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Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2024, 22:19

General

  • Target

    90fa41a00bec3d60e9e7d3923f7c306a_JaffaCakes118.exe

  • Size

    107KB

  • MD5

    90fa41a00bec3d60e9e7d3923f7c306a

  • SHA1

    683682fde812d47e759d6804060d96f5d33dfe2e

  • SHA256

    baba8e872cf6321c626c16f0bdf1159ef75faddc504ee0a689807973b8a1a53a

  • SHA512

    9acb6e6f624594db1a65d56231638ce3d41819632b34a36b87095ec94dcfb003b9efb177cfefe5e50a447ebe0ca2c197476e4938bc6b3862a3be01140effa3cc

  • SSDEEP

    3072:b6GHlnAZkpAN445Lslg1oEy4RXaUCmwIiaRCUJX0:B6Nj5LInmwIftX

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
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Windows Firewall 2 TTPs 7 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Drops file in System32 directory 1 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 21 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 8 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90fa41a00bec3d60e9e7d3923f7c306a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\90fa41a00bec3d60e9e7d3923f7c306a_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2256
  • C:\Windows\Fonts\uninstall_.exe
    "C:\Windows\Fonts\uninstall_.exe"
    1⤵
    • Modifies firewall policy service
    • Windows security bypass
    • Deletes itself
    • Executes dropped EXE
    • Loads dropped DLL
    • Windows security modification
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 445 NB
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2904
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 139 NB
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2976
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 1013 BS
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2952
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 9999 PORT1
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2812
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 9991 PORT2
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2164
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Windows\Fonts\uninstall_.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2840
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Windows\Fonts\uninstall_.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Fonts\uninstall_.exe

    Filesize

    107KB

    MD5

    90fa41a00bec3d60e9e7d3923f7c306a

    SHA1

    683682fde812d47e759d6804060d96f5d33dfe2e

    SHA256

    baba8e872cf6321c626c16f0bdf1159ef75faddc504ee0a689807973b8a1a53a

    SHA512

    9acb6e6f624594db1a65d56231638ce3d41819632b34a36b87095ec94dcfb003b9efb177cfefe5e50a447ebe0ca2c197476e4938bc6b3862a3be01140effa3cc

  • memory/2256-16-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2256-1-0x0000000000020000-0x0000000000022000-memory.dmp

    Filesize

    8KB

  • memory/2256-0-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-18-0x0000000000892000-0x0000000000893000-memory.dmp

    Filesize

    4KB

  • memory/2716-17-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-12-0x0000000000F40000-0x00000000013D3000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-13-0x0000000000892000-0x0000000000893000-memory.dmp

    Filesize

    4KB

  • memory/2716-14-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-10-0x0000000000F40000-0x00000000013D3000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-6-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-11-0x0000000000F40000-0x00000000013D3000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-20-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-23-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-26-0x0000000000F40000-0x00000000013D3000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-27-0x0000000000F40000-0x00000000013D3000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-29-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-31-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-32-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB

  • memory/2716-34-0x0000000000400000-0x0000000000893000-memory.dmp

    Filesize

    4.6MB