Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2024 14:06

General

  • Target

    42a78e6e3f44966cad905bc6e58d3dd7_JaffaCakes118.exe

  • Size

    106KB

  • MD5

    42a78e6e3f44966cad905bc6e58d3dd7

  • SHA1

    377853eb6d441947e44bcd453f9104fd00d85d63

  • SHA256

    1de0c9694f63cd0892e6a47bbe43037cc6119baab0c35f09dce021dbce43ed84

  • SHA512

    6fa7cc916232ab528220e9839bd0dd231f2d3f3d74a4443d307c943248e4a417488229a57d8299c8f0e741c9c8efc8b923945dc51f94d143279cf79f1efde996

  • SSDEEP

    1536:xaNeY5mrg8nbTSd0AqdsIdOs0qB8fdNvjwRQJEaSbTs:brgyTSd0nXBeJvQTs

Malware Config

Signatures

  • Creates new service(s) 2 TTPs
  • 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.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 8 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 5 IoCs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42a78e6e3f44966cad905bc6e58d3dd7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\42a78e6e3f44966cad905bc6e58d3dd7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create iiscrmap32 type= share start= auto DisplayName= "Microsoft IIS certificate mapper" group= "Event Log" binPath= "rundll32.exe C:\Windows\system32\iiscrmap32.dll,ofod"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3132
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description iiscrmap32 "Microsoft IIS certificate mapper"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2488
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe firewall add portopening TCP 1557 messenger
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:3860
    • C:\Users\Admin\AppData\Local\Temp\0735a391.exe
      "C:\Users\Admin\AppData\Local\Temp\0735a391.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0735a391.exe

    Filesize

    9KB

    MD5

    d7d26e2fc89dd86da1d2635d11b1b436

    SHA1

    a9d09500968170c546ba5178fd08b20e7c1fa385

    SHA256

    c8f4d0af285647620f08d973070935c91d2f37319632593c2627b198c8959779

    SHA512

    f733633b452c96a52c4722f5db705a1120465703a6b47db5485988a03acfc8b8f9a05da7a2e275e404013ee3782aa9476c9d2d84d91900f09848fa63b2055109

  • memory/1624-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1624-18-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB