Analysis

  • max time kernel
    247s
  • max time network
    258s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/04/2024, 21:24

General

  • Target

    kontur.plugin.admin.exe

  • Size

    6.8MB

  • MD5

    46737af4e83641478d92673b628f9c1d

  • SHA1

    fc430ccc59ad619f9515e698539d17d0204fb9d3

  • SHA256

    3c5af1a894a355a2f50206ac5923d084166e3debc6e1cf417f3393b46480b39c

  • SHA512

    c60409832f63693cf61616a3865098a9efdf2affba662baf7c1b620e1b2529efc7a5124db2f9d147507cdfb36691b92c2f92cfcc17353ad12ead8a7327a250cf

  • SSDEEP

    196608:J6S778UHVROrhCIjXXoKkqYbGXZKk3POHdM:J86rOrbHoK7iEKc+m

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 18 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
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kontur.plugin.admin.exe
    "C:\Users\Admin\AppData\Local\Temp\kontur.plugin.admin.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe
      "C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe" rtpkcs11ecp
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4700
    • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe
      "C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe" rtpkcs11
      2⤵
      • Executes dropped EXE
      PID:316
    • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe
      "C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe" jcpkcs11-2
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4468
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4660
    • C:\Users\Admin\AppData\Local\Temp\kontur.plugin.admin.exe
      "C:\Users\Admin\AppData\Local\Temp\kontur.plugin.admin.exe"
      1⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1380
      • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe
        "C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe" rtpkcs11ecp
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:3088
      • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe
        "C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe" rtpkcs11
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:804
      • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe
        "C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe" jcpkcs11-2
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:1920
    • C:\Windows\System32\DataExchangeHost.exe
      C:\Windows\System32\DataExchangeHost.exe -Embedding
      1⤵
        PID:4776

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\install.log

              Filesize

              65KB

              MD5

              0d4ce9343fdebef302f78ad68d5c9a3c

              SHA1

              7c1f22c5f567758e774911c67840e86505c3c4dd

              SHA256

              c12e9cc4460e4cf4d90acdbbb7d4058f5e49d20fd761f69eff1207934f48959b

              SHA512

              b494bff30af9091484e044c00cbf7068d51564270fbb6b1e93e502be72571aac8ffe230439c8a3cf3409c11a79a917a15b08a1bb47c6ddc9740c85a0c0f916a6

            • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11\jcpkcs11-2.dll

              Filesize

              6.0MB

              MD5

              e77a72222025f9a3ccce7c65436e6ec9

              SHA1

              8ac155e7aba406ef464226ef61fce65c774931c7

              SHA256

              660b0953d754c155ce470bc33055453b6dfd38c1d1506febd5c99473f450c6b5

              SHA512

              9c5d2980c36a3eeaca9db9d544cb15fd55ccf41ad5727b4d7221d3ec212f26a876d323cb6209e5c7655c979b8059697238801ece90af78d128717e884f1a9ea0

            • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11\plugin.rtpkcs11ecp.dll

              Filesize

              3.5MB

              MD5

              76d847d101923262da16d801b7ac9c43

              SHA1

              3609fc55e1e6fef0a3e9bf0c02839acf52263333

              SHA256

              f5a21a52bc28cfe5d88a57b499a71f8dc5373ba33ccb13047d82e2a9ed9e049f

              SHA512

              b325c62715ba6cce737dd678e1c623f1b495d3125fd666db82ccbd4c11f68b519dd2cd1565431c8aa103fb63eeaf789fc48689e76127a918bda9916139d01df7

            • C:\Program Files (x86)\SkbKontur\Plugin\4.2.2.488\pkcs11check.exe

              Filesize

              409KB

              MD5

              e78f646913451e1b379e596f85a12862

              SHA1

              d75de5837dc71c605cd57497b34c9083867ae101

              SHA256

              9741ad9d52cf32c5390607569768b88591ed27dbb635f579ba381aa2533f921e

              SHA512

              05732c6aa67aeea242822f4c7ac3cfaeae92c8bc40f095c7cff339cc469cc84ffa32797ca8578576f45274fe47cdf62ac71bece97e0e3eb7a2f19ee78a9c56c4

            • C:\Users\Admin\AppData\Local\Temp\nsc66CA.tmp\modern-wizard.bmp

              Filesize

              25KB

              MD5

              cbe40fd2b1ec96daedc65da172d90022

              SHA1

              366c216220aa4329dff6c485fd0e9b0f4f0a7944

              SHA256

              3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2

              SHA512

              62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\addons\kontur.plugin.service.control.exe

              Filesize

              540KB

              MD5

              30161b954f1e5c72de4029922cf2656b

              SHA1

              b379e8152c8d3d83b779f674e1016943deb2ded9

              SHA256

              9b985d0589b63558d637a63292954bb3794dc0fb4d68dafc5a3c7367b4b9e7e7

              SHA512

              cade35b5837fd70f87d3eaea281551fb335eccc3fc902054fb0211f545a5cdfaddaf1ce2a0d852cc8dc4bcaec2470194d77f105dce142573a2afa03ab5bb0262

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\icon.ico

              Filesize

              14KB

              MD5

              6cbaec4411cc81008e688d0ed3ab3162

              SHA1

              24489a6f80bcf7d6814ef65e2600bff7b7960532

              SHA256

              24c81d883f825129b745f7ff1a8a528213338a19b47eeb0d566217c3a72efb7f

              SHA512

              1320e5d5da69bfdddd5747a2c737005c4a5b4073c3d4d22459129816de2faf81f8c116017e05247b540d4228c9ec5f52ee2d3d09b9c94645a87a3b6e2bce0422

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\kontur.plugin.firefox.dll

              Filesize

              946KB

              MD5

              6ca55477bf7df7015ac8c4bea73f1232

              SHA1

              def4844952d9125a30cb7108dd1f1dc43996d8e1

              SHA256

              2d5090552f8fd3b21b3b3c8ff81790fe1ca34faa3be41c04262dee5a147bc37b

              SHA512

              3174932263bc24ec211df018a39657cdb1790e353c36c2fd99786011c1de9f0a386ff054484875148b944648e4b553fce77a7ddad095cceea4d8366e45ce846e

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\kontur.plugin.host.exe

              Filesize

              3.6MB

              MD5

              e18f14dac04fbfeeb9e95acb97bf78e7

              SHA1

              28c3f538ff76395b746e5b69573c424ba9b944ac

              SHA256

              7b5a77d48b28afe5383d7348f03d92a1d94b832fec4e16a678ab80e885fd13f1

              SHA512

              9e06f126b0e6bb86b2b5109dd298bdf7a2a3fff0586904a2e7141a78ffb8f128dee3e093ea014bda9d430bbcb1de8f711be338ffcaa5ef4ff7e7122bc37d6344

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\kontur.plugin.ie.dll

              Filesize

              1.9MB

              MD5

              41e92a8cef201d9ecf0cad68083d4e34

              SHA1

              c3afa17ece06556a6108bc7d0a255e9ea45d961d

              SHA256

              41bec39b3ec60086021af818b43c02b80d05691931fcbd68a74da7fdf1b29755

              SHA512

              78a01839fd713b3052a3d5e894c7cf29e7faa1601ff97bd0f9e9e431be35e1571ba8c0ea675c527a390316428b480d87c889ab6d202902cb5392f819c51c042f

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\pkcs11\jckt2.dll

              Filesize

              261KB

              MD5

              a16afa13e12d4cb0120209841ddd9642

              SHA1

              414fce714615e543068b018fcc2b9f8d3e9ac58b

              SHA256

              09e02f7aa589be0c9e5e168edf9218006bdf9bc0f727d383ed932d045ebe925e

              SHA512

              4e5ee0fdeb5dfe93fccc1f6cbaf5ede1fddaf9b3e21c68b434d8aeb533f3aafc25eff0dd966a39cf802a4e732ef28ffc0df7a3f01892bf4e3e02459c0727471e

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\pkcs11\jckt2.txt

              Filesize

              213B

              MD5

              96f9eef8ae8d43223b52cd85a6e34095

              SHA1

              5986ab8dc9f2396b530e9f6a5c1b6de95ff36350

              SHA256

              30665abde24d0b84e2593e21211cb36e62f3c1d1423d55a5f6f6423e23334a9a

              SHA512

              4565f0ad3e00f66ee3c55a0dfdd030f0c13c721a63426343eccbb7f85d7e28744b973d7ac10fc66e29b8784bc9f9a00e1e8297601c25b786ec45b3f52c2ceceb

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\pkcs11\jcverify.exe

              Filesize

              248KB

              MD5

              3cee879c4ad0f98a5a213bddd02af759

              SHA1

              b317ea89c6801048f50ea7f5a1a5aad88ea70b98

              SHA256

              2949a829f155ea6b4847da2113695ba5bcfdf0a3b86ef71194045017a66c66cf

              SHA512

              029da6ac922f41e5a3d440cdf47a31c4fc9ca09287bfa4e75d680f8c6bbaa4d564741221449f2dc8f8fa07987f5e04a76e12919d6fc602cf85c25a4cf256eee4

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\pkcs11\jcverify.txt

              Filesize

              216B

              MD5

              060d0b39033ad26579a5a6613f3f1e12

              SHA1

              28eb1524ed22baeebdd3cd5c434913c32b37099a

              SHA256

              7281ae686a97a185f9c48c34ae7a73fdea4524af3713d1f5d832af4473d790ca

              SHA512

              7d5e2ab0aceb9018f0302f273195acb73c9fb786e4fa3b3f7a74ee20576374b139c03714b4a6108d3ecac113c9470c8b12d00064a7d06f7ea1b472971762d7dc

            • \??\c:\program files (x86)\skbkontur\plugin\4.2.2.488\uninstaller.exe

              Filesize

              145KB

              MD5

              f9560e8bd7fd622ff220066a7d3f2de4

              SHA1

              8882f7ab3b709c7ce456952091b4ea84fb335e05

              SHA256

              f862af5a222f81bc44066a00733b325c02aeff3252edfd9468a5d9a783e5aaba

              SHA512

              d1a7260038afcb8c26ca366a34156e06a1261645b1f47c7b95d8f283f60e5df05ad3120fc62f6f55ffcdfdab5497af55cad8c1dd968b9d969b634dd1c41ac888

            • \??\c:\program files (x86)\skbkontur\plugin\ff_manifest.json

              Filesize

              226B

              MD5

              2b1ab7b2d1506b623e56a614e90a8c2c

              SHA1

              eca1f67f05ad6e20c5d19c3ce3c061a9935ca202

              SHA256

              75a2eaf4e88326d5604ab1fcd7abc2cd7f6c0f63b4fc3c7fe96b5e08cbfc8421

              SHA512

              15d10e9f8230577ab702d7d74c9332d963c9040cf7c65799c758591a04a0080a31cacaaaabb47a627689ae04d2e675906cb42184c503e83a0abfc2de74c0a3aa

            • \??\c:\program files (x86)\skbkontur\plugin\manifest.json

              Filesize

              513B

              MD5

              1496b6e33ed4cb12c4d8fcc84e268a7b

              SHA1

              8e21c86964e90734cd6305b7814690b233b877dd

              SHA256

              2eb8a41a4b74954faa81b225926c1adfcccfbbc7f94d3af5ffdf4643655e0926

              SHA512

              f6b321b2c336a575be3ffbc39722b1c9acf6b46344ae40fc156932276adc7df04dc2293bfbac2512589e633aeb74fa8478e39db43399ac37265116b94ef5690e

            • \Users\Admin\AppData\Local\Temp\nsc66CA.tmp\LockedList.dll

              Filesize

              104KB

              MD5

              c9a339036bdc5205a4c1bb532c61c81f

              SHA1

              3964eee8d38cd4778626034a68d7acd3007ff47d

              SHA256

              2c78f2ac46946cbe807ce66d6297d3ec355a9ccbed8a8f858d044456f73b7a2e

              SHA512

              537622f8b0f97b06bea942615b587900ebf7c8d0ae8c59711c7ac1394beb3b36ea135928ebfe15dc8acf6e9d26b7dd81b685c284e185e7200e379e8d66377314

            • \Users\Admin\AppData\Local\Temp\nsc66CA.tmp\System.dll

              Filesize

              12KB

              MD5

              cff85c549d536f651d4fb8387f1976f2

              SHA1

              d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

              SHA256

              8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

              SHA512

              531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

            • \Users\Admin\AppData\Local\Temp\nsc66CA.tmp\UserInfo.dll

              Filesize

              4KB

              MD5

              2f69afa9d17a5245ec9b5bb03d56f63c

              SHA1

              e0a133222136b3d4783e965513a690c23826aec9

              SHA256

              e54989d2b83e7282d0bec56b098635146aab5d5a283f1f89486816851ef885a0

              SHA512

              bfd4af50e41ebc56e30355c722c2a55540a5bbddb68f1522ef7aabfe4f5f2a20e87fa9677ee3cdb3c0bf5bd3988b89d1224d32c9f23342a16e46c542d8dc0926

            • \Users\Admin\AppData\Local\Temp\nsc66CA.tmp\nsDialogs.dll

              Filesize

              9KB

              MD5

              6c3f8c94d0727894d706940a8a980543

              SHA1

              0d1bcad901be377f38d579aafc0c41c0ef8dcefd

              SHA256

              56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2

              SHA512

              2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355

            • \Users\Admin\AppData\Local\Temp\nsc66CA.tmp\nsExec.dll

              Filesize

              7KB

              MD5

              675c4948e1efc929edcabfe67148eddd

              SHA1

              f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

              SHA256

              1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

              SHA512

              61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683