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
    21-01-2025 10:37

General

  • Target

    JaffaCakes118_03f45c521f3cd54d98ef84791d43c289.exe

  • Size

    105KB

  • MD5

    03f45c521f3cd54d98ef84791d43c289

  • SHA1

    003ad2fd8a998f9b214eebc3b72d200626293d7a

  • SHA256

    00890c2fd2f4d4c875e00298bdbdce40b9bf2ceba40dae8fafdf724ead3b3f43

  • SHA512

    e90a0be674cc56bf2672de55ea989a1e4c299e53d50f737756a2c7e1a3d4a6bb6963f092ea07c68f4f4cb54f1f57aadcb8115826b60082776c2eefd9adc3db35

  • SSDEEP

    1536:9u7qT961cNvuoIQTVuWed6k7DDCfdnlp+WJIYVE7jwaaHw7Koj4r:5Tg2vIufer7yfdn7pPqjwaaHw7Koj4r

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_03f45c521f3cd54d98ef84791d43c289.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03f45c521f3cd54d98ef84791d43c289.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 208
          3⤵
          • Program crash
          PID:224
      • 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:3384
        • 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:3576
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3576 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3312
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3576 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:312
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:2096
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 208
            3⤵
            • Program crash
            PID:376
        • 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:556
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4488
        • C:\Users\Admin\AppData\Local\Temp\mksxhnwqvfummsgr.exe
          "C:\Users\Admin\AppData\Local\Temp\mksxhnwqvfummsgr.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4988
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 452 -ip 452
        1⤵
          PID:3632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2096 -ip 2096
          1⤵
            PID:1456

          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

            0ada2095c461df5a751955aa41dd491e

            SHA1

            8366c54b31e1ddc8016aa22aab8c83f73c690810

            SHA256

            80cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09

            SHA512

            135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c

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

            Filesize

            404B

            MD5

            db5d9f69d1975422cf7b26d8ea6078ee

            SHA1

            9d9346480106361e157d3ed9f38f40631e941287

            SHA256

            179d73cc443334907a6677ffc41bee12866af884088f39071f2ac4ac7c062771

            SHA512

            44f2fe2505a41bd1969f71140eec1f2b2ee803191641d39bd4e4acd271ee6d754a6c7f0fda5e1dbd4aa2eef7a79dfbd49499f87ef74e6fe2ca6bdfaaeb1e2688

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            105KB

            MD5

            03f45c521f3cd54d98ef84791d43c289

            SHA1

            003ad2fd8a998f9b214eebc3b72d200626293d7a

            SHA256

            00890c2fd2f4d4c875e00298bdbdce40b9bf2ceba40dae8fafdf724ead3b3f43

            SHA512

            e90a0be674cc56bf2672de55ea989a1e4c299e53d50f737756a2c7e1a3d4a6bb6963f092ea07c68f4f4cb54f1f57aadcb8115826b60082776c2eefd9adc3db35

          • memory/452-9-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

            Filesize

            4KB

          • memory/452-8-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

            Filesize

            4KB

          • memory/4384-18-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4384-5-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/4384-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4384-11-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4384-17-0x00000000772D2000-0x00000000772D3000-memory.dmp

            Filesize

            4KB

          • memory/4384-13-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4384-0-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4384-19-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4384-20-0x00000000772D2000-0x00000000772D3000-memory.dmp

            Filesize

            4KB

          • memory/4384-6-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4384-4-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/4384-2-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4384-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4384-34-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4988-36-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4988-41-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4988-40-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4988-35-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB