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Analysis

  • max time kernel
    96s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2024, 04:21 UTC

General

  • Target

    3269f09d521fb3d0a5541f9f3413cccf470adce0555da3783f05b3e855c811f8.dll

  • Size

    1.2MB

  • MD5

    4e5d68b90c246c12c1f703478e30d099

  • SHA1

    49a00b9e131ff05157e4715f156d08f5e7fa38c3

  • SHA256

    3269f09d521fb3d0a5541f9f3413cccf470adce0555da3783f05b3e855c811f8

  • SHA512

    6cb4b82aa6f76f7e1e742631e2445fb4fc1daede1a77ac08e2eb3efd6ee9c5772506e8ada4a34590b6cae5fafe994bc0d2e8e1fd1b2ca0bb8db2d08aec184dbf

  • SSDEEP

    12288:v9g8GZHpzAac5naAd25L5O+FQ7lW8lZ60ICPxaf6og38BfSH6gqrandxT+is3pjB:v68+O6pvbt/wuzTB2OF8gnV

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3269f09d521fb3d0a5541f9f3413cccf470adce0555da3783f05b3e855c811f8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3269f09d521fb3d0a5541f9f3413cccf470adce0555da3783f05b3e855c811f8.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2612
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:1132
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2676
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 204
                6⤵
                • Program crash
                PID:1060
            • 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:3956
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3956 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2152
            • 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:3616
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3616 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 620
          3⤵
          • Program crash
          PID:3844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 956 -ip 956
      1⤵
        PID:760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2676 -ip 2676
        1⤵
          PID:5064

        Network

        • flag-us
          DNS
          217.106.137.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          217.106.137.52.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          88.210.23.2.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          88.210.23.2.in-addr.arpa
          IN PTR
          Response
          88.210.23.2.in-addr.arpa
          IN PTR
          a2-23-210-88deploystaticakamaitechnologiescom
        • flag-us
          DNS
          14.160.190.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          14.160.190.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          95.221.229.192.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          95.221.229.192.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          api.bing.com
          iexplore.exe
          Remote address:
          8.8.8.8:53
          Request
          api.bing.com
          IN A
          Response
          api.bing.com
          IN CNAME
          api-bing-com.e-0001.e-msedge.net
          api-bing-com.e-0001.e-msedge.net
          IN CNAME
          e-0001.e-msedge.net
          e-0001.e-msedge.net
          IN A
          13.107.5.80
        • flag-us
          DNS
          196.249.167.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          196.249.167.52.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          53.210.109.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          53.210.109.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          18.31.95.13.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          18.31.95.13.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          107.12.20.2.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          107.12.20.2.in-addr.arpa
          IN PTR
          Response
          107.12.20.2.in-addr.arpa
          IN PTR
          a2-20-12-107deploystaticakamaitechnologiescom
        • flag-us
          DNS
          161.19.199.152.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          161.19.199.152.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          200.197.79.204.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          200.197.79.204.in-addr.arpa
          IN PTR
          Response
          200.197.79.204.in-addr.arpa
          IN PTR
          a-0001a-msedgenet
        • flag-us
          DNS
          21.236.111.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          21.236.111.52.in-addr.arpa
          IN PTR
          Response
        • 204.79.197.200:443
          ieonline.microsoft.com
          tls, http2
          iexplore.exe
          1.2kB
          8.3kB
          15
          14
        • 8.8.8.8:53
          217.106.137.52.in-addr.arpa
          dns
          73 B
          147 B
          1
          1

          DNS Request

          217.106.137.52.in-addr.arpa

        • 8.8.8.8:53
          88.210.23.2.in-addr.arpa
          dns
          70 B
          133 B
          1
          1

          DNS Request

          88.210.23.2.in-addr.arpa

        • 8.8.8.8:53
          14.160.190.20.in-addr.arpa
          dns
          72 B
          158 B
          1
          1

          DNS Request

          14.160.190.20.in-addr.arpa

        • 8.8.8.8:53
          95.221.229.192.in-addr.arpa
          dns
          73 B
          144 B
          1
          1

          DNS Request

          95.221.229.192.in-addr.arpa

        • 8.8.8.8:53
          api.bing.com
          dns
          iexplore.exe
          58 B
          134 B
          1
          1

          DNS Request

          api.bing.com

          DNS Response

          13.107.5.80

        • 8.8.8.8:53
          196.249.167.52.in-addr.arpa
          dns
          73 B
          147 B
          1
          1

          DNS Request

          196.249.167.52.in-addr.arpa

        • 8.8.8.8:53
          53.210.109.20.in-addr.arpa
          dns
          72 B
          158 B
          1
          1

          DNS Request

          53.210.109.20.in-addr.arpa

        • 8.8.8.8:53
          18.31.95.13.in-addr.arpa
          dns
          70 B
          144 B
          1
          1

          DNS Request

          18.31.95.13.in-addr.arpa

        • 8.8.8.8:53
          107.12.20.2.in-addr.arpa
          dns
          70 B
          133 B
          1
          1

          DNS Request

          107.12.20.2.in-addr.arpa

        • 8.8.8.8:53
          161.19.199.152.in-addr.arpa
          dns
          73 B
          144 B
          1
          1

          DNS Request

          161.19.199.152.in-addr.arpa

        • 8.8.8.8:53
          200.197.79.204.in-addr.arpa
          dns
          73 B
          106 B
          1
          1

          DNS Request

          200.197.79.204.in-addr.arpa

        • 8.8.8.8:53
          21.236.111.52.in-addr.arpa
          dns
          72 B
          158 B
          1
          1

          DNS Request

          21.236.111.52.in-addr.arpa

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          471B

          MD5

          73d8dd7eaa8896905e31f1960f51ece1

          SHA1

          164e031603e75d95091220c5ff0d695547f6d3ae

          SHA256

          9ff75ab638fe252bd0d04aea3f0ce38270ffc8df5db9399f9ea45aaef196dddc

          SHA512

          4879585482992d7ea3ee02775b74592b06daab32a63dc7700dd4da40c45a524f3bcfc2beff928a85563f09ad0438be5b3e458bc3d0cd08ad146d416fec014a04

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          404B

          MD5

          dd4dc06e5dcbd6c663f21bdd051fdf17

          SHA1

          df914ed367b564a10acf80ef56279818b09b3d62

          SHA256

          be4799cd480c322f8ead625c87dd920ae00b620c82e9ee2c4eb4c6711d156fc8

          SHA512

          884674152344b9aaa763d9ee7c9fefc63c292056f178df536a40331db011070294e6e4021cedcb92f6225c92a3b9ed98940bdf5486cf5dc26b30c2ae7bfeffb3

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          404B

          MD5

          9612b984a5831979207db39981b60819

          SHA1

          130ebd4ac6a2eed3b534ed00e218fdccd675a387

          SHA256

          fa88514b1e9816bdc0238e297c18b65fb7b2feae9306d7ff2edc7bb8df5d3b57

          SHA512

          7862daa8a147d6e0f3fcf6ab32c0dea2345e9d9c3f5a4093473af931f7e89afd663a4973d872820d2dfb9c7914a30144b2dbf6ebc28f66ae719e74f12b0ae176

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DD1BB2AA-C340-11EF-A7EA-DEEFF298442C}.dat

          Filesize

          5KB

          MD5

          4481a97e0316d1d1091b8278c7c40a61

          SHA1

          60028f6886681d0d8c2b5ee84bd380a7f6ca18b7

          SHA256

          c31fc53dfe85b3d10150283b27f91c20aba99c63b7155cda097f25db2c1a2be5

          SHA512

          191bcc8ae38e6cc3d0161ed90e4c1ec2ceb150992d57e02ba0f644ae354304091308a9693ad2f5fd152e1979a29de708a630d1d1701c4f6b000b80184febbf63

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DD1E14F1-C340-11EF-A7EA-DEEFF298442C}.dat

          Filesize

          3KB

          MD5

          afff9161236611ce322b26f61411e0cc

          SHA1

          bdfdbb432c3bfce8adf3ed0f15d189c75fb9f2b2

          SHA256

          27864c0beb9ebc3a3b30873dc59dad0eda934e6e143b03fe36313cb267fb4859

          SHA512

          9b33b513db46ff12c16330eb4eba66613ee7c26633d4569bca82a9f199c06a3893787f52a78e56a183b5b6ec22106daa96bd9783cc42703ea78778665005f1d6

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2C89.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          60KB

          MD5

          9da34792f12bfb224d0b0d16f9f62292

          SHA1

          da65efc75ff8be031bac9ba02eda64597f657c52

          SHA256

          a434a29856702b0daa752fac298e3b27e08016ca210e9eefc1431957a9e20334

          SHA512

          6af27047219bf6e0ede8877df56576109e50973f66d704bd1a923a8fde9bc29d7ef929576ad24e19cf82a5ae4a550a36ead42a1e0deb23f41954cbaae2724a9c

        • memory/956-1-0x0000000010000000-0x000000001013A000-memory.dmp

          Filesize

          1.2MB

        • memory/956-34-0x0000000010000000-0x000000001013A000-memory.dmp

          Filesize

          1.2MB

        • memory/1132-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1132-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1132-29-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/1132-31-0x0000000077642000-0x0000000077643000-memory.dmp

          Filesize

          4KB

        • memory/1132-36-0x0000000077642000-0x0000000077643000-memory.dmp

          Filesize

          4KB

        • memory/1132-37-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1132-27-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1132-35-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/2612-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2612-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2612-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2612-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2612-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2612-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2612-9-0x00000000008A0000-0x00000000008A1000-memory.dmp

          Filesize

          4KB

        • memory/2612-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2612-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2676-32-0x0000000000590000-0x0000000000591000-memory.dmp

          Filesize

          4KB

        • memory/2676-33-0x0000000000570000-0x0000000000571000-memory.dmp

          Filesize

          4KB

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