General

  • Target

    8008646139.zip

  • Size

    710KB

  • Sample

    220916-ph4w7afgc9

  • MD5

    2c1c2e28ebbadbea555e949aeada471f

  • SHA1

    5044b23f5a0a2722c795f1009f0330e5e4b5b42c

  • SHA256

    7f981ededb582f74097b1c0d192809b826ae4967118c0f5d93c46bfa2e9ee300

  • SHA512

    72264beb988f728c7bf7ca7976e2af8408ccac610202a63107855b67a546333d83c94ed9ee63d4e5498db5c717d0bb34691441fe617417eedfdb825360caa83f

  • SSDEEP

    12288:gdQkRbDdXeJIofxDPT5/nBHtwkYfICk6bKnX28PTFWyKZlVwRCFi:2QkRFWpxDPRnBNfYioKX2AT4yKZleci

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sharongrace.ddns.net:8223

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

      1MB

    • MD5

      6ae67ecaac66fa631f901da9710f1e47

    • SHA1

      39cfe8d12f85e0c53e8e8e8b457a33848b15c60e

    • SHA256

      61281ee8c26307ca4a56e9972b574a65199dfce222843d9a6445324b57cb42fa

    • SHA512

      55c832e1844983cd47d4c2108a93e9615a5ac298875e09ae8f3a9e1726f8663b619b2731c80503204df3e14467d663c2ee71769aebb9948e6449726bbf6bd967

    • SSDEEP

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

    • NanoCore

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • 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

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Privilege Escalation

                    Tasks