Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 02:13

General

  • Target

    0b494190cf132736d424fc84476c7417.exe

  • Size

    125KB

  • MD5

    0b494190cf132736d424fc84476c7417

  • SHA1

    5268710700cce5898345e44d3ff4e2b9b2e9a74d

  • SHA256

    7db6f17fe267fae26318abab623095b77b8ce5baa3f3fcc3bbf67b66cf2e1dd0

  • SHA512

    a9b19f31c9e8a6c3bcca4f2b5a6a059639eaafe51bdae8c5085a6ccbfb61a2be7ff38f86e77ffc344a1c98c8d6d13ac90e968064efd7190371127a60018ddf22

  • SSDEEP

    3072:c06y6L6Pkk0O6wwMcayICQJtayzrt1x9Q9gJdSJ9orLa:r6y6LG3cayIDayPt1/QLL

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b494190cf132736d424fc84476c7417.exe
    "C:\Users\Admin\AppData\Local\Temp\0b494190cf132736d424fc84476c7417.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\inf\svchoct.exe
      "C:\Windows\system32\inf\svchoct.exe" C:\Windows\wftadfi16_081019a.dll tan16d
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "c:\mylas3tecj.bat"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2288
        • C:\Windows\system\sgcxcxxaspf081019.exe
          "C:\Windows\system\sgcxcxxaspf081019.exe" i
          4⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Drops file in Windows directory
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2580
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2988
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2988 CREDAT:275457 /prefetch:2
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2812
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Local\Temp\0b494190cf132736d424fc84476c7417.exe"
      2⤵
      • Deletes itself
      PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    914B

    MD5

    e4a68ac854ac5242460afd72481b2a44

    SHA1

    df3c24f9bfd666761b268073fe06d1cc8d4f82a4

    SHA256

    cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

    SHA512

    5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

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

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    252B

    MD5

    9bd43f62f2d92d6c7730954042b4c0e8

    SHA1

    cc58116a1ef727be7aa33a8ca02b175a410390f8

    SHA256

    2aa526b1cd7f1969f40cd0a4cded0d069ce09928f3449ecf5bb6b4f46c187ff4

    SHA512

    1f8267df679de9fed50b7f63be8c6308999d2a4de919654d8bedc3dcfebcaba1c28adb8c8f07c8b5b2aa216c0d6fdb1ceb13d39d7b908963b6ace61ed280369d

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

    Filesize

    344B

    MD5

    ec1220466df7cc9b7653ddf9ae7e4e75

    SHA1

    ec04091f1b8f21581036b1349e24ef4d2c8020f1

    SHA256

    f059e6828d47519cea7cd9d677434440d08e09180663fbec900e905efeb5dbe7

    SHA512

    626e4766824bc967b67bc49fed8ebce247d6c4d40682dcc89d04869883e24bb8139db06bf9e3fb0f3cefa94371b70c7ac1a1d6170b3d81a56c1d925499e48a06

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

    Filesize

    344B

    MD5

    4fee7458c310002433df8b787a79e6c0

    SHA1

    c4f86210ff4583f4a2d238851159452728e8541b

    SHA256

    db89560f07a0737776bd3e7d46e40075ccae319559aee16dc3dfaf502a224957

    SHA512

    eb15651c94d7d08ec84330f8a36a4aca4e544ee9e8be9d8423b8bc6ea09ed5e912bfe0f510cca6f7ce428bc6c68f5190d173818b6337556c95f89736badccac0

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

    Filesize

    344B

    MD5

    707183ee4acae5f44fda4457a0c6a2fb

    SHA1

    dc41715085169fcc83879b93f958c543977bcbaa

    SHA256

    caed0ea81c129c186223fa7dc923b5b58a00255dfe734955cf9c1f13aa877a0f

    SHA512

    a9ff0f99173188d43fc7d2ef0b294d4431f650b595c6879f5df9ae95d79bbf058d32aa83c2e371cd8facb2a21dd0cd33e7e3a517888fdfe2d6378ff8893654e5

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

    Filesize

    344B

    MD5

    c3e5c65aa2b61ca151959ddff2da0cca

    SHA1

    dca62fed4de0d604adaae844b3e472178413ab82

    SHA256

    4ca0fbc8f6f46bc96ffaab0ff81838d12c95efa1591ccb73c71855f4bbf9afc4

    SHA512

    a19b05fb2b58c3f314acc63ed5d21bd0585f5d2585643d041d4993f00c70d6746705bc00139291b06b1ce06baaf5c47f03e9bd2a2c5952ef00dd4224035ae05b

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

    Filesize

    344B

    MD5

    78fe9b8d92eae189679bec01254664a2

    SHA1

    ee376a2eb578931895848f1020011bd79842eddc

    SHA256

    84fdd6e204646fe88e4da6af20df11f74bac3b6e4192ce8c69d969efca3f3c6a

    SHA512

    6699829afc8e77e53defc35956ef079452e5dbc5297a517c62b0b0a00688b026287f15cbd5f393074e7dda08a1e2ca00340db74ad1b915c708d8b619602918cf

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

    Filesize

    344B

    MD5

    c5620dce19fcc408e9daa67ce87be276

    SHA1

    f18dfa75126463b1d846f7e60404852d5be60fcd

    SHA256

    2961cda90cc3cce34c2f3f463e54cb0500fcc403d5236bc138e8d10d903f35fc

    SHA512

    7740540d7a6ba297b6ef356277ff0457f04b951ff708d6cedf86bde93d3e91b697e0d1fc8bf788c9e01615e810b89001070e11c49678e1c79803d03bf4ebfd9b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    3fb91c98dd6c6acb3345a335beaa5a56

    SHA1

    36d0c95bdac089ad22b7f0e26f72c379233a598c

    SHA256

    265c35e5253dd74cf1b9244d3fa41776638aa470078245a3a6ae6b9c37ce9ca4

    SHA512

    e70b322c482897674f75628bfd4a1454f63a714492d8c042f4cfefaf1277dd56ee4c18efbaddd861800663540aaf06c5823c5eeb63fc8e538eca03b809f04e2c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

    Filesize

    4KB

    MD5

    da597791be3b6e732f0bc8b20e38ee62

    SHA1

    1125c45d285c360542027d7554a5c442288974de

    SHA256

    5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

    SHA512

    d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

  • C:\Users\Admin\AppData\Local\Temp\Tar91E9.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Windows\dcbdcatys32_081019a.dll

    Filesize

    241KB

    MD5

    484910d231176debadd2f074eb3038b3

    SHA1

    f0d30b60e0aea8e0d4e554fbc96a89b83abd20c5

    SHA256

    80a996f3d43381b655d88e58657db65469160fa8e9496b2d1542186f42b141fd

    SHA512

    b7624973b95626f25a2a0da8bc836333f05d1ea032eec36eb904e954d43fdb11998e28c7c68c7651a2e27dd5965c9fcb38db08104d674e2bb31b6136a571bcc8

  • C:\Windows\system\sgcxcxxaspf081019.exe

    Filesize

    75KB

    MD5

    02a5ed701905ea703c464b589d35492b

    SHA1

    8cf856256428a7cbfb0d19b044a4e6ee1c19f830

    SHA256

    ede6ed4044cea120c8d61aba5049185c566a06bdd2535e26a5ab4593de4d39db

    SHA512

    e29762f4de7bbb029568cbfc67b1a4004cfb230ef787030c15ea3d5856032bdad3bd12f45923941032f6b3a9779cccdd7b57192929560a50891102e54e466678

  • C:\Windows\tawisys.ini

    Filesize

    493B

    MD5

    1117ecc9bee00b6a9e1f12737b726f31

    SHA1

    1d83bd67ff68060a5aa23058a48a9f8b4061280a

    SHA256

    50ad8cc3377625eb458a49ff11398025226f0f47a4d6be84f93ce38981e45936

    SHA512

    29df7e52b9a5ce2096171db2e0b2a8311bbbe0f9c5365f3ed8ee25c6fa0bf1efef5fc1f6756837792a3cf00a45a55b6deb95093f1ed82b01f254f425078d65a6

