Analysis

  • max time kernel
    96s
  • max time network
    115s
  • 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 13:14

General

  • Target

    213ad7fbfc95bb62b0353a8c3640ee7172d9541882c13229f8e9fde429f60cbfN.exe

  • Size

    92KB

  • MD5

    f1263af9a4ed4288a9bb0d8214a6f040

  • SHA1

    9d835f7e7f92fd440fbd8fd5ed400b6b3e913a26

  • SHA256

    213ad7fbfc95bb62b0353a8c3640ee7172d9541882c13229f8e9fde429f60cbf

  • SHA512

    4cb6f01d825ddf104946fa02871e7a3aa5575ef622e4dbdbb9ee4d926e05ac7b968f8e36989b7311eb0546ed366546d066292b3c7a5779a4503912fa5e23ff74

  • SSDEEP

    1536:YVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEM:InxwgxgfR/DVG7wBpEM

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • UPX packed file 13 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 4 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 45 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\213ad7fbfc95bb62b0353a8c3640ee7172d9541882c13229f8e9fde429f60cbfN.exe
    "C:\Users\Admin\AppData\Local\Temp\213ad7fbfc95bb62b0353a8c3640ee7172d9541882c13229f8e9fde429f60cbfN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • 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:4564
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:428
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 204
            4⤵
            • Program crash
            PID:2756
        • 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:3508
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3508 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3976
        • 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:5068
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5068 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 428 -ip 428
      1⤵
        PID:3564

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        92KB

        MD5

        f1263af9a4ed4288a9bb0d8214a6f040

        SHA1

        9d835f7e7f92fd440fbd8fd5ed400b6b3e913a26

        SHA256

        213ad7fbfc95bb62b0353a8c3640ee7172d9541882c13229f8e9fde429f60cbf

        SHA512

        4cb6f01d825ddf104946fa02871e7a3aa5575ef622e4dbdbb9ee4d926e05ac7b968f8e36989b7311eb0546ed366546d066292b3c7a5779a4503912fa5e23ff74

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

        Filesize

        471B

        MD5

        641fd00a680e2a2b7c46da9f49d4ac01

        SHA1

        91342c03f46164a5ffba758b6201387912e09026

        SHA256

        69b70d73aed768e709b4e26268d4bfbb349d3ed2d7fc7bba042a347b29f1062d

        SHA512

        004e47e9e0623bf782ad71418257088902bec47d213027287c46393d7a413d69a69fd213df1781d3c49ddde689943d5c5f3ff844fb9cc81c7eeaf331b8a4344f

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

        Filesize

        404B

        MD5

        c4f6767d3c4311e09dcfbc54fea2c23e

        SHA1

        dd3772427a58653ab79c311e2fdd3a654f22f250

        SHA256

        5c14966aff827399d823c13f70287c67559a2cc21211c6cdb6f0b834856da5e5

        SHA512

        90d4a65aeb205a05b60e5e561565133762a2f198075fca3f07ab89b79d9c68891c8f2884d4cad431e11674c6385103e8ca9d138f29a8ff0397b8f8b4ca4e9920

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EB773632-BC78-11EF-ADF2-468C69F2ED48}.dat

        Filesize

        3KB

        MD5

        6796554e7a7d94d51ce7fbf5a1902ef5

        SHA1

        8d2cf6614c490cbfc7c6bd4053b9613ea2d46673

        SHA256

        21f2b1b5d669444945a1b6953ce23f4e100e0205db9076975399cdde562c7eda

        SHA512

        2d3eb4d6134fd0857ae6dac781c2698da289e2927c5ace3d550683896a5fc8cc54a1a853c958c8800fff0e9e010e4002e95d4055d616d4b9e2e95c7789bf3aaf

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{EB799700-BC78-11EF-ADF2-468C69F2ED48}.dat

        Filesize

        5KB

        MD5

        19592f1986003a4c94b3dd7afd069bd1

        SHA1

        ef8f05b4d6339c287ca822cd10bc1e380c1f2a08

        SHA256

        bcff292f4f80b24e52745416ec44598df569ef80f935342ddd51c84200949f3f

        SHA512

        044747bf4acfd24cc5df74a11b686690d9da7ab96522443cf3090a84007a4bbeb7402c860e1646fa3eff1f6355b436306758fbc0ab126fe097f4e96610da87a6

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verB56.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/428-30-0x0000000000E60000-0x0000000000E61000-memory.dmp

        Filesize

        4KB

      • memory/428-31-0x0000000000E40000-0x0000000000E41000-memory.dmp

        Filesize

        4KB

      • memory/3436-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3436-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3436-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3436-18-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/3436-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3436-0-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/3436-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3436-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3436-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3436-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3436-2-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/3436-1-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/4564-28-0x0000000077B92000-0x0000000077B93000-memory.dmp

        Filesize

        4KB

      • memory/4564-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4564-35-0x0000000077B92000-0x0000000077B93000-memory.dmp

        Filesize

        4KB

      • memory/4564-33-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4564-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4564-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4564-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4564-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4564-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4564-27-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB