Analysis

  • max time kernel
    142s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2024, 12:19

General

  • Target

    7fd23c88a847d59cf8864d4c45f8fa3f.exe

  • Size

    1.8MB

  • MD5

    7fd23c88a847d59cf8864d4c45f8fa3f

  • SHA1

    e5782fd6dacb8f7551e47d211b2851da6c7ea032

  • SHA256

    7de057d07698136a3f2ac90527410153435cea0f8895e8bec7eb4e2b30c7ef5b

  • SHA512

    3801711351119031a90c76ad5394754019e60bb152865a27255a7d66b5f4e03995ec1d5d9e2d642211ae6b661aa25961e5e436d3125c0efd01e0d9feac950186

  • SSDEEP

    49152:t0hC9xfZLO54i7v3/JhXIK/Vpwm+l9iUTaAZHRWW9MqZnp:tn9xxLOKi73hhXVtpUi+H79MqZnp

Score
7/10

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fd23c88a847d59cf8864d4c45f8fa3f.exe
    "C:\Users\Admin\AppData\Local\Temp\7fd23c88a847d59cf8864d4c45f8fa3f.exe"
    1⤵
    • Checks BIOS information in registry
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Program Files (x86)\internet explorer\iexplore.exe
      "C:\Program Files (x86)\internet explorer\iexplore.exe" http://
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1908
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1908 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2536

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          344B

          MD5

          d258a4d7dc489c471b313c2171849515

          SHA1

          1255f857574ba9339d530169b80f2a28475353ce

          SHA256

          56fa7f9c71a503c3b56c9cdfab2f3fc8bbfe188976f6d15e714c9d309395d644

          SHA512

          ed4bf19544c3ffd5300b26dbf9e62996c02b41fb2fec2cf61e641e1151831e754d12428f451563782f65722df2b6c2ea25bee6617cd367480145cc4e595c7f0d

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

          Filesize

          344B

          MD5

          6dcb1a012094cee51084ba71f19d3704

          SHA1

          d0a55e1290a0bbdb9bd821354830e4703d554083

          SHA256

          9dd9ab7abb4ec7952e9db261e5c135eca5bbc982fd7a3f7bf37d0aa224b13ad0

          SHA512

          88dd63ec7e63d775fa8e3a09e564f150ac9d50c07cde792a497daa8a38405666aa25e8463af2c9501f5651448bf1d8d9dcd0ea547beb2babb24b7a73eef0fcfc

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

          Filesize

          344B

          MD5

          cb226bb6ff2d38afa4519555225fdc4f

          SHA1

          e87df78a1012cb20611a4306b54952916d8b1f71

          SHA256

          bb851dabb379ce761840c8e42195b5ba4074374ad2302ea0df41b6b51fc3d972

          SHA512

          e12e25f809d765afd6f8b2934aad253b31c2f5b1add0a05ae72a44a64fc552f1c650b463437f652405ad02a5ab8b17bda4376e3ffd0d1ad5ad2543c363893300

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

          Filesize

          344B

          MD5

          bda6f0b69c54a7a8fbc195e416809540

          SHA1

          3610c3785fa892b1fc9188c3ce6e741ce69f9a63

          SHA256

          6e163331f09b9a17a3ce8213eb551646aae3a041756bcc6ae10ffffb8ece38da

          SHA512

          94933de79e6f359f49e1c08721751da4c7fb5c152de60c8c525e2ebffdb29f4dd74ac4527551966dcd2af1da52f265dd6e197f5d13db5ecdfaeb1b79d4572760

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

          Filesize

          344B

          MD5

          879c252b28a5c50592c5b0295a38036b

          SHA1

          5467876eb11c69803f4dc789b384bf26b5cb05e8

          SHA256

          dc7998ac8339ffbc6dd885012b3934f6c514f14683410fb6c2732703f9ca27d7

          SHA512

          9b7fc62d46e164f66374b0fb7350f54a0d61e681444ade75760dabd27a168aff11b7a7d386c920b93b557504bbff54a696bad7c1d3f114baa1b90981771d1b20

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

          Filesize

          344B

          MD5

          2b53288c7ba9e27b1d1bf06a166bcb13

          SHA1

          8cabcd4f7b0dd33eabaf89ef5687bdddf32c8092

          SHA256

          aa072795e67fb32438821bd235f8833fca9eda805218b4800f1e77c11d4f93f0

          SHA512

          8450dc1e71175a7423d54f138bd2136db22c30b8d6619a77acf02756b5fb14b7b830185e7f241027a57a210f4bd3a5602e95af1d29177828b952242225f67e42

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

          Filesize

          344B

          MD5

          4640510d39f475814961e18805c9d8c5

          SHA1

          e4125ba88647b31733ba2e1349615a4c94332938

          SHA256

          ac4fa75eec6145580470423653320711d6907e07ec079d16c53600362986b64e

          SHA512

          b6fe7cee0f5eb63e5863a9f12b5a6ba1a3142863548731689d6ef1c987a90d9c3f050645aba093da6cfaf4b67bad530adce0da37f48e85483b2c1a47dc551558

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

          Filesize

          344B

          MD5

          1893c5c837247fc33b99e3df925a0258

          SHA1

          092801993b02fb5f0f1772e7c6bda2d96c848d19

          SHA256

          d20a4b76b864429187028fbd14f8a3503820ab8a9078d50cd5a9feff87e36c31

          SHA512

          f46c1e72fa555b6788fba3232130afc2c821cc2019643be22b4b325d5d5a07e37c289708415b246efdfe868e7cafb586c5a079b35048f6dba1a6c9ec0ddb5a51

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

          Filesize

          344B

          MD5

          f5642240cbf9050cb53788988eba6293

          SHA1

          7f98d3c965215a8a18a09b28b0158d9413d2d912

          SHA256

          d74a6c20b05917a6a5ea1e2fd0a8cb88fd551fc3046bbf1aab89526f26aef040

          SHA512

          5e4d8ec38856aefd242159850e5c976fa3219feb06a1c989dabdbbac4b5016d5e6dc41f875283ba05db7eb7933915edd699618acbdeb6ba2b2f5d3247e067b54

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

          Filesize

          344B

          MD5

          0fc0a3e658d138dd89031652c790d89f

          SHA1

          1deeb7a1c25a180195343ddcc84fdbd057806c65

          SHA256

          3f2f46959bfdba9b727068e24425fdce82500e93f5420d1f5c0596e18f4f01ee

          SHA512

          155a296eeb2315d6601f1ef514b0932ea9e3e54db54accb3dbc676b8da7cb910adcf10e4cea8753fa4f901f7a29fa61f3dc1389500b6c447a0898a8ae37d52b0

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

          Filesize

          344B

          MD5

          884151647d905ebd9d2b93842e4816ef

          SHA1

          374851f504249f14fac7ecfee88386090d2db7d9

          SHA256

          95aae27549c7ac2844b3aa09b016fa541f9f4c284ee898d5e2d7efb342969751

          SHA512

          c48a20f926f401c2c69cf5d61fa4e28ad4f9425ac869eeaef97af6aca834d72e80c6808320333960f00654ca6b93f781c7beb83ebcef34d73191c8f8788e4bef

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

          Filesize

          344B

          MD5

          a9c13f5c1cd45320ac2c0d9f3175ad28

          SHA1

          cba4c05d17b4814201b922b040d8713860aa4c0f

          SHA256

          d918e1ca3555530d434a1d263ca165538216d691bed672ad2736a01516250c33

          SHA512

          a42de56dde5eb41916ad3b72efb18d604ff3e851b16f56ca259fa2993cc5bd5d76f10b0fc01c4e20e94ba40c7dacf7708721ce6ab5b785a0d8326256427adeec

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

          Filesize

          344B

          MD5

          21cce9f4b7bee798b0a56f812420745c

          SHA1

          3d5243d2c9f1558fbb1faa5115ad96522532d819

          SHA256

          e2471992f925fdf0172517e9a126a75ab2f2d2af8cbfaecdfe21a790325b2aa6

          SHA512

          5099c11e7fa24e74d831ffe1b30f6857f5f923f67e3b7387e23eb5ff95aee254a898c405ddd8fe5dd4da23f2656b8cfb5f6cfbc45f61ece66c617899012bd21a

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

          Filesize

          344B

          MD5

          914b1f11434a0e911c4584564fa49992

          SHA1

          cc6748c13e76c39435f3bb89cd31cdf020c8f03e

          SHA256

          f521e2397eff4958ddc04facfd5c7b4207881340f8a74bd2cf308aaed0820c76

          SHA512

          a9090c6c52ac3f0d4e8778b79885a87c1ab95f5d05f08ccd73ff957281f23ea1ba012abeb0f0a4648b986a2008ab88c61b7d25dc7434bae284a00b66fb0ceeae

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

          Filesize

          344B

          MD5

          ddb1f752ff39b631cccfed4c27193b8d

          SHA1

          d84f0be87707199e84ee265c2846b875cddebeec

          SHA256

          cd4704d6d5275ff0f2ff15d76e4fc0fbc9b6fa7f94f83d352c6ac1b6375bc9c1

          SHA512

          6f33dbbf23d117b21fbe05eb53e4d37c1a4468437f4c14ffda23ba1af160dcc1cdafcbb3d708fa38219d8bf4dfc91fdf9897103b03e0a46b16f9ee6cf05bb7a6

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

          Filesize

          344B

          MD5

          1f1ca234e7a7e9e476f330caa663e6e8

          SHA1

          248b69294397d54037fe584efe9c446ef20e9bc2

          SHA256

          8b125183cc6f7a8ac4d86e93d6ce0d91e384c74acd04d332bf30f9982d1351da

          SHA512

          88813a9e648a6eeb9518677852ac3d180dc69ab837d2e89f1d06485aa1ed7c5844f808d7427152d4e356454b17a5671f318cc6172e52aefd38f11dd913573f48

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

          Filesize

          344B

          MD5

          40ab9b8bef369ff568e137f7bead3811

          SHA1

          709d44022bfe0b409a1465c9b2833fbcd3abd391

          SHA256

          cc2ff1bbfa74b8d72567bcf28e4afa11bf10a94498bd1ab5a97a7583551f2d7a

          SHA512

          babc642aa5b29200f46b544a56c2991972ccea4f31231763e82efd0afdf7d7e8cf839bb4e1f96a2de64c55693eb2edda1bf97cc86b0db1ab45fdcb9afb9376b8

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

          Filesize

          344B

          MD5

          0fe15944fe5c1b336753e8522b26652c

          SHA1

          d4284158c89bc86d06c3475e78c46b913a14ad67

          SHA256

          a16c6996a820381486d4e907ea725bb9cff2b0ff22160e1dbbd004502aca33eb

          SHA512

          c2fc8ce3135ef96ed9204e6c43bbf5f96f92bb9f142d0dd1b32171b82b40ce22334e6f0223a5b130113ad4ee16a87578f22eb1163b5d2e6d7ac91008253b156d

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

          Filesize

          344B

          MD5

          746f6164d0db73f1ae7b24c78b62be9e

          SHA1

          d6a7eb30bbaefafef7b4056f2b2a28cad1834dcc

          SHA256

          821d9fadbd1a3a7e3b13d17852f558d29b8634f12c10135ced659a0f70624fab

          SHA512

          56fdda6ca32aa2cbc192b34b034092e32f989328a6a5be6cfaf779023f5da8ea9f5e4ad030ba49363d83436c459d6fec477d5ac6a584506e0cba0209ea3052f7

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

          Filesize

          344B

          MD5

          abffafd5f23c36df54554ba124380a93

          SHA1

          6a21e36ec5b15330dfd23f06e0b4a9741ff60ce1

          SHA256

          7320e8e19ae4e85f5a4c518755f335b3ee1f9c54490ccd3baeaddc523fa34b1c

          SHA512

          d3c93aa02fe36280106b9a55f79a3a6a14a0a7071f9df0945fb4c53fc1cd8287d8703fb7579ae6f4c9bae062eb11cd2368c9cc9f706f8482d89aa59fec600687