  • C:\Windows\tawisys.ini

    Filesize

    133B

    MD5

    ba1e1bf5bd891d4cf6142be75835312c

    SHA1

    716ccff07aaeddea57e38724f047f873df2e7033

    SHA256

    b2be8cd69a234ced55eb046756fc78c4e0ce673f1242928a9023000c956ee2fe

    SHA512

    3119c10707451a34d3fcb6d349b90549251fe7382907673d466b51a73346a8348dab158a46d234e6332b71d130e5fb484f2bca90c6009ef55dd2b48656cf7733

  • C:\Windows\tawisys.ini

    Filesize

    384B

    MD5

    674a9efa274ca69785e54aa754791c0c

    SHA1

    633af45a8e7c46d0ae7bfc57ac416bf29abc5f9a

    SHA256

    c62161a56762b0409f3bfa97ed76cac0a07a026470a012439334490b6aecebea

    SHA512

    eaf54f439cc4e8ef4d842d1a47ee9a6338bcac7c2597be4dad8b8b96bbc635169721c89e0a915528024b46eee325b4f11cd75f61b539f0a01c1cfba9c0c7110b

  • C:\Windows\tawisys.ini

    Filesize

    433B

    MD5

    28bec23c126240d96e1fc0375bf640e0

    SHA1

    610b0292795296d7d2d53d0248664b8bfd2f460b

    SHA256

    4b949f6d4b71f9d8b31ed3d1496f753fef84b9ea06547e1a9961ce5175e3a6e5

    SHA512

    f0730a05d34e071644dfc3b12e2aa44fe3ed6867eded4a02993a47b153c903e86808248d56e3e4f0025a32b40a28cd10704f526787cc6202e5d1c83ccf7f1dc6

  • C:\Windows\tawisys.ini

    Filesize

    466B

    MD5

    8aec92b510cd54744ba9109ed08b91ba

    SHA1

    38e007a4eeed2f3199c859506d612f88866f1dca

    SHA256

    9f18a8f5b550de489455e01bda140e4b30544941c921b736d731f26003f17c52

    SHA512

    b9fd69898aae834341327476d8f31a046a26bce19ef69d843ac1218e130eee1e2927f8e00bdbeb1a2dc02ee8b2a7f17bbbe70a447d36a2120407c03441efd125

  • C:\Windows\wftadfi16_081019a.dll

    Filesize

    35KB

    MD5

    e900023a51d91de18b18890175b6e0cd

    SHA1

    f4ad4e3631bf3d092698781b916879ead5d571f6

    SHA256

    d44d2ac22e0fbff1ad489309ac2ee8afb2db6d48b917a05d7fc48d6f564e6ba9

    SHA512

    97159bac57e25a6f52e07e00990cca880b78429f374068a9d5f6c37c52dd5d19d547afd9e199a9603f68a9bafd50c9f5cd5157f923bf1a7d1ea5f55b97cc7cbd

  • \??\c:\mylas3tecj.bat

    Filesize

    53B

    MD5

    db297befd021392ebbf15c6640278108

    SHA1

    1a30c4576518f4d79cbaafc67883a236f5475359

    SHA256

    26f365ec686b0ad3a353c97066c8b3d7af7b766c67fa356ed01e98928e530297

    SHA512

    1fcb06b7cf6d79558cbd763d9bc29f09379ef72d14d51b5104380939dae6d7869372321a060feeeb195e4f345ca8a45f571dc3756f80c3cb1b1c26ed0c731f07

  • \Windows\SysWOW64\inf\svchoct.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • \Windows\system\sgcxcxxaspf081019.exe

    Filesize

    125KB

    MD5

    0b494190cf132736d424fc84476c7417

    SHA1

    5268710700cce5898345e44d3ff4e2b9b2e9a74d

    SHA256

    7db6f17fe267fae26318abab623095b77b8ce5baa3f3fcc3bbf67b66cf2e1dd0

    SHA512

    a9b19f31c9e8a6c3bcca4f2b5a6a059639eaafe51bdae8c5085a6ccbfb61a2be7ff38f86e77ffc344a1c98c8d6d13ac90e968064efd7190371127a60018ddf22

  • memory/2720-49-0x00000000001A0000-0x00000000001AF000-memory.dmp

    Filesize

    60KB