Analysis

  • max time kernel
    141s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 1 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 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of WriteProcessMemory 12 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:532
    • C:\Program Files\Kean\KeanPdfConverter\KeanPdfLoader.exe
      "C:\Program Files\Kean\KeanPdfConverter\KeanPdfLoader.exe" -install 132 -invoke-platform-x64
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5088
      • 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:4564
    • 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:4912
    • C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe
      "C:\Program Files\Kean\KeanPdfConverter\KeanPdfUpdate.exe" -SendUIStatNow
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.3MB

    MD5

    7dd050773d6a01dbe86507ecdc5e6f37

    SHA1

    b3cf691fd03854c536425ee962aa0e3480e3cb93

    SHA256

    2e82ee56b7e761fa3169acfc1721edf8d2056b600dccb9c51d05fd0ff6d31d2f

    SHA512

    6fd112ba2be01fcd94170ae9c3042f7fd65581d2220c291195f30bfbddb1c91457e42ffc9044504b473164f994f7d5def1194f816382589d5d1451e122cc5995

  • 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

    1.5MB

    MD5

    32da3288437d333c255d7ddc3a97afb2

    SHA1

    cb1691c23ed97110de5e9ee69459482b6720c906

    SHA256

    25643fa45885534906406e339eb276dd958ca2ddd191ffb82676f1dded37b94b

    SHA512

    1f85e68b5d4383b1b263788bb88e8ad607308606a3f3ba81ed268e66f5f89d031e8e9faa52d71bc7de83f2dc40db49ff8366180016d1212c9b7f59811607cb8f

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

    Filesize

    2.1MB

    MD5

    c1669e0892fe14696cba54ce5f9942a0

    SHA1

    617b78ecfedfab9e1053472c667029e250e75a40

    SHA256

    eed1556a16e8aaf9116595baabf765f5bc97bb212771ad7d35ba9bfc565f68d5

    SHA512

    01f7066e183029d9d2e61d7e898f861073ffe48afe5f6d3be77be3c140efbf51e0dc6ca4710a73514e430ea85b2028044c1473a0b56f6ca525fc43098dfeab4f

  • C:\Users\Admin\AppData\Local\Temp\nsd7419.tmp\FileInfo.dll

    Filesize

    598KB

    MD5

    4913f47f1075039f41f594cb3d48a6c9

    SHA1

    1a99783e9561d0fb9e64954f2d22dc3ea8d460f2

    SHA256

    21272e2a8251bfcc227d2a8ae785b6a1cfa2ec8255a69c1ccc7b1f771aa36b3b

    SHA512

    d13fc5de31263a4dd1e25cbc79a5c6c240969e5dcb9a381b91256f5673734bdd604da1a43e0b1f440916898a778d698e66a9dbc6f84c3e2b9d68ae886104bfa3

  • C:\Users\Admin\AppData\Local\Temp\nsd7419.tmp\RCWidgetPlugin.dll

    Filesize

    3.4MB

    MD5

    f99579cc679c0f543b6f7b430c464b20

    SHA1

    b46d7ca0fd6fc079c62c74d8665d24561c4274e2

    SHA256

    5235fbc732315cc4a4c1da97bee31f71ca33592797678e6dc3f6ccf4ebaaa10f

    SHA512

    c68d11fab12c84d233c0b15d1e7933fa6380f2600557064aa0c7e5f87e23b0afadab0055da1b568b59cda0128b998922b301cd23100c9b4e311f3d00421e8683

  • C:\Users\Admin\AppData\Local\Temp\nsd7419.tmp\System.dll

    Filesize

    27KB

    MD5

    a568feaa357f44dd50c5e447fa8ee1b2

    SHA1

    5c765fad342b756d5ea522087c6f7567b5f3ed57

    SHA256

    57947a15ad3215185c7e15a5f0da393570845a13ab7b184a07fcefbf97537e48

    SHA512

    7c8c36c0123de839e677beeba65c1af56c5e85d8f1ff2c94950aed33e026dff3fbda8c49859012862110117977c928b814c0d91c477583a2b8f83d73f3cdf174

  • C:\Users\Admin\AppData\Local\Temp\nsd7419.tmp\libcurl_x86.dll

    Filesize

    2.1MB

    MD5

    a26e75c0407c87786eea42febdb32532

    SHA1

    27e52fdca023cb8f031cd55ac37965d93f7f7da7

    SHA256

    635f988beb849c6510f54f681387bf810c2266bd27834c5a9c160cbfe6df44d4

    SHA512

    fdd9760442579ad2a3df4f31464f9e66bc19a4390fa1c81afb516cce817097b5324024f712d9c1bf1a11ad30324f5a8aa83c72a732e1197e8804ab806d3859e6

  • 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

  • C:\Users\Admin\AppData\Roaming\KeanPdfConverter\RCPDFConverter.stat.lock

    Filesize

    4B

    MD5

    f1d3ff8443297732862df21dc4e57262

    SHA1

    9069ca78e7450a285173431b3e52c5c25299e473

    SHA256

    df3f619804a92fdb4057192dc43dd748ea778adc52bc498ce80524c014b81119

    SHA512

    ec2d57691d9b2d40182ac565032054b7d784ba96b18bcb5be0bb4e70e3fb041eff582c8af66ee50256539f2181d7f9e53627c0189da7e75a4d5ef10ea93b20b3