings.js
        • Size 851B
        • SHA256 60624904ad10defbfcafa3acd5dac4c7c5040edde23bff489b6b32ea5a1403ad
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\he-il\ui-strings.js
        • Size 855B
        • SHA256 cde2dda4b1709d6591356e21717833ecf9802dc119d719e9dbbc97b090158644
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\hr-hr\ui-strings.js
        • Size 849B
        • SHA256 d3bdbdce059d04ec6e336179e6262bc694def0fcc5fe4b006953dbf178dbb30c
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\ru-ru\ui-strings.js
        • Size 852B
        • SHA256 bbce03b612d22d42e40207a0ac4b6492ab0ad8c2cf4690377929f4cad738954d
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\ko-kr\ui-strings.js
        • Size 1KB
        • SHA256 f054ff5e3f41e79c647bd03dc9ad1bad42f8292c7e7b839088faeb8abc182ff4
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\root\ui-strings.js
        • Size 1KB
        • SHA256 f3a76de64a79cd7afa5438bb0a4f4330a97497246fe00f7b29fb690e2ffe32cd
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\sv-se\ui-strings.js
        • Size 1KB
        • SHA256 d30e4139d68728b1c0b7c0fdccf649fc98c269f0d57c08e1d2033c13f162c29a
        • MD5 SHA1 SHA512

        dd_arrow_small.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\images\themes\dark\dd_arrow_small.png
        • Size 289B
        • SHA256 322fa7539ee1552758dbb051fe1199a7b4b247ec8335fb35cabf043d8947466d
        • MD5 SHA1 SHA512

        share_icons.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\images\themes\dark\share_icons.png
        • Size 1KB
        • SHA256 dd6fda1bd17d115065254a8af134a7906d8e15e2725b01223582c3add3240272
        • MD5 SHA1 SHA512

        adc_logo.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\themes\dark\adc_logo.png
        • Size 1KB
        • SHA256 b63bba00ed3b7a86b6ed36ab7d6eede57656454e0a583b875d34ee19466714e4
        • MD5 SHA1 SHA512

        bun.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\bun.png
        • Size 2KB
        • SHA256 c46d21ff4c32097f172b4e99b5794374ed4a1cb025040d157f611f43929e98d5
        • MD5 SHA1 SHA512

        cstm_brand_preview.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\cstm_brand_preview.png
        • Size 2KB
        • SHA256 ff1d90818c6ec24ad8dc4334bed7e72b3ceb9460cdfe3b25ec24d2b31b4c9288
        • MD5 SHA1 SHA512

        dd_arrow_small2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\dd_arrow_small2x.png
        • Size 385B
        • SHA256 122650bd6eea6dc3c3cde5c472c78fe200967b33c6e3f3d2f394d8fb66c3acfe
        • MD5 SHA1 SHA512

        nub.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\nub.png
        • Size 1003B
        • SHA256 44f25bfcbff16b8e7c81ac93d6dcbc312035c81ba6d62e61d4177e23ef62dbff
        • MD5 SHA1 SHA512

        share_icons2x.png

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\share_icons2x.png
        • Size 2KB
        • SHA256 c915635ac032617e1acf87810abd8e8d9825c7e40a74245bc9efcf31d6da9da9
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\es-es\ui-strings.js
        • Size 840B
        • SHA256 f49327d72a4888fee8721962d13a94571e349ba666a0e1354c4f49331e858cff
        • MD5 SHA1 SHA512

        ui-strings.js

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\he-il\ui-strings.js
        • Size 1KB
        • SHA256 ef97178fce43f78773e1c57cebaadd55904a1e5d810f8f75219b23e92c00687d
        • MD5 SHA1 SHA512

        ad-selection-attestations.dat

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\AdSelectionAttestationsPreloaded\ad-selection-attestations.dat
        • Size 63B
        • SHA256 1b58d00f5b1fbd2a1884d666a2be33c2fa7463dff32cd60ef200c0f750a6b70f
        • MD5 SHA1 SHA512

        show_third_party_software_licenses.bat

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\133.0.3065.69\show_third_party_software_licenses.bat
        • Size 270B
        • SHA256 0cef594c2af7dfc584e30d1813f901aaa5f67c13f7b2141b2220d167abc651d3
        • MD5 SHA1 SHA512

        7z.dll

        • Path C:\Program Files\7-Zip\7z.dll
        • Size 1.8MB
        • SHA256 633dd753b32e1458d78280440522f47424131fba4f94aabc2b8289285a08ddda
        • MD5 SHA1 SHA512 SSDEEP

        THIRDPARTYLICENSEREADME-JAVAFX.txt

        • Path C:\Program Files\Java\jre-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt
        • Size 190B
        • SHA256 e290cb91a6aaf54bb397c8f72d0bf5e8a70935ca00abde862e3d13fdf75fdbb0
        • MD5 SHA1 SHA512

        pkcs11wrapper.md

        • Path C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11wrapper.md
        • Size 2KB
        • SHA256 4ab0585ac1cc953813901847e774a0a6e2542bedd0e5964cacf31e421455223e
        • MD5 SHA1 SHA512

        Slipstream.xml

        • Path C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml
        • Size 744B
        • SHA256 d8dc1b9aa2aefd658fae2d9b6bf36318bdda72fcecba0538a1f121592b44e3b6
        • MD5 SHA1 SHA512

        readme.txt

        • Path C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\readme.txt
        • Size 223B
        • SHA256 b9dfa3b30224bd5eef298531c945d5f2f6bb978b7ef42e5ef09715a535172127
        • MD5 SHA1 SHA512