Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 17:19

General

  • Target

    5ce81431c9bbabb0a7465d31071bcc7f_JaffaCakes118.dll

  • Size

    646KB

  • MD5

    5ce81431c9bbabb0a7465d31071bcc7f

  • SHA1

    b041920e99edc52a056f060781895042509d7580

  • SHA256

    02419e7d3fc685593534c985fa554b894216d8ba878085586509d146b48deb17

  • SHA512

    ce8150b699c00324466b0d96488c99aae1f3cb891e941fe30de1cf6142b0d01fe56466cc1677ae38024b0787981c03a7c3ab058797ab751c1254d2fde1b5bd9a

  • SSDEEP

    12288:qE7NiOLg18+1/hv5VEipyz7mTWWa8afR2ftuD1xbmiU3MV5y:qE3+F5GipwuWWpj+HHy

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 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 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\5ce81431c9bbabb0a7465d31071bcc7f_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3604
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ce81431c9bbabb0a7465d31071bcc7f_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2664
      • 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:2896
        • 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:4420
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2992
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 204
                6⤵
                • Program crash
                PID:1196
            • 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:3164
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3164 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4388
            • 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:1080
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1080 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 608
          3⤵
          • Program crash
          PID:3024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2664 -ip 2664
      1⤵
        PID:1592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2992 -ip 2992
        1⤵
          PID:4680

        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.{0B970C0F-45F3-11EF-A174-D63901C91A66}.dat

          Filesize

          3KB

          MD5

          0e4f3a1041ff58dc2b0752d4ad3ff68a

          SHA1

          19ab45888e26815af63765579be2e7577c50ad28

          SHA256

          385e91ce219dd7a7569bd5d1a5567c9772fd627bd5a51e22d111e720fd3f364b

          SHA512

          bc2a823473e955059fb927c727d15853ea3be620cfd827b6a9f9aaa986ac06bfb2e5d341175a5bb901f2cb2289154dc57072f601d1ced7b6b5983e65672e805e

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{0B996E97-45F3-11EF-A174-D63901C91A66}.dat

          Filesize

          5KB

          MD5

          eac05f644995afae9422893bcb9e8855

          SHA1

          d51d279bc5c532de83e3ae77c1cd7cae4c6fb79a

          SHA256

          ea1a7863a9966f3c3b3d2b510b8cda50db6731db85e5fa48027ab1533e8b7eaa

          SHA512

          ae4fa7d1732929f5ce72b8363409f94f9a157bfd1bb631741a39b14bac62a33fc1d37ab55631816d533317686bf71896f560bf39f8dfa4fa5e6711fed9fd8a86

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver28B.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5G8JI3LV\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/2664-33-0x0000000074D20000-0x0000000074DC8000-memory.dmp

          Filesize

          672KB

        • memory/2664-1-0x0000000074D20000-0x0000000074DC8000-memory.dmp

          Filesize

          672KB

        • memory/2896-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

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

          Filesize

          132KB

        • memory/2896-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

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

          Filesize

          132KB

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

          Filesize

          132KB

        • memory/2896-14-0x00000000008B0000-0x00000000008B1000-memory.dmp

          Filesize

          4KB

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

          Filesize

          132KB

        • memory/2896-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2992-32-0x00000000012C0000-0x00000000012C1000-memory.dmp

          Filesize

          4KB

        • memory/2992-31-0x00000000012A0000-0x00000000012A1000-memory.dmp

          Filesize

          4KB

        • memory/4420-27-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4420-35-0x0000000077362000-0x0000000077363000-memory.dmp

          Filesize

          4KB

        • memory/4420-34-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4420-30-0x0000000077362000-0x0000000077363000-memory.dmp

          Filesize

          4KB

        • memory/4420-38-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4420-39-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4420-28-0x00000000008C0000-0x00000000008C1000-memory.dmp

          Filesize

          4KB

        • memory/4420-26-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB