Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 00:41

General

  • Target

    8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe

  • Size

    1.5MB

  • MD5

    03ad9709cc48d654f4bbe073a8b95c1e

  • SHA1

    aa7d3838e35ee7ee71543d40c9b20e5497df6a6e

  • SHA256

    8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea

  • SHA512

    a0d63f9ccdbf6f9e1504ebd47d756c6b1c6924249f17a39037e51c4e052bbbdbc6985d14599810a2cb3693480ca66d449fb2a49b83fc4179731a055542a82706

  • SSDEEP

    12288:Y+Qf9NxkERr1JzrDTzz7wHxhW88KH6Yn77TCNp8jToZGrhR0ZooS/:Ox0j8KaYnfTYp8/oZMGZY

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 8 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 20 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\8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe
    "C:\Users\Admin\AppData\Local\Temp\8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\BLKFa.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3016
    • C:\Users\Admin\AppData\Roaming\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Users\Admin\AppData\Roaming\winlogon.exe
        C:\Users\Admin\AppData\Roaming\winlogon.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2164
        • 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:2900
          • 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:1444
        • 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\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1420
        • 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:2612
          • 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:1576
        • 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\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2204
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1424
      • C:\Users\Admin\AppData\Roaming\winlogon.exe
        C:\Users\Admin\AppData\Roaming\winlogon.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    138B

    MD5

    4da6717f2c70f4bd32ad33a227a2ff47

    SHA1

    3d7f7159e1f695bd469287d1ad4ffa0841b407a8

    SHA256

    a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07

    SHA512

    6765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    1.5MB

    MD5

    593026ff5101b03fb631a700260d617e

    SHA1

    adbdd72d612472586cbabc3feb93f0cc52685ab3

    SHA256

    3a23f34d78173fc98e26c1768865d8e2ecb8314f116986df94e95df752ca970c

    SHA512

    0bb6b24511c408956c25ebca4e0a1fa4f4012ec9b4fe2d4419e457f8353933272370639be60e43548b6e35cb04c321efb00d408b4a651b043be71a2dcfa03538

  • memory/2076-42-0x0000000002CB0000-0x0000000002E3F000-memory.dmp

    Filesize

    1.6MB

  • memory/2076-44-0x0000000000400000-0x000000000058F000-memory.dmp

    Filesize

    1.6MB

  • memory/2076-70-0x0000000002CB0000-0x0000000002E3F000-memory.dmp

    Filesize

    1.6MB

  • memory/2076-0-0x0000000000400000-0x000000000058F000-memory.dmp

    Filesize

    1.6MB

  • memory/2164-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-82-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-71-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-57-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-103-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-52-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-75-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-64-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-73-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2164-49-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2916-53-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2916-72-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2916-62-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2916-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2916-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2976-63-0x0000000000400000-0x000000000058F000-memory.dmp

    Filesize

    1.6MB

  • memory/2976-48-0x0000000000400000-0x000000000058F000-memory.dmp

    Filesize

    1.6MB