Analysis

  • max time kernel
    95s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2024, 05:10

General

  • Target

    488e75e28ed648af7738686a6c2ffc7b146c7ade30ee47dabe52bda4c4a9eeca.dll

  • Size

    212KB

  • MD5

    84c79a31b6ec4ddfb8af38bd82e397a9

  • SHA1

    5e8193d5438395bdb58636954f3841d56526a7f2

  • SHA256

    488e75e28ed648af7738686a6c2ffc7b146c7ade30ee47dabe52bda4c4a9eeca

  • SHA512

    ba9081b58d6e0dbb6126f01452d243e18ccddbab4bd068fd9a7db56d752509c24c0847e0a8055e582537ba78a19d0620f1d9726d76e42f8e32cda9a4e02b12a2

  • SSDEEP

    3072:an4cV8gf2u41Z5tKlwiIhKQGUppd4/nPxh:g4y8gOl2nIcNEdexh

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\488e75e28ed648af7738686a6c2ffc7b146c7ade30ee47dabe52bda4c4a9eeca.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\488e75e28ed648af7738686a6c2ffc7b146c7ade30ee47dabe52bda4c4a9eeca.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4896
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2512
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2012
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 204
                6⤵
                • Program crash
                PID:1992
            • 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:4660
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4660 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1272
            • 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:3964
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3964 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2012 -ip 2012
      1⤵
        PID:2100

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              471B

              MD5

              5e99ec80bb4e60401972729dff7db4f2

              SHA1

              a68a2f47614d8afd1b7afd1e0620d32cd393e2c0

              SHA256

              6ac6e0c6b415580d28c082f0e59f45289379890a167c088a557d3e2578b424e0

              SHA512

              7670c7e91ae9555458275effc570e107c9ae43b02e65f9200b773f9139dfe228faf55f5c4ac5d9d713d0231e16c129baf1c289534b42ac7b4d042f370240c654

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

              Filesize

              404B

              MD5

              6320136ab9305f53cc0d2854ecd117e7

              SHA1

              2756042b7f3d0bd7392846be026fe54d71f73707

              SHA256

              1297c887b8062694746a3b907a75ce4240d2e2a3ffcf5bcd8dc644abcfb90220

              SHA512

              99f0d87a64d00368b079cca1aa1354dcfce77ebb838fbe9692852d8115278d9e82c6ade266f200fc683bb00d05f2c9075493521d8362aa51624ec74ea1b8c609

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

              Filesize

              404B

              MD5

              35fae1f143ee77dcfc9e95634cb341d4

              SHA1

              49cd25c78babb8ffef772b4ff36f59d520319022

              SHA256

              c1183c042d47739836d173e85b5bdd3e86c5441ff32dbd94896edba8910ab9a8

              SHA512

              29f763a12bc69860a61499b3c403fd01db82bc4824933df4e7b3bd4a07ff0fb634a675a426ab1df374a91b238aa4158dd3ebf64fe4292231b74c8bce9ec1ace9

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9A421A14-BDC7-11EF-AEE2-D2BD7E71DA05}.dat

              Filesize

              5KB

              MD5

              0e79ac39eead9a50b5ecae0f0de196f9

              SHA1

              dfd4d0f589ef623d38de2957bd58f8aff2eb976d

              SHA256

              4a508233f74d1a838b1df927f3cc41b9acd6ac7e20b731e2b981c982ee2fea12

              SHA512

              0ae0aa3d3409c4e2462914e14f397b31e86eaebfb9c7a2115e0613e200864002639c0e12cac93df1d194d7b4ae9c2e0e2539717e2e0c6b15ce488b1eaabae985

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{9A46DF23-BDC7-11EF-AEE2-D2BD7E71DA05}.dat

              Filesize

              3KB

              MD5

              c4b05bc092eef9784eff46eef5aa44ee

              SHA1

              7cbfb58b0b4e66945e238395a29f8c99780ed4fe

              SHA256

              d2b9c6af271f9c4f7c5bf4b4084c17737b18bf1befbc1ac5dfe9f98032967461

              SHA512

              24fc09ba734c4bdb1a491273a78562f789c1fea8aaaf9bda567cbd812fc81000c5683443c3bf90f82ce2055711078a566932823afc6c5332b3ece23996639fbe

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver312E.tmp

              Filesize

              15KB

              MD5

              1a545d0052b581fbb2ab4c52133846bc

              SHA1

              62f3266a9b9925cd6d98658b92adec673cbe3dd3

              SHA256

              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

              SHA512

              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

            • 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:\Windows\SysWOW64\rundll32mgr.exe

              Filesize

              120KB

              MD5

              5c141e95c22363e31b6f25fcb6815d2d

              SHA1

              2eafcc1a58429a95548c33b3a081a361cea0456d

              SHA256

              79a77eec3120d0d12ba3da622f3f837d05f74821881e08edce7f9496ff901103

              SHA512

              ae0930b8a884643603307a27a6a5d219ab3ddb598ef58b7d74baaf10738b968d6a96c92c4f752f47e324930c2ed4cb6533d9ba140899ce051a8cb6f4ff637809

            • memory/384-0-0x0000000010000000-0x0000000010036000-memory.dmp

              Filesize

              216KB

            • memory/2012-18-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

              Filesize

              4KB

            • memory/2012-19-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

              Filesize

              4KB

            • memory/2512-14-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/2512-21-0x0000000077E72000-0x0000000077E73000-memory.dmp

              Filesize

              4KB

            • memory/2512-20-0x00000000005D0000-0x00000000005D1000-memory.dmp

              Filesize

              4KB

            • memory/2512-16-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/2512-24-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/2512-26-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/2512-15-0x00000000005C0000-0x00000000005C1000-memory.dmp

              Filesize

              4KB

            • memory/4896-13-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/4896-6-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/4896-7-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB

            • memory/4896-4-0x0000000000400000-0x0000000000429000-memory.dmp

              Filesize

              164KB