Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2024, 19:56

General

  • Target
    25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964.exe
  • Size 141KB
  • Sample240807-ynqfestamk
  • SHA256 25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Jigsaw Ransomware

    Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

  • Renames multiple (3752) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964.exe
    "C:\Users\Admin\AppData\Local\Temp\25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3864
    • C:\Users\Admin\AppData\Local\Firefx\Firefx32.exe
      "C:\Users\Admin\AppData\Local\Firefx\Firefx32.exe" C:\Users\Admin\AppData\Local\Temp\25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:2364

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        s_remove_18.svg.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_remove_18.svg.sux
        • Size 720B
        • SHA256 34360660433d98510a134ba6f2f22cacc4a7109e8dbf3c8cc87f61e4db4bb215
        • MD5 SHA1 SHA512

        icons.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons.png.sux
        • Size 7KB
        • SHA256 5cd258e0e45a18a2f743cd2e6739e9aabd515e96b1ac141d449041fb0812f6cb
        • MD5 SHA1 SHA512 SSDEEP

        icons_ie8.gif.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons_ie8.gif.sux
        • Size 7KB
        • SHA256 210f977bc4859fced371deb21c3baaedcf7880f63ae0a909d69f850a457558a0
        • MD5 SHA1 SHA512 SSDEEP

        icons_retina.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons_retina.png.sux
        • Size 15KB
        • SHA256 3e65fa264a08a69f2c382bdd179b74b2a1c5a83a54ea831d77deb64e483767c2
        • MD5 SHA1 SHA512 SSDEEP

        new_icons.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\new_icons.png.sux
        • Size 8KB
        • SHA256 0a85a188f06b1bfa20433a60aa84de719f7da97aed290dabd6b3462ac1b99cff
        • MD5 SHA1 SHA512 SSDEEP

        new_icons_retina.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\new_icons_retina.png.sux
        • Size 17KB
        • SHA256 5436bf414883100114e3771fa2cdab16e3a2177eb72af63e384b8c721c18749f
        • MD5 SHA1 SHA512 SSDEEP

        rhp_world_icon.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon.png.sux
        • Size 448B
        • SHA256 99a0eb160b9c01b890e281e2b03553ed8ca56adf884c5d6b00d01c2be42b31f5
        • MD5 SHA1 SHA512

        rhp_world_icon_2x.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon_2x.png.sux
        • Size 624B
        • SHA256 c912683926b1294eea4e8b2e0f3c5aef98869ad0c7456b72d0eb204e18e82aab
        • MD5 SHA1 SHA512

        rhp_world_icon_hover.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon_hover.png.sux
        • Size 400B
        • SHA256 7d65df45ef3a62d37be6ffca5df815a51b92c076e8d951bc64d75ac2a8e641d4
        • MD5 SHA1 SHA512

        rhp_world_icon_hover_2x.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon_hover_2x.png.sux
        • Size 560B
        • SHA256 559af1f11dfcdaef6013da3ff38ae05d5b9bd1cc97dabd0c3cbb555a0d60d6b5
        • MD5 SHA1 SHA512

        rhp_world_icon.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\themes\dark\rhp_world_icon.png.sux
        • Size 400B
        • SHA256 f2c9400c5268727b7f871b2b3fa14747d8e851fa07c416ce5097342ffac96866
        • MD5 SHA1 SHA512

        rhp_world_icon_2x.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\themes\dark\rhp_world_icon_2x.png.sux
        • Size 560B
        • SHA256 1f19fd404ee573e60f146f650b93a57f239019e45e2ba9fd55f0b03653de3151
        • MD5 SHA1 SHA512

        rhp_world_icon_hover.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\themes\dark\rhp_world_icon_hover.png.sux
        • Size 400B
        • SHA256 f151d263386d9a7ab027870bf9245e66a24d494b021df2db6611787e73f56e9b
        • MD5 SHA1 SHA512

        rhp_world_icon_hover_2x.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\themes\dark\rhp_world_icon_hover_2x.png.sux
        • Size 560B
        • SHA256 299cfce447d8c14a3565212529e93c4bc241ce12ac0e5155c5502da5bd80ed51
        • MD5 SHA1 SHA512

        example_icons.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\images\example_icons.png.sux
        • Size 688B
        • SHA256 0387267a812e8894cbd39d3341e66227932e64734f0b26edbd03604760e6ec2e
        • MD5 SHA1 SHA512

        example_icons2x.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\images\example_icons2x.png.sux
        • Size 1KB
        • SHA256 4940a5ae7c6a9079b3f5d46f03b9745ac00dabe947f93d59dce390f4800174e8
        • MD5 SHA1 SHA512

        bg_pattern_RHP.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\images\themes\dark\bg_pattern_RHP.png.sux
        • Size 192B
        • SHA256 c8c184453abae1028d07d3bb633c0a88c7715ecb7ae9d11fc132ed031a0b0ceb
        • MD5 SHA1 SHA512

        bg_patterns_header.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\images\themes\dark\bg_patterns_header.png.sux
        • Size 704B
        • SHA256 a80dd08084d1915fd3f6e396954aab73fdc03fc7d7856af08b9fa70a3e2b22f0
        • MD5 SHA1 SHA512

        illustrations.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\images\themes\dark\illustrations.png.sux
        • Size 8KB
        • SHA256 fd15fe36089ed2483a9cfe8a427dcef7a5de6501c3e016e2c86592765bfae7b2
        • MD5 SHA1 SHA512 SSDEEP

        illustrations_retina.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\images\themes\dark\illustrations_retina.png.sux
        • Size 19KB
        • SHA256 2427ce05c7d1c081f490c8065c4b3d394b5afe988541f03538734c5009cdc9cc
        • MD5 SHA1 SHA512 SSDEEP

        ui-strings.js.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\en-gb\ui-strings.js.sux
        • Size 832B
        • SHA256 23013643709107b90f07183ec2f258a59134595943a22dd045563f24099c94cf
        • MD5 SHA1 SHA512

        ui-strings.js.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\ui-strings.js.sux
        • Size 1KB
        • SHA256 2aa8da2ebdc0eaced1ace0f97d3d0b4317961f7e00ecc6c821f4634be3887713
        • MD5 SHA1 SHA512

        ui-strings.js.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\ui-strings.js.sux
        • Size 1KB
        • SHA256 8a78d3dc1e98a56e589bb878bfd82d5c39c988dfeb437b48ef2d9ddde19c097e
        • MD5 SHA1 SHA512

        bun.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\bun.png.sux
        • Size 2KB
        • SHA256 c76552b1afdfdb230ca5260cd4b05184c44eadd8230468f613c114d66fe3857e
        • MD5 SHA1 SHA512

        cstm_brand_preview.png.sux

        • 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.sux
        • Size 2KB
        • SHA256 39671079482bea0d9510e145913f0f773f7c38d06683e78e953f215e19e0a233
        • MD5 SHA1 SHA512

        cstm_brand_preview2x.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\cstm_brand_preview2x.png.sux
        • Size 4KB
        • SHA256 0433a7473a3085f18544b9a552400f2645ef0467daccc41c0df0210844ed6ae7
        • MD5 SHA1 SHA512 SSDEEP

        dd_arrow_small.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\dd_arrow_small.png.sux
        • Size 304B
        • SHA256 dacce43ef882bbd47de6b01ea4545ddb836f2d3dc315be91be13284f4ce4d6fc
        • MD5 SHA1 SHA512

        dd_arrow_small2x.png.sux

        • 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.sux
        • Size 400B
        • SHA256 064ddb302ecf285bb1d8b6ac91a38c40c8eabd3983a793dbcf7a7b915a342a0e
        • MD5 SHA1 SHA512

        nub.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\nub.png.sux
        • Size 1008B
        • SHA256 c7393d662103935d109ae81e7a3cbb61e9577706a4fee3c301512da8508d259a
        • MD5 SHA1 SHA512

        share_icons.png.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\images\share_icons.png.sux
        • Size 1KB
        • SHA256 b4bd74c5d6298932b963c7d9e379f906de7c2e7e058a9df9b6ab897de0fcf0aa
        • MD5 SHA1 SHA512

        share_icons2x.png.sux

        • 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.sux
        • Size 2KB
        • SHA256 a41acf7b864d06ac69ae9c3c3bc82accff70ad7fdb6678ffbb2026f33559599b
        • MD5 SHA1 SHA512

        ui-strings.js.sux

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\nl-nl\ui-strings.js.sux
        • Size 848B
        • SHA256 797dbf0f8ab613cf526062d08414c210b91ca59abdb35f334eab522692536747
        • MD5 SHA1 SHA512

        DisplayLanguageNames.en_US_POSIX.txt.sux

        • Path C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_US_POSIX.txt.sux
        • Size 32KB
        • SHA256 b6fb54107272f905bcd7e2d946a043fd12bb03f6d82d30d19ee644eb8d900799
        • MD5 SHA1 SHA512 SSDEEP

        invalid32x32.gif.sux

        • Path C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\invalid32x32.gif.sux
        • Size 160B
        • SHA256 ae12f342841b3e33dc82dd2da45c33809e454d7495386bda05a19549487588a6
        • MD5 SHA1 SHA512

        Firefx32.exe

        • Path C:\Users\Admin\AppData\Local\Firefx\Firefx32.exe
        • Size 141KB
        • SHA256 25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964
        • MD5 SHA1 SHA512 SSDEEP

        settings.dat.sux

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.AccountsControl_cw5n1h2txyewy\Settings\settings.dat.sux
        • Size 8KB
        • SHA256 586254d6baf51f41684a547e8a27e70a9493808d5e7b7d64d23fd4b750b84568
        • MD5 SHA1 SHA512 SSDEEP

        0.1.filtertrie.intermediate.txt.sux

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Settings_{996ee04c-1f48-452e-b360-441b39aa9853}\0.1.filtertrie.intermediate.txt.sux
        • Size 16B
        • SHA256 28f6a9936f5623ea91f9f78930ebe2f7fc7fe0d8e0f2439c7f920c749fb87004
        • MD5 SHA1 SHA512

        0.2.filtertrie.intermediate.txt.sux

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Settings_{996ee04c-1f48-452e-b360-441b39aa9853}\0.2.filtertrie.intermediate.txt.sux
        • Size 16B
        • SHA256 f3b5c622ae0406316663be09965ccb6322f900171ded7b1e8b86eeb50a3afe1b
        • MD5 SHA1 SHA512

        AppCache133670754071440191.txt.sux

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670754071440191.txt.sux
        • Size 77KB
        • SHA256 353d8e458c88f416e2591f29fb396289ad734d778f71bb8611d4d85ab1e5f3e8
        • MD5 SHA1 SHA512 SSDEEP

        AppCache133670757193503748.txt.sux

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670757193503748.txt.sux
        • Size 47KB
        • SHA256 f2774b0e53ea7c371b63f9c60e771e2ef959fac841832ffe4fd90278ee43a8e2
        • MD5 SHA1 SHA512 SSDEEP

        AppCache133670763096491428.txt.sux

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670763096491428.txt.sux
        • Size 65KB
        • SHA256 51e58383cf8585817e34a31a648ab91bbc851974f056b85203696c35f4280885
        • MD5 SHA1 SHA512 SSDEEP

        AppCache133670803408587226.txt.sux

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133670803408587226.txt.sux
        • Size 75KB
        • SHA256 67c787cd58c5dc256ab25980127cf8ce7d41349d1de70238e9834e177ae480af
        • MD5 SHA1 SHA512 SSDEEP

        {3A53D03A-4D92-4E09-BF02-9A6042E71CD0} - OProcSessId.dat.sux

        • Path C:\Users\Admin\AppData\Local\Temp\{3A53D03A-4D92-4E09-BF02-9A6042E71CD0} - OProcSessId.dat.sux
        • Size 16B
        • SHA256 0a329d31831bc64ddee858d5afd46235a5ea7a34d13b7a9c11c5b1ca1cbd25ac
        • MD5 SHA1 SHA512

        memory/2364-269-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-21-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-3789-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-23-0x0000000000970000-0x0000000000978000-memory.dmp

        memory/2364-22-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-268-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-270-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-3788-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-3785-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-3784-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/2364-20-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/3864-19-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/3864-7-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/3864-1-0x00007FFC3A5B0000-0x00007FFC3AF51000-memory.dmp

        memory/3864-4-0x000000001B410000-0x000000001B4AC000-memory.dmp

        memory/3864-3-0x000000001BA50000-0x000000001BF1E000-memory.dmp

        memory/3864-2-0x0000000000D90000-0x0000000000D9C000-memory.dmp

        memory/3864-0-0x00007FFC3A865000-0x00007FFC3A866000-memory.dmp