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Analysis

  • max time kernel
    94s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 10:24

General

  • Target

    73a7af12fdb9bbc4ace34d92d13713f7_JaffaCakes118.dll

  • Size

    292KB

  • MD5

    73a7af12fdb9bbc4ace34d92d13713f7

  • SHA1

    bcb1850f6f5d20715683893b90f264f85ddaf0f7

  • SHA256

    006508a54a938b7eee9075ee4b52fb7be22726037ca4fb7306ed2c91f1ce78a3

  • SHA512

    dda76a32cede9526348190f04f2c011285ec2a239e0df9e3ad8a9a507ed283ef2551139db26c644e5f73bfae9c9dc4b59dd80d266a239a8cf7c42b1673bd1836

  • SSDEEP

    3072:E2UxPvVKNiNz1a2JRC+Tq/Kc1yfxN9A1DeVEBJjRy5agw9r8C:nGvQ4Nx9RHTVXfxNe1aVEJX8C

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 46 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 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\73a7af12fdb9bbc4ace34d92d13713f7_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\73a7af12fdb9bbc4ace34d92d13713f7_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1632
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • 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:2500
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:976
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 212
                6⤵
                • Program crash
                PID:2604
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:3684
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3684 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:412
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4376
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4376 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 976 -ip 976
      1⤵
        PID:1608

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{524C516C-4B39-11EF-A174-F2AA1BA6131E}.dat

        Filesize

        5KB

        MD5

        81913f4e2037b7e66e0a5a75a2a544da

        SHA1

        4a5d3a451a05672316d430cb57a5cf9939037d4c

        SHA256

        c35f08aaa5dd0bfe3c6ca20687ef43a281060c890b183d47b3670f699be3b66f

        SHA512

        afe7cae2722d29455116731dbc531c05a66eab40c6c3afb8abb9b700c25db6e23bb81cc58cbe788231da23ad11912a428385c29d09aca37d6637625cf81daf6d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{524EB44B-4B39-11EF-A174-F2AA1BA6131E}.dat

        Filesize

        3KB

        MD5

        78971d354134d88256dfa12739586672

        SHA1

        2f4885c62f0277c55aff030647b22ef8bb4078e1

        SHA256

        6af1c8817bd5ec7dfe37ccc82f34f6711c4f5d62a1de1ac8343af07e4a5f51cd

        SHA512

        ca40c98ce928900aa1c0b61f82291475714871d6f6f3b4d23132e88e233a626cc8a941e7dbc1e2006dcc605c01619620e9b954190f1148b95f8f0a6423278a88

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5G8JI3LV\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        191KB

        MD5

        8ac07808142b6ca7d2b201c1c207bcbc

        SHA1

        b250de4f26140f2166360577fdb12114c658dad2

        SHA256

        5884f7434b8e4293517ab49f313864d170ccbcf4265786d15b493c340074422d

        SHA512

        501209df5309013d96953ee0004d3387ff79f3414b74e06b04ecc77e5f196687da5e560141006d1fe5d0d50fc3e89d5cc8f56545947343e50c2cec75a027868c

      • memory/976-36-0x0000000000C70000-0x0000000000C71000-memory.dmp

        Filesize

        4KB

      • memory/976-35-0x0000000000C90000-0x0000000000C91000-memory.dmp

        Filesize

        4KB

      • memory/1632-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1632-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1632-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/1632-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1632-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1632-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1632-4-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB

      • memory/1632-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1632-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1632-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1836-1-0x000000006D280000-0x000000006D2C9000-memory.dmp

        Filesize

        292KB

      • memory/2500-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2500-33-0x0000000077982000-0x0000000077983000-memory.dmp

        Filesize

        4KB

      • memory/2500-32-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/2500-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2500-38-0x0000000077982000-0x0000000077983000-memory.dmp

        Filesize

        4KB

      • memory/2500-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2500-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2500-41-0x0000000000400000-0x000000000043B000-memory.dmp

        Filesize

        236KB

      • memory/2500-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2500-31-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB