Analysis

  • max time kernel
    165s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 09:49

General

  • Target

    025079c343931f6b9327d097676bd2e1.exe

  • Size

    1.2MB

  • MD5

    025079c343931f6b9327d097676bd2e1

  • SHA1

    752d05636d41be31c9917366756c6fdd89c83e44

  • SHA256

    0ad4f1d30893f1e1a9cd576cea5ce0ac536ab9b361c7bda325d42fe52f306531

  • SHA512

    e5f86289f51e28e7948225f20892527ff920cc0ad3bdfe23ce2e5713dbfcd9305a69d11c468cfe0500aa405d4fdd21cc3ab94685de8c83fb99cafd1c9a185d56

  • SSDEEP

    24576:ART3bs0XvLqO5G1ZyrxRgvTdyfLobcjY4LFgv:N0/MyEsfUbH4L

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

45.154.4.187:7416

alexwill.ddns.net:7416

Mutex

e630f89c-2a86-4f4f-b810-5fa9782b92fb

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    alexwill.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-02-14T06:32:50.613656836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    7416

  • default_group

    Default

  • 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

    e630f89c-2a86-4f4f-b810-5fa9782b92fb

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    45.154.4.187

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Detect ZGRat V1 1 IoCs
  • NanoCore

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

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 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\025079c343931f6b9327d097676bd2e1.exe
    "C:\Users\Admin\AppData\Local\Temp\025079c343931f6b9327d097676bd2e1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Users\Admin\AppData\Local\Temp\025079c343931f6b9327d097676bd2e1.exe
      "C:\Users\Admin\AppData\Local\Temp\025079c343931f6b9327d097676bd2e1.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4092

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4092-17-0x0000000005A00000-0x0000000005A0A000-memory.dmp

          Filesize

          40KB

        • memory/4092-12-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB

        • memory/4092-21-0x0000000005340000-0x0000000005350000-memory.dmp

          Filesize

          64KB

        • memory/4092-20-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB

        • memory/4092-19-0x00000000061F0000-0x00000000061FA000-memory.dmp

          Filesize

          40KB

        • memory/4092-18-0x00000000060B0000-0x00000000060CE000-memory.dmp

          Filesize

          120KB

        • memory/4092-15-0x0000000005330000-0x000000000533A000-memory.dmp

          Filesize

          40KB

        • memory/4092-14-0x0000000005340000-0x0000000005350000-memory.dmp

          Filesize

          64KB

        • memory/4092-10-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/4200-5-0x0000000005920000-0x00000000059BC000-memory.dmp

          Filesize

          624KB

        • memory/4200-13-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB

        • memory/4200-0-0x0000000000C60000-0x0000000000D9C000-memory.dmp

          Filesize

          1.2MB

        • memory/4200-9-0x0000000005790000-0x00000000057A6000-memory.dmp

          Filesize

          88KB

        • memory/4200-7-0x0000000005760000-0x000000000577E000-memory.dmp

          Filesize

          120KB

        • memory/4200-6-0x0000000005B30000-0x0000000005B40000-memory.dmp

          Filesize

          64KB

        • memory/4200-1-0x0000000074A50000-0x0000000075200000-memory.dmp

          Filesize

          7.7MB

        • memory/4200-8-0x0000000005A40000-0x0000000005AE4000-memory.dmp

          Filesize

          656KB

        • memory/4200-4-0x0000000005860000-0x00000000058D6000-memory.dmp

          Filesize

          472KB

        • memory/4200-3-0x00000000057C0000-0x0000000005852000-memory.dmp

          Filesize

          584KB

        • memory/4200-2-0x0000000005ED0000-0x0000000006474000-memory.dmp

          Filesize

          5.6MB