Analysis

  • max time kernel
    277s
  • max time network
    337s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 09:27

General

  • Target

    bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe

  • Size

    592KB

  • MD5

    6bfc33a181806aaa06116c0ed7b1c484

  • SHA1

    05a3a0b8916296266920f7cb7bbc54388a735e58

  • SHA256

    bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a

  • SHA512

    35afc608ce0ff0d3b4024a6a6f11994367db30610d83fb46e3bfeda1a476aecfbe6cb7a10544a249f758159098feffd085a7229a406b081d14d35162f865822d

  • SSDEEP

    12288:fBPK6WGvLov/q6AYYYYYYYYYYYRYYYYYYYYYY3E7f5i5sQE7x3l2je+Lh97gMF5W:kOsEYYYYYYYYYYYRYYYYYYYYYY8f5Qm5

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 4 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 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
    "C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
      C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:684
      • 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:912
        • 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:1112
      • 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:1520
        • 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:1248
      • 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\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:780
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\bcf03a73801fcbda6a8ff6fd406345d3679454ee795198923c0b4bf1a0855e9a.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:704
      • 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\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:976
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/684-56-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/684-62-0x0000000075D11000-0x0000000075D13000-memory.dmp

    Filesize

    8KB

  • memory/684-63-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/684-72-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB