Analysis

  • max time kernel
    93s
  • 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
    02/01/2025, 03:25

General

  • Target

    JaffaCakes118_625e3a7e5f9a2cf1635b29ca6ba5517f.dll

  • Size

    216KB

  • MD5

    625e3a7e5f9a2cf1635b29ca6ba5517f

  • SHA1

    754fb2313c3983cc1a9dd5265a8e49556b6f19fa

  • SHA256

    5cdf60e819a14326c76398a12ba718764b4f0136139f817e5881e6b143f9b202

  • SHA512

    7a9893a48495aa0df77ab191720b684c31bd569aae33351dd1a25b96148cf7754d6052d163df6ba3aa7aee9c54212a12030cbd575a9eb44b1eee820ab1e2e6eb

  • SSDEEP

    3072:6HC8gubt4tiYTGsH/qQsEoIk90HgChEITlwsMqMKFOC7eHm:XUjsHyQ/HgmVwLyOvm

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 38 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_625e3a7e5f9a2cf1635b29ca6ba5517f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625e3a7e5f9a2cf1635b29ca6ba5517f.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1376
      • 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:2072
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:3484
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 208
              5⤵
              • Program crash
              PID:344
          • 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:2196
            • 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:2500
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2500 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:404
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2500 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1156
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:548
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 208
                5⤵
                • Program crash
                PID:3024
            • 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:4804
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:3128
            • C:\Users\Admin\AppData\Local\Temp\jgoyxalgvtundbxf.exe
              "C:\Users\Admin\AppData\Local\Temp\jgoyxalgvtundbxf.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2676
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 608
            3⤵
            • Program crash
            PID:1712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1376 -ip 1376
        1⤵
          PID:3884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3484 -ip 3484
          1⤵
            PID:3460
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 548 -ip 548
            1⤵
              PID:1596

            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

              30f59b20e935520badc298242cb4cff1

              SHA1

              00622b2054eb148a8459c2ccd0b22606c2d5c7f6

              SHA256

              4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

              SHA512

              f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

              Filesize

              404B

              MD5

              efff1626c5a41be311038dee3969b3de

              SHA1

              81af91ad48baae06e10a9f059564f626ab7f4c45

              SHA256

              fd76116d16fb09cc7e99cb5e4b39a92d9570f67d8ab67098540603564bd832ba

              SHA512

              c15ce05eea043199f1477c91fadff8cd808e552e89a05bfb46b9100643c5b55fb3b1dd04004e20ade5c9b5528561406fb0a447f083551976d049a803b438545c

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver4AEF.tmp

              Filesize

              15KB

              MD5

              1a545d0052b581fbb2ab4c52133846bc

              SHA1

              62f3266a9b9925cd6d98658b92adec673cbe3dd3

              SHA256

              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

              SHA512

              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Windows\SysWOW64\rundll32mgr.exe

              Filesize

              111KB

              MD5

              c05d7be48e120bb1198419928f912f89

              SHA1

              d907471285ddf49d3d6fc6bdd5fff1bd66f56914

              SHA256

              0692c7a3c021c871542a7b13cc65ae7ad53dd00ba5b955b29ac48565b31c091f

              SHA512

              538442c9b39a49fb82edd8b057a5b32132cb366c8c91cec1ba960e885393a38d7c525dace2c727dfec19e15ad4c38a1fc9092bf5fcd8978a7e4cc07a7b80432f

            • memory/1376-16-0x0000000010000000-0x0000000010036000-memory.dmp

              Filesize

              216KB

            • memory/1376-1-0x0000000010000000-0x0000000010036000-memory.dmp

              Filesize

              216KB

            • memory/2072-9-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2072-24-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2072-4-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2072-5-0x000000000042A000-0x0000000000438000-memory.dmp

              Filesize

              56KB

            • memory/2072-11-0x0000000000580000-0x0000000000581000-memory.dmp

              Filesize

              4KB

            • memory/2072-17-0x000000000042A000-0x0000000000438000-memory.dmp

              Filesize

              56KB

            • memory/2072-21-0x0000000077052000-0x0000000077053000-memory.dmp

              Filesize

              4KB

            • memory/2072-19-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2072-23-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2072-13-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2072-25-0x0000000077052000-0x0000000077053000-memory.dmp

              Filesize

              4KB

            • memory/2072-6-0x000000000042A000-0x0000000000438000-memory.dmp

              Filesize

              56KB

            • memory/2072-8-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2676-47-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2676-51-0x0000000000400000-0x0000000000437DE0-memory.dmp

              Filesize

              223KB

            • memory/2676-52-0x000000000042A000-0x0000000000438000-memory.dmp

              Filesize

              56KB

            • memory/3484-15-0x0000000000A00000-0x0000000000A01000-memory.dmp

              Filesize

              4KB

            • memory/3484-14-0x0000000000A20000-0x0000000000A21000-memory.dmp

              Filesize

              4KB