Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 00:36

General

  • Target

    JaffaCakes118_1c675517afd3849fdb10409b4ccbfa0c.exe

  • Size

    100KB

  • MD5

    1c675517afd3849fdb10409b4ccbfa0c

  • SHA1

    0c112c0f45ba764c1a1c52970e8cf21d4fb07f67

  • SHA256

    7018344d1d3704ae129c2433bae8d0c1c180b3bff01badca6b514e5324042fad

  • SHA512

    3d1245114a3dc8c9c0020fbf74ae977f1b31fdfdcf4b286242856170fe53c3e37d24404d14dafc76a2c5eae675294d54a5c0b0eae6adfb3a508aa2c74ab264d8

  • SSDEEP

    3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBj99999999999999:rSKbwhdcqYIhXNA

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • 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
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 32 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\JaffaCakes118_1c675517afd3849fdb10409b4ccbfa0c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c675517afd3849fdb10409b4ccbfa0c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 204
          3⤵
          • Program crash
          PID:1768
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4456
        • 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:3032
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3032 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:5052
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3032 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3056
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:3632
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 204
            3⤵
            • Program crash
            PID:992
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2692
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3296
        • C:\Users\Admin\AppData\Local\Temp\jnjshqpcwnsnkgyb.exe
          "C:\Users\Admin\AppData\Local\Temp\jnjshqpcwnsnkgyb.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 460 -ip 460
        1⤵
          PID:1928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3632 -ip 3632
          1⤵
            PID:4936

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            471B

            MD5

            dc142ff8759ecb81417ba231bbcf25d0

            SHA1

            201681d524cde8af5c11b5111f5fa697521c5739

            SHA256

            d6e2a573b1e137d8b823b82cfeaadeb30df36a0fa7a268a1278465b28fdc7bb6

            SHA512

            b36456cf3ef37e4bbe0e4acf8b25cc85a39f8517d1b80b3191b1be7ddc6d58c74247b2d9dedb0b67ac4f8a2f3d92773e90aee326cfe612f8573ba6ad6b73e833

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            404B

            MD5

            9176d71c02128a8dcee90b5785739c62

            SHA1

            102f19dcfd0296024e14e3cc363dca69b58879b8

            SHA256

            2ac8dc34d4e5931c76272431cd1683d4138d64a71d84e27b15d5af7be282238f

            SHA512

            e3896f09d8366d3959290b96bec926f6b9a90101eb3a858c7544dc9a00c569d812f3f5732160fbf19d7c2d3b8dc7d07ef29409a94a2c4beb86b39236b0164cd4

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Temp\jnjshqpcwnsnkgyb.exe

            Filesize

            100KB

            MD5

            1c675517afd3849fdb10409b4ccbfa0c

            SHA1

            0c112c0f45ba764c1a1c52970e8cf21d4fb07f67

            SHA256

            7018344d1d3704ae129c2433bae8d0c1c180b3bff01badca6b514e5324042fad

            SHA512

            3d1245114a3dc8c9c0020fbf74ae977f1b31fdfdcf4b286242856170fe53c3e37d24404d14dafc76a2c5eae675294d54a5c0b0eae6adfb3a508aa2c74ab264d8

          • memory/208-39-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/208-40-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/208-35-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/460-9-0x0000000000920000-0x0000000000921000-memory.dmp

            Filesize

            4KB

          • memory/460-8-0x0000000000940000-0x0000000000941000-memory.dmp

            Filesize

            4KB

          • memory/2004-6-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/2004-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/2004-16-0x0000000077212000-0x0000000077213000-memory.dmp

            Filesize

            4KB

          • memory/2004-18-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/2004-19-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/2004-20-0x0000000077212000-0x0000000077213000-memory.dmp

            Filesize

            4KB

          • memory/2004-11-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/2004-13-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/2004-0-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/2004-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/2004-4-0x00000000005F0000-0x00000000005F1000-memory.dmp

            Filesize

            4KB

          • memory/2004-5-0x0000000000600000-0x0000000000601000-memory.dmp

            Filesize

            4KB

          • memory/2004-2-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/2004-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB