Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 21:55

General

  • Target

    31fa8967a1daf46f9a63f6236aae0b5aca847a5738f4adf74e6a70542d2642b3.exe

  • Size

    505KB

  • MD5

    4d29c344dad1402d73c8fb892e8d5273

  • SHA1

    c84b28dd9f7de1d7d095339ea2f6d3b16345afe8

  • SHA256

    31fa8967a1daf46f9a63f6236aae0b5aca847a5738f4adf74e6a70542d2642b3

  • SHA512

    18d7f92256a527d8caac2a03d06dc1cb20974d25ca56aa92225e386d1be2acb97777e5f162dfe1287c444b4a82389d18ce1bcfedc4c6c16e96d2214d036eaba6

  • SSDEEP

    6144:2wBHhWBLXgF+NnSqHrp4wTNGuw7Rytx98J+p0Mu0FZMxiftlxRmB7wZ5:2eHktX2pqOwWoiAr9dRmhw

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31fa8967a1daf46f9a63f6236aae0b5aca847a5738f4adf74e6a70542d2642b3.exe
    "C:\Users\Admin\AppData\Local\Temp\31fa8967a1daf46f9a63f6236aae0b5aca847a5738f4adf74e6a70542d2642b3.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1664
      • 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:524
        • 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:1740
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:584
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:240
      • 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:1108
        • 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:1780
      • 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\Q8RNYZBCTS.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Q8RNYZBCTS.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Q8RNYZBCTS.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Q8RNYZBCTS.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:1640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe

    Filesize

    31KB

    MD5

    ed797d8dc2c92401985d162e42ffa450

    SHA1

    0f02fc517c7facc4baefde4fe9467fb6488ebabe

    SHA256

    b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

    SHA512

    e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe.exe

    Filesize

    31KB

    MD5

    ed797d8dc2c92401985d162e42ffa450

    SHA1

    0f02fc517c7facc4baefde4fe9467fb6488ebabe

    SHA256

    b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

    SHA512

    e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

  • \Users\Admin\AppData\Local\Temp\svchost.exe.exe

    Filesize

    31KB

    MD5

    ed797d8dc2c92401985d162e42ffa450

    SHA1

    0f02fc517c7facc4baefde4fe9467fb6488ebabe

    SHA256

    b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

    SHA512

    e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

  • memory/1516-55-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1516-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

    Filesize

    8KB

  • memory/1516-66-0x00000000742E0000-0x000000007488B000-memory.dmp

    Filesize

    5.7MB

  • memory/1664-60-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1664-61-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1664-58-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1664-57-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1664-79-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1664-80-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB