Analysis

  • max time kernel
    94s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 08:12

General

  • Target

    b283fd38ead4dc8ed31c16fee19ff55e_JaffaCakes118.dll

  • Size

    268KB

  • MD5

    b283fd38ead4dc8ed31c16fee19ff55e

  • SHA1

    c11859605f593ca5e050968bed911defc5da1c2c

  • SHA256

    5960119abf005074613a4d286727365fa3599e5d8ecdd1ab64f9d80b285bcaff

  • SHA512

    310097d31aa5638a57d2d2bb128cfff7ea4048520e2a7f92dadeb6a38daf7516a8d84858b6410832f28697f0c24e4d656dd7a046bdeb4887d9fc2a303dc7160b

  • SSDEEP

    3072:5/kTIdXm36Y7KTZgjGYEqINyPJX9tEO9IevqtX7ua5R5WSUgmDQF0EydFIYQ60Fs:5/FYZIN5XevqoXczyrwB04U

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 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
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b283fd38ead4dc8ed31c16fee19ff55e_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b283fd38ead4dc8ed31c16fee19ff55e_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3900
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:4324
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3036
          • 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:1584
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1584 CREDAT:17410 /prefetch:2
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2928

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0K2PF59Z\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\rundll32Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/3036-14-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3036-12-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/3036-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3900-1-0x0000000010000000-0x0000000010045000-memory.dmp

    Filesize

    276KB

  • memory/4324-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4324-8-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4324-6-0x0000000001F00000-0x0000000001F0F000-memory.dmp

    Filesize

    60KB