Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 21:47

General

  • Target

    c3d4def3111024b83ebf1bbc39e43fc92eda5d2a9877f501c1b5026d7abd9eea.dll

  • Size

    272KB

  • MD5

    d321c97d7afa07802e1250c9137a99d9

  • SHA1

    0e87272e99809ca10cdd0c348327d9f9529ccf2d

  • SHA256

    c3d4def3111024b83ebf1bbc39e43fc92eda5d2a9877f501c1b5026d7abd9eea

  • SHA512

    4f352c27e65be37bd4c8023947fe9e07e324fc480af7a4270725b531eb835bbf54c022d5fbeaecda0a7114dd13cd805a8a9e8dcc99871ee9fdb2c059a9c74aec

  • SSDEEP

    3072:zMB3+g9CoIvLZi/443ooMBhXdkQ3gGlxG8:+9YvLZh4YoMB3gG28

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 6 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 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 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3d4def3111024b83ebf1bbc39e43fc92eda5d2a9877f501c1b5026d7abd9eea.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3d4def3111024b83ebf1bbc39e43fc92eda5d2a9877f501c1b5026d7abd9eea.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:796
      • 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:2004
        • 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:856
          • 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:108
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:108 CREDAT:275457 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 224
        3⤵
        • Program crash
        PID:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    e04bf446e9c304b5d325eadceb8123ae

    SHA1

    8148ac7afdeadd701f215cb9e714dde23a2d984a

    SHA256

    533fe33e4ccf0e13fe24ce4efb3fddc34fca81c5be65eb89a04675e41f416c43

    SHA512

    02d0243eddd4d3793cceadbe89bdd23a215715e63d2ff1bf4f5f3a13abe4d9b849a9cdb2a7a0669cc130a3c5fac495aedbfd5e6551823257bc4e3a47ecfec66d

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

    Filesize

    342B

    MD5

    75fd91b8f0404b329bdecbdcd92da3ec

    SHA1

    a0bd3e54a9dee6f6d70c5bc06c70d2279e8f7c14

    SHA256

    a5656f2ce6ffb8ab72f48b70fb73371b3ed9ae09dbb4b4cc644f67b24df2677e

    SHA512

    ae015ade1de778571119fb04dae703ec279e18e4c42b22aa188021806997ceae4a0ca749346a39d86df5689590fd2fb7cd5bb2e4a7524c9b778bfd50db9b1ec8

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

    Filesize

    342B

    MD5

    add06dd33ebe114d2fba7e26b6254082

    SHA1

    50be71a83e542b95b7968524e07a81bd8071f354

    SHA256

    cff13d08be9dd545e7d55aea8c2b681cd39bac0cc9886b8cfc9d55a28bc39e10

    SHA512

    faa849df0e25da23e0f2d370aaf03035e97e29fc87b9178e6011ac81395dc4979e1c1f6135df3cb3d36732048935c64fef0f6c3daae62030bd631abf6a7cc30c

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

    Filesize

    342B

    MD5

    9b9021b3022e861100739e7fcfeeb288

    SHA1

    9e37ab9c5f8158f1f443a2bcc682a3f91bf4bd72

    SHA256

    e673cf48ddf7b0b20801189826197dce2a51a414de7fa91ebb03d6b1052c6372

    SHA512

    513821fe003d7548e7d89d28a7f42980e0b9ae090a73f7ec9b4f9785df29964bc06d3dcd41559eef232593c9017dcdf1878e5ac1c433c587824abb8e728e241c

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

    Filesize

    342B

    MD5

    19c2bfa66ed941c9a23cedcebe3e8996

    SHA1

    7057d4832ca77b52a13a308df1c141a2900ddcb2

    SHA256

    ea33111a0f466b4683221542e02f4e87327db5e58396e7a625deab65a4b6983a

    SHA512

    dcf7ba0160748d6c2a4457adb3426c0f93091da5a282ee93f9edb2c0511b31fddafbb2d3be82f42974536d9514325e4a19717f34f26be9ac3402403aa8d42cdf

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

    Filesize

    342B

    MD5

    431cae8f6c091d9e20286f15c79f8ff7

    SHA1

    a0ca17f010bf36e6c068373906a4da6e2774d91e

    SHA256

    96610da848b48e0af68e3e12d15d209709ac60508ba4c55005702de80e339798

    SHA512

    1fe780abf7da3a729383284ba8d36208594f71b197db4cddf9573346d1029aba59e873362fe0ba3f52d07813bdca6c749248d1aa3a35fce0fca47252db1915b7

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

    Filesize

    342B

    MD5

    38f3cc0ad06142fca4898babf31e61b5

    SHA1

    920fd048990666f0f72c99bf70f71f2f689918ec

    SHA256

    701d1927f61e6848e737270911ec9d760c1a8a2ec33e28516d46905fdaea4590

    SHA512

    cd177b2c9fc7ac3f268df2f75e092d063fe8c867bccbcebf78fa02bac305852b58f90a0cad83b10c8575ba027a6f1c3ed7a2dc41fd17aeda42dc837653a78533

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

    Filesize

    342B

    MD5

    da6fcf2b50b60ff76512b74c14f9db7d

    SHA1

    040be7ba5e57acad36d8e99fa7c779ae594701c1

    SHA256

    c69610c36f9215056d58e804351509610fc265b2d09da247011d13fbc2545074

    SHA512

    481a8354c8735e8be4471747e7c342386308bb50e7d0a100997b60e8006b4cd3b2ae91ba8ae3973c4fdc9b6c684fcbe8b2970bff6f020a32f7899f2dfc1da3ef

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

    Filesize

    342B

    MD5

    f835ba5f6c28503e4c08d3570f39b78f

    SHA1

    b6ca7b0083bbdbb67456a519c263c42284a116e9

    SHA256

    e526e23dd0a043bcf41421fdaeb8f5f9a2424e66fac6cf821e63b43c720870c9

    SHA512

    eb88990a147411e95aebfcb3741f7bdab46f90dd2d8b512125e589fece62af81c7c83428a4917f485f03e744d9f7931280f6e64f610593f57511ec99e3f00348

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

    Filesize

    342B

    MD5

    e58f0dcdf054f7a6c186c725a4e518b4

    SHA1

    2f567a63c120056a514470913753fa17c52a594f

    SHA256

    d63425910bd713eeeec81b59945f829fad698eb5296b214d4e937dc93c59fda3

    SHA512

    c3c712fa289b4e412990a709b6aba271c0231beafaa6b1a371256f5bd1d41f85f7e98c1bee43afe0d8feb0ca31acd68cba4ee3888675cbaba2004bcbb273e120

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

    Filesize

    342B

    MD5

    c30b89598839b53a060bb3eaf1389921

    SHA1

    a9d2a1a0d857534d34cc29c5dd2fc9567185a736

    SHA256

    42e3b4f6f4cafda60073b1ea8b71465e1bb23e3895e3d8bcfaf3fbd41d29a28d

    SHA512

    2ea3979801e4ece9893924160aa317203e1e520dec08b609435e5a10b318e99a16979944109c3c01b097bc361133e84ad37b50c8fc9c08405e41cf18abab87fd

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

    Filesize

    342B

    MD5

    d42d3b28dcb186d457190614719a2cdf

    SHA1

    628c832a80b1681be817b097c03f10918cf2b76b

    SHA256

    152fcb0e358f96bd0a193c31c3facd0511f7d827eba139031b1690679e0d1543

    SHA512

    22de87d2ed4ba13a345ec74b985b626157bb6371c28036babc3aed243bffd74b1eda6ce3d2b295110378b42d6ace6e713216c66294429e572d13b45e4bdd61c4

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

    Filesize

    342B

    MD5

    d3150e8f2815023f0d73f6aa14d85f6d

    SHA1

    4b6ff3e4f0b23c1582e920454a7666a0c8437ded

    SHA256

    a61715c9c557589d8823b2fa588a93a795a80f9d04ff981985e25bba74705a32

    SHA512

    8c603d631a9bacc74732aa40cf23f45345ef2e31eb9142cec7aedf713254c85aa02b9f89cb003bd71bd126bc0929c1a84857ce57b2b65cb5cb4c0e7caabb5e66

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

    Filesize

    342B

    MD5

    281b24a424a0078140edd494184f2ee6

    SHA1

    187e0ec0cb392d732b6e3d48846eec20d3070e10

    SHA256

    025e2fbf1f3f57eea2782ff71dbe8fb8bc0d8397ad0ce51bc3d004ade6c35624

    SHA512

    116408a73e594a9b61aabc42c7db0b67b549e2da4236b350f0df1680d17583f4867fdaaa937e5dab943aff33ae75ad25ac397622712ea9c1a197e8318c4034ef

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

    Filesize

    342B

    MD5

    483027a45568e1b75138960b9419c393

    SHA1

    ed039c889782ef19763864a48c423f6aa51b3a9f

    SHA256

    fa48e1bc53f865ba2fd95921d828764c302d53436030eef02bdcd3f3bad57f87

    SHA512

    3a19e1b419956279e5c6d3eff3d8d58555426b904a1c430bc400c55a16725d280f9f69e39be49015bff3f5919b06ab5157088ffa1db6625f6b84f7bbb00b6d6c

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

    Filesize

    342B

    MD5

    547162660741aa5b1a6b5a0ef11d7f9c

    SHA1

    7a66d5a2864280f6e3faf58ef4e2047e729a99da

    SHA256

    e629742226e83f566c1a0619492eb98657667400d39bf973d24ca7f29da1fe5b

    SHA512

    2ca5e0b0a4e06f7f494f094e7cd5e7ae6a8b805bc6c3e16453b424d80795ea790235c149ed22ae3e5f548d1aa846e580f6dfb8b96048f966d3cf65005f294edd

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

    Filesize

    342B

    MD5

    b5d8cbc41575c94f1504b43fb4df111b

    SHA1

    869133ed58774570d88d895dc552987a047956df

    SHA256

    5553c79cb594409e551f8994954800729e28cd335d89c9f41023793454ab7b29

    SHA512

    5544fce0ebc275a59b175c6f30a1db0949d9c7538867c37d21dc6ff29c262e599c1f6802a65255849e8ca7c8fb2ddf4b1f5351237a50649c1067dc28be9fdedd

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

    Filesize

    342B

    MD5

    b5b76d4b3f696c8782da269a100b5d0c

    SHA1

    572281e1c524226a3fc35713e91f2f7ed5390220

    SHA256

    c7da5444dbb4d2bcf9c93c379d1259cf526a519809aa7784e1b13fd713a3d9e1

    SHA512

    0ec73dc9f975b8107bb98a7f5b575652a675f13045dab7e30103356171eb52944d1425eff5453a3335e59e664911e60fa43a960c0c0b0af436a9907a02012b9e

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

    Filesize

    342B

    MD5

    655ad62a20baf02a1b6f39114da51dd9

    SHA1

    18e021119313f3f971adeeda8fcc426b963bf140

    SHA256

    7ab5b66d516be24a665c4f32f38d3d27c6bd626fc41f25173aa1172d1289544c

    SHA512

    0cb998710dced5a39397d7e0dfe5f58c2a017e744372d4c719e7b02d822756fd5b303b1772eb3de26d550d276853ab6c552a88c5c9a95f72e7820df52f4ce464

  • C:\Users\Admin\AppData\Local\Temp\CabA73A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA7AB.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/796-6-0x0000000010000000-0x0000000010045000-memory.dmp

    Filesize

    276KB

  • memory/796-7-0x0000000000190000-0x00000000001BE000-memory.dmp

    Filesize

    184KB

  • memory/796-1-0x0000000010000000-0x0000000010045000-memory.dmp

    Filesize

    276KB

  • memory/856-17-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-22-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-21-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/856-20-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/856-19-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2004-9-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2004-15-0x0000000000260000-0x000000000028E000-memory.dmp

    Filesize

    184KB