Analysis

  • max time kernel
    95s
  • 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 14:21

General

  • Target

    JaffaCakes118_5874fc24796283c3ba517547d8e5e7b6.exe

  • Size

    199KB

  • MD5

    5874fc24796283c3ba517547d8e5e7b6

  • SHA1

    72dcd6907369a3c441b128acb0b714feed3ad934

  • SHA256

    d8da34a62a81c88a3df4370cbbcc34733f987fce667d2f12bea5a6bed685c4aa

  • SHA512

    af0905213abc22c0d1dcea9ab7d40b325ec0544fbdbcde66ab4df4fbdb437a6c4a7b920bb394bcba32d85b016c264e894ebd61541a5ee095daf07a87e70764a3

  • SSDEEP

    3072:jnxwgxgfR/DVG7wBpEwnRA3Nen2ctTa9qxmv:n+xDVG0BpfA3AFtTvxm

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 17 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 50 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_5874fc24796283c3ba517547d8e5e7b6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5874fc24796283c3ba517547d8e5e7b6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3668
    • 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:5028
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4760
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 204
            4⤵
            • Program crash
            PID:3876
        • 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:1188
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1188 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2660
        • 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:4428
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4428 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4760 -ip 4760
      1⤵
        PID:2568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        199KB

        MD5

        5874fc24796283c3ba517547d8e5e7b6

        SHA1

        72dcd6907369a3c441b128acb0b714feed3ad934

        SHA256

        d8da34a62a81c88a3df4370cbbcc34733f987fce667d2f12bea5a6bed685c4aa

        SHA512

        af0905213abc22c0d1dcea9ab7d40b325ec0544fbdbcde66ab4df4fbdb437a6c4a7b920bb394bcba32d85b016c264e894ebd61541a5ee095daf07a87e70764a3

      • 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

        816a68acf21a33dd5103304b6467d683

        SHA1

        52526297901a7fe791aa086b17ea13ca57fb8f53

        SHA256

        0ed0cf88ced5dd4637feb6e4109d58319f16d798f4c709cc637b98d1211c5bc5

        SHA512

        61d1ab4c9749e951652a2eef70c47a2df04b6a79d0c62d8346bba6ed2a76b12cdb792095bdd5d006afb1d54b49d47bf3c4c585e5dc62f41da492d7990d2c7e57

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

        Filesize

        404B

        MD5

        fe825dcfb6393c4e264fa13096192db9

        SHA1

        5895f38e6d67ebaa7945dbc13be445e28c4008b3

        SHA256

        57e7447c41d001b93b76b92f79f404530b17a97902dc5aa5e4145b4ee3ff5e4f

        SHA512

        ab42d09535b719ea0e8bcea1863bcab4b14ffa3adb24907035f4ddc6499ef4a7e8bf44f0f4475da6d8f0a9d9e96329199d6d38532c650c6f0966d70b017f8236

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AABC8C21-C84B-11EF-B9B6-4A034D48373C}.dat

        Filesize

        5KB

        MD5

        cfeeeb7d61049a1e025619749f7cf829

        SHA1

        563b1b0928f54aaa0a41617794a5efa6b42257a5

        SHA256

        645bf19929288525aa8c3f93f717ea1657894d7ce39d4971f765b08e536325b0

        SHA512

        f9d136f8e4a3d1884d185c19e330e6c752b6e5250f52269a38ec7b7195ff52182b3a4d61a21c5aaa933269c7eb4244163cb631b28a710450067672c00878865d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AABCB331-C84B-11EF-B9B6-4A034D48373C}.dat

        Filesize

        3KB

        MD5

        dfd1ee2fd30c779394e20fb2372e3f21

        SHA1

        b0fa251e255546d207083cf3342ca1902dfdfe8d

        SHA256

        666d656bdfce9f32ecae5ddd310ea3058ded90b9475cc6848115c45673e5f196

        SHA512

        f556a2c987e289e5547689b350663ae1ed5080f4ed73d0ffc50982b2b125c6ff93e7e4600fc0674c5625728d154a9aad4caf5abbb63866bac88e26b9a315a85f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF8B.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/3668-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-0-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/3668-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-6-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/3668-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/3668-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3668-7-0x00000000030B0000-0x00000000030B1000-memory.dmp

        Filesize

        4KB

      • memory/4760-34-0x0000000000700000-0x0000000000701000-memory.dmp

        Filesize

        4KB

      • memory/4760-33-0x0000000000720000-0x0000000000721000-memory.dmp

        Filesize

        4KB

      • memory/5028-20-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5028-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5028-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5028-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/5028-39-0x00000000771F2000-0x00000000771F3000-memory.dmp

        Filesize

        4KB

      • memory/5028-19-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5028-29-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/5028-36-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5028-44-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5028-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5028-32-0x00000000771F2000-0x00000000771F3000-memory.dmp

        Filesize

        4KB

      • memory/5028-35-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/5028-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5028-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB