Analysis

  • max time kernel
    144s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 12:33

General

  • Target

    WaFilterApp.exe

  • Size

    14.4MB

  • MD5

    a4d195ccd7822ad76ae51614207ff64c

  • SHA1

    76e37dd3761693b27d4b3ed95b1f899d8fa73a6d

  • SHA256

    16538ee182d296f247a9a1d9c6b6f6ef8b0c098d68b14aeaa0c04727b34ed18f

  • SHA512

    961e35c9ed37150602361ef0bb78a4f7f8fab47293c8c34c5b8e50e2daf52f7319e35bdda57e646e8606ccd9ae4c3d8300f98ed0b6bf8b51ccd521e13b51c385

  • SSDEEP

    196608:V1EXPC7hrKiqNpFExqlmEpGzSj6MqYFHSv4qKh3ogUU1CxFkQ52cD9ICRAz4SlmJ:jEfAhrQpWA9ql4qU3woEhIwAlw

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WaFilterApp.exe
    "C:\Users\Admin\AppData\Local\Temp\WaFilterApp.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\is-IRG4H.tmp\WaFilterApp.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IRG4H.tmp\WaFilterApp.tmp" /SL5="$30144,14276700,844288,C:\Users\Admin\AppData\Local\Temp\WaFilterApp.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Program Files (x86)\WaFilter\WaFilterNew.exe
        "C:\Program Files (x86)\WaFilter\WaFilterNew.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2952
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch&plcid=0x409&o1=.NETFramework,Version=v4.8&processName=WaFilterNew.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2368
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2368 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2668

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\WaFilter\WaFilterNew.exe

          Filesize

          2.6MB

          MD5

          85ca772e58a46df23cfc12b854ba3d84

          SHA1

          23752a6772732a57da7e37b60248c54a139d49a3

          SHA256

          a8841c945f5d3117745fac3a64f7735a683eeff78e28a4754dbf75c2b09d3612

          SHA512

          768aa9186676cf174bd6d7ade1e67f982baf56e41f816d78984a312a36ed5d99a05a26e395c6acd3e51311b3180708c4b7be773e3b31cde8845bc4a6b0450525

        • C:\Program Files (x86)\WaFilter\WaFilterNew.exe.config

          Filesize

          518B

          MD5

          993a2af70831587d2f611c7efb141f96

          SHA1

          eda856d35705dad0dcecc49ae7367937b839eaa3

          SHA256

          856026e81cc0bc78d5096f532a40d1ccb7f97044028d37447fd454a9a1582b49

          SHA512

          005fe13d617bbd12ff57b77323cec187add8bf2322c56616df27ac0aa75bd86543d998e14a3a0b57719bc203de381e9add9d6fa4cd9dd42d0cd5ec6bb226751c

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

          Filesize

          68KB

          MD5

          29f65ba8e88c063813cc50a4ea544e93

          SHA1

          05a7040d5c127e68c25d81cc51271ffb8bef3568

          SHA256

          1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

          SHA512

          e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          d18b8f84cd1536e505e86c36462117e9

          SHA1

          0890ca11d656d3c59f9eaa6833b05a933546926c

          SHA256

          a57960fc5e618c5ca9da5a91c4b0fa36e89609e59c3aa639e1af33402615c5ed

          SHA512

          20fc68516eee8ab7ada6c73ed3972f61da71323e2e418d2ee0f1ed483c7b7f405128b2e940af28ce95a4a3409e24c42703048e131317ee5133b4169cd97f9e03

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          f47febefa4773f99e808067770826186

          SHA1

          0014ca1278578b63e072cdb3e5d97a1eb7d46237

          SHA256

          f05babd0bc114d316fd58ec66f39518c3b29fd40672ea309aaa9872a6a7eb571

          SHA512

          e1dbce13060488919ed1a9df57a9e73a31a14b6f385d471705ce5fa4f2e0ec5f8774e641d2990d6b0f6b76e70141e2c82f54abf688c5b8477aefb1c3396a1c03

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          dfa7858e7090f361cf6a580387d7059e

          SHA1

          de6173347819686b6c033d455fb2f30de61404ee

          SHA256

          4979564e807963ee0503bf3dbf2b9f2c13a76fe531f990f34aa0541737e555d1

          SHA512

          1d1b8e6e9ac9f9a7d17d19acd0a849cc1cf066bccc0a7480d4e6e83118932e8232197efce81790e88c735666cc4af0a2c5067f09a670c463163d07ea7e10f696

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          ad7030ab8821f53cf1597446c2c68aee

          SHA1

          a17303ee0152802c7db4c6615a913b2d11ec87b8

          SHA256

          f19c679b0cd10482701cba5f362075c685d207d8ca0a06c8312093babcd412dd

          SHA512

          478c0fba891d62cd5eb84b18898d7efb2a775b750275b0f3bea919ea325159578ba98293606065d4c675ded6075eed2962c64877449c3475ca8f74eeb622aca0

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          93240200581029f040b31887f3c88d1c

          SHA1

          6b9ef644ed804c7f28a719989eab5015e1344129

          SHA256

          f0904347436a322f57b85a26769aff4a9b9105e42d00660bb642926b8e1357ab

          SHA512

          93798b4f24ae4cc1bab6611ab0a49ec9faf2c224c493a0fc4a7c69552087d8a92c5887b22fc44281d055143b91ef608062a8267c906d00a31f8e1455dbf7c34f

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          f3f3705e0d80f50f49dd71a79238f028

          SHA1

          cc248dc096ccd3bbe51ade2df3ae60b1443e35ec

          SHA256

          2b7e296fa59eff413443cb176b845b0b31929564864bdaab5f9f8bc7f9586aaa

          SHA512

          09e5e9d92a96fe79be578d9ed324158d276fc1007d69b167b92f16094820d8ecbdef3acbbfa6afad0b7d7502b7f9125c4db51732973d7051719f243c7f131671

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          bfd3447db8965cbbe97409288630c7f7

          SHA1

          a2efb1da60b6e8ae2ce51e383250d5a528bbd32c

          SHA256

          597507cd5da20ecec1d5817bc2f77a481fb1e1b6df6f82aacf965aa97b62d312

          SHA512

          9e96a33d1e0247d050e4a8dc6baa875815b1d17e882d5fa0fe5bdf1c43ed6b1aa97a32bdc3e401eccf871bc8cfe9ed637bdd2de36c97309a27cb0a051a02e70e

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          fa44fff011c14ec88cb19af50979e485

          SHA1

          cb9f114f6119d6603b2b952403c77d93d7993d51

          SHA256

          0f40b1f06a998482c6ea27bfac41bce343777b6103ade1990ed0b009b83d95da

          SHA512

          681c2144d61ddae661a16b5626a839fbd38197a5e4c75069b76bdbcc3073f0ad75f989dedbe4cc1ba5fc3934aa85f8471673a6aacc5f970de54eeff6d4686cfe

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          1ee4f1fd9d6ccda59889bd98c62e4624

          SHA1

          6552d8ab3db78008c77da6d15f4bd9072f51f2d7

          SHA256

          c4b9624ee2a78362875514d5bacedd2789dc9765ff05a86f506dcafe375141c7

          SHA512

          7ff172780825ce5e5cff249b872415dd5d2293b48f2fdf088d7b383855f2cba923b31b3cc6f7712805b92d4fd034d05cfa1322fdd7d4c9bbf1c697466961ea2a

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          5f0259ec05ef9050392335b19a32f595

          SHA1

          881005a49994b8eadf96e3f9c58b010fc4d5e2a5

          SHA256

          315d095a1008814bd11b66441b5423024d992c2dfce0987a8693dd716e1cef16

          SHA512

          9fc5563655b9cff8ecd19f4ea7343f68521839a7f9a8ede8281f5b0456e69a33ae16472886e83ea2538ac7ece6d296e3ac51fde31f79b0f94654edfeaa51b1d4

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          1eae257f49672be910166dcc57a9ca32

          SHA1

          c6443b377e9eb573a2cb2325048a52f79f4546d6

          SHA256

          1bb0e39ecb8c82d4297a1019d676d8248b398560438dea16143a0e338322c27b

          SHA512

          aff6a3040f040e39099d8af30c89829a61e550d4f4adf542d5240b6f47849cea49c9d8afa97762adecae18bb057aa69a11c7cd2fa75726b71bc3624618e5ddc1

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          c7e343e345e7eb9b39473ec6ff689d16

          SHA1

          338719a8088b0e54e3f0fa60d4dfa610e27c6ef0

          SHA256

          32e35f4cbfa94ac3db1077375e6c8e521bfbd0379dcfebfaae05958f9eaea11f

          SHA512

          d3dea9c69c20a160585676da4e87499a68a43443a6b05ba9c7ea080ce916acbab74dfe1e8fb9fa33c410ed4c78d03597dd86941f729e66434d91fe968a2f104f

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          98e1a9d4aa517bec148d9cc957dd4aea

          SHA1

          2e68a504bfe74e1d87f117c46e83aa9f3890b781

          SHA256

          04fd66c249f9d52f3c1d4a06520e74d31429f2f558c7940ec788bdc9d1124283

          SHA512

          7f659fe052aeea303ad7f5339aa85654e6a9719f55fac77959a51e8a6b4ad8b1c4837eb7f3ab76e017b3954943f820b9b57d963d394bf82153191e871df4958c

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          e69d73035af465dd41a5bc8e5d6ff1e0

          SHA1

          efdef43df21e1ec06fc022f06c79f6e8e95e7404

          SHA256

          45c3fd7e2c44f2ab4df69099554debab84c5cc9b2c057ab943ad611fbe8613d8

          SHA512

          f3c480e693823ca398b8677822f48d5f011389d8c64959992669cc450bc676d82ffbe1b79db27a03dd0c9ee72ac5f85a1cd1b76fb70ecb03b42f7a877ff8a3eb

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          fe3ff86b721843d18c386821a493606c

          SHA1

          1642b6a0f3903b3e6bd5a669b8c3c4564eebc8ac

          SHA256

          20ddd17a54443eadb05bd8f73841eaeac34ae08e53e3af9d5e10ca5a255bc285

          SHA512

          c59f18cca37b03b09ed5826db0a29f237d4c6e86d3993c962fec2eba2c58ab6f62766785028cc3f9b8c0ec78a27072a1535983526e06a4ba167142800a9e5793

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          6af812dfb1c21583947163113d555c47

          SHA1

          ffe2724868919ae6e0204e095c24433139a2caeb

          SHA256

          462b55c618c055e720602fb73cfcc73681f0c55b2f062dc2b9f70bb5143ebe6a

          SHA512

          c95288c38ba4194af74bb7354709de15eb786120f43614a3c03164caa937da095689522eb12cbfb67a7b49e3b578f1476cc64e27d6ce19fb678982084757af9c

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          a29fc8cab2079cdf7e5fd2b967a163b6

          SHA1

          925484882cf6c1d4227bc506adc5d18d23ba3427

          SHA256

          91f2a0f3755fd48b37703b23802d8c68950af7831248a95f50e67365786c12ba

          SHA512

          79d2765da56b5dc77b6accaecdc52b2ac3ca9b01d4685f733f368f4f612ab00e5f9bdf31b3de83e91fde0f015c6a53df69aaf1bf1e74a4415cb43130099618c3

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          9248089a6d032793488cf3c3bc2c8b48

          SHA1

          3f3fc4744098a0b021d3f1087ee7fe0de7996849

          SHA256

          e74d3b918c204685ba7de3bbb7c59b578596889daf4ac190901bc6c6120d2414

          SHA512

          1e656723e59af3695faf1eff64df962c77a22603129df0bfcd22f9accefeae8c5353700550f47710c16d73a796d0832afdfb6af61f25989b9155b7581ce58589

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          bec77127e7df0c44c971045e0bc1c8a4

          SHA1

          d8318fe08d056527c931c6e8746a5a43527a2c40

          SHA256

          db60cb2a3c5fac69d5170ac5ed59011a2aef0b8e95f1055777b375176f6344ab

          SHA512

          368d0396bb9186494b9163f9285557372b2c1a3a2aa9d0aaa14add7946af8a30971393f1adaa54ba19f194f03bf5275fdc99788e531cf65c456706aa71014d98

        • C:\Users\Admin\AppData\Local\Temp\Tar4CEF.tmp

          Filesize

          177KB

          MD5

          435a9ac180383f9fa094131b173a2f7b

          SHA1

          76944ea657a9db94f9a4bef38f88c46ed4166983

          SHA256

          67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

          SHA512

          1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

        • \Users\Admin\AppData\Local\Temp\is-IRG4H.tmp\WaFilterApp.tmp

          Filesize

          3.0MB

          MD5

          050e34d6662fc104ddce974c90bf3511

          SHA1

          64e2332a244a8e94e71bb0def89b73ba1dd15839

          SHA256

          516af84c5ad10b4df6f663b7b3e28617ed42da60ecf1561f04b621071e3dde38

          SHA512

          75ff1ff4e8cfd25453b772646d8d81ee3670ff00d3b85dfb29e05e3ac5834a0000c776cdc2e7002bbaa7de14654e659cf39c22d93e470e5ebd643e8c97376e07

        • memory/2100-53-0x0000000000400000-0x00000000004DB000-memory.dmp

          Filesize

          876KB

        • memory/2100-2-0x0000000000401000-0x00000000004B7000-memory.dmp

          Filesize

          728KB

        • memory/2100-0-0x0000000000400000-0x00000000004DB000-memory.dmp

          Filesize

          876KB

        • memory/2984-52-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2984-9-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB