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Analysis

  • max time kernel
    142s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2024, 13:16

General

  • Target

    67b59e779ca2cde9759fdbb3a4f76fd5.exe

  • Size

    652KB

  • MD5

    67b59e779ca2cde9759fdbb3a4f76fd5

  • SHA1

    283d6b3b56462a6f0d0fdb050d2844948d96ecdc

  • SHA256

    01f8471b5baa722a8825377ba031baaf19328fb1e01e154d298a3bdbe5f21351

  • SHA512

    4e2db78905e2f392e5219c729c21dd51e934102d2b21d7a79c4f43340e6c27d73a9a237e394b7bb30a2d4aecda971d92ed3ff91b3c1067339cf7f1df57c18dea

  • SSDEEP

    12288:KIMWh8N44VA55J4NZphtIGSoA4TasL4Qfo2u8lp7d0dR+w653hvR/0055qV1:Kwc4H55J0ZpXae/fo2fl9dqy5ds

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67b59e779ca2cde9759fdbb3a4f76fd5.exe
    "C:\Users\Admin\AppData\Local\Temp\67b59e779ca2cde9759fdbb3a4f76fd5.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\3rvhpulw.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES1A74.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC1A73.tmp"
        3⤵
          PID:2600
      • C:\Users\Admin\AppData\Roaming\lshss.exe
        C:\Users\Admin\AppData\Roaming\lshss.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2672
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\YOUTUBE.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\YOUTUBE.exe:*:Enabled:Windows Messanger" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2508
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\YOUTUBE.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\YOUTUBE.exe:*:Enabled:Windows Messanger" /f
            4⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1900
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2456
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            4⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2176
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\lshss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\lshss.exe:*:Enabled:Windows Messanger" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2512
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2568
    • C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      1⤵
      • Modifies firewall policy service
      • Modifies registry key
      PID:2772
    • C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\lshss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\lshss.exe:*:Enabled:Windows Messanger" /f
      1⤵
      • Modifies firewall policy service
      • Modifies registry key
      PID:3036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3rvhpulw.dll

      Filesize

      5KB

      MD5

      9262ba31369d7789713cc13622ea44f0

      SHA1

      c584e7020eff95b3aebb20ca3b0e451f703a3f0c

      SHA256

      e51a2666fc1cbdab25a712c32449c76c6cdf4fd95b6cf3e45d148cf2ed9b03b9

      SHA512

      192721a2f150f6ad0a05c4689ea62ecabc2af71c8efbc049078f4272d0230bc65ccd71bbde161c4e1e190e4c2dc1cfd5f8e15916605ae5cdcf7baf994aeacb8f

    • C:\Users\Admin\AppData\Local\Temp\RES1A74.tmp

      Filesize

      1KB

      MD5

      9c2e8ac885ba21dd314191a88e288521

      SHA1

      9ae4ac79d518f9cf50666b19e9bf87141e9d79ea

      SHA256

      31920970323f56184f0fbc997bd432480537a184666406eb95572222cfbbb7ff

      SHA512

      63bc35559acbe445fa30b8b13d8ea101250a2e13420582348e8ef07f9bb78ed35f345adcd507b9904b2edf270b7f4b601adbebf130f249f7a9c6998b7123faf1

    • \??\c:\Users\Admin\AppData\Local\Temp\3rvhpulw.0.cs

      Filesize

      4KB

      MD5

      7f1f970af88008f4bc9476dd5c0ca6d4

      SHA1

      214bf03499bbb4694e15680ce1d32f8550dba208

      SHA256

      6c56768f4d792f55e7f7d42df418ece4c4840a38aa4314fa7d86671e1b3b6eaa

      SHA512

      d04d3bbd99f58b268b2dfd30d2c1e353d95551a6ada286b7ff2c7fce608daab3e6662ea9a37487732dcda53e05446ccf14dd90b11e049336906d45145890ab9c

    • \??\c:\Users\Admin\AppData\Local\Temp\3rvhpulw.cmdline

      Filesize

      206B

      MD5

      eabd65ec6edc9579914e73aff615d2f3

      SHA1

      83f2d58f37eaf4d47d18bb524094e34f209bb7e7

      SHA256

      497ac250fcc80636bb169a365202f4309e5ad90f0e317e9d33b92c90e3dfbded

      SHA512

      0a368377bc2c186facc46046aba2687471b57a4c6190b8073e0dbf8fa55d477ac72f9c764df6a552fc3439ed8269f35116e0cacc0fed11e52037078480fbce45

    • \??\c:\Users\Admin\AppData\Local\Temp\CSC1A73.tmp

      Filesize

      652B

      MD5

      67e477a42f74b5620e61cf6eb3ee76fb

      SHA1

      06c68a0c8192b29b48049b841164869fcfcb8e61

      SHA256

      74d88c61e1542dfa795cee877e228d1fcc1fc76175980303e88b2e70f8c389b5

      SHA512

      a5a2c93789650c018968173472b2ec8ad3dade7b5c3a1e67f89910436a6c56dc4d1ba627a6840ec2811514fc96c23e4ac97f6995573632ac8b03c1d709dcbe30

    • \Users\Admin\AppData\Roaming\lshss.exe

      Filesize

      16KB

      MD5

      530f0d4fa63b33fd87407df2aa2f0f9b

      SHA1

      75b0b9555299e3a2359e76e4c0da330b8ccbbb50

      SHA256

      2d5db9c5097e230b08caddd3fbeae1f4ef4ad46aacbeb0255a8bcb91e41b30b4

      SHA512

      4536e2d7d094babb70c4dabf6e03c4c23c7e042a86f64564649538fbc416097bc1b954ad7d6f5b55496a9d0fa03c287d492292231af6dfca93099b23ec9bb245

    • memory/2196-0-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-2-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-1-0x0000000000440000-0x0000000000480000-memory.dmp

      Filesize

      256KB

    • memory/2196-46-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-44-0x0000000074310000-0x00000000748BB000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-45-0x0000000000440000-0x0000000000480000-memory.dmp

      Filesize

      256KB

    • memory/2372-9-0x0000000000380000-0x00000000003C0000-memory.dmp

      Filesize

      256KB

    • memory/2672-24-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-48-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-42-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-43-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-27-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2672-30-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-26-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-50-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-52-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-53-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-54-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-57-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-58-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2672-60-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB