Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 02:36

General

  • Target

    cf90616d96b4fb9cd4058444c25de0069b3eaf96af827c6589146765260ad4ef.exe

  • Size

    926KB

  • MD5

    63aefd2cace989eb629086d31cb65dcc

  • SHA1

    a9f2efb4569bbaea7bfaa33cb2ba83d189085764

  • SHA256

    cf90616d96b4fb9cd4058444c25de0069b3eaf96af827c6589146765260ad4ef

  • SHA512

    85cd89aa319ec05a75931591bace1df0ea3417e41653343f7009855dcf3f4b89493b883e613b39613bb55f3e36ff4df52a70c441d4f1474ca21c65283d8ed0ec

  • SSDEEP

    24576:Hrl6kD68JmloLQfgqu4Dij/f7HcAdmjKt0Okhgl:Ll328U2kfc4Kf7HlFTl

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

motherpure.duckdns.org:3920

185.214.10.57:3920

Mutex

bf795df6-2075-40d9-84eb-258bd0bbe097

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    185.214.10.57

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-22T15:40:23.303555136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3920

  • default_group

    MAY13

  • 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

    bf795df6-2075-40d9-84eb-258bd0bbe097

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    motherpure.duckdns.org

  • 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

  • NanoCore

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

  • UPX packed file 16 IoCs

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

  • AutoIT Executable 15 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf90616d96b4fb9cd4058444c25de0069b3eaf96af827c6589146765260ad4ef.exe
    "C:\Users\Admin\AppData\Local\Temp\cf90616d96b4fb9cd4058444c25de0069b3eaf96af827c6589146765260ad4ef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3008-14-0x0000000073E10000-0x00000000743C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-22-0x0000000073E10000-0x00000000743C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-21-0x0000000073E10000-0x00000000743C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-20-0x0000000073E12000-0x0000000073E13000-memory.dmp

    Filesize

    4KB

  • memory/3008-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3008-16-0x0000000073E10000-0x00000000743C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-12-0x0000000073E12000-0x0000000073E13000-memory.dmp

    Filesize

    4KB

  • memory/3008-13-0x0000000073E10000-0x00000000743C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3464-19-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

    Filesize

    4KB

  • memory/3464-24-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-17-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-18-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-0-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-3-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-2-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-1-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-23-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-11-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

    Filesize

    4KB

  • memory/3464-25-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-26-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-27-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-28-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-29-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-30-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-31-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-32-0x0000000000020000-0x000000000021A000-memory.dmp

    Filesize

    2.0MB