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
    17-12-2024 13:45

General

  • Target

    bd69f8c1b6c741ad28cf5cdeb913d5b853e02e46b259a5c95755d3fe7f3a05a6.exe

  • Size

    92KB

  • MD5

    072de59bce534cf0a549ff647cb5dc90

  • SHA1

    b5ab0f68a440b092ae224115cae7cea124e3e49e

  • SHA256

    bd69f8c1b6c741ad28cf5cdeb913d5b853e02e46b259a5c95755d3fe7f3a05a6

  • SHA512

    b8a3b962ed6f34c875aba2e4fc95210461d5d86fdef893f3aac5365a79a43f76b8805192b3b315cfcc5aacb9e7bacd3679a9a1ba2d9bfc7bd019b8b48f6b308c

  • SSDEEP

    1536:YVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE0:InxwgxgfR/DVG7wBpE0

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 48 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\bd69f8c1b6c741ad28cf5cdeb913d5b853e02e46b259a5c95755d3fe7f3a05a6.exe
    "C:\Users\Admin\AppData\Local\Temp\bd69f8c1b6c741ad28cf5cdeb913d5b853e02e46b259a5c95755d3fe7f3a05a6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2036
    • 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:3532
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1012
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 216
            4⤵
            • Program crash
            PID:4292
        • 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:3688
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3688 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4472
        • 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:2816
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2816 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1012 -ip 1012
      1⤵
        PID:3608

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        92KB

        MD5

        072de59bce534cf0a549ff647cb5dc90

        SHA1

        b5ab0f68a440b092ae224115cae7cea124e3e49e

        SHA256

        bd69f8c1b6c741ad28cf5cdeb913d5b853e02e46b259a5c95755d3fe7f3a05a6

        SHA512

        b8a3b962ed6f34c875aba2e4fc95210461d5d86fdef893f3aac5365a79a43f76b8805192b3b315cfcc5aacb9e7bacd3679a9a1ba2d9bfc7bd019b8b48f6b308c

      • 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

        471d730d625d7bea6175abd2a5ed5a9f

        SHA1

        8c9a76c1dd07af6a4122d925745977006311cee9

        SHA256

        7440c61f65ee8dfd48dea075362efabeed26d284c9e706837f4eec25e2dbb671

        SHA512

        3e39dd5901c64ff37e709c3a54bd76b50544dadd4829aa722c155e5fb96003b8b07220a8e17d45dc40ad3e01fe4c324b9c4d2ea093c79aeb1d6fb5bf900070e7

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

        Filesize

        404B

        MD5

        871af0d1c9ea7d0b777807a2bbe68300

        SHA1

        05b35a659cc017ab65486ca731b84beef6e2241c

        SHA256

        f3bc6a1ea6c37d5ba54a8c6eabc65cb9d8d3e650da5c1739f0467c4fe2ded720

        SHA512

        b2203b5a9ec117986017b57c9f261dbb980e0c6503a2a90ff27b2412d6760ea81c0a6b22b69c3c7073c86738a75894c0f05589f019482e495918b3dec05ea9ef

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{32631593-BC7D-11EF-B9B6-FAA11E730504}.dat

        Filesize

        5KB

        MD5

        a4bfadf251f5b95d41e71a3dd261bb2e

        SHA1

        b0a500a66d2b6ce01da3a728c85e757cb30c5eb2

        SHA256

        f703c5619b0a062a51dc31219fbeb20ce5a8663950e3aca063dc4daec5ad3c6c

        SHA512

        35a26dae985b10a6f733bd6ad8ebc79e6383260ee880f6a49927fe889a03a1ab31cbf1544fd7bf208a58d7b0a97140e4560bc21a3c009660cdf3d731a6ed5ff6

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{3265783D-BC7D-11EF-B9B6-FAA11E730504}.dat

        Filesize

        3KB

        MD5

        dcfe9cd75ea887e7b8e923e7636b85eb

        SHA1

        d385a66ccfcc9f4871d9294f08984ba282939826

        SHA256

        84f84e49ccd3e68a483c34627ed529d3eab44f6a7f60b5e82365e8b3c0bb00af

        SHA512

        f9d3cd5555d143183c0371b2c2d60440dc28c2851f22e3f43e65c0d27dbd042e9133db824b7204b78cf648e6d19273c206a3debedc1b300c7cfa53450482c074

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2DE1.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

      • memory/1012-30-0x0000000001240000-0x0000000001241000-memory.dmp

        Filesize

        4KB

      • memory/1012-31-0x0000000001220000-0x0000000001221000-memory.dmp

        Filesize

        4KB

      • memory/2036-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2036-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2036-1-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2036-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2036-0-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/2036-4-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/2036-17-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/2036-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2036-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2036-5-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2036-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-28-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

        Filesize

        4KB

      • memory/3532-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-35-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

        Filesize

        4KB

      • memory/3532-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3532-32-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/3532-27-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/3532-22-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3532-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB