nanocore | 7e7550af6931e5e5ccb8dab52ea5976762c5fe1aae8b91dd6db6a122654c83ae

General

Target

RegistryKeyPermissionCh.exe
Size

728KB
MD5

f9a9d6614542c8e1ed8eff17f9bfd527
SHA1

5b6c2304de9daf1ff1a5dfc4b3bcb69a3e07e348
SHA256

7e7550af6931e5e5ccb8dab52ea5976762c5fe1aae8b91dd6db6a122654c83ae
SHA512

cb33c069b288b67f6bac6dd54f4f34dc0e70bdd6cac615d65885afec9033800cef80cbd704f44059599f8e2f8ad0599ee1eb38e14d910e780fd16a257ab7f9b6

Score

10^/10

nanocore evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

config.linkpc.net:3425

Mutex

e5ec3588-c148-476e-a8f8-2e9038dcba4d

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2022-04-01T12:01:12.053123736Z
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
3425
default_group
Default
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
e5ec3588-c148-476e-a8f8-2e9038dcba4d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
config.linkpc.net
primary_dns_server
config.linkpc.net
request_elevation
true
restart_delay
5000
run_delay
15
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

RegistryKeyPermissionCh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	RegistryKeyPermissionCh.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RegistryKeyPermissionCh.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

RegistryKeyPermissionCh.exe

description pid process target process

PID 1372 set thread context of 208 1372 RegistryKeyPermissionCh.exe RegistryKeyPermissionCh.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2536 schtasks.exe
3856 schtasks.exe

description	pid	process	target process
PID 1372 set thread context of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe

pid	process
2536	schtasks.exe
3856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

RegistryKeyPermissionCh.exepowershell.exeRegistryKeyPermissionCh.exe

pid	process
1372	RegistryKeyPermissionCh.exe
1372	RegistryKeyPermissionCh.exe
5084	powershell.exe
5084	powershell.exe
208	RegistryKeyPermissionCh.exe
208	RegistryKeyPermissionCh.exe
208	RegistryKeyPermissionCh.exe
208	RegistryKeyPermissionCh.exe
208	RegistryKeyPermissionCh.exe
208	RegistryKeyPermissionCh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegistryKeyPermissionCh.exe

pid process

208 RegistryKeyPermissionCh.exe

pid	process
208	RegistryKeyPermissionCh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RegistryKeyPermissionCh.exepowershell.exeRegistryKeyPermissionCh.exe

description	pid	process
Token: SeDebugPrivilege	1372	RegistryKeyPermissionCh.exe
Token: SeDebugPrivilege	5084	powershell.exe
Token: SeDebugPrivilege	208	RegistryKeyPermissionCh.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

RegistryKeyPermissionCh.exeRegistryKeyPermissionCh.exe

description	pid	process	target process
PID 1372 wrote to memory of 5084	1372	RegistryKeyPermissionCh.exe	powershell.exe
PID 1372 wrote to memory of 5084	1372	RegistryKeyPermissionCh.exe	powershell.exe
PID 1372 wrote to memory of 5084	1372	RegistryKeyPermissionCh.exe	powershell.exe
PID 1372 wrote to memory of 2536	1372	RegistryKeyPermissionCh.exe	schtasks.exe
PID 1372 wrote to memory of 2536	1372	RegistryKeyPermissionCh.exe	schtasks.exe
PID 1372 wrote to memory of 2536	1372	RegistryKeyPermissionCh.exe	schtasks.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 1372 wrote to memory of 208	1372	RegistryKeyPermissionCh.exe	RegistryKeyPermissionCh.exe
PID 208 wrote to memory of 3856	208	RegistryKeyPermissionCh.exe	schtasks.exe
PID 208 wrote to memory of 3856	208	RegistryKeyPermissionCh.exe	schtasks.exe
PID 208 wrote to memory of 3856	208	RegistryKeyPermissionCh.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\RegistryKeyPermissionCh.exe
"C:\Users\Admin\AppData\Local\Temp\RegistryKeyPermissionCh.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZCzaLnETi.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5084

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZCzaLnETi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3028.tmp"
2⤵
- Creates scheduled task(s)
PID:2536

C:\Users\Admin\AppData\Local\Temp\RegistryKeyPermissionCh.exe
"C:\Users\Admin\AppData\Local\Temp\RegistryKeyPermissionCh.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3306.tmp"
3⤵
- Creates scheduled task(s)
PID:3856

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3028.tmp
Filesize
1KB

MD5
2e4d3f5fed60856ea481668559cb23fa

SHA1
8966338c18254521c83335f28f698b7e3c247892

SHA256
58098d5675cc9c6551d94e066a5281af26ca13b11fe3b3a48e348ef010daa531

SHA512
ad33cc69e22f5ecbadb7163068adc1d053eba09626b5c9ca0ce1063bdc3b31f305fac8435134e5fedeb69dd67bfa3fb33c6f6ec0f81854d536f9b1b890990e41

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3306.tmp
Filesize
1KB

MD5
de4f52bed4e8636f355b853a9dde1daf

SHA1
f4bdae7d8f03697f482f5080478d6b9c954155fb

SHA256
65e60082077485521e14361b66be04a3b5b00c4a0acf833f391dbc6a013c57c3

SHA512
68d75f24832280100b4dfa323895cc37a9dc982298a2dc9fae681e84830147d7020eb813ecc4f0c03f60c1ebb1c15a232f8076454864019575e1eb2ff067fde0

Download Submit
memory/208-140-0x0000000000000000-mapping.dmp

Download
memory/208-142-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1372-131-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/1372-132-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/1372-133-0x00000000053C0000-0x00000000053CA000-memory.dmp

Filesize
40KB

Download
memory/1372-134-0x00000000094B0000-0x000000000954C000-memory.dmp

Filesize
624KB

Download
memory/1372-135-0x0000000009240000-0x00000000092A6000-memory.dmp

Filesize
408KB

Download
memory/1372-130-0x0000000000970000-0x0000000000A2C000-memory.dmp

Filesize
752KB

Download
memory/2536-137-0x0000000000000000-mapping.dmp

Download
memory/3856-145-0x0000000000000000-mapping.dmp

Download
memory/5084-144-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/5084-149-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

Filesize
304KB

Download
memory/5084-141-0x00000000055F0000-0x0000000005C18000-memory.dmp

Filesize
6.2MB

Download
memory/5084-138-0x0000000004F50000-0x0000000004F86000-memory.dmp

Filesize
216KB

Download
memory/5084-136-0x0000000000000000-mapping.dmp

Download
memory/5084-147-0x0000000006510000-0x000000000652E000-memory.dmp

Filesize
120KB

Download
memory/5084-148-0x0000000006AD0000-0x0000000006B02000-memory.dmp

Filesize
200KB

Download
memory/5084-143-0x0000000005D70000-0x0000000005D92000-memory.dmp

Filesize
136KB

Download
memory/5084-150-0x0000000006AB0000-0x0000000006ACE000-memory.dmp

Filesize
120KB

Download
memory/5084-151-0x0000000007E60000-0x00000000084DA000-memory.dmp

Filesize
6.5MB

Download
memory/5084-152-0x0000000007820000-0x000000000783A000-memory.dmp

Filesize
104KB

Download
memory/5084-153-0x0000000007890000-0x000000000789A000-memory.dmp

Filesize
40KB

Download
memory/5084-154-0x0000000007AA0000-0x0000000007B36000-memory.dmp

Filesize
600KB

Download
memory/5084-155-0x0000000007A50000-0x0000000007A5E000-memory.dmp

Filesize
56KB

Download
memory/5084-156-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/5084-157-0x0000000007B40000-0x0000000007B48000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads