Analysis

  • max time kernel
    96s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 01:12

General

  • Target

    9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46.dll

  • Size

    496KB

  • MD5

    d7b399149f64c090b6c255f2879ce047

  • SHA1

    3d9fa465988b60fd0453ee1a6c97fa59c36c237f

  • SHA256

    9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46

  • SHA512

    861872a8a7e3c443bf3a00cc97e84566c9b3828d733174c8b872890790f46f0c34a987965bd10f49341712095a0ba9c7acf88617edfb5542ac6b2c028a02f6c1

  • SSDEEP

    12288:mehnaNPpSVZmNxRCwnwm3W3OHIIf5+UUHz1z8:meh0PpS6NxNnwYeOHXRUHhz8

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 10 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 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 55 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 UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2040
      • 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 UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1808
        • 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 UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:2064
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:520
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 204
                6⤵
                • Program crash
                PID:232
            • 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:3592
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3592 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4428
            • 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:3756
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3756 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 608
          3⤵
          • Program crash
          PID:2616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2040 -ip 2040
      1⤵
        PID:4692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 520 -ip 520
        1⤵
          PID:384

        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

          ec237169ada59f1945749967a6d3d7f0

          SHA1

          e8fe32e8fa527409463d3fa0d63b6bdf709d7bd6

          SHA256

          b783f55456ca301f00aab79b6a0720bfb2450aefd094e6026231fab663152d70

          SHA512

          d5b5bff9f6afb36817c2c556e67c4ed7fc787a51bef623eb7150b596cc4cc88bee4b10b5eccae2c2ed0055653166f68bf75f2375ce4689666eb42330361de2d5

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

          Filesize

          404B

          MD5

          df07ca9bb0a63ee0f67ee774e9b2b1a0

          SHA1

          212c0f9681d1317984a58dbb46fd07d921bebd72

          SHA256

          1f2bd8df5970ccae897f831a467cd8fffc47ee3cf4e19ec1198cf76b5eacb383

          SHA512

          e8b31b31845b0c2071edf83db8c2a051aae4c88b521dcec165988049f17f3166d15e3037547383b5a30f53607fe7619b5915b61dc866e921d4917282305f89fa

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

          Filesize

          404B

          MD5

          8852f59f61cee7da33909a485548a2c5

          SHA1

          3f10e7c46de563d2809d407b1900cedba184b9b2

          SHA256

          c6a2ee534d092b385d998548093d3c75dce2df9734de91f3877a2c824d3b9bfb

          SHA512

          73ebba20b1650fd75d14a2a3b3bb2df2006976e06f9eb1d223c728102967802356873ff4f5e738bf55cc16f4c0eefe2d1e7939d61363b6d5ca716f2a0d4f9353

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{07435090-BC14-11EF-AF2A-C67090DD1599}.dat

          Filesize

          5KB

          MD5

          fb124b05c3a73eefd8ecf4d6f9ade7e8

          SHA1

          8b5731ca2bc7cc1656d68a72e8f5a74d770cbb6c

          SHA256

          727599f1ef87efa4e5ad1dcf213b6af9e3fb34b51ce54a50c5bab2053327357d

          SHA512

          4d45c33e821d9a9ad7c0ffd92369b94253f5a75280905711ae2c7423ad8ab5ac05d177ffd11f536fb3dbe4ad834f9de8fc14f060c536a7c28b655a401bdfe8a6

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{07481561-BC14-11EF-AF2A-C67090DD1599}.dat

          Filesize

          3KB

          MD5

          87b536a823cd4f60089b9bb2e41db989

          SHA1

          d35c477e7fd20d1023ca26e2e7961952327ac2b9

          SHA256

          fe17b7057333129bb2d798cb897ba330b2e0d7a86c5a7a22b8bcf995365653b9

          SHA512

          8ee64b1b8c80851d5d8b6c200763aa6f8dc88dd4cc98613201736ec72835970fdd17bc619f1e27a0c4b78653c22d613040ad957937c0916a6c9d1799b74f0536

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE232.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          113KB

          MD5

          d27ec67fd410aa4098dfbcd49c426f99

          SHA1

          24221d42fee511bac9e2e91ba9711bce91ae0756

          SHA256

          8129bf0a0833d714965c4e06e7b7b2787c949c109a32e14775018443781e64ad

          SHA512

          f0f5167dbb87b9f5f97b5e50bf8d6c3051581816eae2e511b046146b06127c8a26d0424fa4ef91f30fcd36ba00b03dce50a4b0ccf34b673e0ef0dbebbf87ba3e

        • memory/520-33-0x0000000000D30000-0x0000000000D31000-memory.dmp

          Filesize

          4KB

        • memory/520-34-0x0000000000D10000-0x0000000000D11000-memory.dmp

          Filesize

          4KB

        • memory/1808-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

          Filesize

          4KB

        • memory/1808-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1808-5-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/1808-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1808-16-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1808-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1808-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1808-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1808-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2040-35-0x0000000010000000-0x000000001007E000-memory.dmp

          Filesize

          504KB

        • memory/2040-1-0x0000000010000000-0x000000001007E000-memory.dmp

          Filesize

          504KB

        • memory/2064-36-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/2064-38-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2064-41-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2064-21-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2064-37-0x0000000077282000-0x0000000077283000-memory.dmp

          Filesize

          4KB

        • memory/2064-30-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2064-31-0x0000000077282000-0x0000000077283000-memory.dmp

          Filesize

          4KB

        • memory/2064-29-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB