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Analysis

  • max time kernel
    93s
  • 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
    24/01/2025, 15:40

General

  • Target

    JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe

  • Size

    137KB

  • MD5

    22eb545c6486bacf5ad256511a505963

  • SHA1

    1da826b8eac4cf256e261ddb8034f692e6410687

  • SHA256

    767f95992150ea53e96fa67f2c1c74cb9dc104922284b557f912a7d25859de77

  • SHA512

    59542ec6c87bbefe7961004e1ac96548a6f0b2cb2d0c713100a115f9d7c62b48ca442216cf3605c62b6b3f43a420bbe6f69ceb4d2e3c87fc9de61da40caf1fca

  • SSDEEP

    3072:/56iv5NOEJRdRePLCZPsbFP5jwaaHw7Koj4raFDT2B4G:/dBNLJXReP2dO11WB

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_22eb545c6486bacf5ad256511a505963.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22eb545c6486bacf5ad256511a505963.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3772
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 204
          3⤵
          • Program crash
          PID:2388
      • 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:4192
        • 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:2092
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2092 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:728
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2092 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3464
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1500
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 208
            3⤵
            • Program crash
            PID:4676
        • 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:1400
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:436
        • C:\Users\Admin\AppData\Local\Temp\hcliejnpydhmruhl.exe
          "C:\Users\Admin\AppData\Local\Temp\hcliejnpydhmruhl.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:720
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4272 -ip 4272
        1⤵
          PID:372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1500 -ip 1500
          1⤵
            PID:2656

          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

            ce36378334f2edb4e728e0632afebb70

            SHA1

            89d54efcb8c7bbe532e5ad91b38468279d3f5c93

            SHA256

            6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

            SHA512

            3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

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

            Filesize

            404B

            MD5

            fd57ffd710a58f5b192023dbc169e282

            SHA1

            7343548aab122ac984ca25bcbae99f24cfeff469

            SHA256

            59ca0d8e2312062d14f6b877f07d93fad4778e1cd261cced0874e1ccde2e27f6

            SHA512

            cdadcf29d445766c3adca233595f34f662496ec3eec3fb9ffbd6ae730fc9651ee9a4d1e431b23a0c438d948a539011525760dcd05a57f854cf741885b1898cdf

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            137KB

            MD5

            22eb545c6486bacf5ad256511a505963

            SHA1

            1da826b8eac4cf256e261ddb8034f692e6410687

            SHA256

            767f95992150ea53e96fa67f2c1c74cb9dc104922284b557f912a7d25859de77

            SHA512

            59542ec6c87bbefe7961004e1ac96548a6f0b2cb2d0c713100a115f9d7c62b48ca442216cf3605c62b6b3f43a420bbe6f69ceb4d2e3c87fc9de61da40caf1fca

          • memory/720-40-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/720-41-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/720-35-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/720-36-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-34-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3772-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3772-14-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-17-0x0000000077372000-0x0000000077373000-memory.dmp

            Filesize

            4KB

          • memory/3772-18-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-19-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-20-0x0000000077372000-0x0000000077373000-memory.dmp

            Filesize

            4KB

          • memory/3772-11-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3772-2-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-0-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-6-0x0000000000400000-0x0000000000439FC0-memory.dmp

            Filesize

            231KB

          • memory/3772-4-0x00000000006F0000-0x00000000006F1000-memory.dmp

            Filesize

            4KB

          • memory/3772-5-0x0000000000700000-0x0000000000701000-memory.dmp

            Filesize

            4KB

          • memory/4272-9-0x0000000000B30000-0x0000000000B31000-memory.dmp

            Filesize

            4KB

          • memory/4272-8-0x0000000000B50000-0x0000000000B51000-memory.dmp

            Filesize

            4KB