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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 14:02

General

  • Target

    JaffaCakes118_57e216dd583d1e0bd994370d9cc06add.dll

  • Size

    128KB

  • MD5

    57e216dd583d1e0bd994370d9cc06add

  • SHA1

    03bb0870d94181ea3719b32838618dae3d391565

  • SHA256

    2353ca7bfff8ffaaced210c1a51fc804058677b0e5f15ba5fe0b157676cee4b6

  • SHA512

    3b3ae56cafd9eda3c73c3b455b274d5229c5a97f19aeb816b1efa49d7cca2d358e62c1bc1d6cc1379a62dca49c039704ec031373a77c745898d48cc41a482c58

  • SSDEEP

    3072:D9DXmroY9wjVpDFZ/ok8YwiLveB+Qhh04dOQM:DtqsN/vIyWgQh/

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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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_57e216dd583d1e0bd994370d9cc06add.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57e216dd583d1e0bd994370d9cc06add.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:680
      • C:\Users\Admin\AppData\Local\Temp\SC4O823
        "SC4O823"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:2176
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 204
              5⤵
              • Program crash
              PID:4896
          • 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:3528
            • 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:4456
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4456 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2904
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4456 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:532
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:2952
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 216
                5⤵
                • Program crash
                PID:4588
            • 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:4988
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:5088
            • C:\Users\Admin\AppData\Local\Temp\yancenlpctevjeqc.exe
              "C:\Users\Admin\AppData\Local\Temp\yancenlpctevjeqc.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2176 -ip 2176
        1⤵
          PID:3356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2952 -ip 2952
          1⤵
            PID:368

          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

            30f59b20e935520badc298242cb4cff1

            SHA1

            00622b2054eb148a8459c2ccd0b22606c2d5c7f6

            SHA256

            4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

            SHA512

            f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

            Filesize

            404B

            MD5

            751a49edda67161833377e61a5df624c

            SHA1

            0e1a3c226792440c61b2cec1b427741c591b50e0

            SHA256

            3588c97ec9a1d41996cc07fbb560eb77a6c6e96c00eaba85f3e61c7ab85a4a37

            SHA512

            c74ab7df425074c5cd5d62860065e6a14518ca1eed02b63beaf106bcb2d0aead5daa954b3c02688aebf9393b189330d09814d3087e227073f03b5d05516c021e

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3D33.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:\Users\Admin\AppData\Local\Temp\SC4O823

            Filesize

            94KB

            MD5

            2c1f8a0fa5ea49ef80bb7f6cdcdd946f

            SHA1

            29e1a5bb66437404e04bb13b2f77b7876ab794cf

            SHA256

            1a21cfd3103820715d2c6b13282a4002f08a0e56b034bce24de1726185ef73b4

            SHA512

            053b48b147495c576f2f6ce8add509613949056355d6518cf345ad4e8959690e194f0a79b9eb42fc78a57a5d8bd9b45913202be635a762a02f939a83b8a5213b

          • memory/312-51-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/312-53-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/312-54-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/312-48-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/680-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1508-10-0x00000000005C0000-0x00000000005C1000-memory.dmp

            Filesize

            4KB

          • memory/1508-15-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1508-22-0x00000000773F2000-0x00000000773F3000-memory.dmp

            Filesize

            4KB

          • memory/1508-19-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/1508-23-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/1508-25-0x00000000773F2000-0x00000000773F3000-memory.dmp

            Filesize

            4KB

          • memory/1508-24-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/1508-16-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/1508-4-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/1508-6-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1508-12-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/1508-47-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1508-9-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/1508-7-0x0000000000400000-0x0000000000439B84-memory.dmp

            Filesize

            230KB

          • memory/2176-13-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

            Filesize

            4KB

          • memory/2176-14-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

            Filesize

            4KB