Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2024, 22:16

General

  • Target

    8dbf1f129c04ce0b601405cd62ae1a31_JaffaCakes118.exe

  • Size

    171KB

  • MD5

    8dbf1f129c04ce0b601405cd62ae1a31

  • SHA1

    98dd02f973985cf0b095e1bb239895b92809c822

  • SHA256

    1dd7c70148d74fdecbeb2db274c1e25163c3c62b3bfbfafada89cf83070ffe8d

  • SHA512

    6a1ec43b6cc8495a519fa39abb1379ebfe1ae1b3d751e475b11c0a87cbdf476f255e1d525a94d575ea7eb2f47d6d8b07d526f2f2e8a19ee58296872873595a83

  • SSDEEP

    3072:ukfkXP5KTx+KJDvTcNE/NgyJnDIBetryV1DC5jiq:ukMkAKdvTDgyD0OL5ji

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
  • Windows security modification 2 TTPs 4 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 9 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8dbf1f129c04ce0b601405cd62ae1a31_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8dbf1f129c04ce0b601405cd62ae1a31_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2552
  • C:\Windows\Fonts\unwise_.exe
    "C:\Windows\Fonts\unwise_.exe"
    1⤵
    • Modifies firewall policy service
    • Windows security bypass
    • Deletes itself
    • Executes dropped EXE
    • Windows security modification
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4576
    • 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
      PID:976
    • 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
      PID:4840
    • 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
      PID:4800
    • 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
      PID:2388
    • 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
      PID:2176
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Windows\Fonts\unwise_.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2356
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Windows\Fonts\unwise_.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:4132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Fonts\unwise_.exe

    Filesize

    171KB

    MD5

    8dbf1f129c04ce0b601405cd62ae1a31

    SHA1

    98dd02f973985cf0b095e1bb239895b92809c822

    SHA256

    1dd7c70148d74fdecbeb2db274c1e25163c3c62b3bfbfafada89cf83070ffe8d

    SHA512

    6a1ec43b6cc8495a519fa39abb1379ebfe1ae1b3d751e475b11c0a87cbdf476f255e1d525a94d575ea7eb2f47d6d8b07d526f2f2e8a19ee58296872873595a83

  • memory/2552-0-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/2552-1-0x00000000023C0000-0x00000000023C2000-memory.dmp

    Filesize

    8KB

  • memory/2552-8-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4576-6-0x00000000007A0000-0x00000000007A2000-memory.dmp

    Filesize

    8KB

  • memory/4576-9-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4576-11-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4576-14-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4576-17-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4576-20-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4576-23-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB