Analysis

  • max time kernel
    146s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 18:53

General

  • Target

    ee394f96d4e6d01c1b2876b77420a48a_JaffaCakes118.exe

  • Size

    58KB

  • MD5

    ee394f96d4e6d01c1b2876b77420a48a

  • SHA1

    d3447b41c83df7514ec5264ace38bd14a109cec9

  • SHA256

    d024146668eee0cdf8fb188a305193793dce472d6e587598a50ab30c98277edf

  • SHA512

    88c5f51fd5d1359931fc48eecab11643f63877594b698f650be97ec186a57ab6c433c9abe8264e1e4dc14c87a2a8d16c503fb36efca9f74af90682392c640517

  • SSDEEP

    768:piMjpO09kyj3KQ8gvIjCGPWchf28iqv05XUs/5V2GI9CDrp95dlvXtIBBG:pJpb9ZzKQpw+dus/LffrTPx6BI

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee394f96d4e6d01c1b2876b77420a48a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ee394f96d4e6d01c1b2876b77420a48a_JaffaCakes118.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Users\Admin\AppData\Roaming\AudioTreiber_x64.exe
      "C:\Users\Admin\AppData\Roaming\AudioTreiber_x64.exe"
      2⤵
      • Modifies firewall policy service
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1884
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4336 /prefetch:8
    1⤵
      PID:3096

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\AudioTreiber_x64.exe

      Filesize

      58KB

      MD5

      ee394f96d4e6d01c1b2876b77420a48a

      SHA1

      d3447b41c83df7514ec5264ace38bd14a109cec9

      SHA256

      d024146668eee0cdf8fb188a305193793dce472d6e587598a50ab30c98277edf

      SHA512

      88c5f51fd5d1359931fc48eecab11643f63877594b698f650be97ec186a57ab6c433c9abe8264e1e4dc14c87a2a8d16c503fb36efca9f74af90682392c640517

    • memory/560-0-0x0000000054350000-0x000000005437D000-memory.dmp

      Filesize

      180KB

    • memory/560-11-0x0000000054350000-0x000000005437D000-memory.dmp

      Filesize

      180KB

    • memory/1884-13-0x0000000054350000-0x000000005437D000-memory.dmp

      Filesize

      180KB