Overview

overview

10

Static

static

61281ee8c2...fa.exe

windows7-x64

10

61281ee8c2...fa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8008646139.zip

  • Size

    710KB

  • Sample

    220916-ph4w7afgc9

  • MD5

    2c1c2e28ebbadbea555e949aeada471f

  • SHA1

    5044b23f5a0a2722c795f1009f0330e5e4b5b42c

  • SHA256

    7f981ededb582f74097b1c0d192809b826ae4967118c0f5d93c46bfa2e9ee300

  • SHA512

    72264beb988f728c7bf7ca7976e2af8408ccac610202a63107855b67a546333d83c94ed9ee63d4e5498db5c717d0bb34691441fe617417eedfdb825360caa83f

  • SSDEEP

    12288:gdQkRbDdXeJIofxDPT5/nBHtwkYfICk6bKnX28PTFWyKZlVwRCFi:2QkRFWpxDPRnBNfYioKX2AT4yKZleci

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sharongrace.ddns.net:8223

Mutex

1bc5fd65-b5d0-4528-8c0b-bb56e6cefa77

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    sharongrace.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-21T04:35:20.632438136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8223

  • default_group

    MSword

  • 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

    1bc5fd65-b5d0-4528-8c0b-bb56e6cefa77

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    sharongrace.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

      61281ee8c26307ca4a56e9972b574a65199dfce222843d9a6445324b57cb42fa

    • Size

      1.1MB

    • MD5

      6ae67ecaac66fa631f901da9710f1e47

    • SHA1

      39cfe8d12f85e0c53e8e8e8b457a33848b15c60e

    • SHA256

      61281ee8c26307ca4a56e9972b574a65199dfce222843d9a6445324b57cb42fa

    • SHA512

      55c832e1844983cd47d4c2108a93e9615a5ac298875e09ae8f3a9e1726f8663b619b2731c80503204df3e14467d663c2ee71769aebb9948e6449726bbf6bd967

    • SSDEEP

      12288:4F7eXmERWKyWL6aRuZox9dh+HIUnxcp+4lblyI36lqxJnE70oTbnem9BAlPDr7aC:bHlua+ox/h+HHnap+45S3

    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

    • 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

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

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks