Analysis

  • max time kernel
    135s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 02:16

General

  • Target
    01fa0fed892413daccfc0fd6d6d2f7b5_JaffaCakes118.exe
  • Size 92KB
  • Sample240620-cqeaaaxfmp
  • SHA256 ba0367d2a87b992f1bcd89f48ab8c59dd9e99e157d35c4fb728cf1074874c6c1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 46 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01fa0fed892413daccfc0fd6d6d2f7b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01fa0fed892413daccfc0fd6d6d2f7b5_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2492
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 204
            4⤵
            • Program crash
            PID:2116
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3292
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3292 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3912
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4492
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4492 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2492 -ip 2492
      1⤵
        PID:2856

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            WaterMark.exe

            • Path C:\Program Files (x86)\Microsoft\WaterMark.exe
            • Size 92KB
            • SHA256 ba0367d2a87b992f1bcd89f48ab8c59dd9e99e157d35c4fb728cf1074874c6c1
            • MD5 SHA1 SHA512 SSDEEP

            RecoveryStore.{1F772AB2-2EAB-11EF-86EC-52C7543D668B}.dat

            • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{1F772AB2-2EAB-11EF-86EC-52C7543D668B}.dat
            • Size 4KB
            • SHA256 cfad63a88014dea3715cedc08a21a430fdfd6b08ded3d42f7600e4d8d4269a50
            • MD5 SHA1 SHA512 SSDEEP

            RecoveryStore.{1F798CFE-2EAB-11EF-86EC-52C7543D668B}.dat

            • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{1F798CFE-2EAB-11EF-86EC-52C7543D668B}.dat
            • Size 5KB
            • SHA256 07a118f335880d3f6dfc1c495ac112d7eedfc3c1c1740b505230ca456639d947
            • MD5 SHA1 SHA512 SSDEEP

            verBC89.tmp

            • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verBC89.tmp
            • Size 15KB
            • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
            • MD5 SHA1 SHA512 SSDEEP

            suggestions[1].en-US

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GU2A83AM\suggestions[1].en-US
            • Size 17KB
            • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
            • MD5 SHA1 SHA512 SSDEEP

            memory/2492-29-0x0000000000F80000-0x0000000000F81000-memory.dmp

            memory/2492-30-0x0000000000F60000-0x0000000000F61000-memory.dmp

            memory/4372-32-0x00000000779F2000-0x00000000779F3000-memory.dmp

            memory/4372-28-0x00000000779F2000-0x00000000779F3000-memory.dmp

            memory/4372-27-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4372-25-0x00000000001E0000-0x00000000001E1000-memory.dmp

            memory/4372-22-0x0000000000400000-0x00000000004EE000-memory.dmp

            memory/4372-35-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4372-31-0x0000000000070000-0x0000000000071000-memory.dmp

            memory/4864-7-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-8-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-12-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-0-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-4-0x0000000000400000-0x00000000004EE000-memory.dmp

            memory/4864-1-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-2-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-10-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-5-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4864-6-0x0000000000960000-0x0000000000961000-memory.dmp