Analysis

  • max time kernel
    121s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 02:37

General

  • Target

    24bd3998edbc7549f50201cce7b9a11c.exe

  • Size

    696KB

  • MD5

    24bd3998edbc7549f50201cce7b9a11c

  • SHA1

    713f191a4b99967af3c019765931a9624fdc8830

  • SHA256

    1472780b22a70f13e6aec3ffd06fc9714748841f9f88c3c3b743d247d9711d68

  • SHA512

    ca1adc1f5a27711442187e7032c1e1bee8d4c56313531dce2f2de817b4d3ddb31d7ed05a2ba4edba41ff1bcd30c15501a3f4468419b8179631d47fdcfe2eec03

  • SSDEEP

    12288:IF9COQM7p6I76cLkjTisIessEnq9+uJ7zk+nG8R5+YIHf8pw5a4EcseV:yxrYBfhcnq3JhG8RobEpcaTi

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24bd3998edbc7549f50201cce7b9a11c.exe
    "C:\Users\Admin\AppData\Local\Temp\24bd3998edbc7549f50201cce7b9a11c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\TempImg\regver.exe
      C:\Users\Admin\AppData\Local\TempImg\regver.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2876
    • C:\Users\Admin\AppData\Local\TempImg\CheckVer104.exe
      C:\Users\Admin\AppData\Local\TempImg\CheckVer104.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:2856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F59A01A8B782D93EA6991BC172CEFFB1

          Filesize

          867B

          MD5

          c5dfb849ca051355ee2dba1ac33eb028

          SHA1

          d69b561148f01c77c54578c10926df5b856976ad

          SHA256

          cbb522d7b7f127ad6a0113865bdf1cd4102e7d0759af635a7cf4720dc963c53b

          SHA512

          88289cdd2c2dd1f5f4c13ab2cf9bc601fc634b5945309bedf9fc5b96bf21697b4cd6da2f383497825e02272816befbac4f44955282ffbbd4dd0ddc52281082da

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F59A01A8B782D93EA6991BC172CEFFB1

          Filesize

          242B

          MD5

          eee29a2c7b5499cf80301539d5c26a0d

          SHA1

          472eb0c7ce769535679137229e7a89804f5b51e9

          SHA256

          2494de25ceaa5109deb1fae2a183f73f913f71208e2f31c3ea967b7c2f44da68

          SHA512

          539ac941b6c63f75085b952d042be2285a65d275af5ccf486cc9062fba081ca692a367a208b9d745b053c72f84e88f49ab4c656d8813c394533b22df7da1be87

        • C:\Users\Admin\AppData\Local\TempImg\CheckVer104.exe

          Filesize

          68KB

          MD5

          3c6a4fca6de0f3e4e4c9e94a469b8614

          SHA1

          188b9d662083e61883ff6da027e987a7630c1c46

          SHA256

          5726b4d600619d7fb04524169aabef9d232a7257f3dc941cf98d1459637ca487

          SHA512

          ede930458bb40599826f76b056b309a5f86305933de6f19bbd78c546159c6a66e6ff603567fee6ad8b7449331566cbdd2412f06c7f4dae728524448d4fd3a7fe

        • C:\Users\Admin\AppData\Local\TempImg\CheckVer104.exe

          Filesize

          275KB

          MD5

          723af142594edc1841b0e69386a38eb4

          SHA1

          59374b1859fbb5b8526155b12c731b1d9df1b1ef

          SHA256

          832a5b901e89b2fcd26e05d12014cc58c4913c7f312879c01821f3f63d6f3264

          SHA512

          b0860fad13d8a3eb8deb10e8711437fa8437e658e0c0aef7e7a61e5ed41473876e6676d946ba944b3f40ea46d712d0ec74226b39bfc8f23cf576f068acb7341f

        • C:\Users\Admin\AppData\Local\TempImg\regver.exe

          Filesize

          90KB

          MD5

          92c9626e746b4f358e1f0f8073469fca

          SHA1

          d78110f23b7c3d8f6e765667966b251825e6130f

          SHA256

          ecf3581b37380d1a98a3db9e84fc46e3a2babc0a64a4affe0c61e765498b6038

          SHA512

          f1416f2a66a6d7bfbf4eab610f104486ea95f1be4c8231fe22ca15ab337d22e6a9af8dc0ebbcb68b2a1bd5df61a50cdaf31538efddf8a29ee6ba37a263dbc7dc

        • C:\Users\Admin\AppData\Local\TempImg\regver.exe

          Filesize

          42KB

          MD5

          776a496142c82a89a0f8e4b552e5d46e

          SHA1

          9e29072c8a6a1cc0b76fdcfc272c724a57d49cae

          SHA256

          2c6faf5c255f381fd1db420afbf27e03fd669168dc072f25445b222152aab841

          SHA512

          af6bffec528dd858cc98b897407ee47779fd39e84ecaa034cf3bbe8a18c7ee224c80edfbfe15e8b17b738db19d357fbc2e5a93a7e58b288eb999c41f26b2905b

        • C:\Users\Admin\AppData\Local\Temp\Cab9781.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar97C2.tmp

          Filesize

          65KB

          MD5

          f684aa00c09de654d03159e6b75339c5

          SHA1

          9a3622d63bd224bd06116e5b8b5a277399848e5f

          SHA256

          dd3845260294efa19169c59da6edbdfcac7a8a729fff550f5f46430e62c7b2bc

          SHA512

          0311dcfc080682412d880fd950c44a8b19e3c028a7c1a96fdcfcce51c70455cdd097dcd9b334b3b1aab6935f5ab62d09604324fec257cbeecca0792d1913bed7

