Analysis

  • max time kernel
    93s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 08:42

General

  • Target

    JaffaCakes118_158b4c64b405256c1e03f52658825344.exe

  • Size

    125KB

  • MD5

    158b4c64b405256c1e03f52658825344

  • SHA1

    03b98c62866ed2139e05e890bce8e5f79e02ee92

  • SHA256

    c1d96d43cb3c6fcfad861744a78b6b411a18da7a66b2146cc1b0570e0fb18ee4

  • SHA512

    e2a39ede50da496f46c2b65657646c9df1d9cdd3100ebb0b6c9a013a26002ff1f8f1419afe1f482098ca706b39baa34222db12f0feec0b3e6253ff18251f9558

  • SSDEEP

    3072:5Tg2vIufer7yfdn7pPqjwaaHw7Koj4rZPlJdZ:5kynWr7qd71Rl

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_158b4c64b405256c1e03f52658825344.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_158b4c64b405256c1e03f52658825344.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 204
          3⤵
          • Program crash
          PID:4668
      • 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:3488
        • 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:2432
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2432 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:2432 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:908
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:3936
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 208
            3⤵
            • Program crash
            PID:4760
        • 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:2764
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:1700
        • C:\Users\Admin\AppData\Local\Temp\tdvlovjltitvyhyo.exe
          "C:\Users\Admin\AppData\Local\Temp\tdvlovjltitvyhyo.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1376 -ip 1376
        1⤵
          PID:4972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3936 -ip 3936
          1⤵
            PID:1004

          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

            2c48c73220d62a8faffe599e95896274

            SHA1

            452cd4222360fe7e881055d815ec65a2bbac564b

            SHA256

            35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

            SHA512

            6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

            Filesize

            404B

            MD5

            12076f18069efb647c298f9aa1d3053b

            SHA1

            1e67054179c4d4ee9bae2b3614e25a409edc0971

            SHA256

            fe66f958b2c3c5b49df8aff614f01570ffb477d51f2bf19efe4a7945cc6e4559

            SHA512

            4f077cbf65130c2b288a2f74d933df31ce270cc34f4825929788ba7ba228dac34cee61a04d11bd692402a86b240392ba972fd817a92889d2324ea1b0b249eee1

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            125KB

            MD5

            158b4c64b405256c1e03f52658825344

            SHA1

            03b98c62866ed2139e05e890bce8e5f79e02ee92

            SHA256

            c1d96d43cb3c6fcfad861744a78b6b411a18da7a66b2146cc1b0570e0fb18ee4

            SHA512

            e2a39ede50da496f46c2b65657646c9df1d9cdd3100ebb0b6c9a013a26002ff1f8f1419afe1f482098ca706b39baa34222db12f0feec0b3e6253ff18251f9558

          • memory/1376-9-0x0000000000D80000-0x0000000000D81000-memory.dmp

            Filesize

            4KB

          • memory/1376-8-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

            Filesize

            4KB

          • memory/3464-18-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3464-7-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3464-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3464-11-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3464-13-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3464-16-0x0000000077432000-0x0000000077433000-memory.dmp

            Filesize

            4KB

          • memory/3464-0-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3464-20-0x0000000077432000-0x0000000077433000-memory.dmp

            Filesize

            4KB

          • memory/3464-19-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3464-5-0x00000000021B0000-0x00000000021B1000-memory.dmp

            Filesize

            4KB

          • memory/3464-4-0x00000000021A0000-0x00000000021A1000-memory.dmp

            Filesize

            4KB

          • memory/3464-2-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3464-34-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3464-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4644-36-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4644-41-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4644-40-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4644-38-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB