Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2024, 18:57

General

  • Target

    25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe

  • Size

    39KB

  • MD5

    25e30db1d905eefb0ad74eebdfc01a37

  • SHA1

    4bdc70ab859cfd8bdedb4f3f9b5bf96dd4661af2

  • SHA256

    8e56e8591cbd4268cb9f4d352296c0240f0562a75ecacd33b255dd3ef8bff9b6

  • SHA512

    e70b04fd006bcf72a42d34b4f69406c062c23d9e88794ce1d77637fba56b872ea728f0c25768a86c13b938c35aa5433c6f30754c3e3df70c956c47fa2f5addd0

  • SSDEEP

    384:AAJIKYrFCPyN9nQry+24eyk+xYx0k0sqUdQxbogEQbjWN6Mh1Xtvk09Snwb832Zx:veKYrF6yPjR4B9Ydsz1gxL9SnzY

Malware Config

Signatures

  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 5 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.

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe firewall add portopening TCP 1614 messenger
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:836
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ureg32 type= share start= auto DisplayName= "Registry Utility DLL" group= "Event Log" binPath= "rundll32.exe C:\Windows\system32\ureg32.dll,uhik"
      2⤵
      • Launches sc.exe
      PID:2844
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ureg32 "Registry Utility DLL"
      2⤵
      • Launches sc.exe
      PID:2940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/840-0-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-5-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-7-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-8-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-9-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-10-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-11-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-12-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-13-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-14-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-15-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-16-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-17-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/840-18-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB