Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 17:58

General

  • Target

    0ff9f737dcdaa4b48bb4a46d589c5cdd_JaffaCakes118.dll

  • Size

    560KB

  • MD5

    0ff9f737dcdaa4b48bb4a46d589c5cdd

  • SHA1

    428d16ab0db225e0430f5214fbeba6627422d4f6

  • SHA256

    f8b5ebfaccb0631a91978a65ea792564d5170cfc0005daa12efb8c5ad1b8ac55

  • SHA512

    b82dea2eba004f9f62f3085109d23b8b7d9a2463dd658e29c1b0c0874a1def6f601d7a1f392f177f4e3a7053470d973cd1406a832b8cbffcfaa432ab71a55472

  • SSDEEP

    6144:TZLT3A5Dp0HvFIc5vBlcQGSgS62iiiiiSySYSGS+8c8c8AAANA/AA0fMG8gPhclv:TZL7A5l0711g8on8OcWulHXWNchVv

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

  • UAC bypass 3 TTPs 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ff9f737dcdaa4b48bb4a46d589c5cdd_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ff9f737dcdaa4b48bb4a46d589c5cdd_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Users\Admin\AppData\Local\Temp\6xDn2t3
        "6xDn2t3"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2544
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • Modifies WinLogon for persistence
          • UAC bypass
          • Drops startup file
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2872
        • C:\Users\Admin\AppData\Local\Temp\yaajsdaxqdhjcffh.exe
          "C:\Users\Admin\AppData\Local\Temp\yaajsdaxqdhjcffh.exe" elevate
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2196
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\yaajsdaxqdhjcffh.exe"" admin
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1344
            • C:\Users\Admin\AppData\Local\Temp\yaajsdaxqdhjcffh.exe
              "C:\Users\Admin\AppData\Local\Temp\yaajsdaxqdhjcffh.exe" admin
              6⤵
              • UAC bypass
              • Executes dropped EXE
              • Checks whether UAC is enabled
              • Suspicious use of AdjustPrivilegeToken
              • System policy modification
              PID:1396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 240
        3⤵
        • Program crash
        PID:2364

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\6xDn2t3

          Filesize

          91KB

          MD5

          e9639538d169c463914f6b2940eae754

          SHA1

          9d4fcf5d5cf2dcfb1ec07be9861b946f81f91647

          SHA256

          d36631b46cdce695237f408057ca3463a2487a9a9a32887e8b5001ff50c0718d

          SHA512

          b8b708a2ebcec4897ce27c97caf79105f0500937f0ec716f72aefa675968479645c0c5ddf8aa73ee7d12ff4ed565a53436902c7a1477c007bd2ce21a14d0fb21

        • memory/1396-95-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2132-23-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2132-67-0x0000000076F60000-0x0000000076F61000-memory.dmp

          Filesize

          4KB

        • memory/2132-14-0x0000000000270000-0x0000000000271000-memory.dmp

          Filesize

          4KB

        • memory/2132-43-0x0000000076F60000-0x0000000076F61000-memory.dmp

          Filesize

          4KB

        • memory/2132-13-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/2132-10-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2132-86-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2132-44-0x0000000076F5F000-0x0000000076F60000-memory.dmp

          Filesize

          4KB

        • memory/2132-66-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2132-22-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2196-88-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/2368-45-0x00000000000D0000-0x00000000000D1000-memory.dmp

          Filesize

          4KB

        • memory/2368-0-0x00000000000D0000-0x00000000000D1000-memory.dmp

          Filesize

          4KB

        • memory/2368-9-0x0000000010050000-0x0000000010051000-memory.dmp

          Filesize

          4KB

        • memory/2544-18-0x0000000000050000-0x0000000000051000-memory.dmp

          Filesize

          4KB

        • memory/2544-29-0x0000000000050000-0x0000000000051000-memory.dmp

          Filesize

          4KB

        • memory/2544-31-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/2544-32-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/2544-24-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/2544-16-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/2544-33-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/2544-30-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/2544-28-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/2872-58-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-97-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-69-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-64-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-37-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-46-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-96-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-56-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-98-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-99-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-100-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-101-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-102-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-103-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-104-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB

        • memory/2872-105-0x0000000020010000-0x000000002002C000-memory.dmp

          Filesize

          112KB