Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 05:16

General

  • Target

    275e4fb802670ac45647885f0cff516b_JaffaCakes118.exe

  • Size

    191KB

  • MD5

    275e4fb802670ac45647885f0cff516b

  • SHA1

    6a787ff47b390bd869ec3705941ec099d5e128ed

  • SHA256

    720c224ea9fa4ba58d5d35dbe67fc6f3e2e084361a926fcca92e41bdc04760af

  • SHA512

    e0e6448243cda05e0a4a1d868f29a0d7947bd8945dc88ac5aa9f8645f31b8b9374af59318fa6cca76ab7cc07d4cf5ba0101e98a15aebfdcbfb7863143a077e7c

  • SSDEEP

    1536:cx79lOyt/Qy38O93Zz63ziVZwdso4EXpISV5kXr1QqgDopmO8pThggtpjO3E/FNr:cfzt/53z91YHpJ5kXuZop3a9tpmSK6l

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.

  • 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.

  • 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\275e4fb802670ac45647885f0cff516b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\275e4fb802670ac45647885f0cff516b_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4648
  • 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
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4980
    • 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
      PID:2240
    • 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
      PID:376
    • 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
      PID:3380
    • 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
      PID:4108
    • 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
      PID:3256
    • 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
      PID:4132
    • 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
      PID:1140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Fonts\unwise_.exe

    Filesize

    191KB

    MD5

    275e4fb802670ac45647885f0cff516b

    SHA1

    6a787ff47b390bd869ec3705941ec099d5e128ed

    SHA256

    720c224ea9fa4ba58d5d35dbe67fc6f3e2e084361a926fcca92e41bdc04760af

    SHA512

    e0e6448243cda05e0a4a1d868f29a0d7947bd8945dc88ac5aa9f8645f31b8b9374af59318fa6cca76ab7cc07d4cf5ba0101e98a15aebfdcbfb7863143a077e7c

  • memory/4648-8-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4648-1-0x00000000024F0000-0x00000000024F2000-memory.dmp

    Filesize

    8KB

  • memory/4648-0-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-9-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-7-0x0000000000C20000-0x0000000000C22000-memory.dmp

    Filesize

    8KB

  • memory/4980-6-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-11-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-12-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-13-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-16-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-18-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-21-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/4980-22-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB