Analysis

  • max time kernel
    93s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 07:16

General

  • Target

    16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll

  • Size

    848KB

  • MD5

    16b114fc96af79e4350fadc999b268b0

  • SHA1

    ecc49411d73b84b14a344ba6619c208be28c8989

  • SHA256

    3ac0de457e30c3bc0e0e75e2484e68b8aeeb7afb2aff2db0ca98e586e7cd9185

  • SHA512

    f69910f903c69889a962ced9c872aecb07b3788357bb304fc66b2283b44e158c37fa16d0a5ddeabb0444590f9c10b58fa55d17e3154f28fb78c2938aaf8f1cf3

  • SSDEEP

    12288:dehnaNPpSVZmNxRCwnwm3W3OHIIf5Wg4m0S5MK8ZXQyIIUjuUj2/75ok:deh0PpS6NxNnwYeOHX0zzSiKlyBjz5v

Malware Config

Signatures

  • Ramnit

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

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

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

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3596
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Windows\SysWOW64\rundll32mgrmgr.exe
          C:\Windows\SysWOW64\rundll32mgrmgr.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:3456
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 10176
            5⤵
            • Program crash
            PID:4324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 10184
          4⤵
          • Program crash
          PID:3112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 580
        3⤵
        • Program crash
        PID:4244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3596 -ip 3596
    1⤵
      PID:1984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3456 -ip 3456
      1⤵
        PID:2984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1636 -ip 1636
        1⤵
          PID:1616

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\~TM8C42.tmp

                Filesize

                1.6MB

                MD5

                4f3387277ccbd6d1f21ac5c07fe4ca68

                SHA1

                e16506f662dc92023bf82def1d621497c8ab5890

                SHA256

                767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

                SHA512

                9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

              • C:\Windows\SysWOW64\rundll32mgr.exe

                Filesize

                462KB

                MD5

                737ad0e202cbc77fe21b05a97018fd17

                SHA1

                d0c6ceff6779c02d6e9b7180a06369562fd96b1c

                SHA256

                68e13ea527498c03274b46fd29bb2fa54f3c064c3a4d4299e8ab6f95c3afed34

                SHA512

                dcd8dae554d55ac711024ec47aa3ba8a54cbd6b464e69ceb0f035f8b7930cddf8d42cfc7b0d34a621982134698f33a687091ed545ee8fca898db86468b55bae6

              • C:\Windows\SysWOW64\rundll32mgrmgr.exe

                Filesize

                230KB

                MD5

                b42f5caf5d8471c34605faac7f278571

                SHA1

                8baf865dee9f3011fb467afe0f22cfd5bb5c5d47

                SHA256

                38d89c5a881ec75d8f08139f374c8f7aa1aa22d0df211f31a82f9ef6fcb25d8c

                SHA512

                2ce01499790db18f53043638cca357363cf993cefbd050e32a7c2f802f5bd0c58bef62da35050b6faef713cc030277bdc90a44922618808dd1573ca35f0fcb44

              • memory/1636-5-0x0000000000400000-0x00000000004BC000-memory.dmp

                Filesize

                752KB

              • memory/1636-17-0x0000000000400000-0x00000000004BC000-memory.dmp

                Filesize

                752KB

              • memory/1636-15-0x0000000002180000-0x000000000223C000-memory.dmp

                Filesize

                752KB

              • memory/3456-10-0x0000000000400000-0x0000000000481000-memory.dmp

                Filesize

                516KB

              • memory/3456-12-0x0000000002020000-0x00000000020A1000-memory.dmp

                Filesize

                516KB

              • memory/3456-16-0x0000000000400000-0x0000000000481000-memory.dmp

                Filesize

                516KB

              • memory/3596-1-0x0000000010000000-0x00000000100D6000-memory.dmp

                Filesize

                856KB

              • memory/3596-21-0x0000000010000000-0x00000000100D6000-memory.dmp

                Filesize

                856KB