Analysis

  • max time kernel
    92s
  • max time network
    133s
  • 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 02:20

General

  • Target

    JaffaCakes118_51b11002829c4274ca5798865731fb87.dll

  • Size

    212KB

  • MD5

    51b11002829c4274ca5798865731fb87

  • SHA1

    7be17159c9d4b93bf02c30896bfbd60588ff2331

  • SHA256

    4ff47586e3f8485e96c22b910531726ab6b88591e89e046ec62af4ee35ee5324

  • SHA512

    a51cd3c66766c3cacc54cf794506ae4af82367cb51afb5b3dd8c9ec747146258cd4010ab3749801728b497da0b67ef9394c14a195299d066dc5208fab33dd091

  • SSDEEP

    3072:mdcQ2ZNMSQvbajUTUItjT68+xQXPV9pcskdSoR+szFJmrGFyS:AATSOjUQK5PrRkcw+6JXFz

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 13 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_51b11002829c4274ca5798865731fb87.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51b11002829c4274ca5798865731fb87.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2264
      • 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:1524
        • 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:4244
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4628
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 84
                6⤵
                • Program crash
                PID:3156
            • 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:2100
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2100 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4088
            • 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:1200
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1200 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4628 -ip 4628
      1⤵
        PID:4620

      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.{7490EE7C-DEDF-11EF-B9C0-4AD58E01712C}.dat

        Filesize

        3KB

        MD5

        f72bcf3762bb9cc60842e32fbe03c7a0

        SHA1

        f37218c5d313cae5ac812736cd42393c3857c99c

        SHA256

        386a7f7bdc3fd35c5e768dd77837703a71997f2c17ae214abaaa6a4fb1371b88

        SHA512

        488d1d9e18bad99a7dcdc6326180256466763283a128dd23c55f4c3396a3f77e9ec869ab324399f8381a9f435efd9d2983c14ff4a2800284e1b28fccf48b8700

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{749350E9-DEDF-11EF-B9C0-4AD58E01712C}.dat

        Filesize

        5KB

        MD5

        07602f6ec36edf5d9157572c45293312

        SHA1

        0ce11213301b45fc89ec238ec0959498fe3b43da

        SHA256

        0517bf97da583ef745b2e7dd68221ecdbe2e4b404dc39a1e9e014348fb658783

        SHA512

        d63d4d6fa2ac8ef0866c8a5241cfd1e25c5f118ee7fa33fdd5d302ed2a273fa66af36ee740274377ef85fcb2f53bb438358f06bf0747b3af077714e770f056cb

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SXHNX8M2\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/1524-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1524-21-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/1524-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1524-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1524-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1524-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1524-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1524-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1524-11-0x00000000008A0000-0x00000000008A1000-memory.dmp

        Filesize

        4KB

      • memory/1524-5-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2264-0-0x0000000010000000-0x0000000010037000-memory.dmp

        Filesize

        220KB

      • memory/4244-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-32-0x0000000077012000-0x0000000077013000-memory.dmp

        Filesize

        4KB

      • memory/4244-36-0x0000000077012000-0x0000000077013000-memory.dmp

        Filesize

        4KB

      • memory/4244-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4244-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-31-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4244-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4628-35-0x00000000007F0000-0x00000000007F1000-memory.dmp

        Filesize

        4KB

      • memory/4628-34-0x0000000000A10000-0x0000000000A11000-memory.dmp

        Filesize

        4KB