Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 12:23

General

  • Target

    2261fa3658c9ff2e8c6a47728303afda_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    2261fa3658c9ff2e8c6a47728303afda

  • SHA1

    e9d2ead2ad2f69fe7354121213e6bac2759b7ebf

  • SHA256

    6e31d3c7f81d01c9c84a625addf6c20d8ceaeda797564021e8ffb0038a47bfda

  • SHA512

    592758f325777ab3459783efbfab44c517665892ffad2ff6fe3b18d51155847222954d68b69c898e18c228172d7b1ac89f7152e533a6718b922f6bfa91271329

  • SSDEEP

    24576:2AHnh+eWsN3skA4RV1Hom2KXFmIaF9ClJTEMW5HLAUUeSWK/pLQQvZsTY5:Rh+ZkldoPK1Xavyi3OWOpLxq6

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ganif.ddns.net:9017

Mutex

eaacbb4e-3e02-49b6-9c26-484c86fcb9d5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    ganif.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-11-18T09:31:56.362203336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9017

  • default_group

    Lifted

  • 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

    eaacbb4e-3e02-49b6-9c26-484c86fcb9d5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    ganif.ddns.net

  • 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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2261fa3658c9ff2e8c6a47728303afda_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2261fa3658c9ff2e8c6a47728303afda_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
        PID:4976
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        2⤵
          PID:5024
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.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:4972

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1420-2-0x0000000002270000-0x0000000002273000-memory.dmp
        Filesize

        12KB

      • memory/1420-9-0x0000000002270000-0x0000000002273000-memory.dmp
        Filesize

        12KB

      • memory/4972-1-0x0000000000400000-0x0000000000438000-memory.dmp
        Filesize

        224KB

      • memory/4972-3-0x0000000074072000-0x0000000074073000-memory.dmp
        Filesize

        4KB

      • memory/4972-4-0x0000000074070000-0x0000000074621000-memory.dmp
        Filesize

        5.7MB

      • memory/4972-5-0x0000000074070000-0x0000000074621000-memory.dmp
        Filesize

        5.7MB

      • memory/4972-8-0x0000000074070000-0x0000000074621000-memory.dmp
        Filesize

        5.7MB

      • memory/4972-10-0x0000000074070000-0x0000000074621000-memory.dmp
        Filesize

        5.7MB

      • memory/4972-11-0x0000000074072000-0x0000000074073000-memory.dmp
        Filesize

        4KB

      • memory/4972-12-0x0000000074070000-0x0000000074621000-memory.dmp
        Filesize

        5.7MB

      • memory/4972-13-0x0000000074070000-0x0000000074621000-memory.dmp
        Filesize

        5.7MB