Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 09:14

General

  • Target

    JaffaCakes118_0af12320a0b5476a65fb01c0eda80d09.exe

  • Size

    120KB

  • MD5

    0af12320a0b5476a65fb01c0eda80d09

  • SHA1

    a65ea0e5cf7be75625763ce41afb4713b5b49e98

  • SHA256

    22037e01cb22e216f4c8c3af6b5d3c04687cd95fa8790e3eea691e1bf46f906a

  • SHA512

    37be67535a74bec9e86528593a2d365ceb4ddabd66e496fd41cb49e6c1398c972d23b836ab0481e1c11738e00cc10a3155f8b4c16fbcdef9db8b59258220d301

  • SSDEEP

    1536:2VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEtYT//vTTTTTTTTx+gP1Zp:GnxwgxgfR/DVG7wBpEM/5xtmxnQ

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 12 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_0af12320a0b5476a65fb01c0eda80d09.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0af12320a0b5476a65fb01c0eda80d09.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1068
    • 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:3796
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1796
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 204
            4⤵
            • Program crash
            PID:4712
        • 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:1196
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1196 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4104
        • 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:1576
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1576 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1796 -ip 1796
      1⤵
        PID:4896

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        120KB

        MD5

        0af12320a0b5476a65fb01c0eda80d09

        SHA1

        a65ea0e5cf7be75625763ce41afb4713b5b49e98

        SHA256

        22037e01cb22e216f4c8c3af6b5d3c04687cd95fa8790e3eea691e1bf46f906a

        SHA512

        37be67535a74bec9e86528593a2d365ceb4ddabd66e496fd41cb49e6c1398c972d23b836ab0481e1c11738e00cc10a3155f8b4c16fbcdef9db8b59258220d301

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

        Filesize

        471B

        MD5

        05a55aacc33432fec9fea490f5c69442

        SHA1

        bd2dd697d6e49290ff51f6f8e2db9bde87e72860

        SHA256

        65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

        SHA512

        91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

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

        Filesize

        404B

        MD5

        949ff4fcfba2b04c288c6a90202dc123

        SHA1

        5f02f6953930760a5c5fd013ae3d79528744431c

        SHA256

        15e9e9533b9e3ca788e4a339338118cf74e65ac12b73c6622cdf941efbc95a5d

        SHA512

        91b38f88498403fd840136a6bacf2aa0bad591d2d7284bd5d393c8cb6bbcf35084d01c7e63452f83d98a882a002e6c8ec39f87974a6ec6f6274a3ab87d78b9f5

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9BEE4BE3-D0C5-11EF-BEF1-FA89EA07D49F}.dat

        Filesize

        3KB

        MD5

        e832424d614dba489ba7ad58a83a69c5

        SHA1

        5b872d7b47d9943a6fc06a32705db6b625878298

        SHA256

        d56e20eec284db07ad056581b7b8515ff5372da15619655406e4435d8d1f8104

        SHA512

        f24557653c7c561f204d39fd7c97a5ce12bb44857b8035f33f088f49c07065602ee59b1c1230a9d551ec00462a49885d38864d0c0b5ba8c9fdea8166a4a96c06

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9BF3100C-D0C5-11EF-BEF1-FA89EA07D49F}.dat

        Filesize

        5KB

        MD5

        1af62985ce2f33c158ce68f7f1a62c61

        SHA1

        6e42b7395992d45a7c4e6606fa301f8a20856d60

        SHA256

        da099697d3f2eed3ceb12760a7d4472a5a9ef4e6a90ef906fd67730d33d35fdf

        SHA512

        8d6ef39f60bb69572c322c2d03d0c266f8e5b99de5f33d051b7d1b0a716f47d39a4b8701321dff3726ea124d0eddcca3ccaf910b574fd9512729ee95a120d722

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver439C.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1068-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1068-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1068-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1068-0-0x0000000000400000-0x00000000004AF000-memory.dmp

        Filesize

        700KB

      • memory/1068-17-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/1068-1-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/1068-7-0x0000000000970000-0x0000000000971000-memory.dmp

        Filesize

        4KB

      • memory/1068-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1068-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1068-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1068-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1796-32-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/1796-31-0x0000000000920000-0x0000000000921000-memory.dmp

        Filesize

        4KB

      • memory/3796-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3796-34-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

        Filesize

        4KB

      • memory/3796-37-0x0000000000400000-0x00000000004AF000-memory.dmp

        Filesize

        700KB

      • memory/3796-38-0x0000000000400000-0x00000000004AF000-memory.dmp

        Filesize

        700KB

      • memory/3796-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3796-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3796-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3796-28-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

        Filesize

        4KB

      • memory/3796-26-0x0000000000470000-0x0000000000471000-memory.dmp

        Filesize

        4KB

      • memory/3796-19-0x0000000000400000-0x00000000004AF000-memory.dmp

        Filesize

        700KB