Overview

overview

10

Static

static

RFQVT-00040520.exe

windows7_x64

10

RFQVT-00040520.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    88bb3971c33a10cc7506840cd76e0ae9759b0560ea7bcf73cc22a4b5d64348dd

  • Size

    427KB

  • Sample

    220521-c226gsaabr

  • MD5

    22ba3d57882130702c16bfc7848a6338

  • SHA1

    b80a1be365be016b502afca9686729a121cc1270

  • SHA256

    88bb3971c33a10cc7506840cd76e0ae9759b0560ea7bcf73cc22a4b5d64348dd

  • SHA512

    34d0812961dd6293d8c8fb60575dd29eaff721e2f4a00ff98fc72fa6613e4803b3f065d6411d57ee99809b7f70d55880da3d887a4950d1a4d6e320f09a3d26af

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fowok.ddns.net:5656

fowok.duckdns.org:5656
Mutex

7489475d-84cb-4045-9bbe-971598b1bb8d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fowok.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-15T01:59:58.454793136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    5656

  • default_group

    fowok

  • 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

    7489475d-84cb-4045-9bbe-971598b1bb8d

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    fowok.ddns.net

  • 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

Targets

    • Target

      RFQVT-00040520.exe

    • Size

      509KB

    • MD5

      e26983a9e8c443c97181ca8e3f379ca9

    • SHA1

      9b0644c5a2b9f0213cb09a651cc718a286879cc6

    • SHA256

      640477c11295f4211d11bc6adaf108da81e315fd31dfbb02ea2d18e3008b55e5

    • SHA512

      e323e0b1364f89f3eb45e174f38a80217715e1452fa65bc265a68fd7ba0ee434fb84f9f5d9216694a2425598c7534cdcefd3bd0e748d1d099c144005261a8387

    Score
    10/10
    nanocoreevasionkeyloggerspywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

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

Tasks