Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 18:19

General

  • Target

    703d51b3aeb16c0149b1798e1f6701ec.exe

  • Size

    3.6MB

  • MD5

    703d51b3aeb16c0149b1798e1f6701ec

  • SHA1

    c9dba44c975e5adc6c692d6a0e8f2be9775c51e4

  • SHA256

    87d6224decdba5622eadd30ceca31465fffbb003f2c9331f6d918405e8cf866d

  • SHA512

    629ba5743213c5d224bea53e41f1b38c3ca5a32c7a066ad6109acc715067bab588bcc177001914484163c46bdf1e22c60528549348c1b2337b37a366e931aab8

  • SSDEEP

    98304:7f2OcniLbQMqHRyHQw3GT3q7Lm3yZ4vFADmXSZfWE5RyryfsFB:z2OcvpHRE7Lmq4tADmXfiQr

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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 7 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\703d51b3aeb16c0149b1798e1f6701ec.exe
    "C:\Users\Admin\AppData\Local\Temp\703d51b3aeb16c0149b1798e1f6701ec.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\is-DI066.tmp\703d51b3aeb16c0149b1798e1f6701ec.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DI066.tmp\703d51b3aeb16c0149b1798e1f6701ec.tmp" /SL5="$7011E,3561498,79360,C:\Users\Admin\AppData\Local\Temp\703d51b3aeb16c0149b1798e1f6701ec.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Users\Admin\AppData\Local\Temp\Xinfeng_Jxc10.exe
        "C:\Users\Admin\AppData\Local\Temp\Xinfeng_Jxc10.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" http://down.63733.com/Xinfeng_Rundll.zip
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2608
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2608 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1016

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          344B

          MD5

          718facafe2dfab92a76d1fef0277a6b7

          SHA1

          35584b7333a06f7853311517e1daa64b23c590fe

          SHA256

          ae6706c456daf54e90c9807b1f819387ad27965f6cfefeeacd62ab4169360746

          SHA512

          0276c2e5b9e3fd3c7fc8d1edf9361e1e084474271e368ed01a6a24109d399459abd699ae77348542c454025365bda66c94ceadf358fbce17834e95b112c67101

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

          Filesize

          344B

          MD5

          9a4e9af4a48120fdeb6a24f2b1079d56

          SHA1

          3d7e8116091e8ca7d37137fc1f6bd8cf183d5f40

          SHA256

          d9300f5691839e037137a2f1bfbc06e58b1ea1d23a89fdf33304ae48dc5cf8be

          SHA512

          850f7898029f11c4691f7aec32edbada112537d352fa887cf43b0dc98d35319082d38788cf32443876008ad06903e00d654dcbce215223a46764a020d4f2bcbc

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

          Filesize

          344B

          MD5

          3a8f6f839b7f43bec391dd2100140afe

          SHA1

          df9e6e563f1223f35b979e62c3c7af18c473575c

          SHA256

          d81130e49c7ba7f96aa07851b10e98f3d99699a3164faf9b1c0c9f907afeae69

          SHA512

          8751a560861ce2fab7ba3f5343901b9c3b97095d3df2bc756ad8cbf9e8f1c673c37fdd56f55a170a58680a23e5e298daf65953ae31c65eaacf9d5ef6e5b5e66d

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

          Filesize

          344B

          MD5

          91db820983870e7680ca9cc4db517026

          SHA1

          fbf011802a6ad47a022c2b4b139dd1aed69d05df

          SHA256

          39f48b422200bd4ac5a467bd5768a5963936f644bd1a9ef89000e14710d9f570

          SHA512

          71e347945b5155eb25af27ff0138dc7b4f4d5a9d1f4fd20ef6e55ca7dca962ffbb775fe1ad9477bd1a13477d4bba731efc9061937d4b7d6039a1e407828a7946

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

          Filesize

          344B

          MD5

          605dc8217f44a8749e30ab1cb8b61ca6

          SHA1

          ec6cb86bc89adcac295577145de54c2f7957a0e6

          SHA256

          6a74a0b6faacb7c2abe04eb0c65526719d995ff08c2738b1f00946cb0412824a

          SHA512

          75550715a647d6aa8a0f6d2606dc7d5bf672cf3e3df6d0a059193d6dc34d4e2df2da77276c29a0cf7ec178930edabc130ff0cdb400681fc9eb4211f090df7bd3

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

          Filesize

          344B

          MD5

          a604c8bc29c5ad9f562cffd06f129e0d

          SHA1

          a029df0f35d2920853cf02a1000bfdddbf2e1c6c

          SHA256

          5557b726497eeb079afa7940b2246ce9f8a32dd0334c64b221af24288763278f

          SHA512

          19e4862eb213fefe90a58aa761b74c9671397d50c69842cefee8e35cc2a64fde0b94c1519b4110459e30a2d1fd24b60a37ae2f1c41f456eefbbd8b474a895180

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

          Filesize

          344B

          MD5

          c9b047f5744502cb29a335a1954350f3

          SHA1

          c426b9fcfe5de6e5c574c0b3a93c71bcebf00e6e

          SHA256

          2fe62192eec336fd1be3f712cae7122e9c148a57fa808b5d1264aba710fa697d

          SHA512

          e715e8eb464a96d62688ffb237c4edb454bc927d41bdf1f3249af9b597a4861498dc6dc31ba065964dcdf86a41ad6db3462e435e2254aacd53c3318d914ed339

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

          Filesize

          344B

          MD5

          0b9622bffb4b0ff227a3effd0b35fdac

          SHA1

          1eca4022a0ac9af604ba5c88fccd04b1f0d9765f

          SHA256

          cb553b2099e41dddcf6baca4beb317fd634fdb4dffddbd2a14e638c3b4758f4e

          SHA512

          4f9e8a95b133a33446efbcf59f313d9ade442c5b54f62d19f2323bae6d81bbf39d5ed7f93815c121a4dc58251be0b001fc69d2a673bad502005ba8ad9516234b

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

          Filesize

          344B

          MD5

          53d2d50539c5d2e284f11a641751cc87

          SHA1

          73432ec0e163667ddf3db2b8b21799a3888f7cbd

          SHA256

          9cb4903bf9e68347ff2b080e0be491cd76a638dd24b31d1b4f1dc1eee9c5cfc9

          SHA512

          b96aae9f1b4e4fdcbb949882c2cd632e9ec33ad474d8280a848dfa190299756b52e1deacf254c8fc619a083b8ce42b5543525a2b1b09f6e35e9dd1a0a962716f

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

          Filesize

          344B

          MD5

          0a6e668f6c3e8334f82e215d66de8fa0

          SHA1

          ce6d597140e6f0f30c5b8d923bf0aa243c44989e

          SHA256

          be345960967b41f31aeb68d9e07b1d0e3321c1bf0e72d09ada5895df1676f962

          SHA512

          21ba597c0c79f2abe76cab42b8b1b5a4bd73ce5727183d20c94812716d746e77bb65b47ae82d0312a9a3dc2a0256641c6428ebf98e0bca558b6e1061aaa9909b

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

          Filesize

          344B

          MD5

          4b5c4f189a25620f64496cf0608365bf

          SHA1

          85d42dcde429640b99531d623f72a6a09dbb17c0

          SHA256

          a67945233f0562f59a35f01e2837538cf86d2453ce2b0fed7890495b25ce72cf

          SHA512

          16dfcc80e4062feb566019823c557c889b2d74f7e156de0709d2857c81848f4e7681e84dd661004e0d69ab388d2bc40cb593fbf38622db33ed26122a089b4fa6

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

          Filesize

          344B

          MD5

          02ed0d0eeb622516cf070d54876c5dde

          SHA1

          fd8555c2fc9d2e29545c1d365a89551563a72dad

          SHA256

          6a7086d13abffc007e833a4759f0f90e530a3309c064c75a936bf6dcb4eaff79

          SHA512

          2339c47928d4acdb58b557cc51795b71b84a66553f8799155f2f1f189ba154b9e3b234d5bf62781c61daaa6cb6bd4d8098a5e9aa4bfaad3cd81bbbf0110ec574

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

          Filesize

          344B

          MD5

          eb853f1ffff3e73b68c9b9587a9fd7b0

          SHA1

          44a7b7dc2b53589a391c40fc1180f85c36945874

          SHA256

          d4b5541c374d644606e75a95cc0f236ccdb720a9309cd5c0e4a822987ef74117

          SHA512

          e0575e1e88d001987c7f430559bffb0a66cef2ef3fe5d6290019c65cfcf13134b6f01ffdbf897f44058846f28a46a99f6edc086dfe566ca5b7ddd1c7a505fb1e

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

          Filesize

          344B

          MD5

          9dcfd94bb83b64d3a9807ef3b0f81985

          SHA1

          6b363cae09d0807a540afc6c4f0a3f0ee7bacfd9

          SHA256

          b426e709278b96559839d21960e03a8511ab6e726af0a6e31c3530c921d50e00

          SHA512

          69466374af8c47bd557f4aa159e549222a6645cf7e555dd983c410261cbc53a84ce121ab46b5f8067cc24afff0b332910218322a5f740283ff627d8490d68e78

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

          Filesize

          344B

          MD5

          c5a67c8cdd99523bf3574652f0e9f4cf

          SHA1

          6e72b9606f253b25769de1c904ded1275138f835

          SHA256

          874148fc476b3b51f454940b1ffeaeff4638ca6980dbc03f42664e45cf577a01

          SHA512

          a4477ddf0b1556aed3c1b8653f9872fc1f8c724156b3e1a35595a5aa3ac6035a3881e4d43da31a298a92a6f1b88ce54889618f480c8c7f5a8675b5aeacddb451

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

          Filesize

          344B

          MD5

          fc476ae0e6e4fd65a733bd5fbfd638dc

          SHA1

          1ed1b842f4f1158f3bc9dcfe7da57761ed1a8c7a

          SHA256

          46281f8eeb01ec76308bc5418167f6676c3d21c51fb1ca9f230db876555d7110

          SHA512

          6832091b96a6baa10a1539683692ac18a649d2f6d88d015df85e59b13866b216a4ebea6017b53675c615d4a9974bd13001158548604d64f62073acb851d33e99

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

          Filesize

          344B

          MD5

          0d337e674349df5af223b32005c7df8d

          SHA1

          3f658d2254ed313e0f9eb89dc46bf60abdf3d521

          SHA256

          a7383f135f692555e6ae0317675655e3a8aed5749d9ef93c8ca709119201a3b5

          SHA512

          051724f2d6f2967ddf44d1facbf9d1d46ee1edfa5fa7ea6797c43a98a3c152d99d5c320c5dc07c02576da24c5b50bca36bcba7a66c171225e527e7ea56b285b2

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

          Filesize

          344B

          MD5

          43dd9be2e6bf0eb4dbf17143598b1eeb

          SHA1

          cb9b0d41c4e1a106481c834ad6691da68f163ae7

          SHA256

          0e0739155b0a5961bec877c7a909e269a239c0749a07bb9c59b9c3315cebeb7d

          SHA512

          37320b1bdab4e1be012209520e6b42eb417021d6432350fb93d812a603a64aac87136129e7bf75e9b8e28a9f5b6a62b6695dedade159b900a2f4b173d671e1a6

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

          Filesize

          344B

          MD5

          8609b4cf4a7e54ba1ac80c7f3653b424

          SHA1

          48cde97332a96c00447d15204d7738ddad7959d2

          SHA256

          58f63817b635fefbb8791747a052d49d7cfa0e32d9f5982f1c03463bc71bd951

          SHA512

          1754619bdd320decdb42c35a214e73db1280e5d5e2e77933de0d718e371d9f7bbd4906d0bda3f05f4ddc47f0fc506cba5076069a757cba97a7f25fc41782a528

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

          Filesize

          344B

          MD5

          2e55b4a2bc0f7e106c22e2fd88a77bc5

          SHA1

          f3039b0f6a67c5a6f8f22c2e5d6d4e50a443fd78

          SHA256

          74e3b7703f856ef0e99b6fe2de33a0f517baca318af88c0a61ab48ea99932555

          SHA512

          750598c7bf9f162f006197252ea7a2c3362f45f907162d8a234ca8c59cabddf832dd93086c3fa341a3d3b98706dbf8165964ec948926743da8d2c0fc95aa32ad

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

          Filesize

          344B

          MD5

          bc499edb8bca409b329717454ea2a5aa

          SHA1

          4c843ac240e3e2bb4a12ed2aba190fc346c6d75c

          SHA256

          885439f6b6d2c3c24f46011fd254590431cb71a9921bcec182aba6a7059c95f2

          SHA512

          76b41e258e37d932ebfd60ab98e4b9ddffa878d5bd444987f323672eb3aad7661755629429c3c42952d569c6ea4251a3448b2fcb5d897698671ba89fdaf6bb11

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

          Filesize

          344B

          MD5

          78d6612190dd10758e6341fcf6518dd0

          SHA1

          a7347f0f0d43e78ae223297b1e69fe818895b5ce

          SHA256

          504ac731398fbd32244061ccb4abc3436a7c8a5376b08ae39c74e3fedaf0ee8d

          SHA512

          8325cd443172495a0d597132ef7b74b682012f9f31af941d657ab39ab0c7ef9e3d65853faef8b1c6e7a982d47edf3429f23d01bda496ad3b2d1c2bafbadee163

        • C:\Users\Admin\AppData\Local\Temp\CabC1AC.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\TarC24C.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • C:\Users\Admin\AppData\Local\Temp\Xinfeng_Jxc10.exe

          Filesize

          11.6MB

          MD5

          ed333b1c6c45420c0861ea6a017453c7

          SHA1

          2c7ba41d85d2e67ddfe6f7634a3dfe38590286f5

          SHA256

          13d24576b154598a6f2755c6ae1fd9c88211e5fbfb93f9755b8a61b7e53323c0

          SHA512

          30596f209c88946161f8157bb9790cc16c1a301fbefe1e4047f39874a0eff1f987c5babbd759543c795d3e42c715722ff4163728f1cfe34edbb4672242b5b173

        • \Users\Admin\AppData\Local\Temp\is-DI066.tmp\703d51b3aeb16c0149b1798e1f6701ec.tmp

          Filesize

          726KB

          MD5

          802d4cf2ece96437fded0e138bafa605

          SHA1

          fc132e4884690782cf2c53929b684895fb0b825b

          SHA256

          2a195b66a7e13aa47daf6d621dde5610d6765007cb5adcfc35b4037e0ea010a0

          SHA512

          c2778cae893c9dadae8d19c2229558b2f56fd57816a8fd92e780ed2e67fc0ae700a65680aee16c7c52906a2d7dd11a9af402a819492602cf2d11f697a0ea90b0

        • memory/1872-28-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/1872-8-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/2236-1-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/2236-30-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB