Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 07:09

General

  • Target

    72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9N.exe

  • Size

    175KB

  • MD5

    31ca93728d2aee577a466066b3d454a0

  • SHA1

    e7164efeac4826f26b166016749360890c808235

  • SHA256

    72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9

  • SHA512

    aa3a3ae711c97cb2acfde9be827a9066d964597e97eb41b915b0e607a809dfb2e520c30314ba122f18656cfb0daf6321ced56ddba8c9f572c5eec9ed4a7212d9

  • SSDEEP

    3072:OIs9QBv2HzimgyKN/4FA1Jlz0rplf2lQBV+UdE+rECWp7hKqUiF5G:OI1GzxgjN/4FGzyppBV+UdvrEFp7hKV

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 7 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9N.exe
    "C:\Users\Admin\AppData\Local\Temp\72db818c33a2d886e1ba5cf48c90a1b1ea66503c1e47485987027f4ade7793e9N.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2388 CREDAT:275457 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2084
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1872 CREDAT:275457 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Internet Explorer\IEShims.dll.tmp

          Filesize

          313KB

          MD5

          92a738e5fdfca137c7007f124338632c

          SHA1

          e8ce4772ad1a3b8ef16f1c67082af7fbebaac911

          SHA256

          83ce76af387da459a9c4c6375787aca60780c880cc286eb0c3009ee5fbd3b740

          SHA512

          5278d9ed37fec1aa72ba58903f9faf5ca85e8d80359bcf72dd8c893d6097d3ec28ba39e3379fb8a915737f1b26307707c81e2c5c3d4ad9e9ef70c2e19bf2dabb

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

          Filesize

          342B

          MD5

          ef4b7d1fd12afa07a132647c18aed097

          SHA1

          8b90f30fbad62e6d63026181dd1b2f577891cbc9

          SHA256

          3547dfb09c432b770b77395c989a686568baf5593665b88e9c680f9d65291d0e

          SHA512

          129205b3e954383752cbc723393d50e203b5394ce9e7e37eb541ba4ec5b1708cb20adde40fc22d777fa38ab1ef2c50f063ad6c04b257cd2193d0b2ec0234badf

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

          Filesize

          342B

          MD5

          42868a401eab07594427c70df092d1d6

          SHA1

          7f38bcf22a74f1fe4927a7ea18e0bfbe567946b3

          SHA256

          8be7d9043021698c42644c69eb38743c2c8ed8e1925a54a50ba2586bede2cbe8

          SHA512

          7308c52893eb2416291af1837b88d78a2f35429d111111bfe153ba70e3b379dfcf50da266ea0dd20b587fbb18da3196b14d612274188cb28cf57b736d012a54c

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

          Filesize

          342B

          MD5

          1008a818e994766d9d3f34350cf6aac4

          SHA1

          46000398828a5f83b5678633cf3487d3dd156350

          SHA256

          0a59d152f11c497871bf3c3a59e441f63fbd2c44c1af9ee8657f264a1add045f

          SHA512

          f5f88cf14a2ec68d8ab426bfe1b62202a48c427d949cdc355807ad631a4d08386df8cf684994a377c0ac3eaedaf6d28514c599bf7734b823cb67f3158f0ce811

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

          Filesize

          342B

          MD5

          be6fd82b3523d86859eca8040547fd68

          SHA1

          a973f342723a69b8b983ab53172b0e3a721f573e

          SHA256

          8ed03a5ce874f0cce9ecef96101864e453fa59b7c1c4bab38804f72a60fecdcd

          SHA512

          d38f89509feaa4303ed595736ecb5873e8045f0025fca278ec6420a15ab58d9a313f64a448d93a23b9891282923b98fc35ed6fb8b8935b99d47514e75ff8460e

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

          Filesize

          342B

          MD5

          a7eba191bdac35bc11e5ac6cb796ec03

          SHA1

          93c8dc91a2fd05fd6bd7cd1da6170fd5f6cfb4c8

          SHA256

          bb8c8f23e333608924d7b635e22cf2fc1e123c8fe7f15525a44972678b411427

          SHA512

          3d6b6a6bd9f8d8f655706b43067e44693b3dcc34f79ae0e00ef59631771052bd12c251c59dd06bba794828584d46980f8e7690d92f2b6cc5bf2b49883a6c6401

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

          Filesize

          342B

          MD5

          a49251e8c14a2f9283e307ea3b6fcc10

          SHA1

          5c0b2dfcdbfcc9f335573b5b2e1724a97861af50

          SHA256

          c8a68553f1b1bc3dc8d614389e909635de1b74ef2535a45e08213409397edcb4

          SHA512

          034d82a0254e0b1e2b8f87368acaa8587344a59c450d120cee52e5895467ffbfd401d917d3b57db519a08fe84562e135bba478b85ace7ba7d04ce119937d9a2c

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

          Filesize

          342B

          MD5

          1417fdea9cc3881895b0eb3d2a01c079

          SHA1

          68caf49655ef2a6eb0e762fc120cb8eae321a582

          SHA256

          733f0371f3fa52e6f9f4459ae40e85d1d30bc8d3795062f40334de2e86c27275

          SHA512

          affbbcc233fc564a99cd8d0fa5c3588fd808110b016574913ab2e4bae2c96bea4f800a87c3a9e1f6834dd006c68bfd933ecfa2c42b6c287a363bcfcf14b48b3f

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

          Filesize

          342B

          MD5

          3c10f4c2a89cb1587875130a557acca7

          SHA1

          1146345b8ff791484393fc52d8267d337f0ef58c

          SHA256

          b8d56c6a8270571e019c2a77305c2e29dcdb3d25cc0cff56756fbb269d8b0f76

          SHA512

          e930593e152b2201b37adcd03db42cd7ef050aa9f9046eb8127a04222c0f1b5fc40e96811fdf9e97921fb0a15d5b43396db5da39b7355cda855d770203ba92e1

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

          Filesize

          342B

          MD5

          c1ee84a9c37fed75f36a30c2e6d4dcef

          SHA1

          0e7a8a0220a92771a7c5965c500781a6f887e5c7

          SHA256

          415f3ed20c62ac73155437ddc8bc0439b3f1bae7282c14327d8b65017d95e971

          SHA512

          cf15543903c24037eb7322d489a783a3ea73ef1274e8bb9adb8e8583f085f5567f88452f3a90092e9ea7258ba8cfaeac934591ba6a3fb29e9cf8e34a7090be11

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

          Filesize

          342B

          MD5

          5f9c62d1bed0f07cb037b697750b6d37

          SHA1

          808202fa7815ad66b56108410076a06e9426f057

          SHA256

          195d843de823db69d414d385296a9e05c02056eb5176f91b8ae1f12929f32044

          SHA512

          83da3601a498e3903f0bbec60129f016480ad33612db143d56b1746b0dde81c32e875ac1c5ae61a3a7e2628fa7c9db42dcfcb0326d5ccd1d70a2629fc5cb3856

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

          Filesize

          342B

          MD5

          3d8dc92d929c3c070921aadd8c62f9b2

          SHA1

          3200e4559f3ee74d1e139d009a1a5791a56f5bd7

          SHA256

          b404464cc9dcce2558bca34852ecd414edb85007ab0cc7d852345cb1293436e5

          SHA512

          a8d76f3a8a1234be22e64ab1b5a569feaebad97e7b681a5104e3b502c018742d98735b3c60ed94e256b69fd0aed710527aa034e3998c9dabe8423e12b9c787ef

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

          Filesize

          342B

          MD5

          d4287d9965e381ae5f314da632260628

          SHA1

          04d87031546de3f08535ef5d863b948adaa75c28

          SHA256

          cd3996f1c905fcf93eec49a95532bcf2de563b61ecdea3e193cea07f9dc00090

          SHA512

          e1863301993940fc8f67767377f797ffeef6d81519abddc4f40368865b0512dee84a5c215c21c0487f9e140e366112bf8ffc6cb28271ef430fda5411d9649609

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

          Filesize

          342B

          MD5

          67e78856003bf2544fafa22bfe24510c

          SHA1

          d6973df98aff18cc5db5fb3f8ca8034017d19b1b

          SHA256

          cdda2eb27e8e734990ef9506a7bacbc69e6d4f88ce493c1dc5e3ee989ffc60df

          SHA512

          35c5d2e28d2493701d3bed74c5f16f1af68d73c8b909af02a414b6017015faa7a7f60aeb484e9781ebf44231264febc16551608c10a362e01a968301864266cd

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

          Filesize

          342B

          MD5

          b65295f8a3c24aed12207143e049a740

          SHA1

          f6ea43e1b4c4a3e33a178ef06000295738185f41

          SHA256

          d04b941de9d0df133befe43aaed8dc2e3bcb66b3ebf4f77bbfce5c8c25c40a3d

          SHA512

          c406004047d002a4571ffb7a6a22d088a7946d233bc49d193e2df06e9d2bec4a8a2ddc21a897889bf2fdd26414a3268c66959068d9d76b76ecd70bce5f7107c1

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

          Filesize

          342B

          MD5

          6341b5879c3ac8d8cd6c119a865427ef

          SHA1

          f5bf9ee5ca0ae975c0d22932d10da8a234dc60df

          SHA256

          a0de0adb95b5cdd2efc41dccfffe329052bb51402ab6e82810655da109cc56bd

          SHA512

          b2f85ac23874d4c03db8938d807a1223ae4c72b55eac692d56acd251be0cb20018b16dfe4042093a319d02002e1258d5da461c9a27b79e5372b1a45a23a25d29

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

          Filesize

          342B

          MD5

          fb57c99289bb6126eec0f57bf93e0c3c

          SHA1

          a9180b40303a1a6d991df23bba58961d773f4a9c

          SHA256

          65815aa3931d3b6ee383508e812c1461b1b4a58c7dc806a38ffeef18e40b9c13

          SHA512

          e74243e26288b75efc4d22e6b54892f9a0a322108c2e08a1722dfc0dd933680e3442bf74aa8dac219eb7f89b0537bb6fe7df7ed1303e178021337b8a4f2c1ab9

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

          Filesize

          342B

          MD5

          575db733f3fa3ffd8ca322288c0e0c8b

          SHA1

          0e69ab2cb4cc49f1723875c5097e08575086e12b

          SHA256

          8f6bebdced3fbb0844bf36829dc234149a8ad866ba090443249d63607a8b6da6

          SHA512

          f759a1427d0fb2a737aa92bb3bc50fc4f711f65343b2a70d063d63c44baf753c3c94be56a4232f6b32f966862cebf7e245091f8b67815e82e7522b32ce1c4ff6

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

          Filesize

          342B

          MD5

          7983a5183925047b6ebf94fabebd0c70

          SHA1

          33c05aa5a536795c208f4c0894d95783da318a5f

          SHA256

          a371e41f1eddb962e68f2c5df1d812e029df9ebc7972cfaa05452e0a723261e9

          SHA512

          5bf0c01d01a93d7b40c143914125a935fc2ce45f118f38a19cfc44ca6c8206b31ccd6cb2fa76c3928eaea677c27ff38e92300118ad24c8f4e7622322f3a322cb

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

          Filesize

          342B

          MD5

          93b94a3563fa9e16ba0ab31d99c433bb

          SHA1

          b756c894ecb30bdf6eaf4e43f49f5eb6ff1e2d70

          SHA256

          9b5a26c495e95f40e0101198089e9b5a28178885cedf90e61b7d63b8e250ffcd

          SHA512

          f59356fd5d07387fec9c322f7ca3c7e1f180e2b0bc6d48a45b725e596d6bdb353ea3f2afbb945f40978b697c91295300a055df5dc55c52d7d6bab073703e7102

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

          Filesize

          342B

          MD5

          02a3a7b00b1bee5a05e3e9a3fe5718da

          SHA1

          55120a67114a51748fe06bbb769f7111e6d7ce52

          SHA256

          df82f24ca084acc376498aa10dbed589c56f9a001dd9dc9c1b9dbb35e5e30524

          SHA512

          4f56ee3ffbd1350e30ce861e61e977114c511d5d7df5455c92584a5bedac48157d45a25012acef67ee81c839081dace07b954db5d85abb4ad509e8ee45251054

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B35870E1-82E8-11EF-94CC-EE9D5ADBD8E3}.dat

          Filesize

          3KB

          MD5

          c20d2a03bcdb3178e3483dbcacd6fb88

          SHA1

          c059341a473f668b48ed850674ca1120d3a2a726

          SHA256

          94e09b4e1f3e54c9acbeb94cb5da0738839a68a3a9b5dabe70a30c029852159d

          SHA512

          0481e3498785930717fe928e32625b94b7947305ca6199bec82a1d826a250b2de5816f1f50e2b6aa23194e129767d42b19d995bd17830e856bd25e271fadec22

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B35897F1-82E8-11EF-94CC-EE9D5ADBD8E3}.dat

          Filesize

          5KB

          MD5

          42ad0306a17d11d0081f68156f199c3a

          SHA1

          11bb0cc2f89364e3ee86511723fa8de3d01a1ba9

          SHA256

          d0d9023eb8bc0ff7f1ebdb5294d08325caed10a9c144b151ae93093b03d631a8

          SHA512

          fbf36e057cc6c019b8e90e96354bc59483ccb194eb192a799d169e0a924488ebca699040b0eba8308d63103831b095deac3f593d18cf92ba8a0595bdeb97bade

        • C:\Users\Admin\AppData\Local\Temp\CabE5DF.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\TarE640.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • \Program Files (x86)\Internet Explorer\IEShims.dll.tmp

          Filesize

          313KB

          MD5

          dc18de5517fc99952554d9e50ea0e27b

          SHA1

          a8466e4cb25adbb5e805c1ce56378dd607de6915

          SHA256

          a817079c7e43fccce09d128718784d6c360ebdcf3e117ffa6893facd60f46f4e

          SHA512

          2cf2fbaad18a889845960a9d8068598f7c240eec72325ef641077675c9df18422080d5829172cc9df4b02d5b7a39547fc2617919eb611d93d609afa520238726

        • \Program Files (x86)\Internet Explorer\ieproxy.dll.tmp

          Filesize

          340KB

          MD5

          faecafb49fd8c965cda8b95cc1d90e62

          SHA1

          5982271c93300ae8bdb91c7e51134f82c7b4eeae

          SHA256

          832c950f1bdd28d2a802780428ff0e65d65aaf01f6a660d32e1e841f15e8fa41

          SHA512

          e1519501d0c90bcc3864e42049da6a563a32802589f70c5cc28061324b93ab8f090960c4fa57579c90a4eb842f6ca2e3eede297a8fb4528c3c4ea2f2283d721d

        • \Program Files\Common Files\System\symsrv.dll

          Filesize

          67KB

          MD5

          7574cf2c64f35161ab1292e2f532aabf

          SHA1

          14ba3fa927a06224dfe587014299e834def4644f

          SHA256

          de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

          SHA512

          4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

        • memory/2520-8-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

        • memory/2520-1-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

        • memory/2520-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/2520-6-0x0000000000360000-0x0000000000361000-memory.dmp

          Filesize

          4KB

        • memory/2520-37-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB

        • memory/2520-38-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/2520-7-0x00000000003C0000-0x00000000003C1000-memory.dmp

          Filesize

          4KB

        • memory/2520-9-0x00000000003D0000-0x00000000003D1000-memory.dmp

          Filesize

          4KB

        • memory/2520-10-0x0000000000400000-0x0000000000454000-memory.dmp

          Filesize

          336KB