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Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/02/2025, 14:41

General

  • Target

    JaffaCakes118_1350e581146ca4194581ad7a13fedd54.exe

  • Size

    236KB

  • MD5

    1350e581146ca4194581ad7a13fedd54

  • SHA1

    34d23b313c25991204205c9b764353db9a6c2956

  • SHA256

    53cf44a9a4040d6711823fb2d150a8c34c30b3e866b724ed19fc457e08dee813

  • SHA512

    3d958d8e654ec99d37568a34c3e36013025961590ac3641950a5afb3eae1d2ab328ef211897678b9fdeb8137b75c034f619cedbda2e8e62e4da57aca0d9befcb

  • SSDEEP

    3072:mI6LmCbpdkJUteMabF9TW1nVfvaE7bUqz9aG1IxCWagbtshigwqoz4tfye:m5bPkJUEMabFRW1VvaETaGKkO9qHtfj

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 12 IoCs
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • 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 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 14 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 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1350e581146ca4194581ad7a13fedd54.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1350e581146ca4194581ad7a13fedd54.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240655750.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Modem Setup" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1260
    • C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe
      "C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe
        "C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:892
      • C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe
        "C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe"
        3⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4484
        • 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:1832
          • 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:828
        • 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\ModemUpdater\chost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3028
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4456
        • 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:4952
          • 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:2184
        • 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\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:972
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\240655750.bat

    Filesize

    149B

    MD5

    f17bccf0adf6fd4c1863027ba6354d9e

    SHA1

    967581e62ddf207233788896f7343f84b39165c8

    SHA256

    c58f6ef205ad3354c934f201035375989e53f118e151e8e73556ece955d1ff51

    SHA512

    d10d3b39b3ad7d8440d8627b2f27501e7624824ada9600db4cdeea8a8724b920939dafae0f2221c00c008af1b83ef74babb21dfedadf822113b1afe83c5e1d63

  • C:\Users\Admin\AppData\Roaming\ModemUpdater\chost.exe

    Filesize

    236KB

    MD5

    1350e581146ca4194581ad7a13fedd54

    SHA1

    34d23b313c25991204205c9b764353db9a6c2956

    SHA256

    53cf44a9a4040d6711823fb2d150a8c34c30b3e866b724ed19fc457e08dee813

    SHA512

    3d958d8e654ec99d37568a34c3e36013025961590ac3641950a5afb3eae1d2ab328ef211897678b9fdeb8137b75c034f619cedbda2e8e62e4da57aca0d9befcb

  • memory/892-36-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/892-58-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/892-40-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/892-39-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/892-43-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/3484-4-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB

  • memory/3484-15-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

    Filesize

    4KB

  • memory/3484-10-0x0000000002230000-0x0000000002231000-memory.dmp

    Filesize

    4KB

  • memory/3484-3-0x0000000002220000-0x0000000002221000-memory.dmp

    Filesize

    4KB

  • memory/3484-2-0x00000000021E0000-0x00000000021E1000-memory.dmp

    Filesize

    4KB

  • memory/3484-13-0x0000000002B50000-0x0000000002B51000-memory.dmp

    Filesize

    4KB

  • memory/3484-11-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB

  • memory/3484-6-0x0000000002210000-0x0000000002211000-memory.dmp

    Filesize

    4KB

  • memory/3484-5-0x00000000021E0000-0x00000000021E1000-memory.dmp

    Filesize

    4KB

  • memory/4072-31-0x00000000020F0000-0x00000000020F1000-memory.dmp

    Filesize

    4KB

  • memory/4072-35-0x0000000002880000-0x0000000002881000-memory.dmp

    Filesize

    4KB

  • memory/4072-44-0x0000000002A10000-0x0000000002A11000-memory.dmp

    Filesize

    4KB

  • memory/4072-33-0x00000000020A0000-0x00000000020A1000-memory.dmp

    Filesize

    4KB

  • memory/4072-34-0x00000000020B0000-0x00000000020B1000-memory.dmp

    Filesize

    4KB

  • memory/4072-32-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/4072-30-0x00000000020B0000-0x00000000020B1000-memory.dmp

    Filesize

    4KB

  • memory/4072-53-0x00000000020F0000-0x00000000020F1000-memory.dmp

    Filesize

    4KB

  • memory/4072-29-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/4484-57-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-45-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-48-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-49-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-56-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-59-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-63-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-66-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-68-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-70-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-73-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-75-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4484-82-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB