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
    18-01-2025 21:25

General

  • Target

    JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe

  • Size

    104KB

  • MD5

    b4ef121242f51317028b4e1340a39dfa

  • SHA1

    44093b5600f754f5b4b9a7d01d638f727201c83f

  • SHA256

    1c16c326b5a46758e822b6cc755d8a48b4ff02b05061fd7e1f39deca629321fd

  • SHA512

    aa04ff289ce70ad9006efcc2354c92fe95b3603263f294f5f715e8874fbb6c181ba773098162b41c79ae150a41705200e2bb713ac953b9f8904f621830efb039

  • SSDEEP

    3072:mdkoV4I2VK/Jmp6Gb+eCDgb3GmT2Bb5jwaaHw7Koj4rG:gVR2VK/46GQ8gX

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_b4ef121242f51317028b4e1340a39dfa.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4ef121242f51317028b4e1340a39dfa.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 84
          3⤵
          • Program crash
          PID:2260
      • 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:100
        • 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:5028
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5028 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3512
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5028 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:964
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:2192
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 208
            3⤵
            • Program crash
            PID:4448
        • 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:1176
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3888
        • C:\Users\Admin\AppData\Local\Temp\ghbchkwtsfjbykcg.exe
          "C:\Users\Admin\AppData\Local\Temp\ghbchkwtsfjbykcg.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4460 -ip 4460
        1⤵
          PID:4064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2192 -ip 2192
          1⤵
            PID:2264

          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

            4363732b094e06ea613be8ca268f5460

            SHA1

            ad4d6ca8f2362a24800a1f752f99d7c55c0ce862

            SHA256

            0bc53d2e4ba5d43da581d2eda05c56f2c3a93407b3d35c8d630507c0fb81a21d

            SHA512

            b5c075fbcbead37980c28e3e8745339445d1e5bc4c873ca70995012c72f09dd1f4cd315faf02589be84fd6b7683673836df8d228cd94e6e6c3e3659081af4c99

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

            Filesize

            404B

            MD5

            56c1a5e0f39b24ecccd639ecb23bfd35

            SHA1

            5a17e87458d4934d72f3f76b2462233d6ece06ca

            SHA256

            6b9a351fc241a4cef0b784d7e65881d7687a6e5e1660afed79c7b397fbfaf5a9

            SHA512

            28b591629bce1ade3ef88f3ac9dcadcd2c4b4968d2c846a29f1e3c2971c55dface3204abbbc806f8040b523ec54333ce251addc7487a3956a5ffb4f73231f72c

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            104KB

            MD5

            b4ef121242f51317028b4e1340a39dfa

            SHA1

            44093b5600f754f5b4b9a7d01d638f727201c83f

            SHA256

            1c16c326b5a46758e822b6cc755d8a48b4ff02b05061fd7e1f39deca629321fd

            SHA512

            aa04ff289ce70ad9006efcc2354c92fe95b3603263f294f5f715e8874fbb6c181ba773098162b41c79ae150a41705200e2bb713ac953b9f8904f621830efb039

          • memory/4072-33-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4072-20-0x0000000077152000-0x0000000077153000-memory.dmp

            Filesize

            4KB

          • memory/4072-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4072-0-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4072-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4072-11-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4072-17-0x0000000077152000-0x0000000077153000-memory.dmp

            Filesize

            4KB

          • memory/4072-13-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4072-18-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4072-6-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4072-19-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4072-4-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/4072-5-0x00000000005E0000-0x00000000005E1000-memory.dmp

            Filesize

            4KB

          • memory/4072-2-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4460-9-0x0000000000D70000-0x0000000000D71000-memory.dmp

            Filesize

            4KB

          • memory/4460-8-0x0000000000D90000-0x0000000000D91000-memory.dmp

            Filesize

            4KB

          • memory/4788-36-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4788-35-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4788-41-0x0000000000400000-0x000000000043A0EC-memory.dmp

            Filesize

            232KB

          • memory/4788-40-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB