Analysis

  • max time kernel
    149s
  • 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
    15-01-2025 07:25

General

  • Target

    JaffaCakes118_50818db1d9ee936ff2d26c7a7160ec15.exe

  • Size

    92KB

  • MD5

    50818db1d9ee936ff2d26c7a7160ec15

  • SHA1

    ad79541e1056560094896167423feabb1727d4ea

  • SHA256

    126d9ebf03d1c2166ce0abb18c5346ba7055e076abed6d35d69d877f43662b77

  • SHA512

    f30704b96c9e0dfb362daee736b2b1816c126bb4d801eeeb4f28708c19d7ff4082739799f48ef8a46daf38df5b733f275bf04e552ec6513386d6986339016015

  • SSDEEP

    1536:qVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:anxwgxgfR/DVG7wBpE

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 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_50818db1d9ee936ff2d26c7a7160ec15.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50818db1d9ee936ff2d26c7a7160ec15.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2864
    • 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:5108
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4072
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 204
            4⤵
            • Program crash
            PID:2760
        • 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:3464
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3464 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4212
        • 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:4760
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4760 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4072 -ip 4072
      1⤵
        PID:1536

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        92KB

        MD5

        50818db1d9ee936ff2d26c7a7160ec15

        SHA1

        ad79541e1056560094896167423feabb1727d4ea

        SHA256

        126d9ebf03d1c2166ce0abb18c5346ba7055e076abed6d35d69d877f43662b77

        SHA512

        f30704b96c9e0dfb362daee736b2b1816c126bb4d801eeeb4f28708c19d7ff4082739799f48ef8a46daf38df5b733f275bf04e552ec6513386d6986339016015

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

        Filesize

        471B

        MD5

        fdba1e1aaafa78dc1bc5319f2afb6f86

        SHA1

        5432b1fa5f940052c9f9117307b2c97a7950cab2

        SHA256

        83c001e05993c8e603aec23cc4fa21a1515943496a69e18ab4a1196294b5354d

        SHA512

        ad7a1db5d9f4ac4edc07dfaacd2dd5aa15d8e228b2e096f9add822e4be84c66db28729583f9fdd5ae4f20fe685854cf2c35ced250a19df3b001c7b563c78a13e

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

        Filesize

        404B

        MD5

        7582d9880545dc2be81164e12c37b551

        SHA1

        9a0d9f51613e54abc9ce4e6e1ea5770f1d240cf2

        SHA256

        233e89732e828d14931eb2bb2b4eb953abb92111dde4de62fd9ee6a37369fd67

        SHA512

        c741b0aebefcf5967ea928dec6d5490773e61944d2fd2c2349d673ff0ea64c855747e28da56789de4a6c11e2b44e561c7272053698461262dd5e91f4af8971d5

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

        Filesize

        404B

        MD5

        25fcb56d8e4ef518d2e306d1602522bf

        SHA1

        6076a890fc8120a978f9cfbb2b0b66482851454b

        SHA256

        64a9cfa18bc4b6b5f8c313d4d97afa807ef6b5ef063783e4ad694dc261ec0c05

        SHA512

        98eb3cdffca35a8fe9f2a4d7ed9223c0e4b6c62bdf5e21cee8a4e3fec891f567b110152871d8ad0f53749cf61b0d64c8f921fff7b1e086729c696479d8dbdf41

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E1119DCC-D311-11EF-B319-FAA11E730504}.dat

        Filesize

        3KB

        MD5

        ee25d1d9f21784fc26512db8d498a8ee

        SHA1

        3dd848953e243e139ab7d924186ca40930871a4d

        SHA256

        28cb4ac0573ea94e9a5994c07faa4f4ecd1c3b5813a593450b2e8c7049ef5f47

        SHA512

        45f24d102f7e80ccb226f7b2794fbf47064d2d23ba8d3202863001f4692fd1181eb16c4f9d83b7007019565b52fca9f9f9bb2e00e7a650cfc4bbfd00a6b065a4

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E1140111-D311-11EF-B319-FAA11E730504}.dat

        Filesize

        5KB

        MD5

        5a607f046d33ff7b47fff18662303bc8

        SHA1

        5465c4f33e5c5588fcd241852b0c8908ca70fb81

        SHA256

        28a06ba918f1ad19ed16391c68b95526e7a42c26b1f3ddad3269d9c3ace4a0ea

        SHA512

        6d21a520593528344ebf9c074b089e3ca77e70fa15138b763057a7edfeed59221a4171ead011c48f016962078f2b0de3436e19858dabead94f7e0bb076990e5a

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/2864-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2864-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2864-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2864-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2864-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2864-17-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/2864-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2864-0-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/2864-7-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/2864-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2864-1-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/4072-32-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

        Filesize

        4KB

      • memory/4072-31-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

        Filesize

        4KB

      • memory/5108-29-0x0000000077E82000-0x0000000077E83000-memory.dmp

        Filesize

        4KB

      • memory/5108-34-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/5108-36-0x0000000077E82000-0x0000000077E83000-memory.dmp

        Filesize

        4KB

      • memory/5108-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5108-35-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/5108-33-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/5108-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5108-18-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/5108-28-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

      • memory/5108-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5108-23-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB