Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22/07/2024, 21:41

General

  • Target

    npp.7.8.2.Installer.x64.exe

  • Size

    3.8MB

  • MD5

    0d3ae1ca013956eb87784602d70294de

  • SHA1

    21433c6c09bd2183fa7af57dd8e93a51793cce91

  • SHA256

    56ff0f152f5f84314cd995c65b567becb1ddf0f5a248d76b5e968e85d62e62a0

  • SHA512

    e9821c6a11616ae743ccb15be4e224c8770c64b8f4e25bb18302eafb9b611834f870201ec8b7ac4916f69cbbc67ce9c2c517c78fa18cab539ea06df999b1dfd9

  • SSDEEP

    98304:RvPG+RgnyDMGa+pzoeA5b0/q5HBs+RHPtx:Rnj8GXpzTQIS6SHPn

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 23 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 47 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 14 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\npp.7.8.2.Installer.x64.exe
    "C:\Users\Admin\AppData\Local\Temp\npp.7.8.2.Installer.x64.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Program Files\Notepad++\NppShell_06.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files\Notepad++\NppShell_06.dll"
        3⤵
        • Loads dropped DLL
        • Modifies registry class
        PID:2612
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe" "C:\Program Files\Notepad++\notepad++.exe"
      2⤵
        PID:2980
      • C:\Program Files\Notepad++\notepad++.exe
        "C:\Program Files\Notepad++\notepad++.exe" "C:\Program Files\Notepad++\change.log"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2784
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Program Files\Notepad++\notepad++.exe
        "C:\Program Files\Notepad++\notepad++.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2484
        • C:\Program Files\Notepad++\updater\gup.exe
          "C:\Program Files\Notepad++\updater\gup.exe" -v7.82 -px64
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:612

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Notepad++\SciLexer.dll

            Filesize

            1.7MB

            MD5

            4432d3a825450fdbfda4e311ff84e90c

            SHA1

            c27014e0159ea40b212dbc844c6050fe4d956fdd

            SHA256

            c7a619e251f4210b2c2182905c1e677672e6f2d754a5d7c9fd4bbb0fbff60ef8

            SHA512

            f73b826c738f4af64617fe492d48b8feb9b5d9715d7688a5a724e85c1f34b90c3eaca9ccbe4991f774c441d663e7b2fb957201b1f43c16ea6c12fdfa49d8f7ec

          • C:\Program Files\Notepad++\change.log

            Filesize

            851B

            MD5

            95c7ebb46615295841fef59f15eb823f

            SHA1

            061ddbf1d1752e57d4fbc9c0c40db62edf06dcb0

            SHA256

            bd110fbd928251e34705de62798b48c393837d25f747ad34039e4c78225d5895

            SHA512

            83ae25416a471fa62e7430a22b49da954a02220a2e23356f0775d872d399c532f80c1fb290f7be0ffe0f936d8722631a38c20a2f3b5cbdf98e4fada468c768e1

          • C:\Program Files\Notepad++\langs.model.xml

            Filesize

            331KB

            MD5

            9784efd3aa4bdc20d6f88b2ab33bf270

            SHA1

            10514bb468bff02ada06291b2488c7dffd4e09c2

            SHA256

            ecdd0e1540b007103875ae22668862a277c75ba8402c2d274cc1cc7a09bfad3d

            SHA512

            b8a3ea166359f5b2893680c78d8e34dabe89ac9f53a2fe7d298883e149cacfec850c4f5a06f2f59bb213b2f5b6864caf272f460f3e765241e6c860f89da5e6b1

          • C:\Program Files\Notepad++\plugins\Config\nppPluginList.dll

            Filesize

            151KB

            MD5

            a4f0d0adbafea5ac7f346f47a5c3f609

            SHA1

            69910f9d73bb97d5eab7a0a563e0662e64a76f84

            SHA256

            a497a7e1e0ecb66d380e28fd7f70d3ef596f54a9abcaa58cfa5548d2aa25bac8

            SHA512

            490917dcca0f31a55f7b5c8428638793e09946c842bf212a9aafc921f2bc58eb7939a6a1c8e065dfeda454338e70e06801f7a55cae91d5a0128d186d5e1cc420

