Overview

overview

10

Static

static

file.exe

windows7_x64

10

file.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    e570625ec08dbce7baa985a2f55b089be87c610da66ae0c380fa0009be720a80

  • Size

    540KB

  • Sample

    220521-cdn9qadfg3

  • MD5

    2f6c13381dcad294964b126afa30b092

  • SHA1

    731f20a9ad6b30c0a84a009f9767ce4dd2e4ca87

  • SHA256

    e570625ec08dbce7baa985a2f55b089be87c610da66ae0c380fa0009be720a80

  • SHA512

    06c172b559632074c01c1934ec8a038ab2d3e1cc260a5cc9364fe8269acac9c083a245fbb1fc52fedf7451f4dc0d8e32ac9fafd69c79ad95f9cbb17ea7565402

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

megida123.ddns.net:9900

Mutex

64aa071e-5b44-426b-ad7e-e6d42b713d32

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-01T17:02:01.784418836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9900

  • default_group

    00000

  • 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

    64aa071e-5b44-426b-ad7e-e6d42b713d32

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    megida123.ddns.net

  • 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

Targets

    • Target

      file.exe

    • Size

      478KB

    • MD5

      17474288d46bec313d81e0c0a418ebce

    • SHA1

      98eec9e6b8ad986077e96071112db24ee0ce118a

    • SHA256

      f036e2aa7615446d2cb3ab689b13aac4055bf2cb8b19b0999db08d7052a80bf1

    • SHA512

      ca1f2d3a3b07802811b59c8b1a848c9910feafdf7c16b460e6972e243460d17d9669d277f97f79ecad3ba0f38917422ee6b63b1e064a20c0f9cea595799ff22e

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • 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.

    • Adds Run key to start application

      persistence

    • 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

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

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