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Analysis

  • max time kernel
    34s
  • max time network
    77s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 10 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67b59e779ca2cde9759fdbb3a4f76fd5.exe
    "C:\Users\Admin\AppData\Local\Temp\67b59e779ca2cde9759fdbb3a4f76fd5.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:628
    • 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\zcwgoq-_.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2176
      • 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\RES55F1.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC55F0.tmp"
        3⤵
          PID:3304
      • 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:1044
        • 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:2348
          • 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:668
        • 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:3624
          • 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:3576
        • 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:4796
          • 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
            4⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2492
        • 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:4348
          • 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:3028

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES55F1.tmp

      Filesize

      1KB

      MD5

      4b684a9929bacf117a73e277e8abf84f

      SHA1

      e82fc39199bffca8c72fdc94f21cb43dd73329f3

      SHA256

      47bc247ada42b2bfe81ffe3cb96187031b5f046edd86598b9a3a4b6b57541c60

      SHA512

      a5eebabb2ac4a280a88fae80c1b83af470ec0e613e1a281062dda3ca91a3d68d30e296f0dc92c3c24b50f37c18ff96796726823bad9aa9bc790c7adf473ffc7e

    • C:\Users\Admin\AppData\Local\Temp\zcwgoq-_.dll

      Filesize

      1KB

      MD5

      44332c9dfda88cdf707dde4f1c4229bd

      SHA1

      ee4aaad42d4095964ec7b5cac1c5037d3288c30a

      SHA256

      5ddf2d8cf52838194169238aa4597a024379a812924df21270096dbe58b7f573

      SHA512

      9c54b5e30f5118403db55ed65c6ce0040889e6d06c927b622fc8a47313acbecefe2f57d468ae7cb8cd829e813b8047398fcc04737ace6d7ab85919c0b8d9e4ac

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

      Filesize

      16KB

      MD5

      530f0d4fa63b33fd87407df2aa2f0f9b

      SHA1

      75b0b9555299e3a2359e76e4c0da330b8ccbbb50

      SHA256

      2d5db9c5097e230b08caddd3fbeae1f4ef4ad46aacbeb0255a8bcb91e41b30b4

      SHA512

      4536e2d7d094babb70c4dabf6e03c4c23c7e042a86f64564649538fbc416097bc1b954ad7d6f5b55496a9d0fa03c287d492292231af6dfca93099b23ec9bb245

    • \??\c:\Users\Admin\AppData\Local\Temp\CSC55F0.tmp

      Filesize

      652B

      MD5

      0b53519a6ff54a2920c428ea5a6388b8

      SHA1

      f6530dd283459c5b1cff4eda1d70011fa27157ce

      SHA256

      a7235b2db15f2bedf7b2ce8217f31720b01d2142fde412cd449e82ed3b259beb

      SHA512

      cddd40062ba74ad3a85b61386329949405fe0e4fa31b1f50a14e5f12d239ec93ba1fcfbe4951986d29609eb4885add28ae8290601fa3606774c633aaf93ac363

    • \??\c:\Users\Admin\AppData\Local\Temp\zcwgoq-_.0.cs

      Filesize

      4KB

      MD5

      7f1f970af88008f4bc9476dd5c0ca6d4

      SHA1

      214bf03499bbb4694e15680ce1d32f8550dba208

      SHA256

      6c56768f4d792f55e7f7d42df418ece4c4840a38aa4314fa7d86671e1b3b6eaa

      SHA512

      d04d3bbd99f58b268b2dfd30d2c1e353d95551a6ada286b7ff2c7fce608daab3e6662ea9a37487732dcda53e05446ccf14dd90b11e049336906d45145890ab9c

    • \??\c:\Users\Admin\AppData\Local\Temp\zcwgoq-_.cmdline

      Filesize

      206B

      MD5

      62cb3b508a90ec1f7a9c7c091ccfb486

      SHA1

      d44d1e9de43ca2eb61f66129d698280f89d4aad3

      SHA256

      3f8b18411386341bb93add2c5a7064353e757371c9164f8d806da764cc0f0746

      SHA512

      25b661eb22ec41910817057d8f2fee36c8630d73114de07a59e1b01c0be8d66296ba6e1ec405b41f96cebff8b3632edf4da659eb743ce2154489cd874c0e3a48

    • memory/628-1-0x0000000001B50000-0x0000000001B60000-memory.dmp

      Filesize

      64KB

    • memory/628-0-0x0000000074F20000-0x00000000754D1000-memory.dmp

      Filesize

      5.7MB

    • memory/628-2-0x0000000074F20000-0x00000000754D1000-memory.dmp

      Filesize

      5.7MB

    • memory/628-33-0x0000000074F20000-0x00000000754D1000-memory.dmp

      Filesize

      5.7MB

    • memory/628-32-0x0000000074F20000-0x00000000754D1000-memory.dmp

      Filesize

      5.7MB

    • memory/1044-31-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1044-25-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1044-19-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1044-34-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/1044-36-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2176-9-0x0000000002560000-0x0000000002570000-memory.dmp

      Filesize

      64KB