          • C:\Program Files\Notepad++\shortcuts.xml

            Filesize

            1KB

            MD5

            f11d96162bc521f5cf49ffe6b6841c9b

            SHA1

            37c96380179a17fadb2a6dc26d3f80fb7cd332d0

            SHA256

            be9aeaeab5a2e4899ba7e582274ba592c1b9baf688b340a754b8ef32b23cfa9c

            SHA512

            a3305486df0e8d200ef8ca17e5c64a0b88502d3984b17aacc75471da823799507b483520aa5b085c2c4e7d0145bece1a84bdc286bcf13e32c808a8e747a6ef95

          • C:\Program Files\Notepad++\stylers.model.xml

            Filesize

            164KB

            MD5

            9e2e4bbeea5ca2bab44ce3e1a0ad3e66

            SHA1

            080f835f47cac253f7fddddf1b50b0dd2be95989

            SHA256

            b820a3218c08d441b4b07731b256510d0f5a4e90e6c210a1645de1361e1dec49

            SHA512

            eac3d3a9039dfe783f1e3f4cdaa6d1f5097e84b156e17c03c291306c9c469a815ef3387820ca6e664752e09a4440582fc8dcc7bae487d2122388f525dd1673be

          • C:\Program Files\Notepad++\updater\gup.exe

            Filesize

            709KB

            MD5

            509af60e7a646a75238c5704985662ac

            SHA1

            3d6200355715397b105f392aa4710758e1158bd6

            SHA256

            c1ca88d810eb164541f753dd66758a296cce9b6a419f35380b334ebcfd882f49

            SHA512

            f26c3d1061b8e96328cad8e1a6cb6e258dffbdd2ac48b8563748687f317944daff7bdf642b920fe29a592258108db773a57faafccabf8b3b713337af93a717fe

          • C:\Program Files\Notepad++\updater\gup.xml

            Filesize

            4KB

            MD5

            b023cc4d768b34a5401f317479740a53

            SHA1

            4ca45db707b120bca9cb6cd8404b9e6ecabdb2d2

            SHA256

            d3e6404c7286961cbab82d4c49f82bcb166db9b5a13eacaa0eeb59a0709a0c14

            SHA512

            82829b0d22cdb857cf1d299a9898d1862b61cd3c22eb05cb638391d3a54b12d5dd7a824ef838a9453e2c2b85c516eacad18b6d19221ad24f0bcedc2fff942e25

          • C:\Users\Admin\AppData\Local\Temp\nstE34F.tmp\ioSpecial.ini

            Filesize

            1KB

            MD5

            ae4bda8bfaebfd746d7603dd057ac436

            SHA1

            348e59aaf8962b028b8b86853dcd669aa096bd1c

            SHA256

            32d409a5f1a8c886e83b07756bfb232e988e3654e61b902dc6c3f21ee4ba0549

            SHA512

            ddf272c0136d657c9612463d62c854d9321e6c61eba16b5c2f86f3dbb573be30b13369cce90ae71bccb6c33665fb61bf1fb61dd63207a0b0a21cb4d9a3b1a548

          • C:\Users\Admin\AppData\Local\Temp\nstE34F.tmp\ioSpecial.ini

            Filesize

            1KB

            MD5

            4c0d8e3aa682f89b4d7b55ec703560e5

            SHA1

            cd0b5f8c13ac9d5b92a8b9dd9bf8696a71c5b038

            SHA256

            71ce0194e72f80b0d7a9148c5509e6e1b2eb4c2649d935779f2d5f2a8bd94542

            SHA512

            0d4d5cdf6050b88fcf4960fedc1559b9cad5e3e0e856a902cf68ddb6272f09ddda0b2c1d3b2d28b654172ad3d0325ea6eb96fa588675d3af82f8a75c7bb2b91d

