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Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 00:37

General

  • Target

    6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe

  • Size

    191KB

  • MD5

    6212c299bbb2810162dd4e6c1a804acf

  • SHA1

    8ebc18c5a75b78ebbc39c238aba9ad22be41e945

  • SHA256

    a85e6ff03ceef7238d26b8baffd5b02a285d39f4fd26e17b2e8237f736e076c2

  • SHA512

    0f617f01f571109f159d2fa1ce51241c567ae775d6e1dfeaecd0b8c9c73149d4453f156c7a2cb06b8a7d79972533868febdaf231f044dbb591e991ec429833a1

  • SSDEEP

    3072:Mf46HiAvEUVbxB3NgTBA7rQSeYWXKoTJbxD/PzJW4bR3Jz5O0w2XKLgQ:Mf46CAckdB321AXWXbTJ9D/PzJnbFt5O

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • UPX packed file 10 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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 Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe
      2⤵
      • Modifies firewall policy service
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\6212c299bbb2810162dd4e6c1a804acf_JaffaCakes118.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/692-2-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/692-7-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/692-8-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/692-9-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/692-12-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/692-13-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/692-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/692-65-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1444-0-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/1444-1-0x0000000002400000-0x0000000002401000-memory.dmp

    Filesize

    4KB

  • memory/1444-6-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB