Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12/08/2024, 07:46

General

  • Target

    8de763705d6aa896ab87c95adeca7be8_JaffaCakes118.exe

  • Size

    369KB

  • MD5

    8de763705d6aa896ab87c95adeca7be8

  • SHA1

    d01a5bb42aefd67529d58de4aaa96664c01117ae

  • SHA256

    60f71ae56ea5a0d49e5365cd516ef36caf1d07f086ffc052a64432363dcd0fe1

  • SHA512

    c0d1b93b1a5ff38499f8e7dacc1374b64f7c1425f55dc048d693e8715f1dbf915dd5ce76b1b0ec84ca9b4936187d3a1db628d3fdd46fd327fcafd357ae84cb3d

  • SSDEEP

    6144:INmDB8I/GnZFds3M6nvAObxr+Hd+d8w9yoDjPJHtZxREJa+/2K49A5c7WByoHBNp:d6pnls3M6nvAK+HAyYV7xmt/2c5bHB

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8de763705d6aa896ab87c95adeca7be8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8de763705d6aa896ab87c95adeca7be8_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2584
    • C:\ProgramData\UPCQKVdSVTPjb.exe
      C:\ProgramData\UPCQKVdSVTPjb.exe
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • System Location Discovery: System Language Discovery
      PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\UPCQKVdSVTPjb.exe

    Filesize

    369KB

    MD5

    8de763705d6aa896ab87c95adeca7be8

    SHA1

    d01a5bb42aefd67529d58de4aaa96664c01117ae

    SHA256

    60f71ae56ea5a0d49e5365cd516ef36caf1d07f086ffc052a64432363dcd0fe1

    SHA512

    c0d1b93b1a5ff38499f8e7dacc1374b64f7c1425f55dc048d693e8715f1dbf915dd5ce76b1b0ec84ca9b4936187d3a1db628d3fdd46fd327fcafd357ae84cb3d

  • memory/2008-24-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/2008-23-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/2008-27-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/2584-0-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2584-1-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2584-2-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/2584-3-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/2584-4-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/2584-6-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2584-25-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB