Analysis

  • max time kernel
    81s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 23:33

General

  • Target

    0ff09f374cdab927fcb1745237943c6d_JaffaCakes118.dll

  • Size

    104KB

  • MD5

    0ff09f374cdab927fcb1745237943c6d

  • SHA1

    e545ba440733088b12f7d62273e7b2e82ba3f8af

  • SHA256

    f83ceacc2db5a00a91af105fa593e483d251106117f63f8a517f06a4ad229f9e

  • SHA512

    395fb095bc76e614abb4ced8851b5287e36d4c583639bd20d6b52fe6b76cc5a6f063660acd4b87be34b86bd0ca4d71d4bc5e7cdae409a6f50e510e6dfaef5458

  • SSDEEP

    1536:EFb/gIdEvnFbOaE/CCVD2DophGdE45fIJLYOMvedtYYBhp1:EFVd8nllE/CEp149IGNedtY6p1

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 28 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\0ff09f374cdab927fcb1745237943c6d_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ff09f374cdab927fcb1745237943c6d_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2176
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:2332
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4956
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 204
                6⤵
                • Program crash
                PID:3868
            • 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:3984
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3984 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2232
            • 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:4196
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4196 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 608
          3⤵
          • Program crash
          PID:2568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4956 -ip 4956
      1⤵
        PID:2236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2376 -ip 2376
        1⤵
          PID:760

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{648674EB-334B-11EF-BA70-F6C903454AA3}.dat

          Filesize

          3KB

          MD5

          c7b2e0699b6c63cc862eb5b4442bfae5

          SHA1

          1ef4d95f89d742c03d99963a97c9179f7f6e77ea

          SHA256

          3b9f9f1e72c2fffb5b0774f07e797ec6485bf2c62b0f29d39d911c9310b89b5d

          SHA512

          d25cdbebd5b1cb9d595cd11491c781f2828a605373150990785cc8e23a7939e24ff9ff9105fabdb9dd7eb590f0bdd4f726ea6ecfd50949d37ea2618e170fd6c8

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{6488D726-334B-11EF-BA70-F6C903454AA3}.dat

          Filesize

          5KB

          MD5

          75ec7e6b412a4fc178d4958b17b5902d

          SHA1

          b03b96b35f00169f1ee1a57910773347ffb49a57

          SHA256

          24494f4610ea8e9197b21583c11c1318b88ef20296863e8aa8b5e24b78cba9c5

          SHA512

          21b710270b7c6e26821c63232dfc0aa97ee008540535eeab2d593e8d1df1be85471b3f8ec9430113d9b14475cc966203df36e777a39eb305e961cf872c825aa3

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          59KB

          MD5

          0e0f0ae845d89c22bb6385f64a6b85fd

          SHA1

          0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

          SHA256

          5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

          SHA512

          baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

        • memory/2176-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2176-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2176-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2176-10-0x00000000008B0000-0x00000000008B1000-memory.dmp

          Filesize

          4KB

        • memory/2176-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2176-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2176-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2176-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2332-29-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2332-30-0x0000000077672000-0x0000000077673000-memory.dmp

          Filesize

          4KB

        • memory/2332-32-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/2332-33-0x0000000077672000-0x0000000077673000-memory.dmp

          Filesize

          4KB

        • memory/2332-24-0x0000000000880000-0x0000000000881000-memory.dmp

          Filesize

          4KB

        • memory/2332-25-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2332-36-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2376-1-0x000000006D140000-0x000000006D15A000-memory.dmp

          Filesize

          104KB

        • memory/2376-31-0x000000006D140000-0x000000006D15A000-memory.dmp

          Filesize

          104KB

        • memory/4956-28-0x00000000007B0000-0x00000000007B1000-memory.dmp

          Filesize

          4KB

        • memory/4956-27-0x00000000007D0000-0x00000000007D1000-memory.dmp

          Filesize

          4KB