Analysis

  • max time kernel
    148s
  • 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
    01-01-2025 02:22

General

  • Target

    JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll

  • Size

    168KB

  • MD5

    43bf7dd7ae653cc429a476f4812c44f2

  • SHA1

    e30793ba85d988546b9db073abfbb8bf15617a2a

  • SHA256

    2d549f2949ac1525fca397baf8ec6b932e4734380c8ae9614e845af4ba7f660b

  • SHA512

    64656c338637377207c1e8df7cbc3dfa66a695940dd0927ed816d5c30afa4873a0786b9b1d3b0751ea2626677ac6253aa8b71b04012fcc2a48421776e4a3c78d

  • SSDEEP

    3072:w7nmEOsOmajrUSjh1U7SfmS7UZZF3n4DtJQETeJ6MjtxeTU6dsLBqBMlSd/EXUKV:w7mEOs1ajrUSjh1U7SfvUZZFvT9eTLdu

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 2 IoCs
  • Drops file in System32 directory 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 7 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 36 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 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43bf7dd7ae653cc429a476f4812c44f2.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4324
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1300
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:372
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 204
              5⤵
              • Program crash
              PID:1968
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1976
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4528
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4528 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3044
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4528 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2752
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:3196
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 204
                5⤵
                • Program crash
                PID:2180
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2884
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:2524
            • C:\Users\Admin\AppData\Local\Temp\sfecatydhggxbbay.exe
              "C:\Users\Admin\AppData\Local\Temp\sfecatydhggxbbay.exe"
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 372 -ip 372
        1⤵
          PID:2888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3196 -ip 3196
          1⤵
            PID:2036

          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

            febff5e5b64433316ee5f116c5c14309

            SHA1

            55a533777edeed0d18304f073d59d5ca1e5c7737

            SHA256

            888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

            SHA512

            cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

            Filesize

            404B

            MD5

            dda7cf37c15a6c06405e356efdcc53a1

            SHA1

            46f3ecef164142753ca4ff2ff512cb4567e5180f

            SHA256

            0b385ed6b084b575bb85aa46119c8b7fe8d9f01e2b7eecc2d9c75914af0c6528

            SHA512

            aa9527b794b071cfce9fea5662d28b1d50499cb3a280b0379c95d161a507075b5efe753a24d1cb34934c58535604e549e7235b540acadf938bb365af2335f918

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Windows\SysWOW64\rundll32mgr.exe

            Filesize

            88KB

            MD5

            e34d08915eba534585b74b885b587811

            SHA1

            aa7dbe6413697bccc12e10984d34b18b29b82392

            SHA256

            5f52464b6c257b2065441998b0d3e71dac1e5453d18d4c86c24b43fd0d298a37

            SHA512

            99d00fc033aef4cf0921c59494348ae1aec931771e2b514937de282cc1c2b5487d508aeffcdc285c5d82bdea9c369aeb29979fd21df589f59f04ec1712eb931b

          • memory/372-15-0x00000000008C0000-0x00000000008C1000-memory.dmp

            Filesize

            4KB

          • memory/372-14-0x00000000008E0000-0x00000000008E1000-memory.dmp

            Filesize

            4KB

          • memory/1300-10-0x00000000006F0000-0x00000000006F1000-memory.dmp

            Filesize

            4KB

          • memory/1300-24-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

            Filesize

            4KB

          • memory/1300-11-0x0000000000700000-0x0000000000701000-memory.dmp

            Filesize

            4KB

          • memory/1300-7-0x000000000042A000-0x0000000000433000-memory.dmp

            Filesize

            36KB

          • memory/1300-4-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/1300-21-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

            Filesize

            4KB

          • memory/1300-17-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/1300-22-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/1300-23-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/1300-13-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/1300-8-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/1300-5-0x000000000042A000-0x0000000000433000-memory.dmp

            Filesize

            36KB

          • memory/2104-47-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/2104-46-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/2104-45-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2104-51-0x0000000000400000-0x00000000004321C8-memory.dmp

            Filesize

            200KB

          • memory/4324-0-0x0000000010000000-0x000000001002B000-memory.dmp

            Filesize

            172KB