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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 08:14

General

  • Target

    fe1e4c1c18acc9b79a142c29a22e6ca4_JaffaCakes118.dll

  • Size

    136KB

  • MD5

    fe1e4c1c18acc9b79a142c29a22e6ca4

  • SHA1

    ad19c29ffeb39aa4df47bcd32a620a450d2150ce

  • SHA256

    8ad320293c9d12aacbc33004f8996ac8fb6d42bf4eeaa608c7d5b53994a8a7bf

  • SHA512

    710ae889eecdb24f2826a0b613cf2546c99abea26fb50fca0f9a865f1c39c897c2e0c1dd94792c6ff6217392bc267bfbf1646914676e27cd2daeaf2ff17eb2fd

  • SSDEEP

    3072:6uIIPhvpE6cXjA8iVUAWGaqqqBSpXuWMfujoMITjWS:6/EFpkXsDePGaqqqBmMfujPC

Malware Config

Signatures

  • Ramnit

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 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 38 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 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe1e4c1c18acc9b79a142c29a22e6ca4_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe1e4c1c18acc9b79a142c29a22e6ca4_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5096
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1320
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:264
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 264 -s 204
              5⤵
              • Program crash
              PID:3264
          • 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:3456
            • 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:1656
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1656 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2604
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1656 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4256
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:1664
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 204
                5⤵
                • Program crash
                PID:1900
            • 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:764
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:2896
            • C:\Users\Admin\AppData\Local\Temp\hgwefrsdisdlwhkn.exe
              "C:\Users\Admin\AppData\Local\Temp\hgwefrsdisdlwhkn.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:5096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 264 -ip 264
        1⤵
          PID:3532
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1664 -ip 1664
          1⤵
            PID:3260

          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

            e81809e35464c6a8ccffb00fa7424f8a

            SHA1

            aca926d8ab54a834b33db7c5fb4355287d2cd2a7

            SHA256

            01c74bfb667bcffad25fd994026261a336a8e8dcf85ad629a75c87e838fcf744

            SHA512

            d807413cf4356a8861ae6bbfe5fd2792bdb5b81ec9fe64f6d567e505d001c847d8eeb4bc730599a5428afcf561d35ddf022d1d3079036d65a0e382d4737d5c28

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

            Filesize

            404B

            MD5

            ea1abebea27889d442d9f1decf0a4282

            SHA1

            eed09738978976c0ad4342f5877b3e97388384f8

            SHA256

            c7126d2bd9146c5500f344cc525ffcac7dc4cc28a5c93401d11f1241c2d6773d

            SHA512

            cc2818f426db58ccacb0c5f16ff319bea2377ceedf7e273cb2fb95dbfb4bf2af94caa5a3047c93df2f440e143bdb6cba7300d3ad6484f1eaf2037d502c56b2bd

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1FD7.tmp

            Filesize

            15KB

            MD5

            1a545d0052b581fbb2ab4c52133846bc

            SHA1

            62f3266a9b9925cd6d98658b92adec673cbe3dd3

            SHA256

            557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

            SHA512

            bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WLXU5DI6\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Windows\SysWOW64\rundll32mgr.exe

            Filesize

            111KB

            MD5

            10d2e087710c80d11a2e482cd3a13731

            SHA1

            5623e43b4ac7c528449e67bc11cedabe369df54c

            SHA256

            607b206b4baecc7a0be6c0518b8733fb5c4364b7098a262a03befbbfd0d30335

            SHA512

            68b991baad83dc781e8a5ba69d0edfad7e90122618b5c1f178a01a0481a8f43e200cbd7f5702449ec758361ac8f1a1596e7400bd9561a86cbeff31a876a2f65a

          • memory/264-13-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/264-12-0x00000000004A0000-0x00000000004A1000-memory.dmp

            Filesize

            4KB

          • memory/1320-10-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/1320-9-0x0000000000570000-0x0000000000571000-memory.dmp

            Filesize

            4KB

          • memory/1320-14-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/1320-15-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/1320-18-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/1320-19-0x0000000076F32000-0x0000000076F33000-memory.dmp

            Filesize

            4KB

          • memory/1320-21-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/1320-22-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/1320-23-0x0000000076F32000-0x0000000076F33000-memory.dmp

            Filesize

            4KB

          • memory/1320-4-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/1320-7-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/1320-6-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/1320-51-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/5096-45-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/5096-50-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/5096-48-0x0000000000400000-0x0000000000437E08-memory.dmp

            Filesize

            223KB

          • memory/5096-1-0x0000000010000000-0x0000000010022000-memory.dmp

            Filesize

            136KB