nanocore

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General

Target

a0512e7537eac6c6d9bc33483261c2403c9ac0d49f6a10748b2ad81d591ec892.xlsx
Size

343KB
Sample

211018-ys3xbaeef2
MD5

5645c8ea1ca2e5012d172b9fe4b265ae
SHA1

edcf8460d3ab64dd385ec3cea70d29c520ec8ac9
SHA256

a0512e7537eac6c6d9bc33483261c2403c9ac0d49f6a10748b2ad81d591ec892
SHA512

0f3ad6af4e3b2a74e639eb88e6d8c64c7f686c3ec8f7b202f76b08864f92670b8e77a9b31aca304197a8555e95f11af5e18a287e883fc6303cc9463e9f80f4ce

Score

10^/10

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

ezeani.duckdns.org:8338

194.5.98.48:8338

Mutex

d015a44c-6cf4-4669-a736-929e0fa74f7d

Attributes

activate_away_mode
true
backup_connection_host
194.5.98.48
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-30T11:54:13.478924636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8338
default_group
OCT
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
d015a44c-6cf4-4669-a736-929e0fa74f7d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ezeani.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
  
  a0512e7537eac6c6d9bc33483261c2403c9ac0d49f6a10748b2ad81d591ec892.xlsx
- Size
  
  343KB
- MD5
  
  5645c8ea1ca2e5012d172b9fe4b265ae
- SHA1
  
  edcf8460d3ab64dd385ec3cea70d29c520ec8ac9
- SHA256
  
  a0512e7537eac6c6d9bc33483261c2403c9ac0d49f6a10748b2ad81d591ec892
- SHA512
  
  0f3ad6af4e3b2a74e639eb88e6d8c64c7f686c3ec8f7b202f76b08864f92670b8e77a9b31aca304197a8555e95f11af5e18a287e883fc6303cc9463e9f80f4ce
Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan
- NanoCore
  NanoCore is a remote access tool (RAT) with a variety of capabilities.
  keylogger trojan stealer spyware nanocore
- Blocklisted process makes network request
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Uses the VBS compiler for execution
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Suspicious use of SetThreadContext
behavioral1 behavioral2