Overview

overview

10

Static

static

Informaci�...oc.exe

windows7_x64

10

Informaci�...oc.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 03:34

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General

  • Target

    Información de envío confidencial datos personales doc.exe

  • Size

    464KB

  • MD5

    884a509f47d321622a549aa0ef42b26e

  • SHA1

    2290e384617efc4f00fcd0c979692162aef9f5d7

  • SHA256

    c639174f0dd193464782b116b0924d7b46c0390fa023093269fb304178c4b403

  • SHA512

    57acc6dada0aee5dc96b04dbb1d529e8afbb8740e29853a175f6ba64b383b8518d43705c810342ac27ac2bd546a51adb55e0503763300046b0ca94e477eb2123

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

atiku2.duckdns.org:5626

23.105.131.139:5626
Mutex

fb9e5d68-5f7a-419f-bfc1-29430b1c8638

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    23.105.131.139

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-01-27T16:13:19.597345536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    5626

  • default_group

    Naija Parole

  • 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

    fb9e5d68-5f7a-419f-bfc1-29430b1c8638

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    atiku2.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

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
    evasiontrojan
  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Información de envío confidencial datos personales doc.exe
    "C:\Users\Admin\AppData\Local\Temp\Información de envío confidencial datos personales doc.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Windows security modification
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5004
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JmIRXTceTRqwg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp49E5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:992
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
        PID:3340
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
        "{path}"
        2⤵
          PID:2504
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2368

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Modify Existing Service

      1
      T1031

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Modify Registry

      2
      T1112

      Disabling Security Tools

      2
      T1089

      Virtualization/Sandbox Evasion

      2
      T1497

      Credential Access

      Discovery

      Query Registry

      5
      T1012

      Virtualization/Sandbox Evasion

      2
      T1497

      System Information Discovery

      4
      T1082

      Peripheral Device Discovery

      1
      T1120

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp49E5.tmp
        Filesize

        1KB

        MD5

        be9826d56d6db6f3b6012ee2802778ba

        SHA1

        283bbfab351d7903987fc19d9099530d6021809c

        SHA256

        56d2a3b7539ac322d963d85bd61d8ebe311d59f8f4679c413db978d6cfd9df5b

        SHA512

        9105d4751fe073e4eefc26daa90f66d54ce7c9cf72d32919e18a3c266dc34ee2c7ead247ea187ce8a9499f166402b29cc0710b9b263f52c1088bf964f38f96e5

        Download Submit
      • memory/992-148-0x0000000000000000-mapping.dmp
        Download
      • memory/2368-154-0x00000000750E0000-0x0000000075691000-memory.dmp
        Filesize

        5.7MB

        Download
      • memory/2368-153-0x0000000000400000-0x0000000000438000-memory.dmp
        Filesize

        224KB

        Download
      • memory/2368-152-0x0000000000000000-mapping.dmp
        Download
      • memory/2380-130-0x00000000750E0000-0x0000000075691000-memory.dmp
        Filesize

        5.7MB

        Download
      • memory/2504-151-0x0000000000000000-mapping.dmp
        Download
      • memory/3340-150-0x0000000000000000-mapping.dmp
        Download
      • memory/5004-136-0x00000000061A0000-0x0000000006206000-memory.dmp
        Filesize

        408KB

        Download
      • memory/5004-147-0x0000000007E00000-0x0000000007E08000-memory.dmp
        Filesize

        32KB

        Download
      • memory/5004-140-0x0000000006CE0000-0x0000000006CFE000-memory.dmp
        Filesize

        120KB

        Download
      • memory/5004-141-0x00000000080E0000-0x000000000875A000-memory.dmp
        Filesize

        6.5MB

        Download
      • memory/5004-142-0x0000000007A60000-0x0000000007A7A000-memory.dmp
        Filesize

        104KB

        Download
      • memory/5004-143-0x0000000007B50000-0x0000000007B5A000-memory.dmp
        Filesize

        40KB

        Download
      • memory/5004-144-0x0000000007D60000-0x0000000007DF6000-memory.dmp
        Filesize

        600KB

        Download
      • memory/5004-145-0x0000000007D10000-0x0000000007D1E000-memory.dmp
        Filesize

        56KB

        Download
      • memory/5004-146-0x0000000007E20000-0x0000000007E3A000-memory.dmp
        Filesize

        104KB

        Download
      • memory/5004-139-0x000000006EE00000-0x000000006EE4C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/5004-138-0x0000000006D00000-0x0000000006D32000-memory.dmp
        Filesize

        200KB

        Download
      • memory/5004-137-0x00000000067D0000-0x00000000067EE000-memory.dmp
        Filesize

        120KB

        Download
      • memory/5004-135-0x0000000006130000-0x0000000006196000-memory.dmp
        Filesize

        408KB

        Download
      • memory/5004-134-0x0000000006060000-0x0000000006082000-memory.dmp
        Filesize

        136KB

        Download
      • memory/5004-133-0x0000000005900000-0x0000000005F28000-memory.dmp
        Filesize

        6.2MB

        Download
      • memory/5004-132-0x0000000002E30000-0x0000000002E66000-memory.dmp
        Filesize

        216KB

        Download
      • memory/5004-131-0x0000000000000000-mapping.dmp
        Download