Analysis

  • max time kernel
    90s
  • max time network
    86s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 15:12

General

  • Target
    0940043daccb80ae62b9c7737f6a9277_JaffaCakes118.exe
  • Size 120KB
  • Sample240624-slapasydnc
  • SHA256 16f3edae5ad359a07de2ad5ab7e2caab2d1f28ecb09884e66da0792f521fcde2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 18 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0940043daccb80ae62b9c7737f6a9277_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0940043daccb80ae62b9c7737f6a9277_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 204
          3⤵
          • Program crash
          PID:3292
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:528
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:528 CREDAT:17410 /prefetch:2
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:5036
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:528 CREDAT:17416 /prefetch:2
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4656
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4448
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 208
            3⤵
            • Program crash
            PID:776
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          2⤵
          • Modifies Internet Explorer settings
          PID:836
        • C:\Users\Admin\AppData\Local\Temp\qrasonxcpfsdgnsx.exe
          "C:\Users\Admin\AppData\Local\Temp\qrasonxcpfsdgnsx.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4492 -ip 4492
        1⤵
          PID:2476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4448 -ip 4448
          1⤵
            PID:3880

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                qrasonxcpfsdgnsx.exe

                • Path C:\Users\Admin\AppData\Local\Temp\qrasonxcpfsdgnsx.exe
                • Size 120KB
                • SHA256 16f3edae5ad359a07de2ad5ab7e2caab2d1f28ecb09884e66da0792f521fcde2
                • MD5 SHA1 SHA512 SSDEEP

                memory/1948-6-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/1948-2-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/1948-4-0x00000000008C0000-0x00000000008C1000-memory.dmp

                memory/1948-0-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/1948-13-0x0000000077522000-0x0000000077523000-memory.dmp

                memory/1948-12-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/1948-16-0x0000000077522000-0x0000000077523000-memory.dmp

                memory/1948-15-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/1948-1-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/4492-8-0x0000000001260000-0x0000000001261000-memory.dmp

                memory/4492-7-0x0000000001240000-0x0000000001241000-memory.dmp

                memory/4792-26-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/4792-29-0x0000000000400000-0x000000000043B000-memory.dmp