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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2025, 08:35

General

  • Target

    JaffaCakes118_0bfddeb508a6ad241a71e84f2b1d04b4.exe

  • Size

    109KB

  • MD5

    0bfddeb508a6ad241a71e84f2b1d04b4

  • SHA1

    24e3103a3d2e1f85c66c6fe934def0cc937ce633

  • SHA256

    d27df78577524e219cb0cc89447fce0a03cd3ee044a0c734363a03a0f5488c7a

  • SHA512

    dac9993545be73eafdbf3b8d73ae5cff4c3507578e6fe99eaa32396999b2c1d9673cd9e04e2c2f255a8cc18e1e8197f41f8df79e39c1dca562fb9d69ea0666f6

  • SSDEEP

    3072:jgeWPCmabC3YUSlr6WzA9dLy/R5jwaaHw7Koj4rV:c4PtUSlrdydm/8

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_0bfddeb508a6ad241a71e84f2b1d04b4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0bfddeb508a6ad241a71e84f2b1d04b4.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:5068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 204
          3⤵
          • Program crash
          PID:3100
      • 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:3496
        • 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:3116
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3116 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1920
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3116 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1956
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4812
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 208
            3⤵
            • Program crash
            PID:4900
        • 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:1196
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3204
        • C:\Users\Admin\AppData\Local\Temp\vwuaucxuguarxiyf.exe
          "C:\Users\Admin\AppData\Local\Temp\vwuaucxuguarxiyf.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4272
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5068 -ip 5068
        1⤵
          PID:4564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4812 -ip 4812
          1⤵
            PID:4488

          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

            fbd57568c7e969025fd7a77d6a9e5f45

            SHA1

            d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

            SHA256

            b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

            SHA512

            c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

            Filesize

            404B

            MD5

            7d48682f5fd3c86a86267e1e0620d781

            SHA1

            394f180fe2a6fe5f47efde277ab4a46543187580

            SHA256

            3d449c170bbad11949dc901c4e7d9776221c19b05fa29827d329a49b26b19253

            SHA512

            bbde48ee4f8e5343bf3cd0f12f7dc9dc6058328704a0ba4b75b0b3423637c25bdb63669e6eee1c79ee810dbda6c5bb1a7b158ef0e89f7fa8a52cf31ac90206f4

          • 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\vwuaucxuguarxiyf.exe

            Filesize

            109KB

            MD5

            0bfddeb508a6ad241a71e84f2b1d04b4

            SHA1

            24e3103a3d2e1f85c66c6fe934def0cc937ce633

            SHA256

            d27df78577524e219cb0cc89447fce0a03cd3ee044a0c734363a03a0f5488c7a

            SHA512

            dac9993545be73eafdbf3b8d73ae5cff4c3507578e6fe99eaa32396999b2c1d9673cd9e04e2c2f255a8cc18e1e8197f41f8df79e39c1dca562fb9d69ea0666f6

          • memory/2816-5-0x00000000021B0000-0x00000000021B1000-memory.dmp

            Filesize

            4KB

          • memory/2816-19-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/2816-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2816-34-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2816-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2816-11-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/2816-13-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/2816-17-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/2816-18-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/2816-0-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/2816-20-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/2816-6-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/2816-4-0x00000000021A0000-0x00000000021A1000-memory.dmp

            Filesize

            4KB

          • memory/2816-2-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4272-36-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4272-40-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4272-39-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/5068-8-0x00000000004A0000-0x00000000004A1000-memory.dmp

            Filesize

            4KB

          • memory/5068-9-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB