Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 19:01

General

  • Target

    a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca.exe

  • Size

    2.0MB

  • MD5

    63f37a60aae7dc1cc35d06f53a620299

  • SHA1

    6a9028c5474842b72b8e45fd641eba8ab5911d6d

  • SHA256

    a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca

  • SHA512

    921a9834c68b70b1f0e2459ff284b1fc751c5b1cfe59c6f6633b74c0cc0345e12db89b4f01c95b69c843085c76bc9c09c7233a81ef38e6df9c9eac70bd2fa0d2

  • SSDEEP

    49152:YsThC6TYNwUXz+JR2wjx8+X5gZ+th1aaucQPfM7cSCGDt7WWcrRhajx3l7bQonWF:YsThC6TYNwUXz+JR2wjx8+JgZ+th1aas

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 25 IoCs

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

  • 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca.exe
    "C:\Users\Admin\AppData\Local\Temp\a1b55be6b09d9a29939053f6bf787ad62b1c0af7f96e7397241acc9f335c3dca.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\BivMw.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2792
      • 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:2816
    • C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe
      "C:\Users\Admin\AppData\Roaming\Directory\Windowsdef.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2872
      • 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:2800
        • 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:2224
          • 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:2272
        • 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:1864
          • 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:1512
        • 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:1912
          • 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:2504
        • 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:2916
          • 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:2484
      • 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:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\BivMw.bat

    Filesize

    152B

    MD5

    130a1ad614bfc1851533b7a02e302622

    SHA1

    6cd68d0bacb7b24ca9baedc80d90f1bfca3bb92c

    SHA256

    4620f5f49d3f3c3fcb10d7dd83e5fdc0b2efd44ae429ee5a8dc3e64d76e6bc9a

    SHA512

    16b5e40deb2e66287b86bbff11ac986f36b94a5849fbe2ed7124296e95d563ec0e9b00cbd6008c993c383d1610d371177faf5a9cd5da77a34a778e901f9e7a25

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

    Filesize

    2.0MB

    MD5

    e59a520d81bc6cbc62043831691ed31b

    SHA1

    7d1d508d5d110ecb1fd6099810f2a20e513335fe

    SHA256

    882fb21cb6cd5941e13fdfad1559319ffebe5eb29da1afcfcad862645dc7bebb

    SHA512

    a25ca7b32db60f96ee0ae7aa9da31123ed1fb3d9af23dea71ce6a264afa3c4607e56b7dde65ad8a5c3a17fd5a92b164c1f8bd9bc86f068ab06ad4a3ed45aafae

  • memory/2744-0-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2744-45-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2744-43-0x0000000003980000-0x0000000003B7D000-memory.dmp

    Filesize

    2.0MB

  • memory/2744-42-0x0000000003980000-0x0000000003B7D000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-62-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2776-73-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2776-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2776-61-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2800-83-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-78-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-66-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-51-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-57-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-56-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-72-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-97-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-95-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-81-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-92-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-85-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-88-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2800-90-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2872-46-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2872-63-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2872-52-0x0000000002860000-0x0000000002A5D000-memory.dmp

    Filesize

    2.0MB