Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 13:44

General

  • Target
    0688117ad68cd4da36078e06bf787152_JaffaCakes118.exe
  • Size 104KB
  • Sample240620-q146ca1ajc
  • SHA256 3ba0a5facb1513477686609e0f5c7e2eca47e3f7e9aee4c9ae764053c021b4bf
  • 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 38 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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0688117ad68cd4da36078e06bf787152_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0688117ad68cd4da36078e06bf787152_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:3212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 204
          3⤵
          • Program crash
          PID:2752
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1276
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3892
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3892 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4508
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3892 CREDAT:17416 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2576
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:3488
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 208
            3⤵
            • Program crash
            PID:1864
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5108
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:2980
        • C:\Users\Admin\AppData\Local\Temp\reqcmulcbenydkbg.exe
          "C:\Users\Admin\AppData\Local\Temp\reqcmulcbenydkbg.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3212 -ip 3212
        1⤵
          PID:3996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3488 -ip 3488
          1⤵
            PID:4356

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                verDB1E.tmp

                • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verDB1E.tmp
                • Size 15KB
                • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
                • MD5 SHA1 SHA512 SSDEEP

                suggestions[1].en-US

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QQACG5HD\suggestions[1].en-US
                • Size 17KB
                • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                • MD5 SHA1 SHA512 SSDEEP

                reqcmulcbenydkbg.exe

                • Path C:\Users\Admin\AppData\Local\Temp\reqcmulcbenydkbg.exe
                • Size 104KB
                • SHA256 3ba0a5facb1513477686609e0f5c7e2eca47e3f7e9aee4c9ae764053c021b4bf
                • MD5 SHA1 SHA512 SSDEEP

                memory/3212-9-0x0000000000910000-0x0000000000911000-memory.dmp

                memory/3212-8-0x0000000000930000-0x0000000000931000-memory.dmp

                memory/4428-43-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4428-44-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/4428-40-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4428-39-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/4428-37-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4888-15-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4888-18-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4888-19-0x0000000077B22000-0x0000000077B23000-memory.dmp

                memory/4888-2-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4888-16-0x0000000077B22000-0x0000000077B23000-memory.dmp

                memory/4888-36-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/4888-11-0x0000000000400000-0x000000000043B000-memory.dmp

                memory/4888-7-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4888-4-0x00000000005D0000-0x00000000005D1000-memory.dmp

                memory/4888-5-0x00000000005E0000-0x00000000005E1000-memory.dmp

                memory/4888-0-0x0000000000400000-0x000000000043A18C-memory.dmp

                memory/4888-1-0x0000000000400000-0x000000000043B000-memory.dmp