Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2025 17:43

General

  • Target

    JaffaCakes118_599efaa8ae4f37beda54f57b98b09da0.dll

  • Size

    456KB

  • MD5

    599efaa8ae4f37beda54f57b98b09da0

  • SHA1

    140022bf32af7d27896d8e85af3c42d49ae4b5da

  • SHA256

    24b7d682b49cdce81fd7a6f9832a9c634ba2bd14fef7dd43ee92797d1def4f54

  • SHA512

    aa70e5cbb83e79c75abe557dd57c6504969744f39398fb32089a0b61857c69bf46d983e4ada2ead80a2a6a1d7149431c3804a423e354cac0afaace92fa6ab2f3

  • SSDEEP

    6144:J4TmSt9uNNtXlD2K0Hp/59dB9SzH2xLBzWjKEyS4X1OGTUX7x8A3u:xYQtXlD2N7SD2xF0BY1DTUX7x8A3

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 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 32 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599efaa8ae4f37beda54f57b98b09da0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599efaa8ae4f37beda54f57b98b09da0.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:448
      • C:\Users\Admin\AppData\Local\Temp\Pdf4513
        "Pdf4513"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Users\Admin\AppData\Local\Temp\Pdf4513
          "C:\Users\Admin\AppData\Local\Temp\Pdf4513"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1132
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1580
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 208
                6⤵
                • Program crash
                PID:4916
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3504
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:4896
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4896 CREDAT:17410 /prefetch:2
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:1468
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4896 CREDAT:17416 /prefetch:2
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:3712
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\system32\svchost.exe
              5⤵
                PID:1512
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 208
                  6⤵
                  • Program crash
                  PID:744
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3260
                • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                  6⤵
                  • Modifies Internet Explorer settings
                  PID:4020
              • C:\Users\Admin\AppData\Local\Temp\lvlsffdxudxvplsd.exe
                "C:\Users\Admin\AppData\Local\Temp\lvlsffdxudxvplsd.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3156
                • C:\Users\Admin\AppData\Local\Temp\lvlsffdxudxvplsd.exe
                  "C:\Users\Admin\AppData\Local\Temp\lvlsffdxudxvplsd.exe"
                  6⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1580 -ip 1580
        1⤵
          PID:2200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1512 -ip 1512
          1⤵
            PID:3368

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FIQ3I0MW\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Temp\Pdf4513

            Filesize

            100KB

            MD5

            c43c51d12dab7d81aa13e6a16af1e6d0

            SHA1

            1fb4751c7831a1c8ceab47bfc869e95e1dd06af5

            SHA256

            5a388b21e1ec19fd9a99f154cb863b6cc4c5bbefd75c7dd81bf781408e69e2f6

            SHA512

            7bafb0bf2437232cecbef7c0e0c1cb459db5267a23cb1309dbd3689dce095f92b7875d6921fd123505e9008bb40713f9243525db0da3abc897ec9a010ee33a91

          • memory/448-0-0x0000000000B00000-0x0000000000B01000-memory.dmp

            Filesize

            4KB

          • memory/448-4-0x0000000010042000-0x0000000010043000-memory.dmp

            Filesize

            4KB

          • memory/1132-15-0x0000000000590000-0x0000000000591000-memory.dmp

            Filesize

            4KB

          • memory/1132-21-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-13-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-12-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-16-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/1132-17-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-9-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-6-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-30-0x0000000077D82000-0x0000000077D83000-memory.dmp

            Filesize

            4KB

          • memory/1132-10-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-27-0x0000000077D82000-0x0000000077D83000-memory.dmp

            Filesize

            4KB

          • memory/1132-23-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-28-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1132-29-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB

          • memory/1580-19-0x0000000000450000-0x0000000000451000-memory.dmp

            Filesize

            4KB

          • memory/1580-20-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/4364-52-0x0000000000400000-0x0000000000432000-memory.dmp

            Filesize

            200KB