        • \Users\Admin\AppData\Local\TempImg\CheckVer104.exe

          Filesize

          53KB

          MD5

          27e572aaff6110943b93cbede65fff38

          SHA1

          d35c6e7332c55d4939ca7a016a0728614fdcbfc9

          SHA256

          42a165715c64a2c6ff5c982b94de95ad7f3f7543818863acef6577db989c86e3

          SHA512

          05e51554f4ebf7d35540c9f5673fd3088e0d198f168d90edc9592b02f9032cd562b6eca68c2b5918ee2cc9dc0c4c5874f0854373eefd7d536713f410b9ccc861

        • \Users\Admin\AppData\Local\TempImg\CheckVer104.exe

          Filesize

          10KB

          MD5

          819c275859e48cfa1b2edfa174309d89

          SHA1

          03cd6b0ef1a374b0010efe30e9707be1a596d471

          SHA256

          22c443f7317bbae74147d3f2cad72468024f5788c4574dadca848899e51e4f7d

          SHA512

          0fac05cbd7f1f325dc60d2bb9c2c5d3f9a9d1fd0c6f564bc8f59b094da1deffec5509d544271eed63a3a3d151cfb1409ab16996a33324c9fe10a658eadefa1bc

        • \Users\Admin\AppData\Local\TempImg\CheckVer104.exe

          Filesize

          6KB

          MD5

          21968d49d35796154c981fb9288b6464

          SHA1

          17166bc250730cad380627270001c9ea7d5ac9dc

          SHA256

          aaec97d9253f986cb4f541f6151602e2900454425146965cb19234c046abb6f5

          SHA512

          b0fc583c60cf1dd04418fd1dd49aca5711698ab2a39bc7044c32e526782cf011e30e7d65cb8d4717e5811ab92572b9849e1ef38762625eb069bf8083d0ae6296

        • \Users\Admin\AppData\Local\TempImg\CheckVer104.exe

          Filesize

          8KB

          MD5

          22e78aea5ef3c25c6384671ec8371271

          SHA1

          f2e7f46f5787aabdf4281e29f7a23700b9b24595

          SHA256

          2852ca6027b69f2e3af7f7ca4a9b8dc081d3121818365ae4351128661d58bbae

          SHA512

          61aa94b17d6cae04824a36e0dff33608cdd1ae8489acbceb39a95697877b7bca0cfd88ced6f8a44a4f805863aaeedd577f739c8b6f19c996932d38f5a9f19344

        • \Users\Admin\AppData\Local\TempImg\regver.exe

          Filesize

          42KB

          MD5

          e177bee6974753b303c0e6705ef1ba03

          SHA1

          4e7d7aab4b78f1e6507c73c483ba92e09ff47d23

          SHA256

          6fe6f3dc37f7d307115ce349e825cb94abaf55fbfcafa42ab6d155b78a4a7813

          SHA512

          13ea93608c1563a3b20bfb813434b55deae684e80e45824728b639122d26960f17eec4779dd9a743429808ac722ca18b1cafe88aadb89cd42f72bac4e31ad3ba

        • \Users\Admin\AppData\Local\TempImg\regver.exe

          Filesize

          25KB

          MD5

          cbc83752d2c3f7db55ae58748aa81746

          SHA1

          e13b0f9dbdead94939fff44d0a7f9b48fd9f2ded

          SHA256

          4430e95201e5582d22a715aa4d9c3d52e704f97b9ba04f0ad56bb33531903f78

          SHA512

          3d0b1ce373ce3ad619d308090b1a06e56517c0c13d7c309784a59033d094ad4ae314d8176806c1e9857c9efc3c0f060891bdda86a5ed6e3c02879a8015f9141c

        • \Users\Admin\AppData\Local\TempImg\regver.exe

          Filesize

          26KB

          MD5

          c21223205ecfaffe4d1efcd1a10f8ba4

          SHA1

          fc8728ca76284e4e1a2a694dcbd76e26b7db8425

          SHA256

          b9232aa68a548798af2baf3f06cdb325a540c9ad76332525f584a88e029bb941

          SHA512

          8526d6c3456db592db7cb589307ef21a22d6bf187b7e43af555ca56dfed671eecf1918260aa7ff8590d9bb52c6b79d4ec7e1fae2abdd13c42fe1e5c1fc5c511c

        • \Users\Admin\AppData\Local\Temp\nsd8602.tmp\ExecDos.dll

          Filesize

          5KB

          MD5

          a7cd6206240484c8436c66afb12bdfbf

          SHA1

          0bb3e24a7eb0a9e5a8eae06b1c6e7551a7ec9919

          SHA256

          69ac56d2fdf3c71b766d3cc49b33b36f1287cc2503310811017467dfcb455926

          SHA512

          b9ee7803301e50a8ec20ab3f87eb9e509ea24d11a69e90005f30c1666acc4ed0a208bd56e372e2e5c6a6d901d45f04a12427303d74761983593d10b344c79904

        • \Users\Admin\AppData\Local\Temp\nsd8602.tmp\System.dll

          Filesize

          11KB

          MD5

          00a0194c20ee912257df53bfe258ee4a

          SHA1

          d7b4e319bc5119024690dc8230b9cc919b1b86b2

          SHA256

          dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

          SHA512

          3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667