Analysis

  • max time kernel
    93s
  • 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 13:36

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 51 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:3268
    • 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:1528
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4032
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 204
            4⤵
            • Program crash
            PID:2104
        • 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:1652
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1652 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1636
        • 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:1484
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1484 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4032 -ip 4032
      1⤵
        PID:224

      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

        a35482f85fc698fcffc69b1562d0a8a6

        SHA1

        57668e4b3c70a25354e2edb1ea2a1f2b3e28fc0e

        SHA256

        0b1aa6b15296a481e5957e5983cffac7b44cb913673e407d3a1673de69b88e9f

        SHA512

        4d32033a7b882c129f952e0a14a4c9a966f51e8c7819a63053a603169f67eb11b1f371e42de067d1f79257a0936cc1313428cfb3aa0e133c46f4f351732a0971

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{FE3CFB3C-BC7B-11EF-AEE2-5227CD58F2D9}.dat

        Filesize

        5KB

        MD5

        65818788b6813de3e6e786f9636294cf

        SHA1

        c95eed789400fcbb666a0bad904bbe4c81d53454

        SHA256

        a58400e7a2486bb7c865583eaac22c5318e22ab7b477d1a662b03c49b7ca678e

        SHA512

        8cd997ea6f9cc93fba3ced23206278c93417a52299d8189083215e71afeef9598c690effb17f1ea3984a4962b99600f5a662587caee295a6ff903b818a7ace46

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{FE3F5D72-BC7B-11EF-AEE2-5227CD58F2D9}.dat

        Filesize

        3KB

        MD5

        454205aacd7cd82132545618f45056b2

        SHA1

        439ba9102c4392db582222626a62f69a78a2b46d

        SHA256

        604e909985c6aa19a141b5e909afc8ef10c3774b88d3ac4f0c58f77b1aa6545f

        SHA512

        3d500664dfd9e9b43c9b614db160b79b1ab48886ecf00daf5b968e877a30c54cd20bd6f922ba9dbedb046f594c119620bfa5ee5184d7d3a238163e26a97da87d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verA8.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

      • memory/1528-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1528-21-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/1528-29-0x00000000775B2000-0x00000000775B3000-memory.dmp

        Filesize

        4KB

      • memory/1528-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1528-24-0x00000000001E0000-0x00000000001E1000-memory.dmp

        Filesize

        4KB

      • memory/1528-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1528-37-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/1528-33-0x00000000775B2000-0x00000000775B3000-memory.dmp

        Filesize

        4KB

      • memory/1528-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1528-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3268-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3268-26-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/3268-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3268-0-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/3268-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3268-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3268-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3268-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3268-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3268-1-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

      • memory/3268-7-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/4032-31-0x0000000000970000-0x0000000000971000-memory.dmp

        Filesize

        4KB

      • memory/4032-30-0x0000000000990000-0x0000000000991000-memory.dmp

        Filesize

        4KB