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

          Filesize

          344B

          MD5

          8b4f65e45da2afeb9325656063c48d5d

          SHA1

          9c1c474c4a4f5d28a415fdae74bf80fd6fb2dc2e

          SHA256

          29bc951495ddfcc98f3ce4b60f2936536499163279974a239fcf199a81abb75f

          SHA512

          d5b78ead5f5138abd99cde4b5987511e838bd5852c49591e51441e9e9fd6edbac69693ff03bdfdf1c962956f910cec4a38a4cf148efdb5dbfb02860329e9fc49

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

          Filesize

          344B

          MD5

          48534b99cfe5d2778c460b85bb270c94

          SHA1

          25794aee6e8c0c75fe7652fade2ad2350607b641

          SHA256

          e527e3f143a75b7e803e9fd447f826e747d3fe4e3f9b215a28398650053aaf4d

          SHA512

          c311d42e460a1bc732177737065ed06bf51f854ee4d7936102b920a25a01cdbe9366ce5002246aa93175113f12464dd111abfecf52b194daf729ecc8d7206143

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

          Filesize

          344B

          MD5

          8c55a21deff91302b31079214dbd512b

          SHA1

          5a16b000e94fabc0df47ba716ae64d203390cbe2

          SHA256

          e07ffd5905c8ddd322ca62695817f534b680f334fd7ca0c99f01a7c8619866c5

          SHA512

          08dcb7ab8007881a9825986fded0123f4712d959e6eeba330a79884c0cfce79f3ffacd65d24e7f9498ce3470321dc584359be8a87d7a43a010378a61cf68c248

        • C:\Users\Admin\AppData\Local\Temp\Cab7C92.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar7D03.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • memory/3044-18-0x0000000005B80000-0x0000000005B81000-memory.dmp

          Filesize

          4KB

        • memory/3044-6-0x0000000000400000-0x0000000000BBF000-memory.dmp

          Filesize

          7.7MB

        • memory/3044-14-0x00000000055E0000-0x00000000055E1000-memory.dmp

          Filesize

          4KB

        • memory/3044-15-0x0000000002C30000-0x0000000002C31000-memory.dmp

          Filesize

          4KB

        • memory/3044-25-0x0000000000400000-0x0000000000BBF000-memory.dmp

          Filesize

          7.7MB

        • memory/3044-19-0x0000000005B30000-0x0000000005B33000-memory.dmp

          Filesize

          12KB

        • memory/3044-20-0x0000000005BA0000-0x0000000005BA1000-memory.dmp

          Filesize

          4KB

        • memory/3044-17-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

          Filesize

          4KB

        • memory/3044-7-0x00000000055F0000-0x00000000055F1000-memory.dmp

          Filesize

          4KB

        • memory/3044-13-0x0000000005610000-0x0000000005611000-memory.dmp

          Filesize

          4KB

        • memory/3044-3-0x00000000028F0000-0x00000000029D6000-memory.dmp

          Filesize

          920KB

        • memory/3044-2-0x0000000000C10000-0x0000000000C11000-memory.dmp

          Filesize

          4KB

        • memory/3044-1-0x0000000002760000-0x0000000002870000-memory.dmp

          Filesize

          1.1MB

        • memory/3044-12-0x0000000005B90000-0x0000000005B91000-memory.dmp

          Filesize

          4KB

        • memory/3044-11-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

          Filesize

          4KB

        • memory/3044-22-0x00000000055C0000-0x00000000055C1000-memory.dmp

          Filesize

          4KB

        • memory/3044-24-0x0000000002760000-0x0000000002870000-memory.dmp

          Filesize

          1.1MB

        • memory/3044-0-0x0000000000400000-0x0000000000BBF000-memory.dmp

          Filesize

          7.7MB