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Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 22:03

General

  • Target

    31a8f0c2ba446a05060af210240186c53b23649a6a865e95852f7c6ab87fd042.exe

  • Size

    285KB

  • MD5

    1441cf36efa9579e5d315b42c4fe3f21

  • SHA1

    58c5da3b647d0f5bc264ce9b649c99629d427554

  • SHA256

    31a8f0c2ba446a05060af210240186c53b23649a6a865e95852f7c6ab87fd042

  • SHA512

    a727054fa1a2f6df47c1d74b596fc82f43fecab6715af699466bb4a557e137f0492cfd23b32dde1d85e6eaf0c50498b2b8053f25668654d90e588a4273fb13f8

  • SSDEEP

    6144:+ZyKE4FBg+XHnZYkQGmzRrOEg0q/vjLm1AHkUm1Ys8xiV4DvtsJRlVDqa8GzNHLy:NBaBnmtOwq/+1MkU68raJRHua8G9LcoE

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 10 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 21 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\31a8f0c2ba446a05060af210240186c53b23649a6a865e95852f7c6ab87fd042.exe
    "C:\Users\Admin\AppData\Local\Temp\31a8f0c2ba446a05060af210240186c53b23649a6a865e95852f7c6ab87fd042.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\MkWFs.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Machine" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2884
    • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
      "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2748
        • 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:536
          • 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:2952
        • 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\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:320
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2960
        • 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:992
          • 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:2948
        • 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:592
          • 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:2520
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    149B

    MD5

    976ffa9a304b234c039c8739d97bb893

    SHA1

    f70f7ede8b6e5d1b8a9b53c9bf43882485b55bd6

    SHA256

    2b77cf051bb584aada8b9e5e07cba06e2077b42f009c33d10e31994ceec10384

    SHA512

    1bd398b968736efbab740c81776781023a4ef0dc1c0191d6393a7582bd79b452666163691d82a27ee8989a1e293e6d6df57c303aa9b34497ae52be417f9e269c

  • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe

    Filesize

    285KB

    MD5

    d5b71b695188b96b84ac325f36e8876c

    SHA1

    b45b9fc636e68e85d3a0cc7fcd5539feeac2708e

    SHA256

    01398b6892cc775ea16bf2571f0b356d39466fc23c301325b46656cab445cfae

    SHA512

    d680be915e39a28ea67f321d69a938de68c37feb9fb916c2b04acce12bb0f019f930de817491991a43424e5018e81d0938b5f8d413e4c5b40e8582e9d04d5d9b

  • memory/2168-67-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2748-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-49-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-52-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-55-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-53-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-97-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-92-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-87-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-82-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-70-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-80-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2748-78-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2768-45-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2768-0-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2768-42-0x0000000003230000-0x00000000033D8000-memory.dmp

    Filesize

    1.7MB

  • memory/2876-72-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2876-64-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2876-65-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2876-63-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB