Analysis

  • max time kernel
    119s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 08:09

General

  • Target

    72263eaacd57cd4ce54e72f35515f421ba21264f44c4225d5ac1f86e02fea971.exe

  • Size

    1.8MB

  • MD5

    544ee01b78b3c4c3c77cead8b06faee7

  • SHA1

    058f7cee673607e34eb438c46d9e5d70af0d8d88

  • SHA256

    72263eaacd57cd4ce54e72f35515f421ba21264f44c4225d5ac1f86e02fea971

  • SHA512

    77c90288b39eb199b2a80c308aecb8e4c443903593f3668de26ed29d171850eaf94a82aca95c29cd6dac03364dd5ecefd53c19e23c86c9319e379569d23da754

  • SSDEEP

    49152:RNMqQ0kwonLVkZep9nWrPWwONrRoODiGgDWAg2CPaSAnYvJW3BTSXff6YNQVWIP4:RiqQ0kwonLVkZep9nWrPWwONrRoODiGt

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 7 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 13 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 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72263eaacd57cd4ce54e72f35515f421ba21264f44c4225d5ac1f86e02fea971.exe
    "C:\Users\Admin\AppData\Local\Temp\72263eaacd57cd4ce54e72f35515f421ba21264f44c4225d5ac1f86e02fea971.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Mkdsu.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Updater 3" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:5000
    • C:\Users\Admin\AppData\Roaming\Firefox.exe
      "C:\Users\Admin\AppData\Roaming\Firefox.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Users\Admin\AppData\Roaming\Firefox.exe
        C:\Users\Admin\AppData\Roaming\Firefox.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4524
        • 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:2460
          • 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:3888
        • 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\Firefox.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1112
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Firefox.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3056
        • 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:684
          • 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:2968
        • 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-nosttingspersistent.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2028
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4128
      • C:\Users\Admin\AppData\Roaming\Firefox.exe
        C:\Users\Admin\AppData\Roaming\Firefox.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    143B

    MD5

    962bc493b87f298696ad6e3eed7c7937

    SHA1

    985cc0c7e37e2465c4349abd528e120663ebd205

    SHA256

    c167e2faa5307ac291ff833b8a1f5f802eaa028d1aba8d1ad342ca84c07bdb01

    SHA512

    9dd2b755a404b74206b713ab17d2ddedacc48910e942dab71cf7e98d8d25322c24e32648f0881136e5425134aaccfbfd9bdc52ceb4519bd07e97c5564116f173

  • C:\Users\Admin\AppData\Roaming\Firefox.txt

    Filesize

    1.8MB

    MD5

    cbfa13fc592d091e803ec16a51ad32fc

    SHA1

    dac8f4f3fcd4b11570bfc472aa7386699fad6ed5

    SHA256

    923a79db974983f16a99ed664ec4853e604508fbc2f2f5976d4eb588b5b4f344

    SHA512

    aeac78c3b3b6595f414a8934b857f5cd8c4f2b3d090c6ffc5d739e57beb9648b4275306ac2ad2029903cb10ebd5b83a591a0a075bc3ca14c057c61b1997b48ff

  • memory/2772-38-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2772-51-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2772-45-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2772-42-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4524-34-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-36-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-50-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-31-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-52-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-54-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-57-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-59-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4524-75-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4760-0-0x0000000000400000-0x00000000005CF000-memory.dmp

    Filesize

    1.8MB