Analysis

  • max time kernel
    119s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 18:11

General

  • Target

    75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.dll

  • Size

    143KB

  • MD5

    33d18de91aa5961da674b83976fa73ad

  • SHA1

    15ecb46e555d2516456b684da14800190fca78e3

  • SHA256

    75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4

  • SHA512

    50e46686468b57497270429dd8260029d5420c9a254e08fa367b6298c8e315804f0037dc06946240b0234c3fe49bece4fe19ef77e414af42e52be09e23b74ea3

  • SSDEEP

    3072:x5Np2dlUX0+Cx17F8QRJZKmOK3outK2laPEbsQIxrDfd:PFwT7SMJMzUoSracgQIxrB

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 9 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 7 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2564
      • 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:2316
        • 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:2964
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2964 CREDAT:275457 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 248
        3⤵
        • Program crash
        PID:2836

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

    c5c97fe967e62891e4b8715daec3979a

    SHA1

    9351fc1351a365b7609ae0ee3abe03ee507b8830

    SHA256

    a0e747f84b2729ca72cc3c3525f1a334294d0c25d38cb91dc1cedf3773120af4

    SHA512

    352c71a1012d40bd1f79431f22c53b3c5b69bffeee6a9cef14c33378d03c17bb21c827fd44bafbd8ec58a766d0c6a478a892f7890c5e9b2918e7115fae338408

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

    Filesize

    342B

    MD5

    79279518065adb4dde336ceb048148cd

    SHA1

    7b86c30e8fff47151bb57af04191d9ca4e1e4cfb

    SHA256

    4b12c0c02dcc8a614c63aded45ffe25415766064927a096e38c78cfef243924a

    SHA512

    ae48aacf347f345ea69e22a56853770c5c11087542c584bf7b3b9811b3a307cceed6e71a9f649f7b9fc5306591050a3cb5493de730991651255108345f56a31d

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

    Filesize

    342B

    MD5

    c905ee75c66060ae9505d798a18f93ef

    SHA1

    aa0408c22a2fbe748430745bf43305dba9725875

    SHA256

    f99e1711346c471d1004b8fc5160df947a62f8e58aacb3146cbff295d3398553

    SHA512

    ac6aad5eb8c722c132a495478dc088a63e84ed5f14396e17690944a8ea2e95a166a8f061689f5a3a7bcffa15aa4db2630801668f5df66809fed5c4cb94e1e204

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

    Filesize

    342B

    MD5

    9079be866cecbacf111417eca5463c23

    SHA1

    5183414a2d83159c3a3f8cb7413cb38d40e40c1b

    SHA256

    60af082dd09ded26416fc941c945fb82a9b01f2c23ab11945f82de0806d6ff33

    SHA512

    24dc9f891b55e35a0ab0f231face248a8238e2a0750aa79b143550b0eaa63ca0da5a13367bc42e9f49351c60894ece84f6bc7421cce6e769ea73b88782a9391d

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

    Filesize

    342B

    MD5

    09dbab4c531f3aef78e128a6f0707593

    SHA1

    f55d6384057e31d0662b42bf2941e917b8a4b562

    SHA256

    ec0979edf35a7c2615a6bfd7689c92bb73f807ebc8a22dd53bc390c2b9ca2dee

    SHA512

    217941b1539315234a343a045c0ac039f3e3cfb2797a3727c68852e3340c40e23267cfc09dafdefbb6881edfae6d84342fbed13bd4b033d9d7cdb154f799f0ce

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

    Filesize

    342B

    MD5

    356ac47ce50fdaf43588d3f5918e5b20

    SHA1

    20deeb4b8c7f50392f8ac9e333f1cbbbbbca95d7

    SHA256

    6e437121d66e270c4e7b26321e04148be45338f1731e0b9708728772b93a84d3

    SHA512

    d026a0e17e6154b39c4bc79463035f7fee5229c1139c052d3a14548b08aa6b6affbc5801eceb89f169da3bf8c2c33c5ace89bca0eed30047505853981f0be1e4

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

    Filesize

    342B

    MD5

    d4d24be66aed1b2e7d903798e5560b72

    SHA1

    c4ec64c920b95946b4e34fa27050fdc9ffcdc3f5

    SHA256

    ac00b4315e49e37c8c68c6ef494768205199d6906362482fc893974c1501c1dd

    SHA512

    503bdbf25da8ca5fbf27bd964c9b523ad2ef1e32e9d1a641b206d5ed3b20ffd4681c8ac05cc6d4c340c2d6f0e246c4108707e3a282baad0ab454b4ae0b712470

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

    Filesize

    342B

    MD5

    8876ab378daa5d365f7845a061f52a40

    SHA1

    de9905d19d09bbe375083f1328651f201de0cfdf

    SHA256

    9cd4c90c986c8d59a0096a0b5a834a447881c7dcc334edb699152ba605491ae6

    SHA512

    be48fbdfd877fa47af287bf99773948793c487ce30febe023e2e5da70db883f4ef0f262e236ecf63efb51c3103b97e649c945c3d2a0c1d5278c86b6b927e6080

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

    Filesize

    342B

    MD5

    eed5e43a2eca1d697ee9b9a76814c033

    SHA1

    99bcda407b15ae1a28320320ce29a06d6d0d1602

    SHA256

    104a129fab356d6f619c7c209d2aea0f42225ed3594a1a32ade68b4e99fdadf5

    SHA512

    1690d568d696f927ac622e194ba6056756948807582c2657b7496c892bbeb2405b69135e13dd65f3478f098f67fbbf954874823a1e9848e04a80990812e4c533

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

    Filesize

    342B

    MD5

    c92b63de1304c4a789b090bbe393320e

    SHA1

    94375ea26ae85bdec4847419d4c75faa212fda04

    SHA256

    ba26c98523d877fceb29fa608c5c3bad6a441415a2689a78cd84f1ef0b43b675

    SHA512

    a8869e3975a07b858667d6decc41f505caeac1607942692fa1727af4cc3c0a6bac965a7d6a15fe6867cb14a3687b890b80735e99aee7540398801fc8ebd8490c

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

    Filesize

    342B

    MD5

    9c30d326a75696db37b76b47af702a8d

    SHA1

    18d92660cecfdf5107fc1b18edbd03a1f47eeb77

    SHA256

    c2b8d69403324ffc075e5606178947161421fa4f342c21d2c86077f8df70bf39

    SHA512

    17f64c7dc931776cfb24af29580a84539bfacf95de972c5576be3c287bf1638e8d8808e722e58d3cb724c1f2cf7c3db4f3a5451127088deb828502c42083f6ae

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

    Filesize

    342B

    MD5

    484a0e96e9485f1942124170f8e84c4e

    SHA1

    20220c47abba057d54638008f0c6cbac8a191a28

    SHA256

    d3eac7babe87fb0688e8f8292fe97b15b96fdde0e3c8ddca3291101f4449bb07

    SHA512

    0f6bad3d1f8ad04c53f8aac5a15b5f0454d45a8909d92ef51564577b1edf496f99b5587092d8d02cc95db31c56b7d05e1043d5f88e484e0bccd7263773d0ef09

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

    Filesize

    342B

    MD5

    04d6f2bd89dadb6c844a60734b1cc7ed

    SHA1

    f125d682c16e0e12246866e8e09f25ad3b46bec5

    SHA256

    e93dc62e2a04ccbe3e0084ed84999cdddeee302da67aeea679fa6e9a992fb691

    SHA512

    794c4c0309bd51cec1072bec0d4cf86a39d9542403aa6abd00038d7566ee081b75b0ceabdafa5248f5d85db852eeb47b4acc246ef16213f7944136e561d30aab

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

    Filesize

    342B

    MD5

    f91bc389be3bfe22d23368de0ab08a30

    SHA1

    941946f819e4c767fdaa891588763941d723eb4c

    SHA256

    7e1e270a9e6672d3f812924cc40ce224e7b0a930b207c7837cf4e956f98e0589

    SHA512

    cb5afa6e13bec3c865d78bc9f13aaed2d80f1d8fb57b07adae6b6865da3eb9f16c3b6daa11d4341699a0aa3a712e2bc2a3c0a554330d9ff910be2eeb30dc3895

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

    Filesize

    342B

    MD5

    c8f785d94d6f71b7b6b8b2b4a0afb1d8

    SHA1

    0f50f9e096c2fef627d572e97696caf772888a6c

    SHA256

    b7587a173034ebf3fc849890b0ad13785740cf868392776109f16faf62243dfa

    SHA512

    c506f7dbb9089d954556c55435fe03a79384b34d5dce309bc3c42a36bd486e3d56d7b8c3424708e2ac405d23e95f9928700aa58238ac53fd95c389340b4a3ea3

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

    Filesize

    342B

    MD5

    36cd01bd3fe8634e19821aade544209b

    SHA1

    1ee932f4142c4d3777b7c6c3af3a0b08fade20dc

    SHA256

    de909028d70699c5d429e075be372aa107eae47fbab97e49f185873be351daf1

    SHA512

    33df88742acef85074657f47e49dab808019cd27ffde2c22adecd65ad7440c7a3c5f9f4f76db061840154644b9c8d54a5c287803f879a6ddf2b90ecc0c873c56

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

    Filesize

    342B

    MD5

    c7de14c9280c35bb3fac2c98972cc8a1

    SHA1

    39db48fef1ac58ba085a023b7f260ec15c93624f

    SHA256

    317840cac642337523068e3994e9eefb0bfcd977fa613287cd48b858e1590fc0

    SHA512

    654f3b6ea438042335c1acc37a9a86387886755f14b0af381689fc55bc50d237b5ace8b3b41b43eddbd55346a6687da09ce340406fb9a7e72987dfaabb4c513f

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

    Filesize

    342B

    MD5

    54781852613b5f06a857542ff06490e2

    SHA1

    750d3f20bd123c3212c65673a44312fb3f88e548

    SHA256

    f8e07b343b5bd32d428c842592c6fb60d54ec86fde2fbdacbc34ad507d864acf

    SHA512

    32c24970610a57722a57440c0e72211214cbb0736530a74780fad82d2c225f41d933d899540523eb1109400e601c474fbf6f8536adc6d64b234d65d3fac25d6d

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

    Filesize

    342B

    MD5

    2e454faad4a0412b5a3ec909052ac306

    SHA1

    55191e6c00886bd1f3b4a219c8ee60e4366049d3

    SHA256

    e65ceb20af16e50259166c17a6212e66a8212bb64ee30830d98a2b91e3883a64

    SHA512

    0dab1767e2a6b91b68feb137326b6b856306a977c80030b0a2f31c812ccad6e96a7379eaf2cb0c85b6ba42f9d7b1c5070926cd7b9ad9c8762d1ab7eb315f730f

  • C:\Users\Admin\AppData\Local\Temp\Cab58F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar64E.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/2316-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2316-8-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2320-22-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2320-18-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2320-20-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2564-11-0x0000000010000000-0x000000001004C000-memory.dmp

    Filesize

    304KB

  • memory/2564-9-0x0000000010009000-0x000000001000A000-memory.dmp

    Filesize

    4KB

  • memory/2564-2-0x0000000010000000-0x000000001004C000-memory.dmp

    Filesize

    304KB

  • memory/2564-0-0x0000000010000000-0x000000001004C000-memory.dmp

    Filesize

    304KB

  • memory/2564-23-0x0000000010000000-0x000000001004C000-memory.dmp

    Filesize

    304KB