Analysis

  • max time kernel
    118s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    29-01-2021 16:32

General

  • Target

    2208753-866432.exe

  • Size

    738KB

  • MD5

    7ae68ae42c52e44214e16fbcfadedf77

  • SHA1

    27c1f3ae72ebcb1c8d3016db33315e89ff45f746

  • SHA256

    9fd0537c678db10eee64980080671ba87801e41004c88819bf670a270c3931e1

  • SHA512

    9941421afdb4acd8a7973999ce65541f33d6f8e65693e6af7dd72ad3c151e4f97735c5c229c2ef9d7ed4fe36a2737210a3025af3c2bd8b3244a4f81ea9c1f128

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fgtrert.duckdns.org:4948

qweerreww.duckdns.org:4948

Mutex

f9d67c34-3506-4888-9966-78d7bc0f3872

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    qweerreww.duckdns.org

  • backup_dns_server

    qweerreww.duckdns.org

  • buffer_size

    65535

  • build_time

    2020-11-08T18:33:11.699418536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4948

  • 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

    f9d67c34-3506-4888-9966-78d7bc0f3872

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    fgtrert.duckdns.org

  • primary_dns_server

    fgtrert.duckdns.org

  • 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

  • NanoCore

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe
    "C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe
      "{path}"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2000-16-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

    Filesize

    4KB

  • memory/2000-23-0x0000000000E70000-0x0000000000E7D000-memory.dmp

    Filesize

    52KB

  • memory/2000-28-0x0000000000F70000-0x0000000000F7F000-memory.dmp

    Filesize

    60KB

  • memory/2000-27-0x0000000000F40000-0x0000000000F69000-memory.dmp

    Filesize

    164KB

  • memory/2000-17-0x0000000000690000-0x000000000069D000-memory.dmp

    Filesize

    52KB

  • memory/2000-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2000-9-0x000000000041E792-mapping.dmp

  • memory/2000-18-0x00000000006F0000-0x0000000000705000-memory.dmp

    Filesize

    84KB

  • memory/2000-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2000-13-0x0000000000480000-0x0000000000485000-memory.dmp

    Filesize

    20KB

  • memory/2000-14-0x0000000000630000-0x0000000000649000-memory.dmp

    Filesize

    100KB

  • memory/2000-15-0x0000000000660000-0x0000000000663000-memory.dmp

    Filesize

    12KB

  • memory/2000-26-0x0000000000EE0000-0x0000000000EEA000-memory.dmp

    Filesize

    40KB

  • memory/2000-25-0x0000000000ED0000-0x0000000000EDF000-memory.dmp

    Filesize

    60KB

  • memory/2000-10-0x0000000074230000-0x000000007491E000-memory.dmp

    Filesize

    6.9MB

  • memory/2000-19-0x0000000000B20000-0x0000000000B26000-memory.dmp

    Filesize

    24KB

  • memory/2000-20-0x0000000000C40000-0x0000000000C4C000-memory.dmp

    Filesize

    48KB

  • memory/2000-21-0x0000000000E50000-0x0000000000E57000-memory.dmp

    Filesize

    28KB

  • memory/2000-22-0x0000000000E60000-0x0000000000E66000-memory.dmp

    Filesize

    24KB

  • memory/2000-24-0x0000000000EC0000-0x0000000000EC9000-memory.dmp

    Filesize

    36KB

  • memory/2044-3-0x00000000010F0000-0x00000000010F1000-memory.dmp

    Filesize

    4KB

  • memory/2044-7-0x0000000001090000-0x00000000010ED000-memory.dmp

    Filesize

    372KB

  • memory/2044-5-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

    Filesize

    4KB

  • memory/2044-6-0x0000000000450000-0x0000000000454000-memory.dmp

    Filesize

    16KB

  • memory/2044-2-0x0000000074230000-0x000000007491E000-memory.dmp

    Filesize

    6.9MB