Analysis

  • max time kernel
    95s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/05/2024, 15:07

General

  • Target

    eMule0.50a-Installer.exe

  • Size

    3.2MB

  • MD5

    a31156b8d80a68e8f4354c63e0747beb

  • SHA1

    185705e7d217132a104dc3f4ee12a72c7e8749ce

  • SHA256

    28411261cb3f27081f910190d1c7742fb805185430af10131d5b39fd2e39c832

  • SHA512

    33db65bf69a721be613316b729c06137ae4f323314b707f591b09f06f10dab2643f36742a457d04b5816e6e2aa795d78f01987ca173bd4ed0f0845279d2c96eb

  • SSDEEP

    49152:a9r/Wx+GhZdsM+1GfhXM5uOMkbKH+1Ma6h2ZoHrkQb7MOBIfn2vrPLuG:ASgsdiM26+1MaO2iRTIv2vrjp

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 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 26 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eMule0.50a-Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\eMule0.50a-Installer.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies registry class
    PID:3800
  • C:\Program Files (x86)\eMule\emule.exe
    "C:\Program Files (x86)\eMule\emule.exe"
    1⤵
    • Executes dropped EXE
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1796

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\eMule\emule.exe

          Filesize

          5.5MB

          MD5

          f3f709c2d49dd6636f4ede5c2cae5448

          SHA1

          8e0ea03e4c38199e10a2bc12db8b2df70484111d

          SHA256

          06cdf814387f627a4bd05a0c68211f715bfa952423e8e8a462e1f47c11a4d20e

          SHA512

          7a0df912b5ddc149d770260a2e1a3f55e58ac2e9ef02883e8baa08e79261075b82955bc8e57641bb2c16983abcada2581850fafc11b92a133605127bda80513e

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\AccessControl.dll

          Filesize

          10KB

          MD5

          055f4f9260e07fc83f71877cbb7f4fad

          SHA1

          a245131af1a182de99bd74af9ff1fab17977a72f

          SHA256

          4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

          SHA512

          a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\InstallOptions.dll

          Filesize

          14KB

          MD5

          14c212bb2fa90fe52a6424b955c86ad6

          SHA1

          9e94f8ad17ff9b6b31e5f029ee5f726e307ac8ee

          SHA256

          1854afccace3053dca2707b10609ea78a30f0ee853bdb9f251c076317ee53120

          SHA512

          d42fa579f93b98d1446daf3d0734c19838fa310ef27cd05344e25d9f86ba37a5fa1752236e5de4df7c9f414236538bd7431bffda126fb9c74fd112539de0e713

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\LangDLL.dll

          Filesize

          5KB

          MD5

          7e856702410e5598296a9c056c273db2

          SHA1

          1711125771f4e364717079aae5e4419ac3d69a5d

          SHA256

          394d7d46b5e1ea621cfcc4f0bc8609d5ad8d42074186cddb737f3abe10874403

          SHA512

          34ae337e44a5ce9dd17e4c726977f895b90614e02df09d9db46d7e6905850b05b44a4951508c07272acc2683454c1bc949ee1f83e14592e7400bdeae2033c886

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\System.dll

          Filesize

          10KB

          MD5

          4c0c6163b636f627e0d505deda672c90

          SHA1

          2eae4e6f00673a03ae2434f1b22dc9218e4761a8

          SHA256

          bea71368433f91e32c597db990089ecb7599879f76a64f7f3446489578b2d5fb

          SHA512

          e817ad35f0e89ecce9d73add641d9eab95de6c6c30153e594673c8e0243e738a31dfb872cc76a8d51bc513775fc1dabc9adb65019298048539d6c3aa7d33e2ef

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\eMule_Installer_Page4User.ini

          Filesize

          378B

          MD5

          cfcbb6f162377bb671fd9644f92da795

          SHA1

          efcfe48c03635573362a0b0ed384b1aeee3adad3

          SHA256

          35b8e9052e98d1de0ad9f544280fe3d5589e6f1702720afdf430944bf0a241e5

          SHA512

          7b52faa530c0781a839f40cdb0cbeeacd4f3de2e153c47a4a913f9ebc73eae40d8a96cee78c73b57d6784d10621a9a488e887041ca3fc5eb90c796787a346ac9

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\eMule_Installer_Page4User.ini

          Filesize

          414B

          MD5

          b49f612a800405b9440a5e5adf88c239

          SHA1

          b5b97e24b37e89dc530d7b44dac13b9364423690

          SHA256

          49c23a2b59ba891c60d913588ed72619e2ee8794ee24109f9b2c587b0e8c1cbf

          SHA512

          75daa5a7942f3da5ff6be156dbf327bfb7fa38ce0f9897a57d042d531828173127553e9b057e6752dc0ee1ae3a366b6aaf2a111eaf1e879996bed156e90b877f

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\ioSpecial.ini

          Filesize

          401B

          MD5

          2625e771b7206af6aba7c4864eb6015e

          SHA1

          c4f065b6afa5efb5cc4da5f6daca10e9884391dd

          SHA256

          c464ab33027d2843db8d76583aa24b305cb22cb1bca7c8ab96b57a3bd380082b

          SHA512

          45997b8517cc18e5239386f14cdeec8dd6431d14a6887dc54a06b434bb704ee49825bef73e72184079ab3a58d32a5a0621e794c2377a1cce2bb15a40477f5578

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\ioSpecial.ini

          Filesize

          870B

          MD5

          63db8429412900ad87afa836ee6307f0

          SHA1

          4abc24d54304c62f9a4b954eaff24a39a8a7ffb2

          SHA256

          a5050a90a11d597ac5312835d32e441e444b4143e396f3b13722a024e6b21fbc

          SHA512

          fc444351344259183965ebb117dc1dee8a9d899567a7c9b8ffdf1c448ea9046830f11d632228c9c34203fb3ab1334c428b3739d1a5aead9854ea9712eefe925b

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\ioSpecial.ini

          Filesize

          909B

          MD5

          6951b4a775c7a246e59c374772b2f865

          SHA1

          85a4613734c596b8e69aab9d413f056fb1835097

          SHA256

          084479d07e2a0ebc24a05a1479ce1316bff6b66e725374bb05a2cd667f67867d

          SHA512

          dd6c5aa5ef3380e8f0d760b7d788d9e48490100d68b189ce16e9527f3e922f25de9b22eed2a9e6e824ef7b411b777e5d42d0d0f6fc25350259560395e84e6975

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\ioSpecial.ini

          Filesize

          909B

          MD5

          fe473a0326246cfdf8e7460feeaad8c4

          SHA1

          183dd052a1b3f1ed730ae6a5dfd78305700a6662

          SHA256

          ca9043b1c44ea72803ad5d76db7ebbe56c5ed69e0b61ca2c36132f79165fa4b5

          SHA512

          afbfc15c492a78432caaf54287c88d09ff4f2cde7854ab011b82c5abca022e463b8cae2a53c983190bd36959a8c5265f51fbda65ff5602fcd9172cd37810472a

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\ioSpecial.ini

          Filesize

          918B

          MD5

          9877843ef704698808fe51a9c1de789f

          SHA1

          75786a7bfc9af6760241c603e7ffe41ca54aa3ce

          SHA256

          88e22ca121bbbd5e54ded73eccbd3774af3917b4e5240de64a719d22d52ee960

          SHA512

          0ad4c7c3447b1f6f23298abb8d63a558208be6c761436361679d8c9a8b4501dc0c2ced646f413eb4c22139809213838216d92a30e1f5db3e6fbcc8e1da24348a

        • C:\Users\Admin\AppData\Local\Temp\nsr4A1A.tmp\ioSpecial.ini

          Filesize

          731B

          MD5

          e57834fc7ff5915f995e3f0214003306

          SHA1

          965b4f8b822b987b72a79a260d73c1f49e29ca3a

          SHA256

          a7d5e411c1d745704ddc1ff5453f0a66b13b847919f37fe617fb19096e0390fd

          SHA512

          f39d8f8ec571e4ea5b67680f322c9b248184a19135835641e54b52824d27089e44cc33732adb694b9093a868247ee8598ca06f9920cca4759370f4707ca5dcec

        • C:\Users\Admin\AppData\Local\eMule\config\nodes.dat

          Filesize

          29KB

          MD5

          54800bd712e88a9124c07b80b376384f

          SHA1

          84c57c0752f55c361ab81fbf879f186cfdf4b16a

          SHA256

          7b1e446cb141e94cdec0fb746b41ad1e3e9be27d73232017e0057b3a11c9c433

          SHA512

          e8cc4d75172c6060865e61d28210fdafd1ddc8f2b639de58f6b869664efa7324adfab4a8c79a37f733298eb75ce8f36b3755e0338404bb686e26ad8abebbb6f3

        • C:\Users\Admin\AppData\Local\eMule\config\preferences.ini

          Filesize

          5KB

          MD5

          e33f5185af4f7ba80e35792372a2d7ce

          SHA1

          93cac5fd31194dae0d7dcbb689cfb9a1b8731520

          SHA256

          aee251a53d443e8eaec97f0b7a20ce5e58d2b27bc94db2114be307d296798786

          SHA512

          c41fdae593b8a506ae68c066e7d77efc51990a635579fe5a30ada6f22d5f00014a1eb3deabffcd33fb3bdade3839625faf78c6ef213b5e51fd389ea311eb1dd1

        • C:\Users\Admin\AppData\Local\eMule\config\preferences.ini

          Filesize

          24B

          MD5

          0ce0bf4ab463cb3b1d64466a99ffc811

          SHA1

          a92829fc0c196d678f65e62b8aa6be06243a2655

          SHA256

          7a82e48a514ea778005fd557e36c111ef801c4fa40b1583d1356811f7aec86b4

          SHA512

          d72117b6803fab2ec4320d0150608ae9fd7a8a5427fc2c1a717e208646ddf9b5e7c71f5ed1bc3113697adb184e96e7e1631cccbdcce17f0cdc70b391b78e8b03

        • C:\Users\Admin\AppData\Local\eMule\config\preferences.ini

          Filesize

          41B

          MD5

          6b545ed7d3f9093f2f16c193b7b8b852

          SHA1

          b6ee0cbe4fec76294343e2e149827e30abc0bf65

          SHA256

          e43f06881bb9b09d66f7b1c224581529a0e1c4d867997f188b345346755ebbad

          SHA512

          0bc690abf142a62396fffcb64d9423e9df9705cbd04c4e00021f073feaaeed46ef94989b46dbcbe8a74bb5fbd9fdd6c5a29e95a5243663b646544175c5b8f33c

        • C:\Users\Admin\AppData\Local\eMule\config\server.met

          Filesize

          389B

          MD5

          e90d2ac37dcdad552cb715a1dc279dd6

          SHA1

          fe9ac87fe5cfbd9e061dbe2918a6f679bc601905

          SHA256

          35b6bb358c094db327478310652ac5a24fc8a8c64e241f2c7948b9f6bc7149e4

          SHA512

          c043a64a245dead7a3b999ec88f8c549018b6d3eede8b66f20613424fcd3e3ad0ab753a3beb1060ceb8e3cd03e16a283f2e0397a131d0e16d1395b2fe4bb6bec

        • C:\Users\Admin\AppData\Local\eMule\config\shareddir.dat

          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • C:\Users\Admin\AppData\Local\eMule\config\staticservers.dat

          Filesize

          284B

          MD5

          248858a6725ce0629276e7814c9b9981

          SHA1

          02e2012007fc42756d00a017635801b0e290ca45

          SHA256

          a6520b0ce2711f7d71e9b12dcf15d7ea5bc6489125057b654fd183de38f4cbf3

          SHA512

          05b9cdad4a91b6ee5cbcb5c08f9034546974b0fc0d005eedd7cabbe5c0a9e8aea0058313eb2dcc9b6e63f3adf34547979e66018c7c1b64204c87145bbe99cf28

        • C:\Users\Admin\AppData\Local\eMule\config\statistics.ini

          Filesize

          1KB

          MD5

          7639d281347a1ec934c9d71f9eb1d747

          SHA1

          58d81bb4826969dfcff0164f03d90aa51c182223

          SHA256

          5a2e2d4234db27c2222d7ca1fafcfe1a9bb1b1bfa774bd21a22bcb9dad3a1059

          SHA512

          dbf92486f795c807553537861fdf531af66ad2c8039fd9e733b3cffb78b020ac33cc55eba0487ce544ba5c991e65777b5958404a5be89e7151a4c619989ed4cd