Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2025, 07:45

General

  • Target

    JaffaCakes118_f5434e108a4c4a477d199c7a8a7b3e31.exe

  • Size

    824KB

  • MD5

    f5434e108a4c4a477d199c7a8a7b3e31

  • SHA1

    b16dc6c786244720c48d7f800ee7eed3a5e5518c

  • SHA256

    119e681a7a4c240aedaaeda371bef680f7dce1ee69e339212b82537f5f099bac

  • SHA512

    e8ba36bf7b55e929d682c10882719876af014c652a219a02ba0f9e88d8d9bcf46b3ba3bc09df534b0570592c783f230d61c77836f1ace700844fcd203e2e9256

  • SSDEEP

    24576:6L/RrP9qRrJlbUPE2i6IR3SmaO6/P+nuhGyYQjSiy5UnNor7YN1Q6JHfq2ziAxkc:OOi

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 11 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • UAC bypass 3 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 15 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 18 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5434e108a4c4a477d199c7a8a7b3e31.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f5434e108a4c4a477d199c7a8a7b3e31.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\259433328.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
        3⤵
        • UAC bypass
        • System Location Discovery: System Language Discovery
        PID:2232
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\259433515.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Wind Updt" /t REG_SZ /d "C:\Windows\WinUpdates\explorer.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2876
    • C:\Windows\WinUpdates\explorer.exe
      "C:\Windows\WinUpdates\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\259433968.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
          4⤵
          • UAC bypass
          • System Location Discovery: System Language Discovery
          PID:2656
      • C:\Windows\WinUpdates\explorer.exe
        C:\Windows\WinUpdates\explorer.exe
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1784
      • C:\Windows\WinUpdates\explorer.exe
        C:\Windows\WinUpdates\explorer.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2752
        • 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
          PID:2928
          • 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:1896
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\WinUpdates\explorer.exe" /t REG_SZ /d "C:\Windows\WinUpdates\explorer.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2936
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\WinUpdates\explorer.exe" /t REG_SZ /d "C:\Windows\WinUpdates\explorer.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2920
        • 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
          PID:2924
          • 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:992
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          PID:644
          • 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
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\259433328.bat

    Filesize

    118B

    MD5

    a7abd9bdc5677f68c18d7524eb9ec1ab

    SHA1

    948db612bae78b17e4df26d1884f9d2129e6ac9f

    SHA256

    79192d9e9ebc7f9a864fdae37e771650afe5d41b8ba7da7a6ffeaff12b32e7b7

    SHA512

    bfcbbb6f9a76457427000e05b241755c13f1a6def8f0b0afc5d491409b812bacceed8545bd3e781779b2e2cd3fe8b1c323c17d3665df868cacc063c2e38c465d

  • C:\Users\Admin\AppData\Local\Temp\259433515.bat

    Filesize

    128B

    MD5

    d3e85d5a0f7c1f7593d7d63c016e9ba7

    SHA1

    886f9b145bb296da7a2eb34754fcc1d2fe418e44

    SHA256

    60b99eca06395752ceae3c7bbf20c7d8c8940f7afea4c435afb1268124786631

    SHA512

    d2e92807868f703b3f971639d22492f889afde3e7d378dcd9fa3086e5f257ee4eef6cfc198de6b30c16dc45d9cf41b9d034eea5dd0b6838543af9310944f8336

  • \Windows\WinUpdates\explorer.exe

    Filesize

    824KB

    MD5

    f5434e108a4c4a477d199c7a8a7b3e31

    SHA1

    b16dc6c786244720c48d7f800ee7eed3a5e5518c

    SHA256

    119e681a7a4c240aedaaeda371bef680f7dce1ee69e339212b82537f5f099bac

    SHA512

    e8ba36bf7b55e929d682c10882719876af014c652a219a02ba0f9e88d8d9bcf46b3ba3bc09df534b0570592c783f230d61c77836f1ace700844fcd203e2e9256

  • memory/1784-65-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1784-69-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1784-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1784-67-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1784-96-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1784-86-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1784-85-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1784-72-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/1784-83-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2752-76-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-99-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-81-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-74-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-84-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-95-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-87-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-78-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-102-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-104-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-106-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-109-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-111-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-113-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-118-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-123-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB