Analysis

  • max time kernel
    94s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 03:47

General

  • Target

    JaffaCakes118_27ef92c388b95fd6b882d7d3fe403e8f.dll

  • Size

    112KB

  • MD5

    27ef92c388b95fd6b882d7d3fe403e8f

  • SHA1

    ee76b2c4bad0886df7f2e88c87d677eba8edfdf4

  • SHA256

    09e17e1e2c56937d8fd70b6047197b1472b0389a9b986f30da5ba6297a54267d

  • SHA512

    faf5cc0c9ebe0561f914a4f9b8867854006584db26562f9e68470f558d382f978ed23c83fa323eee0202a6d5bb86503ba594ca04768ae8457ec3fcb0adc8dd1d

  • SSDEEP

    3072:AONR5SgAFN0YBIcfrIvauBeYH5SsnH82Vw:5bAj0YrfGZH5r

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 3 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 8 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 49 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef92c388b95fd6b882d7d3fe403e8f.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef92c388b95fd6b882d7d3fe403e8f.dll
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Users\Admin\AppData\Local\Temp\TTPpOZFxt
        "TTPpOZFxt"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1664
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:1384
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 204
              5⤵
              • Program crash
              PID:4008
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2740
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4956
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4956 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2000
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4956 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2720
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:3548
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 208
                5⤵
                • Program crash
                PID:728
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2752
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:4364
            • C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe
              "C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe" elevate
              4⤵
              • Checks computer location settings
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4912
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe"" admin
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2708
                • C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe
                  "C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe" admin
                  6⤵
                  • UAC bypass
                  • Executes dropped EXE
                  • Checks whether UAC is enabled
                  • Suspicious use of AdjustPrivilegeToken
                  • System policy modification
                  PID:3684
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1384 -ip 1384
        1⤵
          PID:4000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3548 -ip 3548
          1⤵
            PID:2760

          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

            ce36378334f2edb4e728e0632afebb70

            SHA1

            89d54efcb8c7bbe532e5ad91b38468279d3f5c93

            SHA256

            6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

            SHA512

            3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

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

            Filesize

            404B

            MD5

            6521cfd48a568530e879a0e089c62de3

            SHA1

            34b89956305dc6f7da1e8198c76b6fe1980f77ba

            SHA256

            40fd42402af30c82b562fc20607c73c591cedaeafb7af151881d6a6170fb7e8d

            SHA512

            c47483bbb8bc80748a7b6e62a0f41ac4346c9f1b8558bd602c6ec1c242cdce864bbd857b032f417395998e7c6320be861fbf6c8a04fcf5c440ee445a51a5459b

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Temp\TTPpOZFxt

            Filesize

            91KB

            MD5

            0ed93601a2c959aac80ab68e6fbd74ae

            SHA1

            8c055135aa03197bcc3e4d880b1e01eeaa4ead2a

            SHA256

            fbdd2ae07383983176aed709ace21b9f68f965716f031880407e04096429a397

            SHA512

            95ba501f939c9d3a53301e743d4f470a947d4d86721077afcb73a05ad1b2091f5a6f06b383c0f2906267a71b851a5fe9ba45d4a77440d0f8236b61827fd50c9e

          • memory/1384-13-0x00000000005C0000-0x00000000005C1000-memory.dmp

            Filesize

            4KB

          • memory/1384-12-0x00000000005E0000-0x00000000005E1000-memory.dmp

            Filesize

            4KB

          • memory/1472-4-0x000000006C5C1000-0x000000006C5C2000-memory.dmp

            Filesize

            4KB

          • memory/1472-0-0x0000000000B60000-0x0000000000B61000-memory.dmp

            Filesize

            4KB

          • memory/1664-16-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1664-14-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1664-11-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1664-20-0x0000000077A12000-0x0000000077A13000-memory.dmp

            Filesize

            4KB

          • memory/1664-21-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1664-22-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1664-23-0x0000000077A12000-0x0000000077A13000-memory.dmp

            Filesize

            4KB

          • memory/1664-8-0x0000000000590000-0x0000000000591000-memory.dmp

            Filesize

            4KB

          • memory/1664-9-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/1664-5-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3684-36-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4912-31-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB