Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 11:48

General

  • Target

    JaffaCakes118_64dcf747b8246f128a9c7bc611e8f646.dll

  • Size

    456KB

  • MD5

    64dcf747b8246f128a9c7bc611e8f646

  • SHA1

    d6f4a6877109f8b75e86c7dd25825035c69b5c54

  • SHA256

    0625488a1543df5033ec9bc0f99a08ff9bbde21e45f7e88797562f9b12a5e8cf

  • SHA512

    36eda085e419ad8d41bdc5a790af717bc13835077fd2fcf2a50ae31fb0ca671f74d735d414298ad99b7d85dbc46d2688beb906fa9184c631007834d1bf7191b4

  • SSDEEP

    12288:+V7LMzw56Wx1Dk/qon6xyYhgPFaUVltz7w1c:Y1oC3yWgPFl

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 13 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 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\JaffaCakes118_64dcf747b8246f128a9c7bc611e8f646.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64dcf747b8246f128a9c7bc611e8f646.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1836
      • 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:448
        • 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:1700
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4316
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 204
                6⤵
                • Program crash
                PID:3888
            • 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:3864
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3864 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2164
            • 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:1436
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1436 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4316 -ip 4316
      1⤵
        PID:2364

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        471B

        MD5

        d3ef026dd88e6e5106ac84f80286c124

        SHA1

        75062b0190d63b6ee191c2d3fd7deed40520a363

        SHA256

        2ecb929a03fb648afd921206e9f84eebfe98b3b343061e6d2e5bbf3a1d02619c

        SHA512

        809dafd4a0fb9c3c22d3fff05ebb4c025b35a69b514ddb082565a14b3543581f1c430532b6dec2dd4da97a4c9b9818b57d91dcc6f91a3a5425f5a65a078cf64e

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

        Filesize

        404B

        MD5

        91be6c71dfc43e6d1b47fc68097bba21

        SHA1

        cf689f8e40d6380c71c52e4f6e6fb216e1b1d35d

        SHA256

        143c74de20bdba07c91f067fd27c28d1e84a34fef38a3c266740428ce50bb11e

        SHA512

        3140404e2fb6c80f7f2f3dac616626e12797a6c47a1ebf2f7f27ff521d3f9ef74abc255d0ac6acbcb9e779b163c475923c753e0e82558a9d3400674d44f505c4

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

        Filesize

        404B

        MD5

        73d8fc7e07d40c353990e6dd62e40e81

        SHA1

        af7946607f15ef1857c319ad82f50c1e93afe681

        SHA256

        dd50104277a6f9caeeb1b5e89959c65820b86a92bf32da5ca0a30102f4925f42

        SHA512

        cba7b81f289cce03ec2cabc3210a6e2c7b78adf8d4d5024c8f4b37e083c22ed10196ca6573d1f023a9778c21b8bcafc274139c41db4a3e4b75381b6bef61bc4d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{70CE0F00-C8FF-11EF-A7EA-D2BD7E71DA05}.dat

        Filesize

        3KB

        MD5

        f9fac73cc8187ef75b9a35998853704b

        SHA1

        81f408eccabd4da84aa7c5cb142bc187726709b1

        SHA256

        07f142a37fdd49e932d16f6878bbe388f8555817bd2d8695bf5774c3c0d3429c

        SHA512

        7f80f4ca50c65bc4ba0d5544c9cec3a0cc3ffe37b63f8eb252534b78052d51c3df159f1efabcfed5b1d55ce9d1cab1b0731dd68ab46272bf9d3f8f2bab03800d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{70D2D37B-C8FF-11EF-A7EA-D2BD7E71DA05}.dat

        Filesize

        5KB

        MD5

        f2c393663fedf4cfe77bf051a97ad731

        SHA1

        52d10146de0ac32619164bddb718aff987c8aa82

        SHA256

        250b0c918e0fb9bfe4a1d98557887f03149767a5cf18b3499ae64772b5980de3

        SHA512

        b245892f4377f39ca0c2d397c56a3c21eaee4ea31e99b1fba90d498583fd95b4612f43652742a249fe1d465c86c71b9aae54cf89e147f2357848611497671122

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF4FF.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

        59KB

        MD5

        0e0f0ae845d89c22bb6385f64a6b85fd

        SHA1

        0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

        SHA256

        5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

        SHA512

        baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

      • memory/448-17-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/448-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/448-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/448-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/448-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/448-5-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/448-6-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/448-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/448-11-0x00000000008A0000-0x00000000008A1000-memory.dmp

        Filesize

        4KB

      • memory/448-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/448-20-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/1700-38-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1700-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1700-26-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/1700-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1700-36-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/1700-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1700-35-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1700-37-0x0000000077B32000-0x0000000077B33000-memory.dmp

        Filesize

        4KB

      • memory/1700-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1700-30-0x0000000000910000-0x0000000000911000-memory.dmp

        Filesize

        4KB

      • memory/1700-31-0x0000000077B32000-0x0000000077B33000-memory.dmp

        Filesize

        4KB

      • memory/1836-0-0x0000000010000000-0x00000000100A5000-memory.dmp

        Filesize

        660KB

      • memory/4316-33-0x00000000007B0000-0x00000000007B1000-memory.dmp

        Filesize

        4KB

      • memory/4316-34-0x0000000000790000-0x0000000000791000-memory.dmp

        Filesize

        4KB