Analysis

  • max time kernel
    94s
  • 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
    01-01-2025 12:13

General

  • Target

    JaffaCakes118_54a583d68acdc3f79758c9cfb3ec1331.exe

  • Size

    121KB

  • MD5

    54a583d68acdc3f79758c9cfb3ec1331

  • SHA1

    6f889c850f1a44826c536579c89dabe3efb12d02

  • SHA256

    ba7cf70d332aa26269e5082f208268d281075ada4dfa8b8c41e28b665cd5d5f7

  • SHA512

    856a5ba9222dc31da050f5d900bb5d63d3eb313bfd1736955410c193248bd6fe35e9189cbc09011b099e5ccf2b967f58b10928931a8fee36127efe00edb92f98

  • SSDEEP

    1536:UNxf0u7YnqMGGGMZZZyVb1t9e4GNqBvrPzO7/YiMIATcjid2nkOIisyMD5:0xf026qbJ1y4GNq5jz+/YiMaY2nkQTM1

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 11 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 51 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_54a583d68acdc3f79758c9cfb3ec1331.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54a583d68acdc3f79758c9cfb3ec1331.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3940
    • 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:4716
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3728
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 204
            4⤵
            • Program crash
            PID:3660
        • 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:1840
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1840 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3320
        • 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:4800
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4800 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3728 -ip 3728
      1⤵
        PID:2544

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        121KB

        MD5

        54a583d68acdc3f79758c9cfb3ec1331

        SHA1

        6f889c850f1a44826c536579c89dabe3efb12d02

        SHA256

        ba7cf70d332aa26269e5082f208268d281075ada4dfa8b8c41e28b665cd5d5f7

        SHA512

        856a5ba9222dc31da050f5d900bb5d63d3eb313bfd1736955410c193248bd6fe35e9189cbc09011b099e5ccf2b967f58b10928931a8fee36127efe00edb92f98

      • 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

        18906dea4a2ead324b5e952f2487c3c0

        SHA1

        3e7149184bd02f3ce1ce0590fac6fdb00f056745

        SHA256

        9b23a689fe04e3915ca84f84b5e211ce6715ff1a756c9b6f31737ee57f86d890

        SHA512

        f7a02da1cac2d7c43d5750b67c68453c006ae136688472125a88c2692fb1c56b31824fab3fc53a8bb3b81a822a97eefd6cea0d2a0e9dbd13f7663fa9cd046c20

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CF9FCA58-C839-11EF-A4B7-CEB9D96D8528}.dat

        Filesize

        5KB

        MD5

        4e8508c0a5dd855ca54b2f869d7a1e70

        SHA1

        4bb735d09199860c58d026ae9ea653ba3b00c8d7

        SHA256

        6a0ce442ebaafdc214033a60a362e43d48080a79d5dcc1c73d9609e6f9032431

        SHA512

        bae10232377c4a168a39d4c263ad1290fcf7a6b9cdbd52d281f0ebfdb072c728ed56f252e7c3b65681b4e1a663f7d1b8e8981675de0a861426de0a19ef0408b5

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CFA22CBE-C839-11EF-A4B7-CEB9D96D8528}.dat

        Filesize

        3KB

        MD5

        19358f2544bb2ca26ad15e55cae54766

        SHA1

        c95e91e0ea5602eeaa2f64e86425699d9e4b8fbc

        SHA256

        c8aba1668710287fbbda26774d5b92eab2ec24427899e05bed536c2a679880ac

        SHA512

        21173c4351a4e05974cd20f317ee0544966b6e197a42a4984ef86e8247f7f17ef7e1031ec10ec49f25134934dd632b7a8dcd69ab74578918b77d372051382bc8

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver3BDB.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/3728-30-0x0000000000E40000-0x0000000000E41000-memory.dmp

        Filesize

        4KB

      • memory/3728-31-0x0000000000E20000-0x0000000000E21000-memory.dmp

        Filesize

        4KB

      • memory/3940-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3940-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3940-24-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3940-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3940-0-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3940-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3940-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3940-2-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3940-1-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3940-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3940-6-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/3940-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-33-0x00000000770C2000-0x00000000770C3000-memory.dmp

        Filesize

        4KB

      • memory/4716-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4716-25-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

        Filesize

        4KB

      • memory/4716-27-0x00000000770C2000-0x00000000770C3000-memory.dmp

        Filesize

        4KB

      • memory/4716-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4716-21-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB