Analysis

  • max time kernel
    96s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 07:41

General

  • Target
    16c669febc9180a25d967de726a83065_JaffaCakes118.exe
  • Size 241KB
  • Sample241005-jh7eesxeqa
  • SHA256 f28599ac1925dcfeaf87e6456e97cb203650af4f3e886b4470b20752787be580
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 4 IoCs
  • UPX packed file 18 IoCs

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

  • Drops file in Program Files directory 9 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of UnmapMainImage 5 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16c669febc9180a25d967de726a83065_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\16c669febc9180a25d967de726a83065_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\16c669febc9180a25d967de726a83065_JaffaCakes118mgr.exe
      C:\Users\Admin\AppData\Local\Temp\16c669febc9180a25d967de726a83065_JaffaCakes118mgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2120
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe
        "C:\Program Files (x86)\Microsoft\WaterMarkmgr.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:3820
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:3976
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4176
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 204
                6⤵
                • Program crash
                PID:224
            • 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:2708
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2708 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2608
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:3456
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          3⤵
            PID:3924
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 204
              4⤵
              • Program crash
              PID:2412
          • 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:1932
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1932 CREDAT:17410 /prefetch:2
              4⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4128
          • 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:3516
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3516 CREDAT:17410 /prefetch:2
              4⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:5044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3924 -ip 3924
        1⤵
          PID:3896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4176 -ip 4176
          1⤵
            PID:3580

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                WaterMark.exe

                • Path C:\Program Files (x86)\Microsoft\WaterMark.exe
                • Size 241KB
                • SHA256 f28599ac1925dcfeaf87e6456e97cb203650af4f3e886b4470b20752787be580
                • MD5 SHA1 SHA512 SSDEEP

                7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                • Size 471B
                • SHA256 1ae4c8aa37bf433bc5b3b45e017c95bf843c7dbbe348c78c7ab6f3cad0fda4b8
                • MD5 SHA1 SHA512

                7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                • Size 404B
                • SHA256 bc6c836021595e606007a95e0cb1388d9e2b4e7619fd2ffa13096f9e1da6f57d
                • MD5 SHA1 SHA512

                7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                • Size 404B
                • SHA256 7d85781e4065492c293f4a5e38a8f6c2a8736064ef4930b5103e5da352320100
                • MD5 SHA1 SHA512

                7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                • Size 404B
                • SHA256 3f4fa3d42d0b228f26568f5cb053c44dffc72ed95c63525e80f1bbcfdecf1b52
                • MD5 SHA1 SHA512

                RecoveryStore.{36A59985-82ED-11EF-9A03-5ED96FC588C3}.dat

                • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{36A59985-82ED-11EF-9A03-5ED96FC588C3}.dat
                • Size 5KB
                • SHA256 53cab9eb866c1a0315379bafbb9f5c4782cd5a5b6d8a18f2cf6f0f36ad88e7c7
                • MD5 SHA1 SHA512 SSDEEP

                RecoveryStore.{36A7FB1A-82ED-11EF-9A03-5ED96FC588C3}.dat

                • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{36A7FB1A-82ED-11EF-9A03-5ED96FC588C3}.dat
                • Size 3KB
                • SHA256 b337f91dadb09de39b735fcce8cd7e7dba4e6f9cca27b22898486eaad936b8cb
                • MD5 SHA1 SHA512

                RecoveryStore.{36A8222A-82ED-11EF-9A03-5ED96FC588C3}.dat

                • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{36A8222A-82ED-11EF-9A03-5ED96FC588C3}.dat
                • Size 5KB
                • SHA256 8eb611c4b8c474da1cb81ff15873e3ff2d9dfeebd6382cbc7d578786dd2caf4b
                • MD5 SHA1 SHA512 SSDEEP

                ver38B0.tmp

                • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver38B0.tmp
                • Size 15KB
                • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
                • MD5 SHA1 SHA512 SSDEEP

                suggestions[1].en-US

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FGWUB7UN\suggestions[1].en-US
                • Size 17KB
                • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                • MD5 SHA1 SHA512 SSDEEP

                16c669febc9180a25d967de726a83065_JaffaCakes118mgr.exe

                • Path C:\Users\Admin\AppData\Local\Temp\16c669febc9180a25d967de726a83065_JaffaCakes118mgr.exe
                • Size 119KB
                • SHA256 c92f502e604f3dcdd2ddacb06a1ad6f7fc8f56de8b15001a911a63a81ea8535d
                • MD5 SHA1 SHA512 SSDEEP

                memory/1456-76-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/1456-71-0x0000000077A82000-0x0000000077A83000-memory.dmp

                memory/1456-46-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/1456-81-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/1456-52-0x0000000000060000-0x0000000000061000-memory.dmp

                memory/1456-57-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/1456-73-0x0000000077A82000-0x0000000077A83000-memory.dmp

                memory/1456-74-0x0000000000070000-0x0000000000071000-memory.dmp

                memory/1456-69-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/1456-32-0x0000000000400000-0x0000000000448000-memory.dmp

                memory/2000-9-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2000-5-0x0000000000401000-0x0000000000402000-memory.dmp

                memory/2000-20-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2000-14-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2000-12-0x00000000030B0000-0x00000000030B1000-memory.dmp

                memory/2000-11-0x0000000000400000-0x0000000000448000-memory.dmp

                memory/2000-8-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2000-7-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2000-13-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2000-15-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2000-0-0x0000000000400000-0x0000000000448000-memory.dmp

                memory/2120-26-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/2120-4-0x0000000000400000-0x0000000000429000-memory.dmp

                memory/3820-66-0x0000000000400000-0x0000000000429000-memory.dmp

                memory/3820-64-0x0000000000401000-0x0000000000416000-memory.dmp

                memory/3820-62-0x0000000000416000-0x0000000000420000-memory.dmp

                memory/3820-63-0x0000000000401000-0x0000000000404000-memory.dmp

                memory/3820-49-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/3820-121-0x0000000000400000-0x0000000000429000-memory.dmp

                memory/3924-67-0x0000000000A20000-0x0000000000A21000-memory.dmp

                memory/3976-61-0x0000000000430000-0x0000000000431000-memory.dmp

                memory/3976-77-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/3976-72-0x0000000000400000-0x0000000000421000-memory.dmp

                memory/3976-70-0x0000000000400000-0x0000000000448000-memory.dmp

                memory/4176-68-0x00000000010D0000-0x00000000010D1000-memory.dmp