          • C:\Users\Admin\AppData\Roaming\Notepad++\contextMenu.xml

            Filesize

            3KB

            MD5

            a7998766b85ee71ff1d82a1198988529

            SHA1

            acaf62b48d9307b319105109121d82ccefe46c65

            SHA256

            aa48a7c2ec3ed377c42c293f732807572f2ea305c9771b6ea210e7b92ef2c199

            SHA512

            95780c7a497434f31d78103832ed9b03eb3c17c6d1002cad28c418dd72fb3383dc83988df239ce5db44e08c6e6e07d8ff0ab00c6c1c7b1bcb2c80cc47bb6d280

          • C:\Users\Admin\AppData\Roaming\Notepad++\plugins\config\converter.ini

            Filesize

            644B

            MD5

            f70f579156c93b097e656caba577a5c9

            SHA1

            8abfdad2ac85b7433318952b7a7e385a8c18674c

            SHA256

            b926498a19ca95dc28964b7336e5847107dd3c0f52c85195c135d9dd6ca402d4

            SHA512

            1e79b8e6df1ac158317d4670a01d5fb811470ace0f1f0f547ae979b3eff9bfee65770ad8134a6bddf2e871dc8fa553e146c7d7d94d2c3e139ae4b4942562b5fe

          • C:\Users\Admin\AppData\Roaming\Notepad++\userDefineLangs\userDefinedLang-markdown.default.modern.xml

            Filesize

            5KB

            MD5

            e6edb9c859b5b97800da9c664a0606c8

            SHA1

            a0529bfe949f37d87349f89e44ac03a0f39d90c6

            SHA256

            b7a3e70c69f661e76cc7b6279db21fb32f275a8a3c205a75ae22e40224136031

            SHA512

            a02e9af4be1e274a9af548f222c00434ae4e02437eede890b3a2f0313c0bd3c3f1596d20f9f859865f807b5e8679abb4f2e13fdd4f7b1e4e7f2a787428acb443

          • \Program Files\Notepad++\NppShell_06.dll

            Filesize

            224KB

            MD5

            6202c8c993c7b583810ccca4d9d50f1b

            SHA1

            c0ca72637ed7052017888b75f2c42d07b5c218f0

            SHA256

            043a97406885dda37224fd9a00f369a01e9917ce75bf3969174ce4d90f6b57ba

            SHA512

            e6bb4fc7ff64a142d02241fdf24a1a16a1efc2212dda065db9630bf0e537c2e03292059fd4a78d05e5fbab3576f3313b916c8696dc4799b052f4c4b163f91f4d

          • \Program Files\Notepad++\notepad++.exe

            Filesize

            3.3MB

            MD5

            05c702b40de0b0fc8a01106eb724e498

            SHA1

            152bb2642744be40d91cc3de5b91de96331a9014

            SHA256

            b3fab54e357ecc3af88120c65daa8be62fffb3b2f74c0eea3b02d4885839a5d0

            SHA512

            fa78b5fe2954c82f6923bed22b44f94a00f16130472d9a1785eb41c72abdd70a4099c60299ddd14b3df24ff0c7a2cfbd1556bb5b4c91b2312b154891572c7a8c

          • \Program Files\Notepad++\plugins\NppConverter\NppConverter.dll

            Filesize

            153KB

            MD5

            eb31b40fe1b2a5df40cad352a0a0a388

            SHA1

            d7939353fbbacb591a7a5b70d81031423ce392af

            SHA256

            20e7e814a45f1e52763106e66082147470de576834ae31c7766ffebda5041239

            SHA512

            7b0c5f1ef22dab24f285db8baa75b345febf8c3598f2cfa2372d612a2cc5382cc57751f6056e58d4cb59d455076e75e9dc4ea86c90b2ca09f3f12bba19e50cfc

          • \Program Files\Notepad++\plugins\NppExport\NppExport.dll

            Filesize

            130KB

            MD5

            157651fc9e4ab631b398fd518cd0d74c

            SHA1

            1ca86394a6de6a62b2111ec06c066a8f55a8fbfe

            SHA256

            5dd105c48e1ad127b08ac05e3a0ebbb8994db56378d09990168ca015c27cc142

            SHA512

            9a033a4cb8dc07cf658fedbca69d616239eb6dde3424c89e0d137f08eda3db546bec032dc1e00782f24ec4cee4333f979d7b471121a12f40ea85a2a88c682a26

          • \Program Files\Notepad++\plugins\mimeTools\mimeTools.dll

            Filesize

            117KB

            MD5

            7e3474120b270c6c8c37a231e3b2aa4e

            SHA1

            14d15d551e240f643022acea397ea4e36e29ca19

            SHA256

            bfd054f3e66c2437536a86a18a0048271b87fe571e0c13cc88d0df5b214b65c5

            SHA512

            e6b5158b5f54b678cbce5722ee64a62edbc1994c0e3f0fac59bfe40d0cc85d9d06dd6108112a01a08189ce388f2edd2a5a6f89cf650520176101a7e0578dae84

          • \Program Files\Notepad++\updater\libcurl.dll

            Filesize

            533KB

            MD5

            b340bdb550560f578fa66d833f0b97d7

            SHA1

            4732589eeec80af14e036e859f1d9edb55319dda

            SHA256

            96c6495873e33d3b372180f52eaf34d48552556076be865b04be2e004176610d

            SHA512

            9ec46dc64198742b10a0e0be08cf2553a1b144122f5809f8afd20ee8e1b17a88b7f288e2e4f09f9b9b15f0cf4325c2e5a816a158750cf0c5f7ee9c5ab513bd48

          • \Users\Admin\AppData\Local\Temp\nstE34F.tmp\InstallOptions.dll

            Filesize

            15KB

            MD5

            05bf02da51e717f79f6b5cbea7bc0710

            SHA1

            07471a64ef4dba9dc19ce68ae6cce683af7df86d

            SHA256

            ca092ba7f275b0c9000098cdd1a9876fe8dc050fcb40a0e8a1ab8335236e9dc5

            SHA512

            c09e475babd5eb675cdf903b2b754b8b68450a731cb520f3dcbf9abe0ed03d19256f009429977d3a51decb3a2a938be0b28dbafeb407409fa85e54da6dbaaad6

          • \Users\Admin\AppData\Local\Temp\nstE34F.tmp\LangDLL.dll

            Filesize

            5KB

            MD5

            ab1db56369412fe8476fefffd11e4cc0

            SHA1

            daad036a83b2ee2fa86d840a34a341100552e723

            SHA256

            6f14c8f01f50a30743dac68c5ac813451463dfb427eb4e35fcdfe2410e1a913b

            SHA512

            8d886643b4fc24adf78f76b663227d6e61863f89e0cbd49548f40dd040666ca94ea46bec9e336850e4f300995d56e6dc85b689c8e09ff46758822d280f06b03d

          • \Users\Admin\AppData\Local\Temp\nstE34F.tmp\System.dll

            Filesize

            12KB

            MD5

            0d7ad4f45dc6f5aa87f606d0331c6901

            SHA1

            48df0911f0484cbe2a8cdd5362140b63c41ee457

            SHA256

            3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

            SHA512

            c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

          • \Users\Admin\AppData\Local\Temp\nstE34F.tmp\UserInfo.dll

            Filesize

            4KB

            MD5

            9eb662f3b5fbda28bffe020e0ab40519

            SHA1

            0bd28183a9d8dbb98afbcf100fb1f4f6c5fc6c41

            SHA256

            9aa388c7de8e96885adcb4325af871b470ac50edb60d4b0d876ad43f5332ffd1

            SHA512

            6c36f7b45efe792c21d8a87d03e63a4b641169fad6d014db1e7d15badd0e283144d746d888232d6123b551612173b2bb42bf05f16e3129b625f5ddba4134b5b8

          • \Users\Admin\AppData\Local\Temp\nstE34F.tmp\nsDialogs.dll

            Filesize

            9KB

            MD5

            466179e1c8ee8a1ff5e4427dbb6c4a01

            SHA1

            eb607467009074278e4bd50c7eab400e95ae48f7

            SHA256

            1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

            SHA512

            7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817