nanocore | 529284163b83ea0c902f6676293c7b4ff5289cfba576a504a43b6e5610a93078

General

Target

invoice copy.pdf.exe
Size

935KB
MD5

8b2f9a3638a60c5cc706ad212528784d
SHA1

5289963f790c86ec11f85948197fa132d70d6f38
SHA256

4de6466841226eea95bef6fe6868d1c3d5808d8fafa3449e333f0b6d03253c84
SHA512

e868d26932365d1c170148d1f02b298c1bd561cea91b965724441440f122861a76c5112855cf056ed0c4fc77da2e733f4793555453af1d3bb39146dc8cab4156

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

weddinglight.ddns.net:4040

Mutex

0786f2c0-e128-4479-a9aa-d40c52591ebf

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-25T20:55:59.623925336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4040
default_group
wedding
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
0786f2c0-e128-4479-a9aa-d40c52591ebf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
weddinglight.ddns.net
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

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

invoice copy.pdf.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA invoice copy.pdf.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

invoice copy.pdf.exe

description pid process target process

PID 560 set thread context of 908 560 invoice copy.pdf.exe invoice copy.pdf.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

invoice copy.pdf.exeinvoice copy.pdf.exe

pid process

560 invoice copy.pdf.exe
908 invoice copy.pdf.exe
908 invoice copy.pdf.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

invoice copy.pdf.exe

pid process

908 invoice copy.pdf.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

invoice copy.pdf.exe

pid process

560 invoice copy.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

invoice copy.pdf.exe

description pid process

Token: SeDebugPrivilege 908 invoice copy.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	invoice copy.pdf.exe

description	pid	process	target process
PID 560 set thread context of 908	560	invoice copy.pdf.exe	invoice copy.pdf.exe

pid	process
560	invoice copy.pdf.exe
908	invoice copy.pdf.exe
908	invoice copy.pdf.exe

pid	process
908	invoice copy.pdf.exe

pid	process
560	invoice copy.pdf.exe

description	pid	process
Token: SeDebugPrivilege	908	invoice copy.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

invoice copy.pdf.exe

description	pid	process	target process
PID 560 wrote to memory of 908	560	invoice copy.pdf.exe	invoice copy.pdf.exe
PID 560 wrote to memory of 908	560	invoice copy.pdf.exe	invoice copy.pdf.exe
PID 560 wrote to memory of 908	560	invoice copy.pdf.exe	invoice copy.pdf.exe
PID 560 wrote to memory of 908	560	invoice copy.pdf.exe	invoice copy.pdf.exe

C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:560

C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invoice copy.pdf.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:908

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/560-54-0x0000000075271000-0x0000000075273000-memory.dmp

Filesize
8KB

Download
memory/560-56-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/908-55-0x000000000047D4C0-mapping.dmp

Download
memory/908-57-0x00000000006E0000-0x0000000000718000-memory.dmp

Filesize
224KB

Download
memory/908-58-0x00000000006E0000-0x0000000000718000-memory.dmp

Filesize
224KB

Download
memory/908-60-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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