Analysis

  • max time kernel
    92s
  • 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
    03-01-2025 10:54

General

  • Target

    JaffaCakes118_6c201424ca5a1327b2e1191e8fd558f9.dll

  • Size

    156KB

  • MD5

    6c201424ca5a1327b2e1191e8fd558f9

  • SHA1

    afbeef4ed2254ac942f47df49589cf960011b9cd

  • SHA256

    d2636f96a68a9f90b67545ac576e68de1cc8b7ef5a519f87180a8e117fe2cf1f

  • SHA512

    1e49f3a816a013d28ad9318c9002ec07e377cec7f64656905aa0710735e5bf0fe78c77fb38b13985f4558a638c2822e91b3b9e201b5dbe18b6a7ec827a3c2a9c

  • SSDEEP

    3072:BxfBciFN8oXGFsEoIk90HgChEITlwsMqMKFOC7eHPvA:BoiFk/HgmVwLyOvPo

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 38 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c201424ca5a1327b2e1191e8fd558f9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c201424ca5a1327b2e1191e8fd558f9.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1324
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:4040
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 84
              5⤵
              • Program crash
              PID:3968
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3224
            • 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:3212
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3212 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1848
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3212 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2664
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:804
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 208
                5⤵
                • Program crash
                PID:3872
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4948
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:1160
            • C:\Users\Admin\AppData\Local\Temp\idwvodhpxnrmndqm.exe
              "C:\Users\Admin\AppData\Local\Temp\idwvodhpxnrmndqm.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2176
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4040 -ip 4040
        1⤵
          PID:1232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 804 -ip 804
          1⤵
            PID:1308

          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

            8fad2e07a4c7a80a9b50d87e76420c29

            SHA1

            7faa7310d52e1b97b5f7597dda3fa439f4ec04d8

            SHA256

            be210b4b624d55d076fdc5b6d9f6b98acb116c646e43c56e52790d910bca942d

            SHA512

            459a02e6817f3ba0a1edc2590a266a772127f39f651c9a5ee1170fbaefedeadff6a6ff948f97ed09670413dabe611c2c34e00e7600b4ff501455c35776da7895

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

            Filesize

            404B

            MD5

            e69405ae4040a98c9e9519e5039189b8

            SHA1

            cb4ed3eb30fe9d40262a8c55089cf07c78d44c34

            SHA256

            2a06432d31e9fe0ef70bbf690f95a137ff588e6c482f43662a21b0c2f4b329c6

            SHA512

            811f5c8b877fc740760b51923faea1ca1f80d77f0090992ba1fc316da687ab8fa8f28dc48e60af283bac12250338eb88acd7b32a546504acf7ef3d841b3fea74

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3F75.tmp

            Filesize

            15KB

            MD5

            1a545d0052b581fbb2ab4c52133846bc

            SHA1

            62f3266a9b9925cd6d98658b92adec673cbe3dd3

            SHA256

            557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

            SHA512

            bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Windows\SysWOW64\rundll32mgr.exe

            Filesize

            111KB

            MD5

            c05d7be48e120bb1198419928f912f89

            SHA1

            d907471285ddf49d3d6fc6bdd5fff1bd66f56914

            SHA256

            0692c7a3c021c871542a7b13cc65ae7ad53dd00ba5b955b29ac48565b31c091f

            SHA512

            538442c9b39a49fb82edd8b057a5b32132cb366c8c91cec1ba960e885393a38d7c525dace2c727dfec19e15ad4c38a1fc9092bf5fcd8978a7e4cc07a7b80432f

          • memory/1220-1-0x0000000010000000-0x0000000010028000-memory.dmp

            Filesize

            160KB

          • memory/1324-9-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/1324-23-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/1324-13-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/1324-4-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/1324-5-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/1324-16-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/1324-20-0x0000000077132000-0x0000000077133000-memory.dmp

            Filesize

            4KB

          • memory/1324-19-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/1324-22-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/1324-11-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/1324-24-0x0000000077132000-0x0000000077133000-memory.dmp

            Filesize

            4KB

          • memory/1324-7-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/1324-6-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/2176-46-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/2176-49-0x0000000000400000-0x0000000000437DE0-memory.dmp

            Filesize

            223KB

          • memory/2176-50-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/4040-14-0x0000000000390000-0x0000000000391000-memory.dmp

            Filesize

            4KB

          • memory/4040-15-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB