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Analysis

  • max time kernel
    144s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 10:40

General

  • Target

    62e87455e2d4d8bdcdff3995d3c3abfa_JaffaCakes118.dll

  • Size

    337KB

  • MD5

    62e87455e2d4d8bdcdff3995d3c3abfa

  • SHA1

    2ed665915f11fbf82e3302c11babba8a4f4253eb

  • SHA256

    2c0461dc149016883bdfaecd7dec92a5037f7773d26eff8ca4dd11c5e84071d4

  • SHA512

    52c057f2429c303ababae8ed3166258758c8e47ba0da68f1ce66f40e6afbcd74f9ecdc9e6c04c27b24dccf2b6104958a44183382283c5f0eec1d0ef9229f95ee

  • SSDEEP

    6144:UN0yr1sO/wIKS0FKtOT/OrDtgUi0uvQee7Qee/0QeesQeeglQeekQeeDC7MRjde4:0G6wndYtamDSU1CjdedpAt

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 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 51 IoCs
  • Modifies registry class 4 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\62e87455e2d4d8bdcdff3995d3c3abfa_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3612
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\62e87455e2d4d8bdcdff3995d3c3abfa_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4664
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:4044
        • 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:3480
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3636
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 212
                6⤵
                • Program crash
                PID:932
            • 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:2008
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2008 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3068
            • 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:1720
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1720 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3636 -ip 3636
      1⤵
        PID:4268

      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.{7BB39142-4817-11EF-B355-5EC22215AA79}.dat

        Filesize

        3KB

        MD5

        5d547f4b66ccf477dcd1a0b6702d677f

        SHA1

        2bad1b51a0dadd1da2c8983d38b6e4b93fdcaab1

        SHA256

        5e8e237590bcfe9ce1014d56d5e49a848f5eabe4269afdbae7fd8a084679562d

        SHA512

        dd8ccbee642e56fe403c8db93471459958bb3f559071a675e2d2e3e18a74bf493c7564c925c3298dc52d4f3492df982eb6133ff49793de1f4ad78c6dd495279e

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{7BB5F383-4817-11EF-B355-5EC22215AA79}.dat

        Filesize

        5KB

        MD5

        e433cf7341dc50c58021073c4689e34d

        SHA1

        9a8b1ed14ec5d906a6ff513c5ec13d9062d663d1

        SHA256

        4c63fdae68ce4333d044e930125c37d10a0bb3dee6f728751c33863bf6458520

        SHA512

        4decc9a7cba4b323e8a3d6f88591db70b2f79e6a00ec39af6cb42dd5b0d87d11ebae1c26e5f2a40f7002e481073357f329085a3cf20be4bd4075b5048632c2e3

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver4040.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MQYRE6E5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\regsvr32mgr.exe

        Filesize

        96KB

        MD5

        8c51fd9d6daa7b6137634de19a49452c

        SHA1

        db2a11cca434bacad2bf42adeecae38e99cf64f8

        SHA256

        528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

        SHA512

        b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

      • memory/3480-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3480-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3480-36-0x0000000077842000-0x0000000077843000-memory.dmp

        Filesize

        4KB

      • memory/3480-35-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3480-31-0x0000000077842000-0x0000000077843000-memory.dmp

        Filesize

        4KB

      • memory/3480-30-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/3480-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3636-34-0x0000000000540000-0x0000000000541000-memory.dmp

        Filesize

        4KB

      • memory/3636-33-0x0000000000560000-0x0000000000561000-memory.dmp

        Filesize

        4KB

      • memory/4044-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4044-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4044-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4044-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4044-21-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/4044-20-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/4044-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4044-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4044-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4044-6-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/4044-7-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4044-5-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4664-0-0x00000000751C0000-0x0000000075217000-memory.dmp

        Filesize

        348KB