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Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 07:57

General

  • Target

    fab6ba05e1cf011d57c17b703a69516c_JaffaCakes118.exe

  • Size

    93KB

  • MD5

    fab6ba05e1cf011d57c17b703a69516c

  • SHA1

    83116c49054c62f7ee9914695363c24880d12957

  • SHA256

    0e36605a2523aeb76ee84d72a7eb5338b377dd6c5db997a3b627f4fa02263b6c

  • SHA512

    837111b7f6345704ac80da07686be64548e687af4ca88baddaf7dd3d0241b164d0dc9cce643f709ff09569cdeb398e131cf541e6509d7c96b40cd61ab83ce2b8

  • SSDEEP

    1536:AOY+p8XkkzzL14o5KnM6q/h3V7e8A+Nn0VJEojEKZM2l2nnJYEHaN1plCW5da9dJ:AfY8v4o0M6qTC8AWQDEKZynnd6NMga9X

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fab6ba05e1cf011d57c17b703a69516c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fab6ba05e1cf011d57c17b703a69516c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Users\Admin\AppData\Local\Temp\fab6ba05e1cf011d57c17b703a69516c_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fab6ba05e1cf011d57c17b703a69516c_JaffaCakes118.exe
      2⤵
      • Looks for VMWare Tools registry key
      • Checks computer location settings
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4452
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\x.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2692
        • C:\Windows\SysWOW64\net.exe
          net stop "Security Center"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2688
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Security Center"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1104
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram mshost.exe 1 ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3816
      • C:\Windows\mshost.exe
        "C:\Windows\mshost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4276
        • C:\Windows\mshost.exe
          C:\Windows\mshost.exe
          4⤵
          • Looks for VMWare Tools registry key
          • Checks computer location settings
          • Deletes itself
          • Executes dropped EXE
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3096
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram mshost.exe 1 ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:5056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\mshost.exe

    Filesize

    93KB

    MD5

    fab6ba05e1cf011d57c17b703a69516c

    SHA1

    83116c49054c62f7ee9914695363c24880d12957

    SHA256

    0e36605a2523aeb76ee84d72a7eb5338b377dd6c5db997a3b627f4fa02263b6c

    SHA512

    837111b7f6345704ac80da07686be64548e687af4ca88baddaf7dd3d0241b164d0dc9cce643f709ff09569cdeb398e131cf541e6509d7c96b40cd61ab83ce2b8

  • C:\x.bat

    Filesize

    53B

    MD5

    e6ed7be2b9572503f07663ca6e53759f

    SHA1

    7ad80bd38f2a27e06c111b551c76ad0a0585c194

    SHA256

    b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9

    SHA512

    e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227

  • memory/1136-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/1136-7-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3096-36-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-39-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-52-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-51-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-21-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-50-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-25-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

    Filesize

    2.0MB

  • memory/3096-24-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-49-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-34-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-48-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-37-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-38-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-47-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-40-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-41-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-42-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-43-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-44-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-45-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/3096-46-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/4276-27-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4452-11-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/4452-3-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/4452-30-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/4452-5-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/4452-6-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

    Filesize

    2.0MB