Analysis

  • max time kernel
    96s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 22:19

General

  • Target

    JaffaCakes118_07ef3f60fd895473fc0ade1dcb56c9c7.dll

  • Size

    227KB

  • MD5

    07ef3f60fd895473fc0ade1dcb56c9c7

  • SHA1

    aa2868b55b0c707832881d5506ed02633b9b61d1

  • SHA256

    2c7a3ac7722902e9e76ccb83ae42f83f932b49ce1fa2037a2dcb834e5864fa59

  • SHA512

    91c77bab0decc35368c731647aedbe133fba08feb7d1c7f234035f51a7c3148372e4867443e012f354943052ff78b43f2800fc41607f23c10510715fc0392e17

  • SSDEEP

    3072:2CuuNCRs/Pj03pJEEC9ti9pocimFFVW6E1fZim4v5TRRJBYeBTg4vRPW9vc/Bm6a:2CIGPj038tAgFMldWNX+fFfT7h0TD

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 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 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 47 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_07ef3f60fd895473fc0ade1dcb56c9c7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07ef3f60fd895473fc0ade1dcb56c9c7.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4424
      • 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:2896
        • 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:768
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1052
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 212
                6⤵
                • Program crash
                PID:2108
            • 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:1144
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1144 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4260
            • 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:4016
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4016 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 608
          3⤵
          • Program crash
          PID:1944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4424 -ip 4424
      1⤵
        PID:3760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1052 -ip 1052
        1⤵
          PID:64

        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

          fbd57568c7e969025fd7a77d6a9e5f45

          SHA1

          d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

          SHA256

          b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

          SHA512

          c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

          Filesize

          404B

          MD5

          42e34e4cf1a7e0baf237efa7f130fd66

          SHA1

          93199236af3dd44e7552789c2d45c30c044b596c

          SHA256

          d95841e5d9354f76ea6bd3636911b6de71196b3ccbda25833939c269440f6e29

          SHA512

          7754e005564daa738872929e948ce204edd0448fdb54e9b8011d6f4316e9a54ead96c32bd595669b803e3efc22f6d797c3bad9f860a389b7e56fe20c20757df5

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

          Filesize

          404B

          MD5

          a2cceccdb0d9a4eb25131405507c37e8

          SHA1

          f6cbce22cf4d2ac4a451018c9fd5a1df72d8d430

          SHA256

          e3f91076193614f0c8ee47a031ff9d460e97bf461bcb59d53fea114f917f1953

          SHA512

          e3085a541d56f7861cf109f83b773e6e65fadd69f458987b24f27cb8cf0afec66761d7374279b285cc51489b6d1171d8a87d3d833e9fa639755908d6042e8d6e

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C8EF2F5E-D845-11EF-AF2A-EE8B2F3CE00B}.dat

          Filesize

          3KB

          MD5

          d73dd25e0c534b8f60728f57cd8bf1d6

          SHA1

          fec7cba4f7bbfeea40d0ea485a79b2808eaa930c

          SHA256

          aad54fde10bcdba10f4c405ecd5aeaadd19f80848a04ac73b2a1cc46c5e7852f

          SHA512

          bda460dbeefa3cf828a79c595391dec7b480408bec3be2029aa48a52a0ab6079917a8f477c4ee0bc008f26cd78b56732151a2aac3e491ba63c168fe2e0065991

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C8F19243-D845-11EF-AF2A-EE8B2F3CE00B}.dat

          Filesize

          5KB

          MD5

          0e7a9586eacc5833e7de7e016fd7cc19

          SHA1

          acc7c0bc2fa4601857f5bbdd533cd7ad8c75600d

          SHA256

          4431e4985968592fad475cd33ea79e35afac66d93b5c1f4666e196bd193e2303

          SHA512

          af1c542624d5d80dfa01ca7e0d70692cdc3087bae567f00ea3fb97aae3a694f4125f2bbbe046129b46ea32f0b61dfb9889b5bb043413b55a33bf4332399c3200

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          60KB

          MD5

          3415fed3f548aa608bea2eec3d58d410

          SHA1

          8a6cfec1af581ef12be3babc53a6d4f0993ab63c

          SHA256

          74a8fb4e02cc4e2e191028cada37bf585da2cd5ccb14baa0ecf14a47d03a5879

          SHA512

          1ccf854530e20ac3c942e0f1b213228e0b3834ada6de538fdd93f0ba6e7b68e31b0c5eb10ccc826de9cdf22507ad10b88e40a531b3e0ed7fbe108b126a08aa9b

        • memory/768-35-0x0000000077062000-0x0000000077063000-memory.dmp

          Filesize

          4KB

        • memory/768-28-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/768-39-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/768-27-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/768-30-0x0000000077062000-0x0000000077063000-memory.dmp

          Filesize

          4KB

        • memory/768-36-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/768-34-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/1052-31-0x00000000003B0000-0x00000000003B1000-memory.dmp

          Filesize

          4KB

        • memory/1052-32-0x0000000000390000-0x0000000000391000-memory.dmp

          Filesize

          4KB

        • memory/2896-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2896-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2896-10-0x00000000008E0000-0x00000000008E1000-memory.dmp

          Filesize

          4KB

        • memory/2896-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2896-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2896-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2896-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2896-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4424-33-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/4424-1-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB