Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 16:40

General

  • Target

    d26150867bc28284c0f27054927337fb_JaffaCakes118.exe

  • Size

    37KB

  • MD5

    d26150867bc28284c0f27054927337fb

  • SHA1

    655e8a8ab4ba0482d0ca32952910797a7e5086c2

  • SHA256

    f8fcd53a24fd56825810de8a5cd7e83b5083cf8f2b666b4beabc44941b3f31dc

  • SHA512

    0fa84943ae1b083916b1f90c41c9065ea71108ee77f557505e35d02ec46bba85592050c5a5a25a93bdb76bdf7a97179f66a21f3c6c440092affb074dd8b41033

  • SSDEEP

    384:xrSKMizdjjnBhFbJ8ycPfpXxtwqKBkrAF+rMRTyN/0L+EcoinblneHQM3epzX4NP:ZSgjlLJfcPfpP9K2rM+rMRa8Nue/t

Malware Config

Signatures

  • 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 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d26150867bc28284c0f27054927337fb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d26150867bc28284c0f27054927337fb_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\System.exe
      "C:\Windows\System.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\System.exe" "System.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:5060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\System.exe

    Filesize

    37KB

    MD5

    d26150867bc28284c0f27054927337fb

    SHA1

    655e8a8ab4ba0482d0ca32952910797a7e5086c2

    SHA256

    f8fcd53a24fd56825810de8a5cd7e83b5083cf8f2b666b4beabc44941b3f31dc

    SHA512

    0fa84943ae1b083916b1f90c41c9065ea71108ee77f557505e35d02ec46bba85592050c5a5a25a93bdb76bdf7a97179f66a21f3c6c440092affb074dd8b41033

  • memory/1444-0-0x0000000074892000-0x0000000074893000-memory.dmp

    Filesize

    4KB

  • memory/1444-1-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB

  • memory/1444-2-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB

  • memory/1444-12-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB

  • memory/3536-13-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB

  • memory/3536-14-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB

  • memory/3536-16-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB

  • memory/3536-17-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB

  • memory/3536-18-0x0000000074890000-0x0000000074E41000-memory.dmp

    Filesize

    5.7MB