Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 16:13

General

  • Target

    JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe

  • Size

    147KB

  • MD5

    efdf5ca8fb4fbf17631eea3332307f30

  • SHA1

    0895aab389be46cf0c5c4ec84a3121f6399351e7

  • SHA256

    10cc9ca2c7b4dc78c99116bb76822735cf571c37d19c39a89bdbf2a739f2f3e3

  • SHA512

    d41f531f30b9708de360926c77304cb2f3fc1c82c10f5cbca94b50cbf97e8b7c4b820000d75433a3d0b87d3b11a89d5952a776fe6137d5ab31c7f2b9b468bd03

  • SSDEEP

    1536:HR0Mn3Pc0LCH9MtbvabUDzJYWu3BmiIuw22Jn1fbO4V:HR/n3k0CdM1vabyzJYWqQa2

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 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_efdf5ca8fb4fbf17631eea3332307f30.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5008
    • 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:4104
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:532
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 204
            4⤵
            • Program crash
            PID:508
        • 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:2144
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2144 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1816
        • 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:2544
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2544 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 532 -ip 532
      1⤵
        PID:3060

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        147KB

        MD5

        efdf5ca8fb4fbf17631eea3332307f30

        SHA1

        0895aab389be46cf0c5c4ec84a3121f6399351e7

        SHA256

        10cc9ca2c7b4dc78c99116bb76822735cf571c37d19c39a89bdbf2a739f2f3e3

        SHA512

        d41f531f30b9708de360926c77304cb2f3fc1c82c10f5cbca94b50cbf97e8b7c4b820000d75433a3d0b87d3b11a89d5952a776fe6137d5ab31c7f2b9b468bd03

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

        Filesize

        471B

        MD5

        0ada2095c461df5a751955aa41dd491e

        SHA1

        8366c54b31e1ddc8016aa22aab8c83f73c690810

        SHA256

        80cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09

        SHA512

        135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c

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

        Filesize

        404B

        MD5

        457c0317151d882adc38091d32ad3064

        SHA1

        b7e7ca548720a2140944e61bed6235beb4f453fd

        SHA256

        2f33f1292b13b00ee7f72bebf9aff3b3eaa016190777d0fae5181445cb94c6fc

        SHA512

        4a2801f808850064d875d9895d7d7b9ff2ffa9642e3c47570de8ae4fe15e677b85ec81cb5b9a3a56199fefd858607d0995bee6a48fb2c1c787e94da2d1a2d93e

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8586EC25-D749-11EF-ADF2-7ECF469E42CC}.dat

        Filesize

        3KB

        MD5

        51c5fa185440e86a6d61584ddc670c80

        SHA1

        5330387f581eb78459f1cec684e4f1d1c2f5c510

        SHA256

        7eef387073d54429c71ebb63389e9d497e495294058dc4efd3ffb1a521be8dce

        SHA512

        fd6f602ca0c253af41ec5ecea9e903ac19120377124795f907e491375560584a5c71aa7bfddc2fc192a738c33790c860c6282d5635082e8aae502c6dcc94c5c5

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{85894F04-D749-11EF-ADF2-7ECF469E42CC}.dat

        Filesize

        5KB

        MD5

        5e9c477bd639999c4e4324d1c92662aa

        SHA1

        25b317b4dc3717ed58b421ffcd42122ca70ad928

        SHA256

        c61aa5158c95d3ea12f7a489c915f48cde831ab66c3251573ce5fb2843af5197

        SHA512

        09c7c87028dbac09512959b496357fc08bbcb512aa385c6ba373925b1f6d0ec7015253fd75543ed1ae0678f37803e3ad585a46b4951da0c4207241f480fd8639

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/532-30-0x0000000000510000-0x0000000000511000-memory.dmp

        Filesize

        4KB

      • memory/532-31-0x00000000004F0000-0x00000000004F1000-memory.dmp

        Filesize

        4KB

      • memory/4104-28-0x00000000776C2000-0x00000000776C3000-memory.dmp

        Filesize

        4KB

      • memory/4104-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4104-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4104-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4104-25-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/4104-22-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/4104-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4104-33-0x00000000776C2000-0x00000000776C3000-memory.dmp

        Filesize

        4KB

      • memory/5008-2-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/5008-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5008-5-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/5008-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5008-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/5008-0-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/5008-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5008-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5008-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5008-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5008-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/5008-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB