Invoice No F1019855_PDF.vbs

General
Target

Invoice No F1019855_PDF.vbs

Size

486KB

Sample

210504-n19mkt4ej2

Score
10 /10
MD5

ce4dcec84bfeba49404fa70f5d137645

SHA1

c31021953c59af126d0095bea70c26ca02a2d954

SHA256

ca85b069b028fc30a2af436344eae332ad6afe8a7e3904a48ee63948ab6c3133

SHA512

206f93128c63f78891cd55aff0a2ffe74696845df2f1d2a359bd569716f2a8a7d68c9b12c724c3b5e35963664eba8ce41d8eb65c54f5f36d256fb850635e7b01

Malware Config

Extracted

Family nanocore
Version 1.2.2.0
C2

sys2021.linkpc.net:11940

191.96.25.26:11940

Attributes
activate_away_mode
true
backup_connection_host
191.96.25.26
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-01T07:39:23.093861436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
11940
default_group
Start Up
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
ac555290-50d4-4120-9390-e76e4f948dd7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sys2021.linkpc.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

Invoice No F1019855_PDF.vbs

MD5

ce4dcec84bfeba49404fa70f5d137645

Filesize

486KB

Score
10 /10
SHA1

c31021953c59af126d0095bea70c26ca02a2d954

SHA256

ca85b069b028fc30a2af436344eae332ad6afe8a7e3904a48ee63948ab6c3133

SHA512

206f93128c63f78891cd55aff0a2ffe74696845df2f1d2a359bd569716f2a8a7d68c9b12c724c3b5e35963664eba8ce41d8eb65c54f5f36d256fb850635e7b01

Tags

Signatures

  • AsyncRat

    Description

    AsyncRAT is designed to remotely monitor and control other computers.

    Tags

  • Contains code to disable Windows Defender

    Description

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • NanoCore

    Description

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

    Tags

  • Async RAT payload

    Tags

  • Executes dropped EXE

  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup Folder Modify Registry
  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery

Related Tasks

MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Privilege Escalation