Analysis

  • max time kernel
    91s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2025 16:21

General

  • Target

    JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe

  • Size

    105KB

  • MD5

    41763fa8142ababb899c1fd8a2ddbaa2

  • SHA1

    163642728eb070bddb3a5dce0ce9764e79bf3dcf

  • SHA256

    9cef74071481471e9f1878be4c63f8371e52fb953f0250c2d686ee86db204d03

  • SHA512

    6a8dfdcf6113bb6ecd72634909ed207abfb399cefe801eb4788dd238e26ed142ce3b2758002cb80c51f508894f023babdbca2a893bdb63aa21c9c9a0760c3c69

  • SSDEEP

    3072:zAK0CBezOU+8isBve4bF3u5jwaaHw7Koj4rI:83z+svb1uz

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_41763fa8142ababb899c1fd8a2ddbaa2.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41763fa8142ababb899c1fd8a2ddbaa2.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 204
          3⤵
          • Program crash
          PID:2184
      • 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:672
        • 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:2280
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2280 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3856
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2280 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4480
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1252
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 208
            3⤵
            • Program crash
            PID:4824
        • 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:4840
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:984
        • C:\Users\Admin\AppData\Local\Temp\tlfogyphndesmtbe.exe
          "C:\Users\Admin\AppData\Local\Temp\tlfogyphndesmtbe.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1516 -ip 1516
        1⤵
          PID:4856
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1252 -ip 1252
          1⤵
            PID:4752

          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

            65ff4e1a660b03c192195dc09416d8a8

            SHA1

            c8e9c1b5d0e74e2f581eaa06d77db42ddb2b24b9

            SHA256

            25f890730498e80c6b85f0ca869917f45af6cadbb427695a615181eac3285dc2

            SHA512

            3efa3c79d74861659b4e6e97b362fb4943eeae2e81425029bbf407fb2c4c914bc2d2b43bc8164e9ed050cdb24f411a8582e086eb3557227ad79ec2256c5a52ba

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

            Filesize

            404B

            MD5

            e1b83d05cc03ad288f76590cf5e28cdb

            SHA1

            dd28e8da34f61a9724fa5c6098559c06b7944797

            SHA256

            36018e13db432af266e5e4a096fedd280fdc948880322d11340e0fd0937a6159

            SHA512

            a90b683844b84059861623ae605f93c09dd9c2ec5a68a060786df5421a7a15f70f608fe56889ef0ea300e869932f56eebdfd27ddb14eab6e805955a5c028051a

          • 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\tlfogyphndesmtbe.exe

            Filesize

            105KB

            MD5

            41763fa8142ababb899c1fd8a2ddbaa2

            SHA1

            163642728eb070bddb3a5dce0ce9764e79bf3dcf

            SHA256

            9cef74071481471e9f1878be4c63f8371e52fb953f0250c2d686ee86db204d03

            SHA512

            6a8dfdcf6113bb6ecd72634909ed207abfb399cefe801eb4788dd238e26ed142ce3b2758002cb80c51f508894f023babdbca2a893bdb63aa21c9c9a0760c3c69

          • memory/740-34-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/740-19-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB

          • memory/740-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/740-0-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB

          • memory/740-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/740-11-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB

          • memory/740-14-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB

          • memory/740-17-0x0000000076F02000-0x0000000076F03000-memory.dmp

            Filesize

            4KB

          • memory/740-18-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB

          • memory/740-4-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/740-20-0x0000000076F02000-0x0000000076F03000-memory.dmp

            Filesize

            4KB

          • memory/740-6-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB

          • memory/740-5-0x00000000008C0000-0x00000000008C1000-memory.dmp

            Filesize

            4KB

          • memory/740-2-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB

          • memory/1516-9-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/1516-8-0x00000000005C0000-0x00000000005C1000-memory.dmp

            Filesize

            4KB

          • memory/4788-36-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4788-35-0x0000000000660000-0x0000000000662000-memory.dmp

            Filesize

            8KB

          • memory/4788-41-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4788-40-0x0000000000400000-0x0000000000439FE4-memory.dmp

            Filesize

            231KB