nanocore | 871e94eda4712d5e5549cdb71e84f794baa7fe2b52ba191ecbbcd576549fd94d

General

Target

nputty.exe
Size

626KB
MD5

2d5e1b62b58404ac5040f7454b9a73fe
SHA1

9b90698444e1abd3cfc04959ebaf8ec7c0b5bcec
SHA256

871e94eda4712d5e5549cdb71e84f794baa7fe2b52ba191ecbbcd576549fd94d
SHA512

cdde2968985db5e7532f23079f109de00ff70005ab0666662ab86e63bd8dee85c3425ac93d6c225d559963a0e5ad576131fd58274bd2c017479821c4c830a66f

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

asweee.jumpingcrab.com:8234

tryweaswweee.ydns.eu:8234

Mutex

0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d

Attributes

activate_away_mode
true
backup_connection_host
tryweaswweee.ydns.eu
backup_dns_server
tryweaswweee.ydns.eu
buffer_size
65535
build_time
2021-05-02T14:48:34.703881636Z
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
8234
default_group
AUGUST
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
0bb207a5-6f92-4ff1-abb5-35e0dc25fe5d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
asweee.jumpingcrab.com
primary_dns_server
asweee.jumpingcrab.com
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:

nputty.exe

description ioc process

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

Processes:

nputty.exe

description pid process target process

PID 808 set thread context of 204 808 nputty.exe nputty.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3580 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

nputty.exenputty.exe

pid process

808 nputty.exe
808 nputty.exe
204 nputty.exe
204 nputty.exe
204 nputty.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

nputty.exe

pid process

204 nputty.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nputty.exenputty.exe

description pid process

Token: SeDebugPrivilege 808 nputty.exe
Token: SeDebugPrivilege 204 nputty.exe

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

description	pid	process	target process
PID 808 set thread context of 204	808	nputty.exe	nputty.exe

pid	process
3580	schtasks.exe

pid	process
808	nputty.exe
808	nputty.exe
204	nputty.exe
204	nputty.exe
204	nputty.exe

pid	process
204	nputty.exe

description	pid	process
Token: SeDebugPrivilege	808	nputty.exe
Token: SeDebugPrivilege	204	nputty.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

nputty.exenputty.exe

description	pid	process	target process
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 808 wrote to memory of 204	808	nputty.exe	nputty.exe
PID 204 wrote to memory of 3580	204	nputty.exe	schtasks.exe
PID 204 wrote to memory of 3580	204	nputty.exe	schtasks.exe
PID 204 wrote to memory of 3580	204	nputty.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\nputty.exe
"C:\Users\Admin\AppData\Local\Temp\nputty.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:808

C:\Users\Admin\AppData\Local\Temp\nputty.exe
C:\Users\Admin\AppData\Local\Temp\nputty.exe
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:204

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp12DD.tmp"
3⤵
- Creates scheduled task(s)
PID:3580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\nputty.exe.log
MD5
9e7845217df4a635ec4341c3d52ed685

SHA1
d65cb39d37392975b038ce503a585adadb805da5

SHA256
d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b

SHA512
307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp12DD.tmp
MD5
3669665290f3b6dc2cfa327c5d9e2917

SHA1
ed0cfb5f78a8236b34b2dbee9e07944b8d97c266

SHA256
682bd09022357cc59c9309105c1d5c54662aeb4028d3c57578b6f67f962fa442

SHA512
a0138ef16284e9d2bf8de5a0a252eaee29040117780498d221c35820bd64cc2739d2679b622c4842dc35af6393bafe7803944027368fb001cf47efccf547215f

Download Submit
memory/204-128-0x000000000041E792-mapping.dmp

Download
memory/204-141-0x0000000005D60000-0x0000000005D63000-memory.dmp

Filesize
12KB

Download
memory/204-140-0x0000000005B20000-0x0000000005B39000-memory.dmp

Filesize
100KB

Download
memory/204-139-0x0000000005B10000-0x0000000005B15000-memory.dmp

Filesize
20KB

Download
memory/204-137-0x0000000005880000-0x0000000005D7E000-memory.dmp

Filesize
5.0MB

Download
memory/204-134-0x0000000005920000-0x0000000005921000-memory.dmp

Filesize
4KB

Download
memory/204-127-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/808-119-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/808-126-0x0000000005033000-0x0000000005035000-memory.dmp

Filesize
8KB

Download
memory/808-125-0x0000000006E10000-0x0000000006E8B000-memory.dmp

Filesize
492KB

Download
memory/808-120-0x0000000006BE0000-0x0000000006C4B000-memory.dmp

Filesize
428KB

Download
memory/808-114-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/808-118-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Filesize
4KB

Download
memory/808-117-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/808-116-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/3580-136-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads