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Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 01:52

General

  • Target

    29d280740c7417431fd927ce30dbcdf0N.exe

  • Size

    2.0MB

  • MD5

    29d280740c7417431fd927ce30dbcdf0

  • SHA1

    4ff07e2440f2640aab42cd6c8e98245c24c99a3f

  • SHA256

    b9d090a1f6ce6a1763fbabbab76174b64aaa6805f4d13117def8e9e229a7e05f

  • SHA512

    826d2a85fbe02717840552be6e69252b5e366aa2e4ea122d0eec55e686ac919ffc876a1626bbdaffea7f5291da1a8febcb3f33e72cd9400134d55540a3573402

  • SSDEEP

    49152:MsThC6TYNwUXz+JR2wjx8+X5gZ+th1aaucQPfM7cSCGDt7WWcrRhajx3l7bQonWN:MsThC6TYNwUXz+JR2wjx8+JgZ+th1aaO

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29d280740c7417431fd927ce30dbcdf0N.exe
    "C:\Users\Admin\AppData\Local\Temp\29d280740c7417431fd927ce30dbcdf0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZTSnl.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDef" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4928
    • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
      "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4996
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2004
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2304
        • 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\Directory\Windowsdef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4496
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4764
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5108
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4336
        • 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\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:808
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4880
      • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ZTSnl.txt

    Filesize

    152B

    MD5

    130a1ad614bfc1851533b7a02e302622

    SHA1

    6cd68d0bacb7b24ca9baedc80d90f1bfca3bb92c

    SHA256

    4620f5f49d3f3c3fcb10d7dd83e5fdc0b2efd44ae429ee5a8dc3e64d76e6bc9a

    SHA512

    16b5e40deb2e66287b86bbff11ac986f36b94a5849fbe2ed7124296e95d563ec0e9b00cbd6008c993c383d1610d371177faf5a9cd5da77a34a778e901f9e7a25

  • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.txt

    Filesize

    2.0MB

    MD5

    8da4b4398f31e9f4808c33895b7943bf

    SHA1

    635b7ebed3807db36c807dab675d8bbc4f8362d1

    SHA256

    419b72c94d5ddb0f23c399b3b49b349c331c3c0829d033940d0f015ba7aeffdf

    SHA512

    52b38aec52397ea3a560ecd9014ca7a1d8f8b2dca4db4a0c42e8b87389ec49785dc495bf6074e651665f9f1d41ec792d79fd2d0b855be10c1579189e309fa64f

  • memory/448-45-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/448-52-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/448-42-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/448-47-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1848-50-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/4556-30-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/4556-0-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/4996-31-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-62-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-51-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-36-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-53-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-58-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-60-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-34-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-65-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-67-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-69-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-71-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-74-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4996-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB