Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 00:27

General

  • Target

    f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.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 38 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\f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
    "C:\Users\Admin\AppData\Local\Temp\f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 204
          3⤵
          • Program crash
          PID:2252
      • 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:2824
        • 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:3028
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3028 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4988
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3028 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2736
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1472
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 212
            3⤵
            • Program crash
            PID:3160
        • 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:1368
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:5048
        • C:\Users\Admin\AppData\Local\Temp\qbembqsavdtidakc.exe
          "C:\Users\Admin\AppData\Local\Temp\qbembqsavdtidakc.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 820 -ip 820
        1⤵
          PID:2644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1472 -ip 1472
          1⤵
            PID:1852

          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

            87f8376b71b1fd35da4b511eff055888

            SHA1

            0c55fba0aa699282bbe4d129dd0ba16d4e377ce9

            SHA256

            a1383ed3b4f8967fb19f5b16bfe41eb3242b296ffc06c1098fbe1d1a04a7003f

            SHA512

            8556ed20a3d9daf8f74b2eceaab6a3773b69d5c9524ba8dbb8af1ad64b2235165e487c41646e357be5906aaa7f0f4c57ff8dc9ea2acc0c87f443d3ad083c9031

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

            Filesize

            404B

            MD5

            6e4e4cadd8baafda9eff23b4d69b36fd

            SHA1

            1a0bb257f4689840e585d53403f74838b8eacf81

            SHA256

            567530852e03e143865fd8349ebe376f864d43b251c2265301ec4d402ad51502

            SHA512

            376821ef0a6bb4a94806d68119471f41d45362e57315a25c8e148731d649d0c0a00344c6861a6cf075514275e64ba41a8db45d08f42e1aaed7f012bba8cacf1f

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1A3A.tmp

            Filesize

            15KB

            MD5

            1a545d0052b581fbb2ab4c52133846bc

            SHA1

            62f3266a9b9925cd6d98658b92adec673cbe3dd3

            SHA256

            557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

            SHA512

            bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            154KB

            MD5

            d1a86d6617c02d6f108e23a07a8be6a0

            SHA1

            196fe6f3acaf1973f0e3aee0e3836a8cb030f825

            SHA256

            f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588

            SHA512

            629dc73cce5f9b0532d817aa3e519a70812f8566f01ed4256d59ab9cc6c6339b6809ddc0e7ecd7a65ba6662577e6394d18dd151126596884e9e9ab9ca201863c

          • memory/532-18-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/532-20-0x0000000077562000-0x0000000077563000-memory.dmp

            Filesize

            4KB

          • memory/532-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/532-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/532-11-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/532-17-0x0000000077562000-0x0000000077563000-memory.dmp

            Filesize

            4KB

          • memory/532-14-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/532-0-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/532-19-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/532-42-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/532-6-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/532-4-0x0000000000900000-0x0000000000901000-memory.dmp

            Filesize

            4KB

          • memory/532-5-0x0000000000910000-0x0000000000911000-memory.dmp

            Filesize

            4KB

          • memory/532-2-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/820-8-0x0000000000C40000-0x0000000000C41000-memory.dmp

            Filesize

            4KB

          • memory/820-9-0x0000000000C20000-0x0000000000C21000-memory.dmp

            Filesize

            4KB

          • memory/1792-44-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/1792-43-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/1792-49-0x0000000000400000-0x0000000000439E00-memory.dmp

            Filesize

            231KB

          • memory/1792-48-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB