Analysis

  • max time kernel
    93s
  • max time network
    144s
  • 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 12:22

General

  • Target

    JaffaCakes118_3f8662ad947ff598de725c8c3bcef38e.exe

  • Size

    99KB

  • MD5

    3f8662ad947ff598de725c8c3bcef38e

  • SHA1

    bd6368f8c90ef3a1ea1326e569f63a48664be195

  • SHA256

    53d20b78de7d457a68d0f840f4e3eeea5c74d501704041350a4f0a8e86b1032f

  • SHA512

    f77b35efcedf3a460e19ba8afb68252876b6b7f7b49744a039c23b092e3910c4ae8bf09dc41a6c8bf4108b0ac8b6cb8a0dbd2ab606ed5b7fd073a733939904dd

  • SSDEEP

    3072:ZWsrhZ35eU3ngJQ/cVVPOr9gsfUIpPaaHw7Koj4rtd:ZbtZ75/cVVmF

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • UAC bypass 3 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 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 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 32 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f8662ad947ff598de725c8c3bcef38e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3f8662ad947ff598de725c8c3bcef38e.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 204
          3⤵
          • Program crash
          PID:4752
      • 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:1204
        • 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:3276
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3276 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4316
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3276 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2364
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4356
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 208
            3⤵
            • Program crash
            PID:1460
        • 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:4460
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:2876
        • C:\Users\Admin\AppData\Local\Temp\svuantfpngmjsbej.exe
          "C:\Users\Admin\AppData\Local\Temp\svuantfpngmjsbej.exe" elevate
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4264
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\svuantfpngmjsbej.exe"" admin
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1040
            • C:\Users\Admin\AppData\Local\Temp\svuantfpngmjsbej.exe
              "C:\Users\Admin\AppData\Local\Temp\svuantfpngmjsbej.exe" admin
              4⤵
              • UAC bypass
              • Executes dropped EXE
              • Checks whether UAC is enabled
              • Suspicious use of AdjustPrivilegeToken
              • System policy modification
              PID:1548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4872 -ip 4872
        1⤵
          PID:2476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4356 -ip 4356
          1⤵
            PID:1860

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          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

            9bb3deedf78bf4877254e82c1b2c7f52

            SHA1

            f6baac251f5a2409f6d63b328215d440b8061e97

            SHA256

            e9e128a96540cda5305500e15485c0a07f9c0d678ae2aa3f09cebc08a9aa04b5

            SHA512

            73d8bad1af5ef8aabfeac0caed931ca034920cf8b9d2627a03f3ea2deabd7110cbe02f2a3adc2f019073f5ca95b384f1c0a3c40c5b4eb025aaf7e7d54d694b8c

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            99KB

            MD5

            3f8662ad947ff598de725c8c3bcef38e

            SHA1

            bd6368f8c90ef3a1ea1326e569f63a48664be195

            SHA256

            53d20b78de7d457a68d0f840f4e3eeea5c74d501704041350a4f0a8e86b1032f

            SHA512

            f77b35efcedf3a460e19ba8afb68252876b6b7f7b49744a039c23b092e3910c4ae8bf09dc41a6c8bf4108b0ac8b6cb8a0dbd2ab606ed5b7fd073a733939904dd

          • memory/1548-37-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4264-31-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4264-28-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4760-14-0x0000000077062000-0x0000000077063000-memory.dmp

            Filesize

            4KB

          • memory/4760-0-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4760-15-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4760-16-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4760-17-0x0000000077062000-0x0000000077063000-memory.dmp

            Filesize

            4KB

          • memory/4760-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4760-8-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4760-4-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4760-2-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/4760-3-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/4872-7-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/4872-6-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB