Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2025 14:20

General

  • Target

    JaffaCakes118_4bd2c332b5000f02875a154265f7d046.exe

  • Size

    106KB

  • MD5

    4bd2c332b5000f02875a154265f7d046

  • SHA1

    be092846ad4781330ad7f8e797de7617c2f5b36b

  • SHA256

    565fdf92b2e032b02460c7ba86826f079e8c2444193b3b80cb0fff3056217d64

  • SHA512

    f376087f373fc244f148bcc257a9327609431e728e757f0a8360fdb3e7a675b7e49ea5c51b57e0366f87227dc87a916e8859ce5885e74d120734f2cbe1f8ba03

  • SSDEEP

    3072:QoQ72D5m4o04eeMeDz0NedO05jwaaHw7Koj4rLBTvB:0724zsUINedNe7

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_4bd2c332b5000f02875a154265f7d046.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bd2c332b5000f02875a154265f7d046.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 204
          3⤵
          • Program crash
          PID:1640
      • 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:1584
        • 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:3460
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3460 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1416
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3460 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3212
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4360
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 216
            3⤵
            • Program crash
            PID:1536
        • 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:1820
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:1836
        • C:\Users\Admin\AppData\Local\Temp\jnubxfyoidvngvfb.exe
          "C:\Users\Admin\AppData\Local\Temp\jnubxfyoidvngvfb.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4588
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4812 -ip 4812
        1⤵
          PID:100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4360 -ip 4360
          1⤵
            PID:1524

          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

            475c66b9af3c16540234fd08c8b64ee1

            SHA1

            fbf3a350a46429077838d755006c4c2f8e0aab7d

            SHA256

            3f31d71c018f407fc7b46a5ccd3ab6a8473359fec94505232a3d2a8c86f30e7f

            SHA512

            fef96a645b5c74823d8ccc53069847b71437cd083851bcb11791cb7ebe4975806253abc6068d12dd5238920682304862c01ae1f4a0e0a1c2b0bd9af2e515a846

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

            Filesize

            404B

            MD5

            971461cf35b044802c0921cdc5fd1b2f

            SHA1

            fe8832f2cb811ae33abf97b85cbb760f08e7cef5

            SHA256

            526b419a7fd832bd1aa9bdb163ba8562824883a2ef020b2b8c6ed20334ac84aa

            SHA512

            fc2f74d4831714b43e24151c7296944203281ada3b369e4f992ef919abbc892e489e70301fb82199e1c9e914383cfd9361d0a60df19370fbe211e2ef60087850

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            106KB

            MD5

            4bd2c332b5000f02875a154265f7d046

            SHA1

            be092846ad4781330ad7f8e797de7617c2f5b36b

            SHA256

            565fdf92b2e032b02460c7ba86826f079e8c2444193b3b80cb0fff3056217d64

            SHA512

            f376087f373fc244f148bcc257a9327609431e728e757f0a8360fdb3e7a675b7e49ea5c51b57e0366f87227dc87a916e8859ce5885e74d120734f2cbe1f8ba03

          • memory/3888-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/3888-19-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/3888-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/3888-0-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/3888-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/3888-11-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/3888-16-0x00000000770F2000-0x00000000770F3000-memory.dmp

            Filesize

            4KB

          • memory/3888-13-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/3888-18-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/3888-7-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/3888-20-0x00000000770F2000-0x00000000770F3000-memory.dmp

            Filesize

            4KB

          • memory/3888-5-0x0000000002070000-0x0000000002071000-memory.dmp

            Filesize

            4KB

          • memory/3888-4-0x0000000002060000-0x0000000002061000-memory.dmp

            Filesize

            4KB

          • memory/3888-2-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/4588-36-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4588-35-0x0000000000590000-0x0000000000592000-memory.dmp

            Filesize

            8KB

          • memory/4588-41-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4588-40-0x0000000000400000-0x000000000043A070-memory.dmp

            Filesize

            232KB

          • memory/4812-9-0x0000000000B30000-0x0000000000B31000-memory.dmp

            Filesize

            4KB

          • memory/4812-8-0x0000000000B50000-0x0000000000B51000-memory.dmp

            Filesize

            4KB