Y1K3875FX_INV0ICE_RECEIPT.vbs

General
Target

Y1K3875FX_INV0ICE_RECEIPT.vbs

Size

4KB

Sample

220114-tygttahbf3

Score
10 /10
MD5

eabf87aa6e88a700b48fdc11fd56d034

SHA1

02aa868a130881a5dc409a7d06d943f7ae7f0654

SHA256

a52cb2c09e66deb221d1db56e62b67138e5e3de516966481f789cd48dcacbe66

SHA512

46042d15120eccc2e645a11495715f1804b2923105b698e8fcacf6111a36a3b29aa30e5416c47db83ee4d49bd80a9b7b28751a5b591d4223c01f08b9cc86493a

Malware Config

Extracted

Family nanocore
Version 1.2.2.0
C2

childhome4100.duckdns.org:4100

Attributes
activate_away_mode
true
backup_connection_host
childhome4100.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-10-26T14:02:15.903896736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4100
default_group
father of child
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
915339bc-81e8-473d-98ef-3cba5bb4ebc8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
childhome4100.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

Extracted

Family njrat
Version 1.9
Botnet HacKed
Attributes
reg_key
Microsoft.Exe
Targets
Target

Y1K3875FX_INV0ICE_RECEIPT.vbs

MD5

eabf87aa6e88a700b48fdc11fd56d034

Filesize

4KB

Score
10/10
SHA1

02aa868a130881a5dc409a7d06d943f7ae7f0654

SHA256

a52cb2c09e66deb221d1db56e62b67138e5e3de516966481f789cd48dcacbe66

SHA512

46042d15120eccc2e645a11495715f1804b2923105b698e8fcacf6111a36a3b29aa30e5416c47db83ee4d49bd80a9b7b28751a5b591d4223c01f08b9cc86493a

Tags

Signatures

  • Detect Neshta Payload

  • Modifies system executable filetype association

    Tags

    TTPs

    Modify RegistryChange Default File Association
  • NanoCore

    Description

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

    Tags

  • Neshta

    Description

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    Tags

  • njRAT/Bladabindi

    Description

    Widely used RAT written in .NET.

    Tags

  • Blocklisted process makes network request

  • Modifies Windows Firewall

    Tags

    TTPs

    Modify Existing Service
  • Checks computer location settings

    Description

    Looks up country code configured in the registry, likely geofence.

    TTPs

    Query RegistrySystem Information Discovery
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Suspicious use of SetThreadContext

Related Tasks

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