Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 17:00

General

  • Target

    JaffaCakes118_238dbbe1599cf0eff8dcd7753296a5e6.dll

  • Size

    211KB

  • MD5

    238dbbe1599cf0eff8dcd7753296a5e6

  • SHA1

    485f2fffb6063b8784824835b1cb8c148c00ad2d

  • SHA256

    9a129bccb57cdc384061c4ef7bc1e488a3b763b88413c6d12f894e46868bd46a

  • SHA512

    586823579216476ba1738e97383106797084a646c9529903ec72ba11aa100bb5226507e737758a67e5bd5f27969d7d105c7e19cd6037fbbf016b14469fe41885

  • SSDEEP

    3072:TnMoFkOKCg3CXmSSZlzgeBTg4vRPo5NNFs+XNtUU/chmcFTulOVq5pNOKVtqYarv:TMJOWK4l0wqOVq1zV4jrA7n08O4I

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 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 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_238dbbe1599cf0eff8dcd7753296a5e6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_238dbbe1599cf0eff8dcd7753296a5e6.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3584
      • 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:4836
        • 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:996
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3440
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 204
                6⤵
                • Program crash
                PID:2632
            • 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:212
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:212 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4416
            • 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:2188
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2188 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
      1⤵
        PID:3532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        471B

        MD5

        ce36378334f2edb4e728e0632afebb70

        SHA1

        89d54efcb8c7bbe532e5ad91b38468279d3f5c93

        SHA256

        6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

        SHA512

        3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

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

        Filesize

        404B

        MD5

        3426907209714806fc944eca3616c3b4

        SHA1

        b60c215c6f5f7f1323637cb53bac4ed1d18cadfd

        SHA256

        b27eefd2e1db8d9cfeecab24c5d5f61527d3cf6e77fa557aeaf008b287e2dd73

        SHA512

        096b0f2c74145cfe8c35631067a941414f2726a780e04671d4e100ce9ba2c3e291901c59fd81c2d3d54bda24b823c3a9e21af1d11c526999cbd1be25b5f06e9a

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

        Filesize

        404B

        MD5

        3e54eed22f5b62446d495f3569f461c0

        SHA1

        36571de8c3c7075975d0d9f346f18b1a02a5844b

        SHA256

        cf2d999badbad900488327590781248dc45bbe616dbc3d5016ddccfe074a4193

        SHA512

        501bedebdfddb4bb304f17c724e7255e5f3741453fa480002386487850bc2e6c6778309ddcbb984f28c58276853db178a7901974c153ce8b5383d92977375321

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C1FE057B-DA74-11EF-BDBF-FA9F886F8D04}.dat

        Filesize

        3KB

        MD5

        6d919fb59b73af5599cec37d025e3633

        SHA1

        57e392efe76cd7c5f7f487db0559aabfd982859c

        SHA256

        b33ae3682d2938eeebfbb5405f2a42a875ecd6fbccb2c5f16ff55cf44dfb376f

        SHA512

        84abc8f905fc0682e1ce1a8ef896914e97084f055b987c7a162a3aaad52b1bfd4224c615e69c4776c2e19413529856b43367caff9c55020d73499fd73431500e

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C20067B0-DA74-11EF-BDBF-FA9F886F8D04}.dat

        Filesize

        5KB

        MD5

        7679a09daf0838401520df4cefb010c5

        SHA1

        4abddaea63a69026b9a3aab39baf5c03356f0d30

        SHA256

        8e831749b79babd2c08f08164e92630565d44dd17e548074fec0e7e75f7532c6

        SHA512

        59ba2038f2127fc3d38987c3a9c8eff902ae1366bfa49bbdf87bf4cae6e78672787b2cfa7ceae63a15c844aa01ba308561033509143384b80cc4482a79503fba

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\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/996-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/996-37-0x0000000077032000-0x0000000077033000-memory.dmp

        Filesize

        4KB

      • memory/996-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/996-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/996-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/996-29-0x0000000000910000-0x0000000000911000-memory.dmp

        Filesize

        4KB

      • memory/996-31-0x0000000077032000-0x0000000077033000-memory.dmp

        Filesize

        4KB

      • memory/996-35-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3440-34-0x0000000000130000-0x0000000000131000-memory.dmp

        Filesize

        4KB

      • memory/3440-33-0x0000000000150000-0x0000000000151000-memory.dmp

        Filesize

        4KB

      • memory/3584-0-0x0000000010000000-0x0000000010039000-memory.dmp

        Filesize

        228KB

      • memory/4836-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4836-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4836-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4836-5-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/4836-11-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/4836-21-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/4836-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4836-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4836-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4836-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB