Analysis

  • max time kernel
    97s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2024 03:39

General

  • Target

    MegaDownloader_v1.8.exe

  • Size

    3.1MB

  • MD5

    e88a876515ddca653c424791d614e58e

  • SHA1

    4dd7b4bddac0aac4439e0e1582a943628b670e63

  • SHA256

    76a56aa46b0102a96a4af355f5e03aff2b6ae6076f040ff4ff4e0d943a75d411

  • SHA512

    3d7bc4c0da0216b632551b4520d1b3ab4442175e03db5f4705cbf69ee41d1cf4bdf8ccd275ee40634346f549f16d93d7a98ed929069032fc87a91b8b1c489db8

  • SSDEEP

    49152:2qeNVTiHG5hswaJJoUxpyfKV5SiheRiiZQCu9f0BTHgXhfSUQP:nE5iHUPajqCVlwfgJ0ZgXxxQP

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 7 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MegaDownloader_v1.8.exe
    "C:\Users\Admin\AppData\Local\Temp\MegaDownloader_v1.8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\is-40LQR.tmp\MegaDownloader_v1.8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-40LQR.tmp\MegaDownloader_v1.8.tmp" /SL5="$40108,2536378,780288,C:\Users\Admin\AppData\Local\Temp\MegaDownloader_v1.8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Program Files\MegaDownloader\MegaDownloader.exe
        "C:\Program Files\MegaDownloader\MegaDownloader.exe"
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2380
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2380 -s 2836
          4⤵
            PID:3060
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:2364
      • C:\Program Files\MegaDownloader\MegaDownloader.exe
        "C:\Program Files\MegaDownloader\MegaDownloader.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1996
      • C:\Windows\system32\wbem\WmiApSrv.exe
        C:\Windows\system32\wbem\WmiApSrv.exe
        1⤵
          PID:1664

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\MegaDownloader\MegaDownloader.exe

          Filesize

          2.0MB

          MD5

          f3b0a05d8683d57861e9a42f451f7349

          SHA1

          1eec6fb2649038ae4ec2daa1d7464fa7e7c5ed3a

          SHA256

          388af83e7ab90e23beb0f662c3e08211f63230a7f985e92d4b4d559d8d62b556

          SHA512

          c8385282e269772902db470d12784046a6dd62c067ff6d00874159116d20942bb5d02997874377cb6a1ad24fbd60eb954cb713c30de3efe45ee6db066e57b214

        • C:\Users\Admin\AppData\Local\MegaDownloader\Config\Configuration.xml

          Filesize

          2KB

          MD5

          c8c0fe4ced882b685e9671b5e644f03c

          SHA1

          c14aadff205b8fd132ec117f1b57ced24a4b1373

          SHA256

          ce67149cbd6ed2dc918015b73ce2101a7d56604ed1dc00f3d65334525736a15a

          SHA512

          f618d11abf5e0263a61103b1717e90dca4ee4ba6cecedb9f24e70340d93c84c242826255d97a35049551450fec7e54143e7cdf1a86199a6e370b114d0ee132f8

        • C:\Users\Admin\AppData\Local\MegaDownloader\Config\Configuration.xml.bak

          Filesize

          2KB

          MD5

          d5950a8834667583315949fc6b56ee37

          SHA1

          0f2f71ee5a0a592f0bd3b0d0a361a00a5ace3e4b

          SHA256

          eebb43abb4a7d162fb28f605375548048a048475163685d0446b9eaed565fc81

          SHA512

          8ddd26cca91647dacabbc91cce633bced4d5bc43a0a4e609fdcfcffe239919fa46beae1b660ebb6e42fd93e8363992fb350a88c79c8d8cd0992d5c7af8d910e5

        • C:\Users\Admin\AppData\Local\MegaDownloader\Config\DownloadList.xml

          Filesize

          17B

          MD5

          1a5f39d6e4af9f4825929fbc8d3a51c9

          SHA1

          5c534f154fdf879d1e7d14e215e872dc083e9e2c

          SHA256

          87e06ad305554830307c972ce7e94ff01ab4272a56db56d8db76474e2292fed0

          SHA512

          de3f1bf484dc1207173619f3378e4aec7764291ce2dd426d576cdfde548030c9f9f9bce67004b5c15d0114d3786d007fd9ab6063e2a3a799b8aed0d6b60e2992

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\de-DE.xml

          Filesize

          25KB

          MD5

          a4f67753bcb5c5dbfa768e6e144fb159

          SHA1

          0967bc5a43dd72b244ebfd7a2729f0ff79254318

          SHA256

          2cec94cffa0c61ca0e18c6674761e00724af589b9afb9fcb5d8b103fb8a4b484

          SHA512

          f26a7dc162dcdce85e9b73b00fbc06980f817e963e20dc76336eebc2d0be72ed59da997084847dd4bacd5617ebb45d59eedd56e0bef1f8bbe9ae3c48d87b8976

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\en-US.xml

          Filesize

          32KB

          MD5

          bf2e92ae7c472b30934b61f25e4f4f26

          SHA1

          eaac2628eb79e0c4d790b38e5b7afb6dd699b6e4

          SHA256

          0327deb81a52bae540fc30873765d7c636f296de64e093f1e3d34235ab68240c

          SHA512

          9c4e57ca77506a7650a470dae1e3da8427b23b1d54bb160db725bf10fbaea1282542aa8586d7b78c409af372b49509b777339ee83f3170397326c0caaf3582fe

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\es-ES.xml

          Filesize

          34KB

          MD5

          5b112fe88e97a5abea97d130e034fce5

          SHA1

          46facadeb850b2f8069eba1fb6278cee2c116df9

          SHA256

          37c3090d3e0e96b5798352180529301fc4140a2dce6cf164ab7bee8830d286f5

          SHA512

          8c94446268349df731c4dc5a7b8f56e596fc9bf104520d190fe594e54dc3abd914b1f5567789235c8493783eca77a2b988108ee231044469f9111955aa2d5b37

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\fr-FR.xml

          Filesize

          29KB

          MD5

          f6a68c9f9aa1138ef0e3e2dbb7ea3eb6

          SHA1

          3da6acf646be00c0f452352d1debb9b7f2131935

          SHA256

          81d8348d26a2a7e68797757c48632a0633b979cd473fc6349bf789cd7c9fe350

          SHA512

          e53d5db3fb13984b5feb3be5d51bd0e35f2da1aa6d82e92a15eaf36aa506ed5af550646679c90e1172c2dcb4f3d640862f9cd799a74170b3384b4f846e2ceb5c

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\hu-HU.xml

          Filesize

          28KB

          MD5

          574d1f82212e2080316a0afbeb603d4a

          SHA1

          e7095dee85e3f99668c7cb9b21915557b13c109b

          SHA256

          f0abad92b8238b09f3fc7eff97b114237937728c31955a7dea2a943060e83520

          SHA512

          1a3ee6d8a96ce8556bda5627724d5e0749755b44792042c92ad964ecc3b223edd412d35c18b888ffb0e682a4be27bcf114282246b9ca11c6db8a54fa0c204043

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\it-IT.xml

          Filesize

          25KB

          MD5

          4e316056ab88b3efb2bd84828149ab47

          SHA1

          4ac65cf517f1a3a7a47cf750f6eb6ef3544ac192

          SHA256

          ea802b85670d0d68af19acabbade695b17eeeeb8d70170936068948b4af54f1b

          SHA512

          af495f4cd9b6633eda6767ea47879f3ca981ad752cb26f1e4e4c3c52c6303c547895e39f570695f085c0d7f019822ee455bc912c8dbbb1717feb7f4a78699dd1

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\pt-BR.xml

          Filesize

          28KB

          MD5

          5e78b8a413b2ad84eed89a1e00267a03

          SHA1

          affc1eccd87c72a8c8be9e8a91d257f640fea7ec

          SHA256

          eeca391428992fc504eee0448285750d2ace048409730b28f658e18be2916acf

          SHA512

          9018f7d7d3da3ff88efbfc80fac1ad10ff328cf6aea893b8d1ea5f613c2498104c0f4f0c584e6f2f5b12c0a7137f4ccc717aac023e355a55b97bebf0e6e3542b

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\ro-RO.xml

          Filesize

          28KB

          MD5

          54867276edbc9aa48628494ae3d565cf

          SHA1

          3a14abfb965d56cdf0f6366d734c55a8c4d54bc2

          SHA256

          bfdd3dcbe42e7e9b8ec25d710f0418189870abc99786e96799211939b83eb2c9

          SHA512

          147a705f287072f85a905e710616ff3fc740afc9f9178a342172774fd9ca6c88ee4a54daafdde2ee7e9173dde8eebedfe763cd6e363a2940b16ded12ed11d032

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\zh-CN.xml

          Filesize

          27KB

          MD5

          2dfc67147f55e300945dd15cf77876d6

          SHA1

          ce944badf7899cfc9a304055696fec5838133f2b

          SHA256

          4d0299381994b9d1a8d7a67738a480acdb19d5554463515d131c077442391ec1

          SHA512

          f9a142236774538c039f4f6b8579f5adbb27a9a0d856293507d37cf697ab43e7df0141bb047ce047b7d36b992eade1aa615f70dc2c1966713938d4db9185e54f

        • C:\Users\Admin\AppData\Local\MegaDownloader\Language\zh-TW.xml

          Filesize

          27KB

          MD5

          8a63bb49245795fb7001cc3cdd6ca856

          SHA1

          32965879bfb0d8cae0d9cd25450b48b5636c1a7e

          SHA256

          73fc69edebd1b1bbfcb6ed84f9ef59793f0bbc7a164adf98751fb44af4ee907b

          SHA512

          585d47166bbf08c540d3e8cb45b6e97f67c81b91f89ee1eb530b9de04bcfe43bb9861ba09bb636e9606750dd1d0d047d80a15bbd1340d72e42291318f2b1644f

        • C:\Users\Admin\AppData\Local\MegaDownloader\Log\Log_20240319.txt

          Filesize

          1KB

          MD5

          3ec9d7f622fcab7b3fdcdb94f4c2bf27

          SHA1

          f0db8b836350000acf8fcf841fd17204db63f3ad

          SHA256

          fb52e1d3738c62b584b188d8aa5bea27a1a7062ea9871a8d1322a07df5038114

          SHA512

          e9aa158e8df4a432022a33721e8921bd02733cc7f8c810e789c1c43c311d86b1d12fec4e58738d2a87840e14bd0bdff7cfc48d544f170965219ed60d8858585c

        • C:\Users\Admin\AppData\Local\Temp\Cab5ED4.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • \Program Files\MegaDownloader\unins000.exe

          Filesize

          2.5MB

          MD5

          86d9f15fb28060c7c52735ceab6f3b02

          SHA1

          f9f7e4e51e046ad82d01e0bf1a91da70a2186dca

          SHA256

          4c57d90eeaba9e1281f8d70d3fddd8d994019fc372c96a83102b81adffc500a9

          SHA512

          506a381cd2fdf52419358dde957b7fea097f01218c5850437fa855bb21fdafc3119faed1f8297be2ae747dcae009af40bbe47d9c145d29313fcf93cb24731c95

        • \Users\Admin\AppData\Local\Temp\is-40LQR.tmp\MegaDownloader_v1.8.tmp

          Filesize

          2.5MB

          MD5

          96eb39b5d1650daab0a9fde463532dba

          SHA1

          4fb2fb85a00120526bac8439209241b00bacb987

          SHA256

          cee4083982feb0e7b78423295621a98ec63df522cf4475e3cc103ab3a95c0896

          SHA512

          780c558be33290fabae820f02c62d0e3a61792a56a06d80a248e9cf12b345f6d1bb45421970305ddb3dd17866b62d600d999c465803f68d0e103182715313fd9

        • \Users\Admin\AppData\Local\Temp\is-PIDQT.tmp\isxdl.dll

          Filesize

          121KB

          MD5

          48ad1a1c893ce7bf456277a0a085ed01

          SHA1

          803997ef17eedf50969115c529a2bf8de585dc91

          SHA256

          b0cc4697b2fd1b4163fddca2050fc62a9e7d221864f1bd11e739144c90b685b3

          SHA512

          7c9e7fe9f00c62cccb5921cb55ba0dd96a0077ad52962473c1e79cda1fd9aa101129637043955703121443e1f8b6b2860cd4dfdb71052b20a322e05deed101a4

        • memory/1996-91-0x000000001B670000-0x000000001B6F0000-memory.dmp

          Filesize

          512KB

        • memory/1996-104-0x000000001B670000-0x000000001B6F0000-memory.dmp

          Filesize

          512KB

        • memory/1996-90-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp

          Filesize

          9.9MB

        • memory/1996-89-0x00000000011B0000-0x0000000001212000-memory.dmp

          Filesize

          392KB

        • memory/1996-113-0x000000001B670000-0x000000001B6F0000-memory.dmp

          Filesize

          512KB

        • memory/1996-112-0x000000001B670000-0x000000001B6F0000-memory.dmp

          Filesize

          512KB

        • memory/1996-111-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp

          Filesize

          9.9MB

        • memory/1996-105-0x000000001C3A0000-0x000000001C3C6000-memory.dmp

          Filesize

          152KB

        • memory/2380-35-0x000000001B600000-0x000000001B680000-memory.dmp

          Filesize

          512KB

        • memory/2380-37-0x00000000010C0000-0x000000000113C000-memory.dmp

          Filesize

          496KB

        • memory/2380-36-0x0000000000D70000-0x0000000000DDE000-memory.dmp

          Filesize

          440KB

        • memory/2380-34-0x000000001ADE0000-0x000000001B266000-memory.dmp

          Filesize

          4.5MB

        • memory/2380-33-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp

          Filesize

          9.9MB

        • memory/2380-32-0x0000000001140000-0x00000000011A2000-memory.dmp

          Filesize

          392KB

        • memory/2380-53-0x000000001B600000-0x000000001B680000-memory.dmp

          Filesize

          512KB

        • memory/2380-56-0x000000001B600000-0x000000001B680000-memory.dmp

          Filesize

          512KB

        • memory/2380-87-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp

          Filesize

          9.9MB

        • memory/2972-1-0x0000000000400000-0x00000000004CC000-memory.dmp

          Filesize

          816KB

        • memory/2972-52-0x0000000000400000-0x00000000004CC000-memory.dmp

          Filesize

          816KB

        • memory/3056-51-0x0000000000400000-0x0000000000682000-memory.dmp

          Filesize

          2.5MB

        • memory/3056-8-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB