Analysis

  • max time kernel
    134s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 07:06

General

  • Target

    aa0ecbc484369e6e4a10a21dcc79f25b_JaffaCakes118.dll

  • Size

    144KB

  • MD5

    aa0ecbc484369e6e4a10a21dcc79f25b

  • SHA1

    940595e2ab6ecfcf3748e3d66e6684638abc33e9

  • SHA256

    4070f51e35a33de6cf038977ba52ea4dec2e90cc2e2b68b2f039844480420130

  • SHA512

    b854dd739498849a6f2cdaab85818d568ea4057ba1b903fd464cb04a6c89773f2b5ee1b065a2eb2f0a37762259b566190f32d9e41de88a2b662c619757db6350

  • SSDEEP

    3072:6x+6El0zDRluZdYRH5KfdtUeo1UIjJmCksfZhjFy1b:6x+6ElQmHYGzU/rEKfz

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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 36 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 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa0ecbc484369e6e4a10a21dcc79f25b_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa0ecbc484369e6e4a10a21dcc79f25b_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Users\Admin\AppData\Local\Temp\7kOrFqN36
        "7kOrFqN36"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1796
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:3508
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 204
              5⤵
              • Program crash
              PID:1944
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2632
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1428
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1428 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1400
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1428 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2264
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:1760
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 208
                5⤵
                • Program crash
                PID:2608
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2752
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:4820
            • C:\Users\Admin\AppData\Local\Temp\nslghbuaayrcgxre.exe
              "C:\Users\Admin\AppData\Local\Temp\nslghbuaayrcgxre.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2980
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 616
            3⤵
            • Program crash
            PID:2912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3508 -ip 3508
        1⤵
          PID:3864
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2904 -ip 2904
          1⤵
            PID:3084
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1760 -ip 1760
            1⤵
              PID:2716

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8WYVOD7\suggestions[1].en-US

                    Filesize

                    17KB

                    MD5

                    5a34cb996293fde2cb7a4ac89587393a

                    SHA1

                    3c96c993500690d1a77873cd62bc639b3a10653f

                    SHA256

                    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                    SHA512

                    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                  • C:\Users\Admin\AppData\Local\Temp\7kOrFqN36

                    Filesize

                    95KB

                    MD5

                    460d0b895f70bdaff8ca7ad516642d7a

                    SHA1

                    cdf45dcf25fb5e10a50007f83056467922d14adb

                    SHA256

                    4a12a51191f6153a6cf655d5afbc54e4f0c54f6647e3cfc0b96429ea6d94c4f7

                    SHA512

                    f778bb2503b50422019a42ca911817dd5a45bc7e8419a1cb2479fb1d71cb5cc321b6cc1512f5a3b31153ca24ec199769fd3a0d30f0f4a51bb60bb8800fc2c483

                  • memory/1796-24-0x0000000000400000-0x000000000043A074-memory.dmp

                    Filesize

                    232KB

                  • memory/1796-12-0x0000000000400000-0x000000000043A074-memory.dmp

                    Filesize

                    232KB

                  • memory/1796-6-0x0000000000400000-0x000000000043B000-memory.dmp

                    Filesize

                    236KB

                  • memory/1796-10-0x00000000005D0000-0x00000000005D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1796-9-0x00000000005C0000-0x00000000005C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1796-4-0x0000000000400000-0x000000000043A074-memory.dmp

                    Filesize

                    232KB

                  • memory/1796-7-0x0000000000400000-0x000000000043A074-memory.dmp

                    Filesize

                    232KB

                  • memory/1796-38-0x0000000000400000-0x000000000043B000-memory.dmp

                    Filesize

                    236KB

                  • memory/1796-25-0x0000000077172000-0x0000000077173000-memory.dmp

                    Filesize

                    4KB

                  • memory/1796-16-0x0000000000400000-0x000000000043B000-memory.dmp

                    Filesize

                    236KB

                  • memory/1796-22-0x0000000077172000-0x0000000077173000-memory.dmp

                    Filesize

                    4KB

                  • memory/1796-18-0x0000000000400000-0x000000000043A074-memory.dmp

                    Filesize

                    232KB

                  • memory/1796-23-0x0000000000400000-0x000000000043A074-memory.dmp

                    Filesize

                    232KB

                  • memory/2904-0-0x0000000010000000-0x0000000010025000-memory.dmp

                    Filesize

                    148KB

                  • memory/2904-15-0x0000000010000000-0x0000000010025000-memory.dmp

                    Filesize

                    148KB

                  • memory/2980-40-0x0000000000400000-0x000000000043B000-memory.dmp

                    Filesize

                    236KB

                  • memory/2980-45-0x0000000000400000-0x000000000043B000-memory.dmp

                    Filesize

                    236KB

                  • memory/2980-44-0x0000000000400000-0x000000000043A074-memory.dmp

                    Filesize

                    232KB

                  • memory/2980-39-0x0000000000570000-0x0000000000572000-memory.dmp

                    Filesize

                    8KB

                  • memory/3508-13-0x00000000005A0000-0x00000000005A1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3508-14-0x00000000005C0000-0x00000000005C1000-memory.dmp

                    Filesize

                    4KB