Overview

overview

10

Static

static

Folha de d...oc.exe

windows7_x64

10

Folha de d...oc.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    405451a0d246bb8788fcaec9c3db727a6c2e2b6a01ce77216cf27464825f6937

  • Size

    298KB

  • Sample

    220521-pb88bsfac5

  • MD5

    5b6e16713bf1932d9bb42d53707b733f

  • SHA1

    eb368dfa861d472df676f9524b3770e4a0156c3a

  • SHA256

    405451a0d246bb8788fcaec9c3db727a6c2e2b6a01ce77216cf27464825f6937

  • SHA512

    49f6f34fbcbc27f98ef350643ecf234eef642fdc1fd479b474683a6cbecf089b9ccf603a306c3c4b6bc64e25d7cb4954c331607518e233b20373b7436278d7c5

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

24thmatch2020.duckdns.org:5626

127.0.0.1:5626
Mutex

1d5c6dc1-3b0f-4759-9757-c47b26dc4c4d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-05T07:10:58.206265736Z

  • 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

    24thMarch

  • 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

    1d5c6dc1-3b0f-4759-9757-c47b26dc4c4d

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    24thmatch2020.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

Targets

    • Target

      Folha de dados de cotação para nossa empresa doc.exe

    • Size

      384KB

    • MD5

      4f6289f38c2e4b763aeb64c42b0baaa9

    • SHA1

      b7b2718783a2a286aa6f79ec72ce07f4ac550c24

    • SHA256

      bbb434180f465363ccad24124ff5a3f326d994952fe1146c8d7b7a32bf3319f3

    • SHA512

      c3476055ba0d33125553cd85a99bef91636a1d368c0bc03c884a8fd19d991a9d0fb58dc5e9a68f4678c091dfac4444448c3adf8e8b56eb994591847f548dabba

    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