Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 02:40

General

  • Target

    4b5352a03ce3ad5ff4f896191197576e95a4d03bb3a775b1c933b47a274a309b.exe

  • Size

    20.9MB

  • MD5

    4b8899e35d6501c19f28a09fc53ef133

  • SHA1

    bab28aaf76bc68e9d17700cdeb35868c376bd184

  • SHA256

    4b5352a03ce3ad5ff4f896191197576e95a4d03bb3a775b1c933b47a274a309b

  • SHA512

    7b5a522d9e2c5b243182939dc3ffb9f478f329949a40ef3f2f159a5d82a4f3291ec589b552ed7b578e74b95300e3c837599f40db270ddc994ec01b9aa0fb32f1

  • SSDEEP

    393216:ItIXTtWHu5YaCI0tLQ7F5gcQoUxXWou8V6F0a+pWjHPGLpXubWa4qA7XOfzw6pyv:IKXygYjt8T4D0BNTjAhuia4vyzw6p8Ig

Score
9/10

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 11 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b5352a03ce3ad5ff4f896191197576e95a4d03bb3a775b1c933b47a274a309b.exe
    "C:\Users\Admin\AppData\Local\Temp\4b5352a03ce3ad5ff4f896191197576e95a4d03bb3a775b1c933b47a274a309b.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Program Files\Kean\KeanPdfConverter\KeanPdfLoader.exe
      "C:\Program Files\Kean\KeanPdfConverter\KeanPdfLoader.exe" -install 132 -invoke-platform-x64
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1460
      • C:\Program Files\Kean\KeanPdfConverter\KeanPdfTool.exe
        "C:\Program Files\Kean\KeanPdfConverter\KeanPdfTool.exe" -update-force-config -invoke-platform-x64
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2268
    • C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe
      "C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe" -install -update-platform-x64
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:704
    • C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe
      "C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe" -SendUIStatNow
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2016

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Kean\KeanPdfConverter\KeanPdfMain.exe

          Filesize

          233KB

          MD5

          8bf30ad150d66cc03c33d7af5514fe5e

          SHA1

          a09439d9dfa4fc378e85cf70dfa9ba5ab0e53761

          SHA256

          4ec7bc49bb42050cd8c25404dc1f7808e8916f1b6f9ac7cede5a5a2feec55d9f

          SHA512

          e32635d8fc84978a4c1c83c92876b736b3a77d9975d56c66f56913cd68fc5ba9dd42d0397a9b44ccf208807ec4d46e0b20a72302792b8d004f7d1a3d01be2041

        • C:\Program Files\Kean\KeanPdfConverter\KeanPdfTool.exe

          Filesize

          676KB

          MD5

          a7e34b272c7339bb786927a3e16b1ae4

          SHA1

          5457d5f81339132821824e4d12a7870fe5df704d

          SHA256

          f8e926e28650d51000df00e5029d15a75357093ed4a01ae06a7a7a0aa9907908

          SHA512

          1dee3f5f77d2f9d364352018192fca805984ed2f4d86baf809e3bdfe5af19019adc657265b6c5bb132b2dff172aff7f9e7fa16618efca85ea6593c97e7bb5e78

        • C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe

          Filesize

          1.2MB

          MD5

          71fee28791f1f206bb0b2919f6637b99

          SHA1

          230a213adfe7f997832d0e4a357a2d6c8569a8f3

          SHA256

          d45ad96adc05a82e3e922cc97eebc2a035a5da79fca0484de6103662778025a8

          SHA512

          ea4be7ccdf9b450e435a0c6c60ed4620ba811e68bd1f29bebbcaf55b93107454e1bfa71b738b531da90cf9cec8206f77baf02d33853b4feb952985fa9c6d7eeb

        • C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe

          Filesize

          1.5MB

          MD5

          32da3288437d333c255d7ddc3a97afb2

          SHA1

          cb1691c23ed97110de5e9ee69459482b6720c906

          SHA256

          25643fa45885534906406e339eb276dd958ca2ddd191ffb82676f1dded37b94b

          SHA512

          1f85e68b5d4383b1b263788bb88e8ad607308606a3f3ba81ed268e66f5f89d031e8e9faa52d71bc7de83f2dc40db49ff8366180016d1212c9b7f59811607cb8f

        • C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe

          Filesize

          1KB

          MD5

          2a4aaf1df7e293c5f70c5021ed0b6695

          SHA1

          6d2f2aad708cf86a2c4340d502d0126c58858c48

          SHA256

          d48021450b43b4f5d2190144293a83656d9f9f923cec6de4732c5c2b57b446b1

          SHA512

          5017e209eb927847072752abf2713295884bc2e12d8a6c0c51ebca8b9bd6a8e194122dfd6bd7c1efd176c4a5fd6a37cc707486e40b7a5ffe9238dd62d1b5044d

        • C:\Program Files\Kean\KeanPdfConverter\Uninstall.exe

          Filesize

          1.5MB

          MD5

          a0685928367cf3962dc127cbe7bc10e2

          SHA1

          47a914c3b6bd0f4ee51db2e244e0c60970706313

          SHA256

          cfe4da6956ac81ed2486a25eca634beee5355050be6711ea196fabfe14d42df1

          SHA512

          026453093eba17e1589f4ed5c8c42dfa75ec73ac5433ef6bb04ebfecca24d5dc7307b29be001ab8b60d7c0748f2e6a9820b3cf0d9b6bdfcd5c8d803e33b9981e

        • C:\Program Files\Kean\KeanPdfConverter\libcurl_x86.dll

          Filesize

          1.2MB

          MD5

          a4ba3ebedbcf79fa8426c07fd7decd2e

          SHA1

          3c4ebb8414c9656e8b4cf3b74535e72fb1d7b13e

          SHA256

          7fad77d58306a6991a5ef9ae5c3e0fd9bf125a3fc30642e601a4c68eb743897f

          SHA512

          3bd14004f9eaa421fba898446bffe9f472b09d40bfe32adff2a4eb392032b67b2ff48c8c3b448a2ee5e9be2b1193c96c6d069da92e09de24edbaa8c0ba8c9127

        • C:\Users\Admin\AppData\Local\Temp\CabCF33.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\TarCF94.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • C:\Users\Admin\AppData\Local\Temp\nsy84AC.tmp\FileInfo.dll

          Filesize

          112KB

          MD5

          bb6f1e0b4cb93e817fca9334a31d52ef

          SHA1

          7e38c1aa0c5b89aa58a9762b9633b7065e26c8f8

          SHA256

          bba7e0fd8879a86299002d35b335f4bfd9d37a8c0bf5836c2d323798c3f4d2c3

          SHA512

          f5f603905724d59c167bcf9f1893a0cd7c4901f308333a778b6c58b0782884f564ad6932816900fbb23db5ad66cda73fb7f954522a7a335becec9b47b9a59b83

        • C:\Users\Admin\AppData\Local\Temp\nsy84AC.tmp\RCWidgetPlugin.dll

          Filesize

          966KB

          MD5

          8708962946bc35ef08954e5840c52dba

          SHA1

          7175f6c89374445d5e619f38a31d99b887092d24

          SHA256

          e612f4985ee069cdc5c2fffd72987f2592b55f195824b060052e5b29c036bf24

          SHA512

          46080e4a40fc5f2214ba47b9f805a1e316a66dc4f8e600a08d151cdaa509678db83da23c60c5c54a5b7510ae1dc316b89c869542708743d9b49599d2420cea4a

        • C:\Users\Admin\AppData\Local\Temp\nsy84AC.tmp\libcurl_x86.dll

          Filesize

          1.6MB

          MD5

          b891ef930c979b239fa56e0513a5e861

          SHA1

          6a75a4e5455d5868f953fbe5ad5ff6d12af16cd5

          SHA256

          ec2697e38b74ef7052221d7cb29e6b4e3c1b68f9db53466817a2f146661085a7

          SHA512

          eb1d3e055f1354fc0f61ca40411bdae3d9c21ac7acd7a670564568d382429d80abba70f8962ecb9a26744349b53c04dad6610ebfd0bfa999fb9fcf676461ec2a

        • C:\Users\Admin\AppData\Roaming\KeanPdfConverter\Application\2.9.2.774\skins\png\purchaseguide\[email protected]

          Filesize

          936B

          MD5

          5d7c97b7d44bb8c57c658694fe0ab05a

          SHA1

          3328d7e734cfe6720ed8085ca512ae9ad459da44

          SHA256

          e2d52f1f641893a5c50396c9884194a6dbe95c2f3d3e8bcfb58809b3d8f9922e

          SHA512

          f1cb00428f78f9ef939789a285d49644b8b171623a33b759625d1e620b3b53ec78c3eac6f11d76a64167d503cd5feefc7e92e142cfd168c338d4b0fa52b2693d

        • C:\Users\Admin\AppData\Roaming\KeanPdfConverter\RCPDFConverter.hzc

          Filesize

          29B

          MD5

          99fb8e84b8aa92889349054a60e1f359

          SHA1

          1b3dd1afb4fe4533ca16db4dd3e7845c13b0e1c5

          SHA256

          5313e624a817ebcb34675027d12b87465de4fc4fdddfdd74d244490c4911b8e4

          SHA512

          2a99095109445c3ca1b9fad5c87fdfed331641401ca8d19d3ab4d109e18b9dc5feb739485f14f390bd3bcfa3a4325e3b1278fe1bb8690dd8df16edb9af52faac

        • \Program Files\Kean\KeanPdfConverter\KeanPdfLoader.exe

          Filesize

          1.3MB

          MD5

          7dd050773d6a01dbe86507ecdc5e6f37

          SHA1

          b3cf691fd03854c536425ee962aa0e3480e3cb93

          SHA256

          2e82ee56b7e761fa3169acfc1721edf8d2056b600dccb9c51d05fd0ff6d31d2f

          SHA512

          6fd112ba2be01fcd94170ae9c3042f7fd65581d2220c291195f30bfbddb1c91457e42ffc9044504b473164f994f7d5def1194f816382589d5d1451e122cc5995

        • \Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe

          Filesize

          1.1MB

          MD5

          ffb0cc8195e03649df796c54863c759e

          SHA1

          509fc976a8891c072b8ec1c5ee28c263ad1fcf35

          SHA256

          c2badbc3cfc27ca65fdf397e8cce292e859618a2a176d195dc466701da060b4c

          SHA512

          abcf729603b656840b4b87ab713f0947d667462f976d2810413670609d1d521c00069b07601b3d2243d62f32fd5d351784d9af4e88084d0afbda9278a75747b2

        • \Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe

          Filesize

          129KB

          MD5

          39f6b41adfb81214e4dbc3985e3cf8f1

          SHA1

          420b8e6db008169a2085275e32f85627fde6e3e5

          SHA256

          d2e97c9f8ee2f76b9805798eb43aa486b36bfb2d885e095d1e51653945731846

          SHA512

          308752c68a2fb2804a830b46cc818c60ae79125775b6de5287639574ebb1b97ddefe6e80ac446b4c5888e265ed9eb76a77317aa0e68a80e579f00bb8481852fc

        • \Program Files\Kean\KeanPdfConverter\libcurl_x86.dll

          Filesize

          1.4MB

          MD5

          96fa8eb27719fccca2614ba6d327fdeb

          SHA1

          a4963c7ae34649a1d7b93a432c77d3ac1c4187b1

          SHA256

          1a08cf812e959a7405cba7f0d4cda86adcdf8bac94c949f2914acfb8c79821cc

          SHA512

          ed34f8ffeb08dd38e645e1af70336e9931781a7bc98b0f288b54297c04f903730e149bee724feb6dc66c0fe8d79339e4cef76fbf915ab40c095c34e5d4c11e52

        • \Program Files\Kean\KeanPdfConverter\libcurl_x86.dll

          Filesize

          2.1MB

          MD5

          c1669e0892fe14696cba54ce5f9942a0

          SHA1

          617b78ecfedfab9e1053472c667029e250e75a40

          SHA256

          eed1556a16e8aaf9116595baabf765f5bc97bb212771ad7d35ba9bfc565f68d5

          SHA512

          01f7066e183029d9d2e61d7e898f861073ffe48afe5f6d3be77be3c140efbf51e0dc6ca4710a73514e430ea85b2028044c1473a0b56f6ca525fc43098dfeab4f

        • \Users\Admin\AppData\Local\Temp\nsy84AC.tmp\FileInfo.dll

          Filesize

          598KB

          MD5

          4913f47f1075039f41f594cb3d48a6c9

          SHA1

          1a99783e9561d0fb9e64954f2d22dc3ea8d460f2

          SHA256

          21272e2a8251bfcc227d2a8ae785b6a1cfa2ec8255a69c1ccc7b1f771aa36b3b

          SHA512

          d13fc5de31263a4dd1e25cbc79a5c6c240969e5dcb9a381b91256f5673734bdd604da1a43e0b1f440916898a778d698e66a9dbc6f84c3e2b9d68ae886104bfa3

        • \Users\Admin\AppData\Local\Temp\nsy84AC.tmp\RCWidgetPlugin.dll

          Filesize

          947KB

          MD5

          c650c07d7580e70a79bdd6c79e4d8aef

          SHA1

          4fc5cd3990879da1ac99507b19b207c5184f5577

          SHA256

          9f4aa01c4a3fef5b75de014492374340774fca6401ac18a02f08b3fc7aac7841

          SHA512

          de9d5e4ec289b9017560456553f62c2b122a1f2efed4bcba5d29ef5e4e4cf3ed70ca714216b3444e285309d4b95924f2855c825c8a7fae5a6eb5ff338907c9c9

        • \Users\Admin\AppData\Local\Temp\nsy84AC.tmp\System.dll

          Filesize

          27KB

          MD5

          a568feaa357f44dd50c5e447fa8ee1b2

          SHA1

          5c765fad342b756d5ea522087c6f7567b5f3ed57

          SHA256

          57947a15ad3215185c7e15a5f0da393570845a13ab7b184a07fcefbf97537e48

          SHA512

          7c8c36c0123de839e677beeba65c1af56c5e85d8f1ff2c94950aed33e026dff3fbda8c49859012862110117977c928b814c0d91c477583a2b8f83d73f3cdf174

        • \Users\Admin\AppData\Local\Temp\nsy84AC.tmp\libcurl_x86.dll

          Filesize

          1.3MB

          MD5

          12dc5a4de6a7061110e02e11a9c8b063

          SHA1

          4170ee7b3c529a68e88e094a96c0cc68ad2fffc4

          SHA256

          2f9f1ab18959462016f0a2fdb8105bc26e876945a051a57a7a2af29e4aabc99a

          SHA512

          2e1059e0c2a9b6770f12395665408d0dfcdc8d17273dac04ddc31b9dce17bd9c8c869328bda05764909f4d2ef0bf597843841f148816a37075152c1f7aa52989