Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 10:20

General

  • Target
    d100485ad14f8463450278591b10c698_JaffaCakes118.exe
  • Size 354KB
  • Sample240405-mdfyfshe6x
  • SHA256 435d0e10242410c1f8513df632eac9966534480a2a211fdc2914ad9181b87007
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • azizurfattahtradings.duckdns.org:5051

  • 79.134.225.113:5051

Mutex
  • 7a64f481-657b-4816-ad8f-12f7fa667bd3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    79.134.225.113

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-23T14:03:19.830114636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5051

  • default_group

    DUCK BILLIONAIRE

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    7a64f481-657b-4816-ad8f-12f7fa667bd3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    azizurfattahtradings.duckdns.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d100485ad14f8463450278591b10c698_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d100485ad14f8463450278591b10c698_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1692

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1692-13-0x0000000005240000-0x0000000005250000-memory.dmp

        memory/1692-14-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

        memory/1692-21-0x0000000005240000-0x0000000005250000-memory.dmp

        memory/1692-20-0x00000000752F0000-0x0000000075AA0000-memory.dmp

        memory/1692-19-0x0000000005DA0000-0x0000000005DAA000-memory.dmp

        memory/1692-18-0x0000000005C70000-0x0000000005C8E000-memory.dmp

        memory/1692-17-0x0000000005190000-0x000000000519A000-memory.dmp

        memory/1692-8-0x0000000000400000-0x0000000000438000-memory.dmp

        memory/1692-12-0x0000000004F30000-0x0000000004FC2000-memory.dmp

        memory/1692-11-0x00000000752F0000-0x0000000075AA0000-memory.dmp

        memory/3732-3-0x00000000031D0000-0x000000000320E000-memory.dmp

        memory/3732-1-0x0000000000DE0000-0x0000000000E30000-memory.dmp

        memory/3732-0-0x00000000752F0000-0x0000000075AA0000-memory.dmp

        memory/3732-7-0x0000000005950000-0x0000000005960000-memory.dmp

        memory/3732-6-0x00000000752F0000-0x0000000075AA0000-memory.dmp

        memory/3732-5-0x0000000005F10000-0x00000000064B4000-memory.dmp

        memory/3732-4-0x00000000058B0000-0x000000000594C000-memory.dmp

        memory/3732-10-0x00000000752F0000-0x0000000075AA0000-memory.dmp

        memory/3732-2-0x0000000005950000-0x0000000005960000-memory.dmp