Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 04:30

General

  • Target

    f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588.exe

  • Size

    154KB

  • MD5

    d1a86d6617c02d6f108e23a07a8be6a0

  • SHA1

    196fe6f3acaf1973f0e3aee0e3836a8cb030f825

  • SHA256

    f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588

  • SHA512

    629dc73cce5f9b0532d817aa3e519a70812f8566f01ed4256d59ab9cc6c6339b6809ddc0e7ecd7a65ba6662577e6394d18dd151126596884e9e9ab9ca201863c

  • SSDEEP

    3072:vgh2I2r6EHIABO7Q+Wzk8jwaaHw7Koj4r0Q+nh1fz8xcOtfHDHDPf:6EH7yihLfzmj5bDn

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 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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588.exe
    "C:\Users\Admin\AppData\Local\Temp\f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:2796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 208
          3⤵
          • Program crash
          PID:428
      • 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:1076
        • 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:1576
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1576 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1148
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1576 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:444
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:2724
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 204
            3⤵
            • Program crash
            PID:3432
        • 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:3680
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4900
        • C:\Users\Admin\AppData\Local\Temp\psoviwjoojrdrvsb.exe
          "C:\Users\Admin\AppData\Local\Temp\psoviwjoojrdrvsb.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2796 -ip 2796
        1⤵
          PID:3596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2724 -ip 2724
          1⤵
            PID:3032

          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

            1f183ce23aead67e14c3472b43109763

            SHA1

            92e55d3557a1fdd6c2eab6282dee7d13134ae9db

            SHA256

            657a1895a158bfb57dce6059274bd063c0273a2421c903bc8978fd3250be3964

            SHA512

            5be76dbf70581a4a703d68ebe460875ef60373f52f39eaf4d65acd3b743d2f382b341dde170349f7001453041f8470091752c80f627633667344b4859848d2c5

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

            Filesize

            404B

            MD5

            ed1e757d096c0842e1b7595ad7374e58

            SHA1

            c1dbd9a601b64b3413cfd1f46f44f5f955410396

            SHA256

            a9334b4adf6a4be248df98c5c660ebc09f31ca3de472eb1c368bf297668e0c71

            SHA512

            e3324657738c1df461700cb9495e8063f96f26b626f4b8a7d3e1c5aab830aee06d47f77984e4d1e1e7892e16c11fcaac4ba60e4805215663e04ad81661649acb

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            154KB

            MD5

            d1a86d6617c02d6f108e23a07a8be6a0

            SHA1

            196fe6f3acaf1973f0e3aee0e3836a8cb030f825

            SHA256

            f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588

            SHA512

            629dc73cce5f9b0532d817aa3e519a70812f8566f01ed4256d59ab9cc6c6339b6809ddc0e7ecd7a65ba6662577e6394d18dd151126596884e9e9ab9ca201863c

          • memory/2728-44-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/2728-45-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2728-40-0x00000000004A0000-0x00000000004A2000-memory.dmp

            Filesize

            8KB

          • memory/2728-41-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2796-9-0x00000000009F0000-0x00000000009F1000-memory.dmp

            Filesize

            4KB

          • memory/2796-8-0x0000000000C90000-0x0000000000C91000-memory.dmp

            Filesize

            4KB

          • memory/3588-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3588-0-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/3588-18-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/3588-19-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/3588-20-0x0000000077B32000-0x0000000077B33000-memory.dmp

            Filesize

            4KB

          • memory/3588-11-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/3588-17-0x0000000077B32000-0x0000000077B33000-memory.dmp

            Filesize

            4KB

          • memory/3588-13-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/3588-6-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/3588-5-0x00000000021C0000-0x00000000021C1000-memory.dmp

            Filesize

            4KB

          • memory/3588-38-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3588-4-0x00000000021B0000-0x00000000021B1000-memory.dmp

            Filesize

            4KB

          • memory/3588-2-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/3588-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB