Analysis

  • max time kernel
    134s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 01:31

General

  • Target

    2023-08-26_3eca011d61067d899c814d0aba1cf97c_mafia_virut_JC.exe

  • Size

    1.3MB

  • MD5

    3eca011d61067d899c814d0aba1cf97c

  • SHA1

    3c735f1bc83e5d63306db101439bf04f3a27a1c6

  • SHA256

    5dba6027ff58b8eabf3bbe753663441313682b397a49955e576ff6536d993bfd

  • SHA512

    590a6b51d4f355c4956c55efa6be97af6b54655e2a688444da8f9e61d73a1073f3168b30aa051c280fa3b1e72d1dea9ce4a21c0bcdf145a95ec3e3bc41a08c99

  • SSDEEP

    12288:iuKogsSPBlzb2WOBk/BaCXwzeKt2CwDseTIhIo:8maBlzb2WOOYCXwqRCQ3TIOo

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-08-26_3eca011d61067d899c814d0aba1cf97c_mafia_virut_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-26_3eca011d61067d899c814d0aba1cf97c_mafia_virut_JC.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\2023-08-26_3eca011d61067d899c814d0aba1cf97c_mafia_virut_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\2023-08-26_3eca011d61067d899c814d0aba1cf97c_mafia_virut_JC.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 212
        3⤵
        • Program crash
        • Suspicious behavior: GetForegroundWindowSpam
        PID:1544
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://vguarder.91i.net/user.htm
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2760 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2632

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

          cf5939c40e09163bdeece6870c6ff294

          SHA1

          e9abddb9985de202ef520ea2a40987c7415efaf6

          SHA256

          85223d965243f94d0bb6a68341a0f37aa32aeaaa32aee09f1d5fcb1706cc59b8

          SHA512

          f856bec11ccbb70fe815d14d4696d3581be0042ffdca2ed4886271130dba75a98ca7a9121645d14dd32535fca851d846ece57791ddcc40a56e7c57711f3fd7b3

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

          Filesize

          344B

          MD5

          c740d7f530ed3a9dab62307273252533

          SHA1

          3d87edca7e651a857cb605f5955fc5682b89ebc9

          SHA256

          7539ef868d9eb56f401a39cc7529dcfaa35c9275f4112464be4e92923737811a

          SHA512

          d77f8abaab22da99022b192aaea526f52d923877cddef2689e5ff4a7b73ede5c2846124cebab32a9fa5980e48fc460a4ce8be962314f7b28a9c2aaea6a48ed7c

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

          Filesize

          344B

          MD5

          7ce15b12c7e627bf2f3e938864578523

          SHA1

          52c800ce3476458ceb598c3adf90c93ce10d142d

          SHA256

          31d61ccca0d96406c04c0210d127b2582eb4ff713ce740a51d19acffb7c18928

          SHA512

          9897df6dc9723bbd73bf4c3c44022453eb20db7b1b1e2b5039d6a9efdc96132cc164ef7f53f7bdde0fc882d290257a2fbed8bd433259791e7f05a535d27cd7c8

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

          Filesize

          344B

          MD5

          6811011fe3e5a8e9f5495ec6194b752a

          SHA1

          996a42bab9d799a1f1fbeb69e49c71622c19a7f9

          SHA256

          938b27655515df28930b2f4558fb8edf67d95da9282b65f6a1155124289477bf

          SHA512

          56f9b522ab004f3b6c50912f50dbfb2927715e2b857cb1b0912ff4367121a1acf451f14477e552a4631ec46abce631ebad3a471476191da339909a0b0b589059

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

          Filesize

          344B

          MD5

          2fd364950ad257536b4c62db9331b62c

          SHA1

          f3815f0f3d5c861fd2ed9d6b6864d0d0624d82d2

          SHA256

          66589a5f0ec5dda736ec75315c9aa57828a5d41079d05fbaa41ffd3282e0c3b3

          SHA512

          80ebe7e285acc8f3e053bdd0fdad145a007c18e140b932d32b99a7735f8e65b0877937a818dbba9f50688941818a349572622e8f9a5bdabea2865557651e3752

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

          Filesize

          344B

          MD5

          1830382fd899c984ce43b4fedd0a67f1

          SHA1

          0f1659325a29a74451271ac93e19aeed3403640c

          SHA256

          56d56cbb1ef1f96c9078004ffb852024d264b437da1b5ce97799be9cf6ef0950

          SHA512

          72578520bda4e9e848b512a2f240603351dd44d6236db3a2bd733bb650a3350c4ff389cd1364bf4d6ac824e9ec685483928aaa38107d310db113fdfdd9855ef2

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

          Filesize

          344B

          MD5

          b651e95755d23cf7ff3525d4469ffd85

          SHA1

          499e9acede7d9eede4c11ae096fa0635e955cacc

          SHA256

          d93ec5e3f570dd34ae19b17b602a82161bca53d042028eda7eb33a4281ac4722

          SHA512

          abd206c1bca5c451316c7abb3cf6457a5697d7f46f159734f06144431d4e14afa72a41f34804eead95fedbbdadb10a6476466074067e2b6b655dd9c8c3ef2c1d

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

          Filesize

          344B

          MD5

          cbc4840135878abba72d1658f31dbfaa

          SHA1

          6b39e9108ee68f5bc272ff5f2a371302fef6577a

          SHA256

          0a41f4230539554b3a388f4c8eb3d993cef9a70f97b02e371c87557a12fea783

          SHA512

          9983f0af84ede6e5bbc2a83e47793b0fd3941784e7de44f6bc2bc7eb9e444543758569457a00904e33dd7ef8544c93f5b56b0207c15f9b4bae87c68fa7db9d2f

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

          Filesize

          344B

          MD5

          ee9ed56292c2e58a2c5187b8cf3d32c9

          SHA1

          093c4e4dcc33fc7c216dedb150010fb00779b423

          SHA256

          b66ca4bb06a64d24f2706ef76b292227ccf5d6c01a864b9a1ae502b85a931a62

          SHA512

          0bedf15118441a489f0554b24efa1f421d7b30bb47de1b52eefc448a7b60e444ad35752f094f8b1d2d802e3bedccdf42bef7d76f3c2c0021070bbb5074c5f67e

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

          Filesize

          344B

          MD5

          b2b40b09b34eff6f191ed6c74eb806dc

          SHA1

          0c60f65d3be0ad665266e0e678cd60c089494371

          SHA256

          ee2c7cd3ac4991cd012929c00a10324005afcdf79bdb94a0429949cbe0f2e2ff

          SHA512

          18e94f7ddc0d513c7af1e92da624572c7a23d0ab5ad508bb65216f7f29d0a6c009562d4c03b1e8f5ae5037e63fc8374ab79a1b15f0245032dbfee0db7132300d

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

          Filesize

          344B

          MD5

          b6b1090d06f41010c4d5b52e8f40ab9b

          SHA1

          6380cddcc06d880226b7865b7022802503791d18

          SHA256

          c098c04ae9926996f5bf612e37cc318a35abf071df27ccd3fcbc82e50138e582

          SHA512

          12114fd61642d118bf9e0e6eedb5203297e523813ff3d9ab277fc2250b23decf91ec16aa0d792636ac791717b7bc933bd10f3f10c2c880ff6f8169726cca452b

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

          Filesize

          344B

          MD5

          b004bbbbb5cacdd71a9e4f7d737c9011

          SHA1

          e1ffb12b9c1d9751dc701589eec88b848f11dee5

          SHA256

          36855990695ae280af0ea3e80996ab29ca29c6aec003e2a632e51229ed27d8d4

          SHA512

          9593e12a8790547f9d4e06107203699fe319ad0c812dac6693c3d17842f347eb24e8f9d111720bcf921e56449da5768051e2818a0c2cb1dd6ccedc34b4d6dae2

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

          Filesize

          344B

          MD5

          8a5813e50cd9db9ebf111c3d98d67043

          SHA1

          3166a08c021fd8b5d6c20ea441625af7888f0c82

          SHA256

          fc39b0b8c8e229bcac62eb0c41d859da7ec3d8679aadaf68c4a79f0fb71abfab

          SHA512

          916a3003e59b4cba58c373eb7e7bb65053082f2fb16df471a0bcde23cab1bbd65e4a3032ff2e386935a85f52475912cd4a8a9a8679fdc971ed1ed588d3153120

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

          Filesize

          344B

          MD5

          0e8b4745be6d8e99cf034d5c8cfeade9

          SHA1

          edc680b8b9e44c8cb8e1a0c7efbc5f7cbb41859e

          SHA256

          cb2ad7821c6f64dfe45b4eb0a66d1ed5cfb22b564b2e40a1f30443daccf327bd

          SHA512

          811556fbf867300bc2e3eec59be37df5ed7bf517af0f945e14dd4bb729e2d65f3babb7d29519f33a3ac6c526d545c9ab729c13a30ce80976c1175978866e02f7

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

          Filesize

          344B

          MD5

          883aa1839b42a1852c906ba95edb80f6

          SHA1

          2e61d9a9e3521dbaea2741f1274b8b257591a67d

          SHA256

          765e0f2cf658fe451d3235dce86fe21dd3089508ffe570a0c6d030052fff3b0e

          SHA512

          b6a88ebc548777a2b157a025397fec784774c3d79b28685c009b9f9aaf3b31dd990b505fbc001d09569e91a6f71f1dcbf17eccc55c25c8c439c47cb4ab49e3fd

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

          Filesize

          344B

          MD5

          837972e3e921cd87fe397e1fab07a881

          SHA1

          bc029742c3a98c8cc6b60589d10ba4514601baf8

          SHA256

          473ece58a2756516666e575e498a7b9da597e8468bf3c1b96b3312cac594b566

          SHA512

          a4df6c59690f853f76887f6eb6bc1348fe2f0e9e0f7ef4e56d59c8af5c33b419316ae632fe5c07abf8bf6ee602cbb5536aaf7ba5c701613ab4793e3967318406

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

          Filesize

          344B

          MD5

          f9489268973cc6be601671a901294ec1

          SHA1

          082fda0f805f5dd48c0ef034ad7e14a7ec64ee66

          SHA256

          0e970c69dcbc64227987491891f226cd318c69f16224a4ca597de75d68ee4a23

          SHA512

          7387982dd9fc24450d037658ba8e44a32da12b3c0a48790010a8473509075c9667b885f5f53187ad6271f58f141abdb3e7a458ae72857a2cfc9322739a0c241b

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

          Filesize

          344B

          MD5

          7f345c56c7b8067eaef4fa9b04f336e0

          SHA1

          cd78df75bf3b4c3fb9f116dd37115b992326bfc5

          SHA256

          c4fb6e9ddc346506954e7270f24f782b39e5cae71e834f2be5dcbcba8fb43e48

          SHA512

          a28e4bfa6bc4847d1cdb1805172a1b317b6ebe2af4409d3a8404ced8b058a3eaef03b178bfc4a1292dedd66c5cfd18c8ae66d6dd5ecedca1fd469df173c4127d

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

          Filesize

          344B

          MD5

          904afeea2b49483c1827c5c1e059b99f

          SHA1

          1f363eee5dbf4372a9fceb75d9db00bdccabc8ce

          SHA256

          4ea5dfa2579d6d8a0bd5198137b9971842f113ac17d4ce9881e923209d8f49f1

          SHA512

          1089762a54a87197efcd8e4ae9dd8e7f875538e33650c392d62865c7657289e3cd7c43b0e9f5b3ecec1d291f4bf97433426264639320f087bca05c2d96114f7b

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

          Filesize

          344B

          MD5

          ebf26d705497c5113c9ef62203401d6d

          SHA1

          91cb8e7233f0f3e00d30fa8e29cc2910dad81a26

          SHA256

          4b62d377a8d315f5813ee2b396804401d8a7bb6981a5c60bbf140e77cb4b6876

          SHA512

          84fb0095d1ab20cbe77b57c31bc7585296088049240d9a92bef15a5ab281484c2cf24ea00fd854f5281f0082792d3cc3d5452608a37882327aa5b2fcf998b060

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

          Filesize

          344B

          MD5

          e1dcddc56ef4910a4147c72f7dce1d54

          SHA1

          ff9afe680f10727a1de5d3dc06d5de04e569466d

          SHA256

          6dcff527ae7ed121bd9879893e07dbf1a7582a7f3219f3b516b4c786d9a3e432

          SHA512

          0ed48f44b81da450c039d4a89da63d21981b7cfdfabbdc6b8ba7aefacb35403f3d7fd518073b9221c5a5796883bb58ebd1262e60d7e18c9f723cde071fde79e4

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

          Filesize

          344B

          MD5

          0361f698aaee8f36e57119defd02ea7e

          SHA1

          c76fcd60b7782a93d19b9bde3707f4467af1a91a

          SHA256

          2789e0c8dfd9fff326c0e8a0c4de9acdd305938612c0af14231491d53d1ba5ed

          SHA512

          8a0d86259bcce4f7e582a2cb73d06ba8d81233c99f5bd17765f5cd7eade6a15700bcf5b934c577c7b6895413d069e265cdc6e4392cc28f6b2e4276bd9f27c5d0

        • C:\Users\Admin\AppData\Local\Temp\CabF818.tmp

          Filesize

          61KB

          MD5

          f3441b8572aae8801c04f3060b550443

          SHA1

          4ef0a35436125d6821831ef36c28ffaf196cda15

          SHA256

          6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

          SHA512

          5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

        • C:\Users\Admin\AppData\Local\Temp\TarF943.tmp

          Filesize

          163KB

          MD5

          9441737383d21192400eca82fda910ec

          SHA1

          725e0d606a4fc9ba44aa8ffde65bed15e65367e4

          SHA256

          bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

          SHA512

          7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

        • memory/1544-6-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/1544-5-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/1544-4-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/2576-0-0x0000000000BF0000-0x0000000000D361E0-memory.dmp

          Filesize

          1.3MB

        • memory/2576-1-0x0000000000970000-0x0000000000AB7000-memory.dmp

          Filesize

          1.3MB

        • memory/2576-440-0x0000000000970000-0x0000000000AB7000-memory.dmp

          Filesize

          1.3MB

        • memory/2576-439-0x0000000000BF0000-0x0000000000D361E0-memory.dmp

          Filesize

          1.3MB

        • memory/3064-2-0x0000000000BF0000-0x0000000000D361E0-memory.dmp

          Filesize

          1.3MB