Overview

overview

10

Static

static

5

COVID-19 V...le.exe

windows7-x64

10

COVID-19 V...le.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • 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
    28-09-2024 00:49

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General

  • Target

    COVID-19 Vaccine Sample.exe

  • Size

    1.6MB

  • MD5

    91870ccc3bfca2f49ced895e28ae1844

  • SHA1

    5ba817e16623c79605ed923033f1ff74633c075f

  • SHA256

    a88612acfb81cf09772f6bc9d0dccca8c8d5569ea73148e1e6d1fe0381fe5aec

  • SHA512

    e88c7d313a017fb51ac933818845594bdd29dfd9ab1a7d3d7c04742104ae74217e190231c25711bbfb63fa3df32a858e01c4cc435e4d35e0657bdcef15797aa4

  • SSDEEP

    24576:LCdxte/80jYLT3U1jfsWaij0xEVEFxxOWHwRMODKjidxuVxdquBW0PkDpCX2rkTQ:Cw80cTsjkWaidWHOKjDx5BvP2k2rV

Score
10/10
nanocorediscoverykeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.161:2404

Mutex

42616936-d942-4900-bde0-8c61d205ad87

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-01-16T21:35:27.028614736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2404

  • default_group

    COVID

  • 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

    42616936-d942-4900-bde0-8c61d205ad87

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.140.53.161

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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.

    keyloggertrojanstealerspywarenanocore
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\COVID-19 Vaccine Sample.exe
    "C:\Users\Admin\AppData\Local\Temp\COVID-19 Vaccine Sample.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegSvcs.exe"
      2⤵
        PID:1468
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegSvcs.exe"
        2⤵
          PID:888
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegSvcs.exe"
          2⤵
          • Adds Run key to start application
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:4204

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4204-5-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

        Download

      • memory/4204-6-0x00000000742A2000-0x00000000742A3000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4204-7-0x00000000742A0000-0x0000000074851000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/4204-8-0x00000000742A0000-0x0000000074851000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/4204-11-0x00000000742A0000-0x0000000074851000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/4204-12-0x00000000742A2000-0x00000000742A3000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4204-13-0x00000000742A0000-0x0000000074851000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/4204-14-0x00000000742A0000-0x0000000074851000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/4204-15-0x00000000742A0000-0x0000000074851000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/4412-3-0x0000000000FF0000-0x0000000001056000-memory.dmp

        Filesize

        408KB

        Download

      • memory/4412-4-0x0000000003960000-0x00000000039C6000-memory.dmp

        Filesize

        408KB

        Download