Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 17:23

General

  • Target

    3456fc86303da9d8215d17c235b3164671af6d83134e76590614f4a0fe28a619N.dll

  • Size

    272KB

  • MD5

    092c387373483b6172da8c8865500ee0

  • SHA1

    3d3851ea77a0ff47c75b73f818cc47cbd188b944

  • SHA256

    3456fc86303da9d8215d17c235b3164671af6d83134e76590614f4a0fe28a619

  • SHA512

    41ff94b4f169b7af876da707fe9cfe54639726f9c6d4abb3b645bca87ac159507ecb36894ee1ff04d6b3b85cfff6cd032c844daf58f3b3039616bd90ae72b8d7

  • SSDEEP

    3072:J+guZYQc+AosNFAAVsiNp1qu5hGO93hiJCQuZKAoE3zVISu0+HI7HDi+pKDFcBO:E9gN1VrNXqu5Hi0VG0+2DirFyO

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3456fc86303da9d8215d17c235b3164671af6d83134e76590614f4a0fe28a619N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3456fc86303da9d8215d17c235b3164671af6d83134e76590614f4a0fe28a619N.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2324
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2320
          • 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:2432
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2432 CREDAT:275457 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    2a0c245c7018aa002c3b961041915024

    SHA1

    5aac35be115bda713cbf16a38037ffa582bea16c

    SHA256

    1177158e2b8fdfa487e5c5184239881ae61b32da90e885820eec7ef999127305

    SHA512

    91d1126e8320108cb0e91bd2dd960925ab7cc34c886a6c3ffedf1ba7ec8006d992410c216cf70ac569c6bb76817c45fb446a34534833d6a7748ee2a1e3167906

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

    Filesize

    342B

    MD5

    61af30ac4905cc8f8c48f813ef257c45

    SHA1

    8bdc83053492b5a4b3accda008ac48fcdc9f19e5

    SHA256

    c44eead1b961fc7c9edcdc89955cc58c9411510b029610d59d7f59b101376912

    SHA512

    277eca0cc6c0e660034c450ef2f81f06babcf1a86443d23bfef41fcac88c0461ec6a4a2d22e7fd58dc73b28134351f045d3ea3c7cb307110c17fd59257e01217

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

    Filesize

    342B

    MD5

    7d949b58895bb7db207e06e9cdc4106c

    SHA1

    2995ad2228286cd552681292556ba699341eab49

    SHA256

    b1c9e6314bd6c45a40cf89c497b2c5ebb0dea87eced06d27614d5f8febc16c7d

    SHA512

    8bbe477707a277a5165dc5d958ec1f327c56066181d70a1befd3472985ca8aebeae5be5f60646d46daa166fa39842fd6f14d627e600b765fa03e33d88a461512

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

    Filesize

    342B

    MD5

    70ba2c23cd85f4e57d52aadb68c6fd84

    SHA1

    5c918a5cf7ec3900de0226ca9d82966c7550d1c6

    SHA256

    1d02a16421a8fdb7310bf00270760a8696406efd8c4755347aa2503616b05618

    SHA512

    66c929c7de28c8f12a0a84716a6a7bf0df48e1c3de46cb132a939ee86b0b331694dfbb0cdcfc2856bd92b43fc637c0b09ebf66ca940ff8c429a743d0b85a4520

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

    Filesize

    342B

    MD5

    94fb751ae8628906a0a3a9c141bfcac4

    SHA1

    63be118b322d0a5d7472c88307c933505be4504e

    SHA256

    5cd3ea84d81975d5aa9d701ccf29ba9b8c880c284a8ece2d94907a5e1f6e422a

    SHA512

    f03c6502451a9fb19c48a5ebce933e1fa558a4ed1e0fa4a77feb8222d22504b1dac0e808cd062ea643fa886b8d80bb2f81b5e6ad20c5c1139f7a25de1ade6bf8

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

    Filesize

    342B

    MD5

    d32677ce58efbb14ee67867c9b751418

    SHA1

    8dfccaed287378c7d97080ffdba0db3f079e8ac6

    SHA256

    ccdf9318fbedf2b554df894f4c2bee43ef14432621f365c7da64ccf5e5b3763f

    SHA512

    77f9f7e100967692c5077566631f9fbcbf0dc257c3fceb8769efb8308242319588fe3ef29167713dfaf5a0d9e587b0a7996869e9868c8a5bca6857a83831e6aa

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

    Filesize

    342B

    MD5

    a5b846b1835b30534e4e15a9ad402ba3

    SHA1

    41d7f808f599132b567a0abe0b4bec61cc87c8b5

    SHA256

    f100182ae104f441093506ef4ec10b1e995e6a64c22f4b8a8b2b60c9d3fee67c

    SHA512

    c4ce8e87c6d53310658743944cb67fdcb49b20dd2ae43593f75184a6417a5f2a74aec30f350a46d0fc35c9e1eb0309c0c5d3763cd109cfbd8f1e98186fb61b94

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

    Filesize

    342B

    MD5

    2e97c8b0184d6ba65baca540ac67438b

    SHA1

    b6e682b2765c1d6eff148791351c6620552892e9

    SHA256

    f9dbd7d2a97498f2ea8df72dd8cb13d4b984848a9792a8f2774ee3ecb0ae1a5d

    SHA512

    d2feb6f8a9a986432d53b8b82be844e5ba49c80acc91092fdacc70552503adcd104638de475411532f51c7561034dc6873648ac5657dc944e7575ec3fe82896a

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

    Filesize

    342B

    MD5

    e8f7c2573271be23e600460e9508cee8

    SHA1

    860adf125c9af7daf98889c1917a6cb1ad822b65

    SHA256

    43eb6b00073d1af2320e7b16d2655dbc6262cb528562d9f9602c6655a1d6e544

    SHA512

    bda59e64f5acb50a9be66d9f331bdd9459319b0f2cb36357999e73399e49090d0a1730c38c7839ba8e42aa5d3856517b593b48c358b81f53a5e2a8ee3929acc3

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

    Filesize

    342B

    MD5

    ada782765d3ae4632658d532b28b1677

    SHA1

    d1c051be7a871e6c93b312aeca417d7970c15a82

    SHA256

    c2181f3bb514b3cb8d4e67ee8c1c54455be6e57d312d94f130eb885562d1a7d1

    SHA512

    9cdc45e91fcfe001d3142d3772ce0b414b1feb96e7b7c88610891381a9cb74b581f070115d4b8b0114a1b8ec4beac602c45ed9a8a9230aa6ce76363bc59b6e34

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

    Filesize

    342B

    MD5

    d4eb51f75a9bb702748941423e8c03bf

    SHA1

    ba2981b997e1863d41f7b68c91d324891fdf3815

    SHA256

    32f804e154cc38935400ebd76f5eedc48147e0f661c8802125a288e5833abbb2

    SHA512

    5fd6806c57bde631dc455dc2c4f2ca3fc353fdae5a3daf34c5d3f4d56d5125409e9159e70cf70f8505244205b2e67dcdc0b13d399fff264c045adb7c69f23adc

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

    Filesize

    342B

    MD5

    354be257ff34fa94ba4120a33f3560e7

    SHA1

    0a74188567bbd1a8df1c2d4f9bd85eeeb153a4f6

    SHA256

    4e976cb72e86904c4aaff4587b4279ee97b33811d56477e9070943064c78d6f2

    SHA512

    86e6b5931204db58b8001122f3fd5baf3ce1a1c3dc872e5d884753fadc9d2489c05a1f24422b2e5c900def1debb14b5f7ccf5b145c20297eab87ec31cfdd56a4

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

    Filesize

    342B

    MD5

    a2f069815e70c70e28e45599461b19af

    SHA1

    3d1445be9b96e730f833c5df7911e465aef1cdfc

    SHA256

    2368388e55528e7485934adc10838823efd28014cc69be2eeddbb619670fc651

    SHA512

    75d845e45c48a1a2fb8347ba455f24ce1fca9492d782cf12f18891947951edffc7d21130406e1fd82f42ccf1fc2f8c767cba60069ffbc6234d3d20338fb2de6f

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

    Filesize

    342B

    MD5

    2967f7c3c5a13ff08a63a027df47e6e0

    SHA1

    72827cc0d22449dcbf8b83cfa3cc529f8514796c

    SHA256

    a51b47273ef33f2e092c5ee68fd1ef117ef76747ce74ff782d7c0a927645c771

    SHA512

    2fdb5a61da2472305964f9c4546a56408b14fd15df2e22f2d8bdc1baed62fca9428686ed5b0ab2c119ca6ff4a7bd19f559360e5966ec211688fb7651090123c5

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

    Filesize

    342B

    MD5

    c1bb222991a4cfec69b571a9b185d8dd

    SHA1

    1e290477cd9fbb24a93b152b4f2f52754f45d582

    SHA256

    39c28421c05c893b2d5dda1d8925f4606874725febd20278badd158e5c342326

    SHA512

    738e750507676e6edcc3d8bfca642735987e753a74807f6ddc649f19cb5afb2683b8049f1dabf2999c237760536e2813443607a50dbb72c9b2b0bf21cb153493

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

    Filesize

    342B

    MD5

    2911adeabbb4aa5bb0c2c1cb1a576069

    SHA1

    49179490a1c020f57cf7366d6c9daa33826f70f7

    SHA256

    2db32607583588ef8b5c4ac489c090b371348ea0c4864ff429cef00fc4989b65

    SHA512

    67b17c6b162dd62e07505f484fe9e6585e8d7dd3ea5924667c720acf9e41a67bb2819b2c25d5c0bdb7a327fea44036711692fb362b7c63a4d5bf9e49b91c1d5a

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

    Filesize

    342B

    MD5

    d1c9fd206e6ea2dbe9f166fb13048912

    SHA1

    b62653e936023eb0dc8b351f2b8573f3226f17da

    SHA256

    fda259c7b8d171c908cda5505d8ac1f2d0ed2be398107f18f58ad9515296a490

    SHA512

    6afc5ae560900552b9568e3aa817dc687467895b4f98b7ec29aff6fae730c9ce7cd65d41f7a2504a99e635999df4190961ee6c8e0f12616d874d16d1a33f8ec9

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

    Filesize

    342B

    MD5

    ef91c12042414f762df9d58e186013df

    SHA1

    ea6de9984b5f03c666c91eed7353f9d85ecdf8bb

    SHA256

    da80ec6a8af8183bf53dea9219b65e74b54fbdc0a3de8b4f816107951780a954

    SHA512

    8d332072dafb1065a0c4518c1d18e147e472e1ef00cbfb3c1aed7dbdd6e185fcac882df2207f1ccdd3db9e58ebcfa1132b71768bd6da2158d153dadba5b0dbc5

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

    Filesize

    342B

    MD5

    430e86b9ac053b1c21f756207dd789df

    SHA1

    9117e69707d8e38e1b0fb356d08a9235bee54760

    SHA256

    7cff16de7a05814121e63f24d8930bf1499cf37912d351f13b6258d38f4e8e18

    SHA512

    dbafdfd5459230ae8c0e36efb100f50a30de03d7bff441a5a4ce2edf9640251cc85070ebec85bdd8eed50bc7424de64d0417a4c10c19df4dc2829d5870ef7940

  • C:\Users\Admin\AppData\Local\Temp\Cab1F7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar2B5.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Windows\SysWOW64\rundll32Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/956-2-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/956-0-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/956-7-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/956-6-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/956-9-0x0000000000240000-0x000000000026E000-memory.dmp

    Filesize

    184KB

  • memory/2320-24-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2320-293-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2320-26-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2320-21-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2320-23-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2324-10-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2324-11-0x00000000001C0000-0x00000000001CF000-memory.dmp

    Filesize

    60KB

  • memory/2324-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2324-20-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB