Analysis

  • max time kernel
    140s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 02:11

General

  • Target

    dc8977a16719dab70a36d4bd0f1a7ea2_JaffaCakes118.exe

  • Size

    158KB

  • MD5

    dc8977a16719dab70a36d4bd0f1a7ea2

  • SHA1

    2677b74ee837fb78a794d8cae7fa41c6ca1bbf14

  • SHA256

    0eba4a332cb162f33e0368f1fac0f01a2cd72873055a7485413f536a44aa0218

  • SHA512

    70c95a1bd048b1b397d580505e08f2d3d934b09f4bab0372ff060fe26c6111a391676ebd59befb44309043c76df3ec6af84a64bf7fd31a3642b7e4ad43040a10

  • SSDEEP

    3072:zv5lmIoUsJiRvjAZrrF7EJXBPCisvrbviOkAgJQj:zxnoULRvEVlEvAvP1KQ

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 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 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 54 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc8977a16719dab70a36d4bd0f1a7ea2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dc8977a16719dab70a36d4bd0f1a7ea2_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1900
  • 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
    • 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:2696
    • 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:2852
    • 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:2840
    • 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:2172
    • 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:2720
    • 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:2776
    • 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
      • Modifies data under HKEY_USERS
      PID:2584
    • 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
      • Modifies data under HKEY_USERS
      PID:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Fonts\unwise_.exe

    Filesize

    158KB

    MD5

    dc8977a16719dab70a36d4bd0f1a7ea2

    SHA1

    2677b74ee837fb78a794d8cae7fa41c6ca1bbf14

    SHA256

    0eba4a332cb162f33e0368f1fac0f01a2cd72873055a7485413f536a44aa0218

    SHA512

    70c95a1bd048b1b397d580505e08f2d3d934b09f4bab0372ff060fe26c6111a391676ebd59befb44309043c76df3ec6af84a64bf7fd31a3642b7e4ad43040a10

  • memory/1900-1-0x00000000001B0000-0x00000000001B2000-memory.dmp

    Filesize

    8KB

  • memory/1900-8-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/1900-0-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-9-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-5-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-6-0x0000000000220000-0x0000000000222000-memory.dmp

    Filesize

    8KB

  • memory/2696-11-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-12-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-15-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-17-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-18-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-19-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-21-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB

  • memory/2696-23-0x0000000000400000-0x00000000008DE000-memory.dmp

    Filesize

    4.9MB