Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 15:58

General

  • Target

    0f7e92b27db58a84114aca132062e98b_JaffaCakes118.dll

  • Size

    690KB

  • MD5

    0f7e92b27db58a84114aca132062e98b

  • SHA1

    330f90ae520483e47b163f8425a1f9fa074ed4a6

  • SHA256

    b67fa7aa75df8ac6c3c63effcac744b675028fc7b57384bbc69b5f6134522abb

  • SHA512

    903b3d4d52d68b2455b4035147ca4943022ab342f963ae7f54bc46d3778c8454757f2a19a04d6eeedd2047757c0fd9db4544643b880f558e2bd108fffc4d0ccf

  • SSDEEP

    12288:QdR3x1PT2kmudWlL4IDvTaA4k+vX5W03/Lp7UMnV6Q8:Qj6km0WSIDvTam+vX5W0PTV6J

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0f7e92b27db58a84114aca132062e98b_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0f7e92b27db58a84114aca132062e98b_JaffaCakes118.dll
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 180
          4⤵
          • Program crash
          PID:2780

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\~TM45D6.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM4654.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • \Windows\SysWOW64\regsvr32mgr.exe

          Filesize

          157KB

          MD5

          1dcfb79162fe6a7047b30f1446c2fae5

          SHA1

          9c0296da3f5344a7e933c57e7d427c4de1a53bb4

          SHA256

          3c6033da9f18e528997cedfd12dfb4f76ee6124e675965f379201777a02d5655

          SHA512

          c405b032da32dfb1c4d5bd1175ddf8f0a72849fa4d83cc3342c6e43897ec4766a43832288ac9ba8b892d176fe9584bd518d8c6d09860b61eb3af83670ae33a91

        • memory/2712-0-0x0000000074D20000-0x0000000074DCF000-memory.dmp

          Filesize

          700KB

        • memory/2712-3-0x00000000006D0000-0x0000000000701000-memory.dmp

          Filesize

          196KB

        • memory/2712-20-0x00000000006D0000-0x0000000000701000-memory.dmp

          Filesize

          196KB

        • memory/2796-10-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2796-11-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB

        • memory/2796-18-0x0000000000400000-0x0000000000431000-memory.dmp

          Filesize

          196KB