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Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 04:59

General

  • Target

    be51277bfbb18cab9db055dbcae2769eb03cb09f6fa5ef997d6b76a6b04ac770.exe

  • Size

    2.0MB

  • MD5

    a7d254f0ea875ee6d966c1e80348adfe

  • SHA1

    7c4a68138369fe853724c7ec92216fddbf816d53

  • SHA256

    be51277bfbb18cab9db055dbcae2769eb03cb09f6fa5ef997d6b76a6b04ac770

  • SHA512

    8aff0d5df4dd6be85602898fca234499ee172e4b2f00d4265df92f0cdcb3e38e1785ec9be8717d195d6ddf218abc8b922e9b7e1640ad754ab7b2ebab2167ae84

  • SSDEEP

    49152:MsThC6TYNwUXz+JR2wjx8+X5gZ+th1aaucQPfM7cSCGDt7WWcrRhajx3l7bQonWD:MsThC6TYNwUXz+JR2wjx8+JgZ+th1aaG

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 24 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\be51277bfbb18cab9db055dbcae2769eb03cb09f6fa5ef997d6b76a6b04ac770.exe
    "C:\Users\Admin\AppData\Local\Temp\be51277bfbb18cab9db055dbcae2769eb03cb09f6fa5ef997d6b76a6b04ac770.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3736
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZTSNM.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3016
      • 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:324
    • 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:952
      • 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:2472
        • 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:2932
          • 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:1228
        • 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:4892
          • 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:4644
        • 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:4536
          • 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:3416
        • 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:1616
          • 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:2532
      • 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:1104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    152B

    MD5

    130a1ad614bfc1851533b7a02e302622

    SHA1

    6cd68d0bacb7b24ca9baedc80d90f1bfca3bb92c

    SHA256

    4620f5f49d3f3c3fcb10d7dd83e5fdc0b2efd44ae429ee5a8dc3e64d76e6bc9a

    SHA512

    16b5e40deb2e66287b86bbff11ac986f36b94a5849fbe2ed7124296e95d563ec0e9b00cbd6008c993c383d1610d371177faf5a9cd5da77a34a778e901f9e7a25

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

    Filesize

    2.0MB

    MD5

    555c5823ce8dacc0d93884b692176437

    SHA1

    665bdb1a8903d3815986b75c796a6e671aa83a40

    SHA256

    c6cf4bfbb18742564bd05a6d46824f5253d7edd32bc7d81a01f61cea08f3d7dc

    SHA512

    b07b93416d7c6af82a76b35ee8e4402ed676b1c680fb2b6bff55b29761a6b0d6410da02e5ec712239ca91106b33fa0375a7dc0f9aca3adb372ebaa721c4ea7de

  • memory/952-45-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/1104-46-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1104-53-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1104-43-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1104-37-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2472-52-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-31-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-34-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-51-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-82-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-79-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-58-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-61-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-63-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-66-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-68-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-70-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-36-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-75-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2472-77-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3736-28-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/3736-0-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB