Analysis

  • max time kernel
    92s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2025 02:35

General

  • Target

    JaffaCakes118_51cf908178d2711d83eb1f4bba3bd202.exe

  • Size

    104KB

  • MD5

    51cf908178d2711d83eb1f4bba3bd202

  • SHA1

    333c2161b1530af4bd726754be0ca32d472c986f

  • SHA256

    77605a9119c90c68b78b1502de1442565a529d92408dcf45e8b6833835ab092e

  • SHA512

    4c8b6164431a8a55b73fe6629a7f7a803974bac7bb3fb38e6e2997137efb8a6ad901ffa5a653e01132b1a299a81a1fec7c6401e8a9868ae9d1eeba9c9d5cf84c

  • SSDEEP

    3072:L4uvdzGfptdgPVKWVzc5jwaaHw7Koj4rRO71S:Opvg8WVzc05

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_51cf908178d2711d83eb1f4bba3bd202.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51cf908178d2711d83eb1f4bba3bd202.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 204
          3⤵
          • Program crash
          PID:4820
      • 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:1896
        • 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:2976
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2976 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3124
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2976 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4996
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1640
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 208
            3⤵
            • Program crash
            PID:3636
        • 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:4676
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4372
        • C:\Users\Admin\AppData\Local\Temp\cxaovhgwyljknoat.exe
          "C:\Users\Admin\AppData\Local\Temp\cxaovhgwyljknoat.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4972 -ip 4972
        1⤵
          PID:4524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1640 -ip 1640
          1⤵
            PID:3328

          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

            735889089a4e16ba45c92c32a4c246c1

            SHA1

            d85e55baa14c4b80205d78c6bbc5b379a4cb1a36

            SHA256

            c27873858e2f658f18d9800271c89047a70518d52fbfdeb8e7cdd7542cdd6bfd

            SHA512

            372bd23c89f7add13d23ace311fb3eaf732d43d3411a9b4e0645e62632200fec306bcd1258b35c7066797357ccdf606af9e294bf85bf9c6a14c70c60f8f45b59

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

            Filesize

            404B

            MD5

            41694fe83343fcb303d3fe7c4dbbb533

            SHA1

            d4034952b4913aaacb283458650edc3ad12ca218

            SHA256

            be59866b087b631a071d715f2642a58374dfb7c57beb6c4d27e496bab5005a63

            SHA512

            0e19c87c4531ed73248cf05f8ad412f71be0ce0624d477afd1a57e77743315ff5295321550fde48bfca6ade02279e3fc98c910bb169ee389bc85386067f22996

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            104KB

            MD5

            51cf908178d2711d83eb1f4bba3bd202

            SHA1

            333c2161b1530af4bd726754be0ca32d472c986f

            SHA256

            77605a9119c90c68b78b1502de1442565a529d92408dcf45e8b6833835ab092e

            SHA512

            4c8b6164431a8a55b73fe6629a7f7a803974bac7bb3fb38e6e2997137efb8a6ad901ffa5a653e01132b1a299a81a1fec7c6401e8a9868ae9d1eeba9c9d5cf84c

          • memory/1340-4-0x00000000008F0000-0x00000000008F1000-memory.dmp

            Filesize

            4KB

          • memory/1340-19-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/1340-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1340-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1340-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1340-11-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/1340-13-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/1340-17-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

            Filesize

            4KB

          • memory/1340-18-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/1340-0-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/1340-20-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

            Filesize

            4KB

          • memory/1340-6-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/1340-5-0x0000000000900000-0x0000000000901000-memory.dmp

            Filesize

            4KB

          • memory/1340-2-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/4712-35-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/4712-38-0x0000000000400000-0x000000000043A060-memory.dmp

            Filesize

            232KB

          • memory/4712-39-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4972-8-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/4972-9-0x0000000000460000-0x0000000000461000-memory.dmp

            Filesize

            4KB