Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 20:31

General

  • Target

    JaffaCakes118_757a1cd1bdd383905d1611d50bae9d25.exe

  • Size

    491KB

  • MD5

    757a1cd1bdd383905d1611d50bae9d25

  • SHA1

    2f64fa1b4b2e3fb58f98987e5a602a9db5924643

  • SHA256

    a3b5c4e8e1af28743b94b61970c042cad13bc3cf04630fec1c1e704b7577c4e4

  • SHA512

    87bcdb4407687a2c54c6efe4829fb2c695c7024e9e58d10f2f42330408f663db79a9e473e7ce33597499fadbcf8d1ae40cca273985651092a1194b6848a0974e

  • SSDEEP

    12288:ruTbw7xgjB23etJGETNxELQpq87zzZ5KjHzaxUdXoS:CTb98utrTnbzzZauqd

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 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 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_757a1cd1bdd383905d1611d50bae9d25.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_757a1cd1bdd383905d1611d50bae9d25.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kXdGV.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4668
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WDocuments" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1968
    • C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe
      "C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3084
      • C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe
        C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1448
        • 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:2312
          • 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:3676
        • 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\Directory\WDocuments.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3436
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:5100
        • 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:4444
          • 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:960
        • 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\1-31E.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\1-31E.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3116
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\1-31E.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\1-31E.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4924
      • C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe
        C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    150B

    MD5

    888ce5284da0c2daa580ca4dad76452a

    SHA1

    a48cce6c874c21d90c58bf9523871abba25942d3

    SHA256

    ab974c7cd56c54a849f19511d4964a572cefbdf8d46e42f48049952ff268fce7

    SHA512

    95ba367a0032e70fa501e9d8e09e984e2ac6fa091796949039dab2b563e90e040a3a00fc636b86234cea66ec33b66792bfb7bc26cc5cd3e3e7684947b842993b

  • C:\Users\Admin\AppData\Roaming\Directory\WDocuments.exe

    Filesize

    491KB

    MD5

    757a1cd1bdd383905d1611d50bae9d25

    SHA1

    2f64fa1b4b2e3fb58f98987e5a602a9db5924643

    SHA256

    a3b5c4e8e1af28743b94b61970c042cad13bc3cf04630fec1c1e704b7577c4e4

    SHA512

    87bcdb4407687a2c54c6efe4829fb2c695c7024e9e58d10f2f42330408f663db79a9e473e7ce33597499fadbcf8d1ae40cca273985651092a1194b6848a0974e

  • memory/1448-49-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-51-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-27-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-68-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-63-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-61-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-59-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-25-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-22-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-56-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-45-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-54-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/1448-47-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2300-28-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2300-46-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2300-31-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2300-32-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2300-35-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/3084-42-0x0000000000400000-0x00000000008ED000-memory.dmp

    Filesize

    4.9MB

  • memory/4700-0-0x0000000000400000-0x00000000008ED000-memory.dmp

    Filesize

    4.9MB

  • memory/4700-19-0x0000000000400000-0x00000000008ED000-memory.dmp

    Filesize

    4.9MB