Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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) 15 IoCs
  • UPX packed file 15 IoCs

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

  • AutoIT Executable 14 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 5 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:3184
    • 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:4356
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3208 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:936

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3184-15-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-32-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-24-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-5-0x00000000015A0000-0x00000000015A1000-memory.dmp

      Filesize

      4KB

    • memory/3184-29-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-31-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-0-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-17-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-2-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-1-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-30-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-18-0x00000000015A0000-0x00000000015A1000-memory.dmp

      Filesize

      4KB

    • memory/3184-28-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-27-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-21-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-26-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/3184-25-0x0000000000E70000-0x000000000106A000-memory.dmp

      Filesize

      2.0MB

    • memory/4356-12-0x0000000073950000-0x0000000073F01000-memory.dmp

      Filesize

      5.7MB

    • memory/4356-23-0x0000000073950000-0x0000000073F01000-memory.dmp

      Filesize

      5.7MB

    • memory/4356-22-0x0000000073950000-0x0000000073F01000-memory.dmp

      Filesize

      5.7MB

    • memory/4356-20-0x0000000073950000-0x0000000073F01000-memory.dmp

      Filesize

      5.7MB

    • memory/4356-19-0x0000000073952000-0x0000000073953000-memory.dmp

      Filesize

      4KB

    • memory/4356-16-0x0000000073950000-0x0000000073F01000-memory.dmp

      Filesize

      5.7MB

    • memory/4356-13-0x0000000073950000-0x0000000073F01000-memory.dmp

      Filesize

      5.7MB

    • memory/4356-11-0x0000000073952000-0x0000000073953000-memory.dmp

      Filesize

      4KB

    • memory/4356-6-0x00000000003B0000-0x00000000003E8000-memory.dmp

      Filesize

      224KB