Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 20:03

General

  • Target

    0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077.dll

  • Size

    1.7MB

  • MD5

    d876caad3710f67598a244fd7d02d56e

  • SHA1

    5e6a293020397d36a1d9286e1394d7dc95b07ba1

  • SHA256

    0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077

  • SHA512

    f9eebc06fcb4b5182a29d998cb9707e97bf7138ac95a455598b7a4c6d3a453a2bae40ec1e6acbc7090fa26c17276a3c775344bd2dd8abf7e3503375ffdcbef21

  • SSDEEP

    24576:eXXG7YavHfjWlACnxpxTQURTFACjkmyLMcPtUOXtt1jFwGj:eX27lvLOhnhT5KKyMlg1FwGj

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 11 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 55 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\0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f044a74f450b79048d692c643cdeda89ba4b10838e51c61314bb0670c8d2077.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2640
      • 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:4804
        • 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:4580
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:5076
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 204
                6⤵
                • Program crash
                PID:1544
            • 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:2780
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2780 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3856
            • 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:1460
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1460 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 632
          3⤵
          • Program crash
          PID:2140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2640 -ip 2640
      1⤵
        PID:1812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5076 -ip 5076
        1⤵
          PID:3496

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          471B

          MD5

          5cdba0b951b215a32f9053da8eed5d75

          SHA1

          5bcaf283c5b7a740bc804a393298d6cf4f0ba4c7

          SHA256

          5db4ebeed80b2c5b5e17e1f7ddc01139ee151ff2b398250393d8d30d3bbf1118

          SHA512

          7471c506a63bc00edb959edc7b74b42af565c99297252348a6edd5ef1036ad7885f2ee3d5fad141400a549741980fe8f08c9a00a743bd696913e536d76c91d10

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

          Filesize

          404B

          MD5

          26ccbeddfcb018537b8e225f9fa0b8f7

          SHA1

          cb58998b1efa6056fec381417a5c5416cb15019b

          SHA256

          f1ad15fc3e8e5ebf2d757cbce781bd2151a986a7d15fab7a76ab525cf3c664c3

          SHA512

          a4b138cdc1e98a7526832a79c8197ee9816f86f9c38ac83405f66b068743bb58ed0a8df45bf4b56bbbee8309b06b176011691034d163709c889d34750e7965ca

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7C60A346-A77A-11EF-ADF2-FAA11E730504}.dat

          Filesize

          3KB

          MD5

          e73b0869bf990720ea0ca5443c6b64fe

          SHA1

          4a9b59a872b03dd026670eaf7250f0383bf6e7fd

          SHA256

          6862153c0a61a7d66b343756418f98a3c6ae50ecdc20bfabbb8a297fbc9fd9b2

          SHA512

          433765e22a15d3ea8f068ec800f1704510dac1dbb0c95911c1906400ee7b2c1ad9e8193a2ab974c7a93353ba45766fe821c88910dc5e5c1c086f62102ab2405a

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7C60CA56-A77A-11EF-ADF2-FAA11E730504}.dat

          Filesize

          5KB

          MD5

          07f6209719f10cac9c9f0030c4e6e50f

          SHA1

          f8d7b0adafaa29762572ed310d2b677d057f36bf

          SHA256

          6795bd5d4d2547c4394b0537c63b1d254fc19002d5a5c8b3dcbd7dd76c4b0f51

          SHA512

          6fe256135bf59d575427044c0302dc3e6cb6b0013126a3aedbb934638ddfb16c05e97e753e7e19a1ea96e354fd2121f646ab5152d5987b8c98a42592ce87f069

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verA7B.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          60KB

          MD5

          94f2f6ffbba8e7644668b51b39983916

          SHA1

          63357bbdf90101969117983dbc0d4ed0e713c4d7

          SHA256

          ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

          SHA512

          d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

        • memory/2640-2-0x000000004B230000-0x000000004B3E6000-memory.dmp

          Filesize

          1.7MB

        • memory/2640-33-0x000000004B230000-0x000000004B3E6000-memory.dmp

          Filesize

          1.7MB

        • memory/4580-29-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

          Filesize

          4KB

        • memory/4580-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4580-39-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4580-34-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4580-27-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/4580-36-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

          Filesize

          4KB

        • memory/4580-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4580-35-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4804-10-0x0000000000A40000-0x0000000000A41000-memory.dmp

          Filesize

          4KB

        • memory/4804-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4804-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4804-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4804-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4804-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4804-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4804-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5076-31-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

          Filesize

          4KB

        • memory/5076-32-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

          Filesize

          4KB