Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 10:09

General

  • Target

    JaffaCakes118_888079019a364cc64fd193bcc906e4bb.exe

  • Size

    95KB

  • MD5

    888079019a364cc64fd193bcc906e4bb

  • SHA1

    2a5cb8bbeb0e6785a39ebf6b372146aee779fa73

  • SHA256

    15d31b5ae0e2a6d3be5b6d275c3884199eb1107767f85451aabd82bac90246d5

  • SHA512

    8d8404f8cb9472252ec16f58641b415239e4db428603ac425fef21bba559d57a55bff0582bafd04b62e86afb4920b99f7400589cef0ded1a7fc342388cde77f9

  • SSDEEP

    768:Q06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:eR0vxn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 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 4 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_888079019a364cc64fd193bcc906e4bb.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_888079019a364cc64fd193bcc906e4bb.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • 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:4872
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3088
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 204
            4⤵
            • Program crash
            PID:3184
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3000
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3000 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2780
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:228
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:228 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3088 -ip 3088
      1⤵
        PID:4808

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        95KB

        MD5

        888079019a364cc64fd193bcc906e4bb

        SHA1

        2a5cb8bbeb0e6785a39ebf6b372146aee779fa73

        SHA256

        15d31b5ae0e2a6d3be5b6d275c3884199eb1107767f85451aabd82bac90246d5

        SHA512

        8d8404f8cb9472252ec16f58641b415239e4db428603ac425fef21bba559d57a55bff0582bafd04b62e86afb4920b99f7400589cef0ded1a7fc342388cde77f9

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

        Filesize

        471B

        MD5

        eec6845b257a7c8f95b25485b3666ae4

        SHA1

        79e6f675b80bc885bda844e766088a62d84ded75

        SHA256

        70a3cfb8ce21db27ecfb8143c459eda8218c5f7a0db0945c3117cbf5c180eb6d

        SHA512

        b6ceaabb99fb2011f9dd6ae4b59e3435c397204fcd4b3168e65d6616a85d49d13f80cd11a191e223609538d4f144103757f730c61acd21f4053bb5ecb6fb4f1f

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

        Filesize

        404B

        MD5

        1cf58ff1076ef0c435404853afebb231

        SHA1

        06f4a63245bca5f7c11750c5df041fd65534d3c1

        SHA256

        531054a08b4c75bf01f5aeb010792912aa0a6e681296df576c0f316023b84d87

        SHA512

        cc66171ac90e9486bcd02ce01d1ba67cdaaf696d88d6c0e17d00e678073f4298f80dbc94793da1b83905316e58881383a67fb1669dce08f33a6a77529e977ad0

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

        Filesize

        404B

        MD5

        0e77793a25ca9fa087b4b0416cf2df6b

        SHA1

        9bb3a2b91957bb42377541a845621a1786a922d3

        SHA256

        9a5a847e4f05aaa41a6d191d72a998285fdce1ef9489c7cbb316df3c32cb0612

        SHA512

        7c1b287210a21961d56fbc2595767404c7974e85273c1c05f468f443f2dcc3f243752520bc9a91e8a552dc42b175db01609e9f172cca6ef944def4a900ad8b45

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{32A0FF7B-D4BB-11EF-B9D5-D6A59BC41F9D}.dat

        Filesize

        5KB

        MD5

        a9d9979119c78ec4f6a6d87c99fcdd80

        SHA1

        2f9115e5d5e30a6624cc0c84590abcf6d7db0363

        SHA256

        10dcdd985c392250dd74c6ad8047ec188fe248449c7625d2f96b90f6681eca97

        SHA512

        8e5bdca91fe614312c7f95909e2c37ca21a06854ddd34bff407a711be64bd5743a73684dc37f94bdbef4cb1283c0ebc72a746011e894e287ab95e9ca7fea3763

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{32A36182-D4BB-11EF-B9D5-D6A59BC41F9D}.dat

        Filesize

        3KB

        MD5

        51c9da063c98f962442c07e0c74293b2

        SHA1

        97f2b56620f3aed41c866193b01f0ded32d823bc

        SHA256

        dc26006fed77af170f20d7fea3418e9569fb7182aa70733af981eecd20a44941

        SHA512

        a1ac910bf95b040155996bce4d21a54645e8dc9cb8c3b61bdc4d2c27e9a47f1bab551b647fd74060e8dae7b5e96db275c16b3ab9f1a589b408266b87e7a3acca

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

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/3088-32-0x00000000006B0000-0x00000000006B1000-memory.dmp

        Filesize

        4KB

      • memory/3088-31-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/3964-17-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/3964-2-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/3964-3-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/3964-7-0x00000000008A0000-0x00000000008A1000-memory.dmp

        Filesize

        4KB

      • memory/3964-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-0-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/3964-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4872-34-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

        Filesize

        4KB

      • memory/4872-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4872-28-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

        Filesize

        4KB

      • memory/4872-37-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4872-39-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4872-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4872-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4872-18-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4872-25-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

      • memory/4872-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4872-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB