Overview

overview

10

Static

static

PDF.exe

windows7_x64

10

PDF.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    5b0eb5664dc373aa5e2c59229bb23e88d02b04f8054cd04a37bf218c4692aada

  • Size

    318KB

  • Sample

    220521-dfl3taafgm

  • MD5

    f340014c686c3ff40946cab4d3117807

  • SHA1

    ad67ff04c18fdd5bafa7a1f92a38c8133d1c8327

  • SHA256

    5b0eb5664dc373aa5e2c59229bb23e88d02b04f8054cd04a37bf218c4692aada

  • SHA512

    0b6c4c86c7cd5af829a4701f090462c0e7c0d95e4d40281a6cf11fbe01865c8ececbede19c910e216588ea4af9e508c80f8eb36e5d19bc66f601b0e96b35698a

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

172.111.188.199:8829

Mutex

ce1d7a43-a4b9-4511-9ddf-1134841f2535

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-02T10:25:40.952250336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8829

  • default_group

    Billi

  • 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

    ce1d7a43-a4b9-4511-9ddf-1134841f2535

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    172.111.188.199

  • 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

      PDF.exe

    • Size

      356KB

    • MD5

      a545c585fdb84c6e92484da233292e25

    • SHA1

      b491d5687f2ae3c16ee329b9b7d83255787d5d65

    • SHA256

      b4a60a5fdddebf1351aa77b5ae1b850c8f53312cbe7e3792a0adbd3a458c70ba

    • SHA512

      f9ce5c7b1901fda942843fe72af17885a46cb9acf59783b14d6df5a315dab09db0a50c215f16c627120284398e037549793a5d2a277ac1319965206875f8bb85

    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.

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks