Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-05-2024 23:38

General

  • Target

    7ea084c57026f1b2a57c8bc65cd652ad839be51ca174f26bac46414b6f1b41bb.exe

  • Size

    926KB

  • MD5

    af2fe40e28280cda1e4117b0f3890d1e

  • SHA1

    388c37ddbfbac9d7d621875182989e2f013af391

  • SHA256

    7ea084c57026f1b2a57c8bc65cd652ad839be51ca174f26bac46414b6f1b41bb

  • SHA512

    5939317039a4726dab4ecb806bfd2c46f017d2e22a2bd50aec1c2ae8f0bed6d47c59c24f3c5626614f72a112ea79aaf2054f416fd4612fbf63c1806d17a7de16

  • SSDEEP

    24576:Hrl6kD68JmloLQfgqu4Dij/f7HcAdmjKt0OkhS:Ll328U2kfc4Kf7HlFV

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 dump on OEP (original entry point) 16 IoCs
  • 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
  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ea084c57026f1b2a57c8bc65cd652ad839be51ca174f26bac46414b6f1b41bb.exe
    "C:\Users\Admin\AppData\Local\Temp\7ea084c57026f1b2a57c8bc65cd652ad839be51ca174f26bac46414b6f1b41bb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2548

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2548-18-0x0000000074290000-0x000000007483B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-25-0x0000000074290000-0x000000007483B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-24-0x0000000074290000-0x000000007483B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-23-0x0000000074290000-0x000000007483B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-19-0x0000000074290000-0x000000007483B000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2548-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2548-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2548-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2548-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2548-16-0x0000000074291000-0x0000000074292000-memory.dmp

    Filesize

    4KB

  • memory/2724-21-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-27-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-20-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-0-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-22-0x0000000000D10000-0x0000000000D11000-memory.dmp

    Filesize

    4KB

  • memory/2724-3-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-2-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-1-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-26-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-6-0x0000000000D10000-0x0000000000D11000-memory.dmp

    Filesize

    4KB

  • memory/2724-28-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-29-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-30-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-31-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-32-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-33-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-34-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2724-35-0x00000000013D0000-0x00000000015CA000-memory.dmp

    Filesize

    2.0MB