Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2025, 19:16

General

  • Target

    JaffaCakes118_9443e840ac07a44d629fd0f37d027252.exe

  • Size

    363KB

  • MD5

    9443e840ac07a44d629fd0f37d027252

  • SHA1

    cc116c036a943552fc407315b30a184e6efb0966

  • SHA256

    2e41bbaaee53c79ad69bd90a4d5bd4a6b8703aa5f90ebd154c9af0c63972c844

  • SHA512

    a10be712392bd7a52b2ca71f1237e0da2096cb1bcc77e9d509b8afc59973b06f69331c40815503379a1485aed4caed1fa3c3601c60860a1a067b2984052716d4

  • SSDEEP

    6144:yKWnMbzIHKAYx23WyCRxA9WhO4ZDSczLVwq9tXfzB/dvmrmab6yH:ywoqAY2WDRnO6dwq/X7Btzc

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9443e840ac07a44d629fd0f37d027252.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9443e840ac07a44d629fd0f37d027252.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:2396
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2396-0-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/2396-1-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2396-3-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/2396-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB