Analysis

  • max time kernel
    96s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 08:45

General

  • Target

    JaffaCakes118_78c0f47c22df8b727fbe9bca387b0cf6.dll

  • Size

    156KB

  • MD5

    78c0f47c22df8b727fbe9bca387b0cf6

  • SHA1

    7cd6bfc2cb3794d2a71d4dd48a3abeeb75f89b14

  • SHA256

    8b71107b3a3edfbfd384f623cc1bda94828e62189b24d34fec04839a7e474f11

  • SHA512

    f0b08bc187ba6e7234c25f24aec1b8a1244f555be7f2c766047c2f33408dd55217ccc980b175f2c0cb2379f67f101322554bb0b4d35af602456b636631023325

  • SSDEEP

    3072:tZTFpmROg9G/ztpbaEdFAZKPxnL1RSaVPgb6R5Kvr:+9YzpFxLTSGYb638

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 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 36 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 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78c0f47c22df8b727fbe9bca387b0cf6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78c0f47c22df8b727fbe9bca387b0cf6.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3560
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:8
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 204
              5⤵
              • Program crash
              PID:3168
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4664
            • 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:2008
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2008 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:540
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2008 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1868
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:516
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 516 -s 208
                5⤵
                • Program crash
                PID:3232
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4812
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:2780
            • C:\Users\Admin\AppData\Local\Temp\iqjamxxrdswijylh.exe
              "C:\Users\Admin\AppData\Local\Temp\iqjamxxrdswijylh.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:4796
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 632
            3⤵
            • Program crash
            PID:4972
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 8 -ip 8
        1⤵
          PID:5008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 396 -ip 396
          1⤵
            PID:4500
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 516 -ip 516
            1⤵
              PID:4384

            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

              8fad2e07a4c7a80a9b50d87e76420c29

              SHA1

              7faa7310d52e1b97b5f7597dda3fa439f4ec04d8

              SHA256

              be210b4b624d55d076fdc5b6d9f6b98acb116c646e43c56e52790d910bca942d

              SHA512

              459a02e6817f3ba0a1edc2590a266a772127f39f651c9a5ee1170fbaefedeadff6a6ff948f97ed09670413dabe611c2c34e00e7600b4ff501455c35776da7895

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

              Filesize

              404B

              MD5

              8f6ccf890c77d5df088819e44bbcbb81

              SHA1

              8a1722f2e95b36fd734a7221c1cef32949821a1a

              SHA256

              cad7b38f9c6e01850b3061fded89bfb15bdc4974b9fcdf3272d60b94df8e58b6

              SHA512

              03477c6c5fd46300b966e02a041103c807abaa4d8e9b4687358aff295a63a02003b6d038bb641d6e26578544d0dc15b855d2267eec42c89a9b2d67ab20bd5b83

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Windows\SysWOW64\rundll32mgr.exe

              Filesize

              111KB

              MD5

              01d78731e0877a900ba8777f796b1e70

              SHA1

              fcb262d14c928c5b23aa377222bcba6ed0f8fa4a

              SHA256

              1b834256d4ed7160962cbd6b87ccdb1833853f69aaf271ac74af6dcd013d029b

              SHA512

              ee177f1536d2dcacee156b3367e9bec01760a214bb61538041ebd4d178c13a3b8f829e2826c8d2339ba8041eaf53929cebc86bf3e7b22dbeb9b314e30fe5143a

            • memory/8-13-0x0000000000700000-0x0000000000701000-memory.dmp

              Filesize

              4KB

            • memory/8-12-0x0000000000720000-0x0000000000721000-memory.dmp

              Filesize

              4KB

            • memory/396-14-0x0000000074F40000-0x0000000074F6B000-memory.dmp

              Filesize

              172KB

            • memory/396-0-0x0000000074F40000-0x0000000074F6B000-memory.dmp

              Filesize

              172KB

            • memory/3560-10-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/3560-23-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/3560-15-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/3560-16-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/3560-20-0x0000000077502000-0x0000000077503000-memory.dmp

              Filesize

              4KB

            • memory/3560-18-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/3560-22-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/3560-9-0x00000000005A0000-0x00000000005A1000-memory.dmp

              Filesize

              4KB

            • memory/3560-24-0x0000000077502000-0x0000000077503000-memory.dmp

              Filesize

              4KB

            • memory/3560-7-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/3560-6-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/3560-4-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/3560-48-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/4796-45-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB

            • memory/4796-46-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/4796-41-0x0000000000400000-0x0000000000437D10-memory.dmp

              Filesize

              223KB