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Analysis

  • max time kernel
    133s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 03:30

General

  • Target

    a10a17a82c3dbb78e03785ac529a635f_JaffaCakes118.dll

  • Size

    96KB

  • MD5

    a10a17a82c3dbb78e03785ac529a635f

  • SHA1

    ae98ac756d000a5678e18d49716ff660914b4132

  • SHA256

    8451cdcaa9ce94819d9d9ae112f4232649eda2c54d317dbc5ed55956088e03db

  • SHA512

    88096743f6c6614550fc6f91b577c745d49835de4b0dd27c04e867a136e258cc329d875ed187a62a539ddc8604c47aec57efec38271967be76561cb9f13de270

  • SSDEEP

    3072:vGd5SX8EOqNX80i3zf0YirSSupmQqWwyuNw:ed5WOq7EzfnpmQqWwlC

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 12 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 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\a10a17a82c3dbb78e03785ac529a635f_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3568
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a10a17a82c3dbb78e03785ac529a635f_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.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:3956
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:4428
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2192
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 204
                6⤵
                • Program crash
                PID:2000
            • 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:4604
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4604 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3420
            • 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:3328
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3328 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 560
          3⤵
          • Program crash
          PID:4440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
      1⤵
        PID:4284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2192 -ip 2192
        1⤵
          PID:4968

        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.{099AC440-5C49-11EF-B1C5-62A6B307388A}.dat

          Filesize

          3KB

          MD5

          5458d1c1c5c1f2804cd99d900c8bda54

          SHA1

          dd74210d85329d1128eb9fccae1a9fcf0cc9038f

          SHA256

          d8ece5a17d2467e4f16ed367a730656b116122c03fa8f0c7de92cbfef2c8d38e

          SHA512

          fa1bc58b4a7903b1beeedad21878ba0cdbc61a4d411a5ac2002521f2f64ebcd9cf7867224443f2b6fd4cbe3c341d095a83d799c125a04716dd3b6c3f23492a81

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{099D2662-5C49-11EF-B1C5-62A6B307388A}.dat

          Filesize

          5KB

          MD5

          bdee10ef9c264bd930dce86d5b82b0f2

          SHA1

          175dfcbfc426e6f0d25de53f6dbb519d920e09fe

          SHA256

          ea801f6e333422629e6ec3595782f3b81525cb318420ea4f892482ad7d398512

          SHA512

          55fade6711d9abee7653d3c1e8d225aa0d119a3d5a94ce31d5ca4a27f0a1b5f40f4bcfec54679ec537bae42ee8d0b95129d4d75fcb5065291b2c243c078556a9

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verA1D.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IFM58U6K\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          60KB

          MD5

          cd963c64ad0bea4ca85a4819f6eefed1

          SHA1

          d9cd6316cf3c6ce5ceec9694c2debc7b7981775f

          SHA256

          33c4b715dc8b183dff9aac65cc42c7f2c70658580b8e3d449878251482a5d906

          SHA512

          f7cd12c57eff3acf7c89b0e7b55dfa81623618a65d6c49b490c199cfe63ae9e858f2681c8ef1425d1e4b25f7b0bbd6d4a9d9788956c23f52fece3d5d79b5907e

        • memory/2128-35-0x000000006D200000-0x000000006D218000-memory.dmp

          Filesize

          96KB

        • memory/2128-1-0x000000006D200000-0x000000006D218000-memory.dmp

          Filesize

          96KB

        • memory/2192-33-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

          Filesize

          4KB

        • memory/2192-34-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

          Filesize

          4KB

        • memory/3956-10-0x0000000000A30000-0x0000000000A31000-memory.dmp

          Filesize

          4KB

        • memory/3956-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3956-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3956-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3956-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3956-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3956-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3956-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3956-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4428-31-0x0000000077362000-0x0000000077363000-memory.dmp

          Filesize

          4KB

        • memory/4428-37-0x0000000077362000-0x0000000077363000-memory.dmp

          Filesize

          4KB

        • memory/4428-36-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4428-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4428-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4428-41-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4428-30-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4428-29-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB