Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 16:39

General

  • Target

    74dcc9626c36f9309ea8a8ba2ae2efec_JaffaCakes118.dll

  • Size

    132KB

  • MD5

    74dcc9626c36f9309ea8a8ba2ae2efec

  • SHA1

    37c1cda3c13fc1bee25318691b0e4fc3dd0de422

  • SHA256

    b64616fcc0c52422fe7089d3c1d70ceeaa8a106ae1e9b01063d0b0177720973a

  • SHA512

    4dd6be36671ab2f494dbf85b0f61d9d42e31890d5c8fc46d55c117b12c50a2602387ef2af6090709118556d297e9ea3020834b5fe87a6e17fccf708ed2221336

  • SSDEEP

    3072:ro6nwLqrSa4I+VCUgVr9kYaQBqaFM2oVhyAn1+F:k6ungVrwwM2uf1y

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
  • 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 53 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\74dcc9626c36f9309ea8a8ba2ae2efec_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\74dcc9626c36f9309ea8a8ba2ae2efec_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:528
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.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:4220
        • 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:3888
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2064
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 208
                6⤵
                • Program crash
                PID:3352
            • 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:5112
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5112 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1440
            • 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:3928
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3928 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
      1⤵
        PID:3484

      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.{81009072-4B8A-11EF-A174-56B4F41D064E}.dat

              Filesize

              3KB

              MD5

              991b806687b820c8ac4b80494563bee3

              SHA1

              7d13d8cd96623be7b20f0ee2463d37e796a3e188

              SHA256

              a5cbd99bff61c64241f8b7270efb838c4b9eea151205b3cb4bf62481eeabe511

              SHA512

              9914f261f239caab35f4f27292b28233ef75696dcbaadd18c1746e1daf81164b71926ecb3942d2bc48485d9278df29be4bf7049c34002321c2b0dab8f348e112

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8115D9BE-4B8A-11EF-A174-56B4F41D064E}.dat

              Filesize

              5KB

              MD5

              d2edef097e688ffcf9d6ba6d963ec24d

              SHA1

              5d866d7b97219a0e69993e9b48d52be048481a12

              SHA256

              d44b667fac68a8ebe5fa86b990e8d854227e5d6705e3e9ebbfe8d464bdd38ad8

              SHA512

              b93058b2439dc51c5611b61a1431cfdc1cc21aa70c3fc172953e4c76205086b231ed1976f5098c000f9cea8e8c005b5f2afb69dfbf60febf10d6e6b4daada45e

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF424.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\regsvr32mgr.exe

              Filesize

              96KB

              MD5

              8c51fd9d6daa7b6137634de19a49452c

              SHA1

              db2a11cca434bacad2bf42adeecae38e99cf64f8

              SHA256

              528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

              SHA512

              b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

            • memory/528-0-0x0000000000AD0000-0x0000000000AF4000-memory.dmp

              Filesize

              144KB

            • memory/528-1-0x0000000000AD0000-0x0000000000AF4000-memory.dmp

              Filesize

              144KB

            • memory/2064-35-0x0000000000D20000-0x0000000000D21000-memory.dmp

              Filesize

              4KB

            • memory/2064-34-0x0000000000D40000-0x0000000000D41000-memory.dmp

              Filesize

              4KB

            • memory/3888-31-0x0000000000060000-0x0000000000061000-memory.dmp

              Filesize

              4KB

            • memory/3888-40-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/3888-30-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/3888-37-0x0000000000070000-0x0000000000071000-memory.dmp

              Filesize

              4KB

            • memory/3888-36-0x0000000077512000-0x0000000077513000-memory.dmp

              Filesize

              4KB

            • memory/3888-32-0x0000000077512000-0x0000000077513000-memory.dmp

              Filesize

              4KB

            • memory/4220-12-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-7-0x0000000000401000-0x0000000000405000-memory.dmp

              Filesize

              16KB

            • memory/4220-9-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-10-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-11-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-14-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-19-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-20-0x0000000001900000-0x0000000001901000-memory.dmp

              Filesize

              4KB

            • memory/4220-22-0x0000000000401000-0x0000000000405000-memory.dmp

              Filesize

              16KB

            • memory/4220-13-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-8-0x0000000000400000-0x0000000000421000-memory.dmp

              Filesize

              132KB

            • memory/4220-5-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB