Analysis

  • max time kernel
    94s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 06:35

General

  • Target

    JaffaCakes118_149236224fb0673cd3504a98d6f4f86e.dll

  • Size

    228KB

  • MD5

    149236224fb0673cd3504a98d6f4f86e

  • SHA1

    6e391551330c51291e009bcedda38e40bc96c0ef

  • SHA256

    35f516c0ccd34fce695a3503248f4facfa1344fbb31f33c48f610d9019978984

  • SHA512

    45bbf66608abf70aba68dda0ab17482998c12829c9d859c32c16ec0012fca92ff5726aeb6aa1dfe4772550d7bf1c6c7038b33747ade0b6b67c94e4dfefb3dc11

  • SSDEEP

    3072:P0NbrbkYHUyP9eECVWfpIhbWoVnW6IioARoKO7JurqeBTg4vRP86TvOB5n+902kx:0rkYHjIWeWcd71bynXPgatfXQ+9DzYLI

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 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 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 45 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\JaffaCakes118_149236224fb0673cd3504a98d6f4f86e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_149236224fb0673cd3504a98d6f4f86e.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2512
      • 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:1056
        • 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:840
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4892
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 212
                6⤵
                • Program crash
                PID:2592
            • 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:2824
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2824 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2260
            • 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:1640
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 608
          3⤵
          • Program crash
          PID:4876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2512 -ip 2512
      1⤵
        PID:1568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4892 -ip 4892
        1⤵
          PID:1484

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          471B

          MD5

          2c48c73220d62a8faffe599e95896274

          SHA1

          452cd4222360fe7e881055d815ec65a2bbac564b

          SHA256

          35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

          SHA512

          6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          404B

          MD5

          3a64678a5762f5542d529df4d5942f06

          SHA1

          8b8649d75e7b9618f823b261bd2be833ad892703

          SHA256

          b320c07c06f615eb1ea68dc62bf53f122fee3653b478910fd34aeebf245757a8

          SHA512

          86d528c5ccb7fda0fe78fbcdce5124b88a4f1ac81441c6798391a914e3eaa29afa373d7a85f0a942c3decaf454bf903580e1bfdd5b59985e17f38dcc7702beee

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{4D260ADE-D954-11EF-B319-CEB9D96D8528}.dat

          Filesize

          5KB

          MD5

          12f6ba729ea1f54f67f5414f22c32a4d

          SHA1

          b7eda918ce4cccfe516b675ac58fab8d3035dba7

          SHA256

          9dfac9734d7d14397fc36ce1db09c2d23949a9f6b1622d2fe2b2ec5e53c82350

          SHA512

          aa34f935c4f8de84378810d552099856639e2ab74364b610040ef14887d019a17f3ead65a0e59443064d954573159ebf30276fb704972da49a597c90c3837227

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{4D286D87-D954-11EF-B319-CEB9D96D8528}.dat

          Filesize

          3KB

          MD5

          be625f9ec8dc54b00792db1d1941ac73

          SHA1

          7f7d06f176fe9a29a65980be0fd8acfeb7f30547

          SHA256

          9155a35473acef701a817c024d7a74d8e83f798df420f6a52ed5296f8df851a1

          SHA512

          12c5da266bdeaa9594634530dfa9806aa553976b5c9c176c000ccbfabb98dba211be95e92fd47ee07f2d6c474577fe72c4e54d941b1e6f15e798f3404b3db8bf

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          60KB

          MD5

          94f2f6ffbba8e7644668b51b39983916

          SHA1

          63357bbdf90101969117983dbc0d4ed0e713c4d7

          SHA256

          ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

          SHA512

          d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

        • memory/840-36-0x0000000077662000-0x0000000077663000-memory.dmp

          Filesize

          4KB

        • memory/840-34-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/840-26-0x0000000000900000-0x0000000000901000-memory.dmp

          Filesize

          4KB

        • memory/840-40-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/840-39-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/840-29-0x0000000077662000-0x0000000077663000-memory.dmp

          Filesize

          4KB

        • memory/840-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/840-35-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1056-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1056-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1056-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1056-10-0x00000000001B0000-0x00000000001B1000-memory.dmp

          Filesize

          4KB

        • memory/1056-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1056-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1056-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1056-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2512-33-0x0000000075090000-0x00000000750CE000-memory.dmp

          Filesize

          248KB

        • memory/2512-1-0x0000000075090000-0x00000000750CE000-memory.dmp

          Filesize

          248KB

        • memory/4892-31-0x0000000000130000-0x0000000000131000-memory.dmp

          Filesize

          4KB

        • memory/4892-32-0x0000000000110000-0x0000000000111000-memory.dmp

          Filesize

          4KB