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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 23:08

General

  • Target

    f0cbf236b5567e7ec11b28535b40f46a_JaffaCakes118.exe

  • Size

    706KB

  • MD5

    f0cbf236b5567e7ec11b28535b40f46a

  • SHA1

    96e97df88c5530119f115fd86498f0f4b4eafaf2

  • SHA256

    11b17f1ea44db3c55c23f2d80902ffb7b33bc4ba50b2d49c815470919b439709

  • SHA512

    ca57c9641de061ca32eabd9092cece10bf509f7b0a6b0332a235bb579ef7695dbe6c12172224cec3acb230a932d37a288fce988559ab7a48b32c826be5e1b966

  • SSDEEP

    12288:NtKe6Zv23YdqMGHGSX1388BxGVI43GVpinJMcODu5OcQlgv7JZ8fN/Usvq2vZbuv:d6Zv2jbW1SaR7QivMf9E2vZbuv

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0cbf236b5567e7ec11b28535b40f46a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f0cbf236b5567e7ec11b28535b40f46a_JaffaCakes118.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\spoolsv.exe
      C:\Windows\spoolsv.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\concp32.exe

    Filesize

    710KB

    MD5

    1b822696c84b1f0ff79d6da31036a959

    SHA1

    201bedaca7e6f50f4bc9d5b54c5259bbacc1986d

    SHA256

    ceb5b2dcfb60f7abc79713f0504c9bcc716d46656191c38255d580367af3e231

    SHA512

    4c58a392a206743963cbfe2e6620b0ba36f4e567e6160f95fc77f4e1cfd540b862a0cd909b6317968f3839499af62c32314456492848e229e10cc8b8d8ba236d

  • C:\Windows\spoolsv.exe

    Filesize

    711KB

    MD5

    ddbf041f118a0f8304bf549dc97b8ca6

    SHA1

    aa4070822dd8cf98c92bea6dedab9d3c27e8e904

    SHA256

    0942fc00c22329d5607ee0a8cfc61af6a08639a6019d6a340ec2d27703acce5e

    SHA512

    37a8f72bc553836497d7c57e5cc7f70c9ecf1422624b0809ef29d75d4eed5bfa0c098d7d42c9c68dc8fab8271c7eb0075df23b5124fcb61c7ef78128fe38c98f

  • memory/2076-0-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2076-14-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2176-15-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB