Resubmissions

09-10-2023 22:48

231009-2rhfrsba22 10

29-01-2023 17:41

230129-v9ts7ahb9y 10

13-10-2022 16:57

221013-vgfe4aeaeq 10

Analysis

  • max time kernel
    143s
  • max time network
    120s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-10-2023 22:48

General

  • Target

    Ransomware.Jigsaw.exe

  • Size

    283KB

  • MD5

    2773e3dc59472296cb0024ba7715a64e

  • SHA1

    27d99fbca067f478bb91cdbcb92f13a828b00859

  • SHA256

    3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

  • SHA512

    6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

  • SSDEEP

    6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

Malware Config

Signatures

  • Jigsaw Ransomware

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

  • 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\Ransomware.Jigsaw.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransomware.Jigsaw.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\Ransomware.Jigsaw.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_remove_18.svg.fun

    Filesize

    720B

    MD5

    75a585c1b60bd6c75d496d3b042738d5

    SHA1

    02c310d7bf79b32a43acd367d031b6a88c7e95ed

    SHA256

    5ebbfc6df60e21044486a5df3cb47ccdcd7a4d5f197804555715ffd9bf6c5834

    SHA512

    663a302e651b9167f4c4e6ae30028307b4d8da0dda3a0e5fd414104951d50419862fc9396c5b39fe5c4b696efd3efbf0b575688983b1d341f3ef38becf500505

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons.png.fun

    Filesize

    7KB

    MD5

    72269cd78515bde3812a44fa4c1c028c

    SHA1

    87cada599a01acf0a43692f07a58f62f5d90d22c

    SHA256

    7c78b3da50c1135a9e1ecace9aea4ea7ac8622d2a87b952fc917c81010c953f7

    SHA512

    3834b7a8866e8656bbdbf711fc400956e9b7a14e192758f26ccf31d8f6ab8e34f7b1983c1845dc84e45ff70555e423d54a475f6a668511d3bcbdd1d460eeb4b0

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons_ie8.gif.fun

    Filesize

    7KB

    MD5

    eda4add7a17cc3d53920dd85d5987a5f

    SHA1

    863dcc28a16e16f66f607790807299b4578e6319

    SHA256

    97f6348eaa48800e603d11fa22c62e10682ad919e7af2b2e59d6bd53937618f2

    SHA512

    d59fa9648dc7cb76a5163014f91b6d65d33aaa86fc9d9c73bf147943a3254b4c4f77f06b2e95bb8f94246a982ea466eb33dac9573dd62f40953fd23de1c1b498

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\icons_retina.png.fun

    Filesize

    15KB

    MD5

    7dbb12df8a1a7faae12a7df93b48a7aa

    SHA1

    07800ce598bee0825598ad6f5513e2ba60d56645

    SHA256

    aecde4eb94a19095495d76ef3189a9abd45bcfd41acbed7705d22b4c7d00aa77

    SHA512

    96e454ebb4c96573e8edc6822290c22d425f4c7f7adbab35e6dc4b3ce04a5916ae9254c2c312c98299835ecbf3c5aa95da2939b8408ac25fbae44ba87a3795dc

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\new_icons.png.fun

    Filesize

    8KB

    MD5

    82a2e835674d50f1a9388aaf1b935002

    SHA1

    e09d0577da42a15ec1b71a887ff3e48cfbfeff1a

    SHA256

    904372666ca3c40f92b20317d92ca531678958affbc34591401e338146fe0ecb

    SHA512

    b10a8e384d0bd088443a5085f5c22a296f6f4d295a053d4526690ba65846e887daec47d01cf18fdf1160db98061a8b7c4040de56e6e604451a821fadccf32698

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\themes\dark\new_icons_retina.png.fun

    Filesize

    17KB

    MD5

    150c9a9ed69b12d54ada958fcdbb1d8a

    SHA1

    804c540a51a8d14c6019d3886ece68f32f1631d5

    SHA256

    2dee41184747742fbdc527b2023d67fecec1ccdfdf258439a06cd75d4fd33f43

    SHA512

    70193ee6f0919eb14311f43b5a5da041deacb568db55fc43290ee76e17af902ac468435b37a150630ea3b7871c724073915ae5dcba3c301ac42f2d68dd598e2f

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon.png.fun

    Filesize

    448B

    MD5

    880833ad1399589728c877f0ebf9dce0

    SHA1

    0a98c8a78b48c4b1b4165a2c6b612084d9d26dce

    SHA256

    7a27d891097df183fbf0031e3894bdac0ce77aef15d666ddd9f6a04e9836fb27

    SHA512

    0ddf247892a72a390437390d535debf6e41d12e51b31eb4f0353b710ec380c5fbc531a48e76935088063a41aca843287d3def9c1cd46be05b8dcb69f5017a464

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon_2x.png.fun

    Filesize

    624B

    MD5

    409a8070b50ad164eda5691adf5a2345

    SHA1

    e84e10471f3775d5d706a3b7e361100c9fbfaf74

    SHA256

    a91790b778026db625c9dedfe1c6d94b884818b33d7977e86b2f9c2f3c500796

    SHA512

    767a75edd37d29b3433040ce21cda849cd11ba549f27581f7edc6416c433ba7047c56908d40956422393ab0f35ede61617d4bd2aad0bde3d1ebd276584c858c7

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon_hover.png.fun

    Filesize

    400B

    MD5

    2884524604c89632ebbf595e1d905df9

    SHA1

    b6053c85110b0364766e18daab579ac048b36545

    SHA256

    ae2facd997527426fc4def82e0db68be29b44499bfff86a28c36f7c31b177d4f

    SHA512

    0b506397627823a1768796129c6b37d146821471b89338b5f2d0fd3aea707fd46a8e197ee0e298ddfb3b50eef0a0b064946006346b060f733ef19cbd5d24fc90

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\images\rhp_world_icon_hover_2x.png.fun

    Filesize

    560B

    MD5

    e092d14d26938d98728ce4698ee49bc3

    SHA1

    9f8ee037664b4871ec02ed6bba11a5317b9e784a

    SHA256

    5e8ec278a273be22199884d519a79f748801baa3a45b76e57569fdfffe96e7fb

    SHA512

    b2fcb5d46339cdf6b5a954f2a083cf913779e57cb6e8699bc5da1fba1c370c41117b7ddefb50075622067eb7b02a20268bc047171bd883bcda4a497c2ec64ea4

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\images\example_icons.png.fun

    Filesize

    688B

    MD5

    65368c6dd915332ad36d061e55d02d6f

    SHA1

    fb4bc0862b192ad322fcb8215a33bd06c4077c6b

    SHA256

    6f9c7ebec5a707de439e3fd2e278fdfa07a39465d56157b70b24f091509bf76f

    SHA512

    8bb9a7690aeb3c0b9e14e1a6ebc5741536d354cf2324fd74ee0c3e4ef511718f7795039a94c8d2df94b6e6d0fb1762191cb649089d1def12abdf34003f0cdd0f

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\images\example_icons2x.png.fun

    Filesize

    1KB

    MD5

    0d35b2591dc256d3575b38c748338021

    SHA1

    313f42a267f483e16e9dd223202c6679f243f02d

    SHA256

    1ca0cfc2df0354c8d886285ae5e743d9c7cc030e1afd68ac113c0f2ce43ad5fa

    SHA512

    f6c58c27bbde7508a866bd0e7fabadb13a4f020378cd8b8cfc0c9fa23f645d811d6cdea04b81afdf30c064c6248152e74b3e6a78ec7a3d1d19037a0db8897d7e

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\ui-strings.js.fun

    Filesize

    1KB

    MD5

    433755fcc2552446eb1345dd28c924eb

    SHA1

    23863f5257bdc268015f31ab22434728e5982019

    SHA256

    d6c290e942ee665d71e288229423a1f1866842988eac01f886910b0ec383aa9b

    SHA512

    de83b580ce27012a7677e1da867c91e2a42dbc6b5872dcf756ace51c2862801814665ecca997171f2e550e8b9a3de19994d2516a4e5d4d57e16c7b4b823236c0

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\ui-strings.js.fun

    Filesize

    1KB

    MD5

    781ed8cdd7186821383d43d770d2e357

    SHA1

    99638b49b4cfec881688b025467df9f6f15371e8

    SHA256

    a955039cd9e53674395f4b758218e4d59c89e99a0c4d2a909e49f6008b8f5dd4

    SHA512

    87cb9c4288586df232200f7bbacee3dee04f31c9444902dd369ad5c392d71e9837ebf8b3bb0fcb4a5db8a879cf757e97ce248939e3316c6bf3a3fe7cbe579534

  • C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_US_POSIX.txt.fun

    Filesize

    32KB

    MD5

    829165ca0fd145de3c2c8051b321734f

    SHA1

    f5cc3af85ab27c3ea2c2f7cbb8295b28a76a459e

    SHA256

    a193ee2673e0ba5ebc5ea6e65665b8a28bd7611f06d2b0174ec2076e22d94356

    SHA512

    7d380cda12b342a770def9d4e9c078c97874f3a30cd9f531355e3744a8fef2308f79878ffeb12ce26953325cb6a17bc7e54237dfdc2ee72b140ec295676adbcb

  • C:\Program Files\Java\jdk1.8.0_66\jre\lib\images\cursors\invalid32x32.gif.fun

    Filesize

    160B

    MD5

    580ee0344b7da2786da6a433a1e84893

    SHA1

    60f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e

    SHA256

    98b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513

    SHA512

    356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba

  • C:\ProgramData\Microsoft\Provisioning\{33d78dbc-3db7-4398-8533-000d7c02e5d1}\MasterDatastore.xml.fun

    Filesize

    272B

    MD5

    cbedb0911fdd4d66adc7bef7e898b2e4

    SHA1

    563eb113d2b1064f45f594ee6f697c25bc6862d5

    SHA256

    d117f7dff2b8d650108c43c9d2d7ffdf0452723f8996d74283a3e9bd29587f68

    SHA512

    203b347e01e67f359ae40f42b6f472f036489e9a456f2b4821fc6409fedc0502d2cfe890dd922cd32f80826f9e026f4e1023e781888ba2112287468342e7f529

  • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

    Filesize

    283KB

    MD5

    2773e3dc59472296cb0024ba7715a64e

    SHA1

    27d99fbca067f478bb91cdbcb92f13a828b00859

    SHA256

    3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

    SHA512

    6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

  • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

    Filesize

    283KB

    MD5

    2773e3dc59472296cb0024ba7715a64e

    SHA1

    27d99fbca067f478bb91cdbcb92f13a828b00859

    SHA256

    3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

    SHA512

    6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

  • C:\Users\Admin\AppData\Local\Packages\DesktopView_cw5n1h2txyewy\Settings\settings.dat.fun

    Filesize

    8KB

    MD5

    f22599af9343cac74a6c5412104d748c

    SHA1

    e2ac4c57fa38f9d99f3d38c2f6582b4334331df5

    SHA256

    36537e56d60910ab6aa548e64ca4adafdcabde9d60739013993e12ba061dfd65

    SHA512

    5c8afc025e1d8342d93b7842dc7ef22eca61085857a80a08ba9b3f156ee3b814606bb32bc244bd525a7913e7915bdf3a86771d39577f4a1176ade04dc381c6d4

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133392451588065012.txt.fun

    Filesize

    78KB

    MD5

    f3427727ec5caba84d66fafb636eb809

    SHA1

    efd3cdcffee7fa6f3e991c9bdd18057f7e05ea87

    SHA256

    43a23407a0a9cd601ab29d03735318e8d1d625d21f483b9d0f62059394679192

    SHA512

    abd57c7954d0568af81edff3fe7c23290aaadf438df1fb11138edc32b4b43ce101dcd96c87dd22a6682757fdbde734cfe5d19f1e0788c86b0223cce17ce3e9a5

  • C:\Users\Admin\AppData\Local\Temp\{1BEB2619-70BC-4FDE-9E6A-2FBC35D3E3FF} - OProcSessId.dat.fun

    Filesize

    16B

    MD5

    8ebcc5ca5ac09a09376801ecdd6f3792

    SHA1

    81187142b138e0245d5d0bc511f7c46c30df3e14

    SHA256

    619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880

    SHA512

    cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650

  • memory/1448-14-0x00007FFA07770000-0x00007FFA08110000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-19-0x00000000027F0000-0x0000000002800000-memory.dmp

    Filesize

    64KB

  • memory/1448-18-0x00007FFA07770000-0x00007FFA08110000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-17-0x000000001B720000-0x000000001B728000-memory.dmp

    Filesize

    32KB

  • memory/1448-16-0x00007FFA07770000-0x00007FFA08110000-memory.dmp

    Filesize

    9.6MB

  • memory/1448-15-0x00000000027F0000-0x0000000002800000-memory.dmp

    Filesize

    64KB

  • memory/3468-13-0x00007FFA07770000-0x00007FFA08110000-memory.dmp

    Filesize

    9.6MB

  • memory/3468-0-0x00007FFA07770000-0x00007FFA08110000-memory.dmp

    Filesize

    9.6MB

  • memory/3468-5-0x000000001C5A0000-0x000000001C63C000-memory.dmp

    Filesize

    624KB

  • memory/3468-4-0x0000000001120000-0x0000000001130000-memory.dmp

    Filesize

    64KB

  • memory/3468-3-0x000000001C030000-0x000000001C4FE000-memory.dmp

    Filesize

    4.8MB

  • memory/3468-1-0x000000001BA30000-0x000000001BA68000-memory.dmp

    Filesize

    224KB

  • memory/3468-2-0x00007FFA07770000-0x00007FFA08110000-memory.dmp

    Filesize

    9.6MB