Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2025 18:28

General

  • Target

    JaffaCakes118_cf7f79925e26e702d00f951a817c1e86.exe

  • Size

    182KB

  • MD5

    cf7f79925e26e702d00f951a817c1e86

  • SHA1

    360b93ad39935ef43f7d7357585a2755c3255ffc

  • SHA256

    27f3158fe5d4fbd46a2daa8e3ec1d7bc36187696d43e09a445a010261b3ecdd7

  • SHA512

    72ddef7be651157c0c6b481b4d49126f4d51510e96dbd1461197ecbf391d64c6c41202dcb10fd3fae50453a08b81fef00f80f4bb4573cf135cc8135cde17e430

  • SSDEEP

    3072:VRBn3k0CdM1vabyzJYWqeyVSbtL6/oFIjYZ02v7HyOWPyJ:VR50LS6VpSbh6/mI29yjW

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 13 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_cf7f79925e26e702d00f951a817c1e86.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cf7f79925e26e702d00f951a817c1e86.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4776
    • 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:992
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3556
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 204
            4⤵
            • Program crash
            PID:3004
        • 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:1856
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1856 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1480
        • 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:3080
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3080 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3556 -ip 3556
      1⤵
        PID:4592

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        182KB

        MD5

        cf7f79925e26e702d00f951a817c1e86

        SHA1

        360b93ad39935ef43f7d7357585a2755c3255ffc

        SHA256

        27f3158fe5d4fbd46a2daa8e3ec1d7bc36187696d43e09a445a010261b3ecdd7

        SHA512

        72ddef7be651157c0c6b481b4d49126f4d51510e96dbd1461197ecbf391d64c6c41202dcb10fd3fae50453a08b81fef00f80f4bb4573cf135cc8135cde17e430

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

        Filesize

        471B

        MD5

        5c880ecece7595aea41224edbf5f8bba

        SHA1

        883636d01cf260db4e245913bf0bf90ead6bbacf

        SHA256

        31736fecaf227fc906a4146252d5b452d9118e68c3a12c72095969f42724c621

        SHA512

        d5f565aa1cafa0fa8217c59355e7289138b862a99df2bbea6059b4f4ec1af0bd337e53d8349b9595606dfddbfe82d743ee748cff9b7c65b741d09e3cf9abb1cc

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

        Filesize

        404B

        MD5

        caf1c64f3e46ddab005db9dc736a8a27

        SHA1

        4eb5fd65993e24bed9f874efa547c54d9c63b659

        SHA256

        8d0eb19f958508e9cf0964fe1818f75baf324f009b4cfe2f4c0263ecdc933ef0

        SHA512

        cbb7d5187a89160f5576b73458b8903babd46e3f0c6932a0f4b809e8b70f9d8167a643d959d5b43a3ad66755d97fcdb0925ff796cb35669dfb2c951752b28514

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

        Filesize

        404B

        MD5

        41ffb6f186b84149d7652733be52d098

        SHA1

        2dc31380f0750fc74c61b313ab70be6961ad6a9e

        SHA256

        e4ac4f8cc44531fe70b330e837366e31bb40ad487a7e838100001feaaf59a36f

        SHA512

        1fa4c66a5fcc80acbd2f75c2c21c6eb636e8a31250c8f5b42919ec0100ea285d580a963eb70f5f57edf0cbae16099c12b2289a98cc28cfdf1a9fb3082581b7da

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{34B66893-D693-11EF-AEE2-7E3D785E6C2E}.dat

        Filesize

        3KB

        MD5

        65260dcd241933a0206c4cabf04fa50e

        SHA1

        22cb5392c984c5bb2cf4a2d1b5f276c7776794bc

        SHA256

        7c8e47a034d6ceb44ce86415eb8cbc8934bd3773bfd7aaa57e83a1a1db95219a

        SHA512

        fa0d1dcc6b3d266930f98da2f4e7895eccba767bde7d5147b7537bf51ee683118bd464299d61fbe5d4271fb2e055d1b9315b6b5c79049010c682cc1eac3faf8d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{34BB2CCD-D693-11EF-AEE2-7E3D785E6C2E}.dat

        Filesize

        5KB

        MD5

        dc920e4e730791b8b80c8b8b467e5d24

        SHA1

        7cda175404eea5e3788279981012133fd3ac5174

        SHA256

        daccf26e4339df9cfd71b3f2b5768af040a503e4c25aac9464fd2275dec0dae0

        SHA512

        a7d4ed30ea509d5c78e1e2c14372867a3d74b413d4730e88503c05ea54487f0d1355fbda641bc7db30ea32cbc3ef69dcbed25b30e6ba6c014c1ed57a9f9b3bbd

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/992-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/992-27-0x0000000076F32000-0x0000000076F33000-memory.dmp

        Filesize

        4KB

      • memory/992-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/992-25-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

      • memory/992-22-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/992-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/992-31-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/992-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/992-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/992-32-0x0000000076F32000-0x0000000076F33000-memory.dmp

        Filesize

        4KB

      • memory/3556-29-0x0000000001260000-0x0000000001261000-memory.dmp

        Filesize

        4KB

      • memory/3556-30-0x0000000001240000-0x0000000001241000-memory.dmp

        Filesize

        4KB

      • memory/4776-0-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/4776-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4776-7-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/4776-8-0x00000000008F0000-0x00000000008F1000-memory.dmp

        Filesize

        4KB

      • memory/4776-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4776-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4776-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4776-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4776-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4776-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4776-2-0x0000000000400000-0x000000000043A000-memory.dmp

        Filesize

        232KB

      • memory/4776-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB