Analysis

  • max time kernel
    94s
  • 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
    23-12-2024 01:34

General

  • Target

    a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d.dll

  • Size

    270KB

  • MD5

    a4ce9ab0377a3698c5e2c3d5ea2b616a

  • SHA1

    3bd80b4ab1d779f3d7ec657dae1eb8cc8157fcc8

  • SHA256

    a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d

  • SHA512

    00c8b31d5203e9b1afa6c4c4bfc90b04826d788022604477920400d25c76b6398add81e6e4970656e7a8130f05d60747dcd3c2ab900ddbdbf2c873930a656ef8

  • SSDEEP

    6144:xMJOWK4l0wqOVq1dQAUNf0FlpT8tZ6vRSM:x2OWK4llpH50FLT8tAvRSM

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 12 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 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\a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a10dabae652c96f0eaab4e802c24573ff52afcdeb66b9c27a329e82c417d5c8d.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4396
      • 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:860
        • 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:2788
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2208
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 204
                6⤵
                • Program crash
                PID:728
            • 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:4164
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4164 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1884
            • 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:4900
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4900 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2208 -ip 2208
      1⤵
        PID:4356

      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

        36ed732b90a27bd5f4716645a456ad34

        SHA1

        93caaf2e2b76b96142e3a9865eb12aa6aab4296e

        SHA256

        a41bae0a57d70f030a24668e1e68cfec75c27ed94105d8ae895025edfef3132e

        SHA512

        460f8f4e5bc5f445c7f175699c80e86e2f4c1822a4e7c3ecb07de224db0c7428f74058fa3e164b3fde0777af2818da0e9e831b869e8bd7b1ffb3b4abc794fbd2

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

        Filesize

        404B

        MD5

        541d8a2a42cd1c2d8bfa2a240f477bb9

        SHA1

        fb03cef5be47a5fddf9df7416b215b0a436c182a

        SHA256

        223266c54590ba175c829266dea876a5cf74392a8ecc6382b062e6ce09b9e0fc

        SHA512

        0c1a272a36e3b308484429f19619faefdfd1658abdfafbaac28db94825cc327f6e2359fa0cacb37de7c3c1fdad827692ebb1f5c0c05bc15d2cafa59c53e4617b

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

        Filesize

        404B

        MD5

        d49703a0e7b1fa975a6b74e996775b94

        SHA1

        6d1f41538504924ca573e69a1c4c7de2b11d92e5

        SHA256

        3a875346e0d3fd862f28f73b54ec854ad163785063b0761f30b8f10f12ecf510

        SHA512

        3f7e18354d78d045d4d51ae43d71d550dadd1b426cf5f2badb86fad70a93373d08ff98c9c8937192696b50d2df836863fcebc42d4c791bbb0526b96464d1f904

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{1308FBE8-C0CE-11EF-B9B6-468C69F2ED48}.dat

        Filesize

        5KB

        MD5

        315093f8141daf54685a38153e141377

        SHA1

        f4dd08c12a9da6852be7d45631e684a7c3ab358e

        SHA256

        6b2c12d160f8bef1fe8a2af6d7ee68667cf12cb1c7c67cda96ea553519e2fb0f

        SHA512

        265c753a13c15a1548149bb85edc5d0001f3262130cf390937316a5c37089566679b6cbc37deb6db14de8e376c906869aa55d1689fd25c28a7bac7afd412a194

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{130B5DD9-C0CE-11EF-B9B6-468C69F2ED48}.dat

        Filesize

        3KB

        MD5

        0e56db29434a0f17764d7d236adb0e1b

        SHA1

        a9ad7f12577a738820d3b603ddb9867fee3dee1d

        SHA256

        295774a4766cec211199802395ff1b76f5c424d533f82f8124b3e46dc477dc98

        SHA512

        6e036acc36d0bca044c7eb5e8e7b2e9b6a7033e7b121e8d060925c8e21058e84f45dbc7f815a7332e97b038a218aa42935c5842679b7425f4e067e4239ffb6c8

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver125A.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        119KB

        MD5

        6ccc1cdfb26daeb170fe75a4a476d30b

        SHA1

        00cb344695ad75cb667c1335d92f87ed8e7250a3

        SHA256

        5128c0d27138fa7f11f79bc77f5d8f6e585b13a92ea582114a4e7a57922eac06

        SHA512

        3f922709b0c1a83247e78ccf7e5c52fba6b2a9c4f6daf7382f8889c4571dbf89bf44bee487ff0954a02df07cdbc480e73a75d9bff2409cf1c44397853405046a

      • memory/860-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/860-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/860-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/860-4-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/860-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/860-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/860-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/860-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/860-11-0x00000000008A0000-0x00000000008A1000-memory.dmp

        Filesize

        4KB

      • memory/2208-33-0x00000000003B0000-0x00000000003B1000-memory.dmp

        Filesize

        4KB

      • memory/2208-34-0x0000000000390000-0x0000000000391000-memory.dmp

        Filesize

        4KB

      • memory/2788-31-0x0000000077862000-0x0000000077863000-memory.dmp

        Filesize

        4KB

      • memory/2788-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2788-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2788-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2788-36-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2788-35-0x0000000077862000-0x0000000077863000-memory.dmp

        Filesize

        4KB

      • memory/2788-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2788-30-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/2788-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4396-0-0x0000000010000000-0x0000000010048000-memory.dmp

        Filesize

        288KB