Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 21:01

General

  • Target

    JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll

  • Size

    228KB

  • MD5

    11104cb4970494f5fc485a2839d97fe7

  • SHA1

    a5528a3fbe8eda0e527aa5e932481396ab4e6231

  • SHA256

    39d1de6a1fb303175651fe8001f5aa358f26342d0c5a1f6a47fd929a01faca5c

  • SHA512

    e9ef07ca5b4c653a35567521137dd06b1ed9a525e3c6dce6771c23dc15a80f2511e772f1b571cb4ce05329e637de73b263be90e60d4482df84b1f5618be2ff9d

  • SSDEEP

    3072:wgKKuiX63bw5dNjDh8pWVgTlFIYnFFD6DOM2iU0BVRoO9:hKZp3KNjVGvFF+SM2inhoW

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 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 45 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_11104cb4970494f5fc485a2839d97fe7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3504
      • 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:2896
        • 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:4576
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3672
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 204
                6⤵
                • Program crash
                PID:1488
            • 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:4936
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4936 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1972
            • 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:684
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:684 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 3672
      1⤵
        PID:3152

      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

        2c48c73220d62a8faffe599e95896274

        SHA1

        452cd4222360fe7e881055d815ec65a2bbac564b

        SHA256

        35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

        SHA512

        6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

        Filesize

        404B

        MD5

        3ee80916ae02be24ffddc86fff736fc8

        SHA1

        3dc0460cc2e4cbbbb86689dbec4d5ab65e41a2a2

        SHA256

        dc74999a6d078f0376ba594405f42b20160304c2edf8b9a493bfc805d9f8c398

        SHA512

        74134e3b9a23451b589ca77dd693cec536d0c2827d67c01430edd8ce333d2713b97c185ec69bd23ec8f5260d30e2d289ac95084e7e7ecca3c65692e581ecf4c5

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{0015DB18-D904-11EF-AF2A-EE8B2F3CE00B}.dat

        Filesize

        3KB

        MD5

        8fcbf68af3f4298ac280802b65b38e4c

        SHA1

        33655fd6dd943e65d6d48e34e523df803d6538cc

        SHA256

        50fc8ef7bf05d320b9f466833234a406c64a9e8149e1405988f42f349713c9b4

        SHA512

        ebb7955184dfd0d5cd3f8c0ee4b9b11e5672390a6ccb52a2d91fcae325e02e5c67c4e134defd2d27681277e5996723a1b453fddd198b24b0bca1fdeceb060d9a

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{00160228-D904-11EF-AF2A-EE8B2F3CE00B}.dat

        Filesize

        5KB

        MD5

        90cd5373f7e184a6194526f49c25f962

        SHA1

        86cce0ef1ac87c8481f4cbb5526570b6a52f711f

        SHA256

        fb3eb146d87f4d7cfc92905e2dee5982a6945ace2de8c85187c7ebabbd4c94e2

        SHA512

        c8767435843aded37bfef3aa22a441de08296e372dba7303c74d73ad9f1429b47dc12f1edc13f016db7398b9c1fca0c3b54e1b126074386738a201b662c8a2ad

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        112KB

        MD5

        8a04558595485ce4e50f94301ef76535

        SHA1

        6fbb5ead4c083e2257be8fbadc386bb4b1a874e9

        SHA256

        6d4b385cb816f26f78500326392dd5795857697aebc1678da82463c70b02b36b

        SHA512

        87dfa39743490a51090c81e38cc9393ee48a1b3b51bfe451f73b72db34a65ac9f08447cbbd9b5e05363474248eb961c5b579cc06bb2957101caf19860792cdd3

      • memory/2896-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2896-26-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/2896-12-0x0000000002D10000-0x0000000002D11000-memory.dmp

        Filesize

        4KB

      • memory/2896-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2896-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2896-5-0x0000000000400000-0x00000000004E6000-memory.dmp

        Filesize

        920KB

      • memory/2896-17-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2896-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2896-6-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/2896-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2896-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3504-1-0x0000000010000000-0x000000001003B000-memory.dmp

        Filesize

        236KB

      • memory/3672-35-0x0000000000180000-0x0000000000181000-memory.dmp

        Filesize

        4KB

      • memory/3672-36-0x0000000000160000-0x0000000000161000-memory.dmp

        Filesize

        4KB

      • memory/4576-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4576-34-0x0000000077062000-0x0000000077063000-memory.dmp

        Filesize

        4KB

      • memory/4576-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4576-38-0x0000000077062000-0x0000000077063000-memory.dmp

        Filesize

        4KB

      • memory/4576-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4576-42-0x0000000000400000-0x00000000004E6000-memory.dmp

        Filesize

        920KB

      • memory/4576-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4576-30-0x00000000004B0000-0x00000000004B1000-memory.dmp

        Filesize

        4KB

      • memory/4576-32-0x0000000000400000-0x00000000004E6000-memory.dmp

        Filesize

        920KB