Analysis

  • max time kernel
    94s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2025 21:35

General

  • Target

    VirusShare_00d8c402742465f44bfc8e06a28c4fdc.exe

  • Size

    95KB

  • MD5

    00d8c402742465f44bfc8e06a28c4fdc

  • SHA1

    04fa2138cf1d9c56ae9294aef583f26ae17b5063

  • SHA256

    2366e3cdd8b2092f33214043398b597ab25c0607eb9e436bcc84637ffd52e686

  • SHA512

    47f67504d9100c679a422c41b1ac325dfa1e0db77b7d16756f127ada4616a3fe9fd2ae2b77f20b2d1932a13e7f841d7790e3582206c592d4ac1fe74e5f70c13b

  • SSDEEP

    768:+06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:MR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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\VirusShare_00d8c402742465f44bfc8e06a28c4fdc.exe
    "C:\Users\Admin\AppData\Local\Temp\VirusShare_00d8c402742465f44bfc8e06a28c4fdc.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4724
    • 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:1900
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3928
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 204
            4⤵
            • Program crash
            PID:2136
        • 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:4560
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4560 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3944
        • 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:5076
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5076 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3928 -ip 3928
      1⤵
        PID:3372

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        95KB

        MD5

        00d8c402742465f44bfc8e06a28c4fdc

        SHA1

        04fa2138cf1d9c56ae9294aef583f26ae17b5063

        SHA256

        2366e3cdd8b2092f33214043398b597ab25c0607eb9e436bcc84637ffd52e686

        SHA512

        47f67504d9100c679a422c41b1ac325dfa1e0db77b7d16756f127ada4616a3fe9fd2ae2b77f20b2d1932a13e7f841d7790e3582206c592d4ac1fe74e5f70c13b

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

        Filesize

        471B

        MD5

        05a55aacc33432fec9fea490f5c69442

        SHA1

        bd2dd697d6e49290ff51f6f8e2db9bde87e72860

        SHA256

        65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

        SHA512

        91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

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

        Filesize

        404B

        MD5

        30f9d0623e60d7ffdf68e63abcec5e2c

        SHA1

        c933ff297fc1f68527f5f21fcc9315f608aec084

        SHA256

        bf0d3391ac2e1aa1c88af521a0ed205d985534e7540e8b797a021ddcf3b60475

        SHA512

        08627ed50693c962abe3127cb0ec9c76f0a980a11fc9f74bf5374c1ad40a7b616e0628fe3f794688c2fe6dc6aa87de6908a48bd479eb5b3df2255b144f88beae

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{08CED61B-D064-11EF-A4B7-7E3D785E6C2E}.dat

        Filesize

        3KB

        MD5

        2d2b4d02995ba1797c2aaeae07ffaf5d

        SHA1

        6f3d6313c90f03f5a9aad6a06693281b356b69db

        SHA256

        679f1b88bfa051ab6bbbcb565a6a8c5f684a430e321151e837334d015ae7aae9

        SHA512

        43dac12ce75d204e6aa5ca3931971f8e93f9f86dc96049ddc6f70a338d8fe106beb2e304c067e2d363a712575b6765f78985c240d903888d28f09437d4d19f27

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{08D138CB-D064-11EF-A4B7-7E3D785E6C2E}.dat

        Filesize

        5KB

        MD5

        ed730040540e3952c121b24a252e1bc1

        SHA1

        969353b3ef8c2b645c596d593959272d09fc896b

        SHA256

        d527d84d471cc4b7108ee3e1e2d839df3043879a3fee3a932289fec5e796aad9

        SHA512

        b4cd736b1548620fabf0e4d1dca3e73182090bda562b2260eb5a7212480e142e2f9aacabb2376776fa37cd40e2aed37d9f86c9fcef3ec7964f560e3278d93729

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver220A.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1900-18-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/1900-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1900-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1900-35-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1900-34-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1900-33-0x00000000778F2000-0x00000000778F3000-memory.dmp

        Filesize

        4KB

      • memory/1900-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1900-23-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1900-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1900-29-0x00000000778F2000-0x00000000778F3000-memory.dmp

        Filesize

        4KB

      • memory/1900-28-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/3928-32-0x00000000010F0000-0x00000000010F1000-memory.dmp

        Filesize

        4KB

      • memory/3928-31-0x0000000001110000-0x0000000001111000-memory.dmp

        Filesize

        4KB

      • memory/4724-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4724-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4724-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4724-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4724-2-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4724-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4724-0-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4724-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4724-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4724-7-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/4724-3-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4724-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB