nanocore | e2236483a8af90fdfe712a648662e4952bdfcf287f419db30a01ec8c9cfebd2d

General

Target

PO_449.exe
Size

16KB
MD5

3f5988b4bc9dc56e20d2190acb29096f
SHA1

6846513db04beb11b364bc21dbf0cef29aa835bf
SHA256

f24cccaad9d51652c9b26d8e265ef12955c24af3d9032140324a92a6675469e6
SHA512

1ac0e6b28eeaf27aaaf915b8cf9ae2d24bcffad9a98b6367783492297f0454e6331c68079bf6963abbdacd6e973fa80205286684e2df1fd10c8cbcae389be4c9
SSDEEP

384:BxvUpRBGW12cXzzVib8pLoztCepGWzJdRHQxCiy:BxvUpRnNDpt6BGuJsEB

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

freemason.ddns.net:40405

79.134.225.7:40405

Mutex

770684dd-05a1-46c0-96b6-1add91aa488c

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.7
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-27T23:04:21.727970936Z
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
40405
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
770684dd-05a1-46c0-96b6-1add91aa488c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
freemason.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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 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:

PO_449.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation PO_449.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	PO_449.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO_449.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Monitor = "C:\\Program Files (x86)\\AGP Monitor\\agpmon.exe"	PO_449.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

PO_449.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PO_449.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO_449.exe

description pid process target process

PID 1224 set thread context of 2652 1224 PO_449.exe PO_449.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PO_449.exe

description	pid	process	target process
PID 1224 set thread context of 2652	1224	PO_449.exe	PO_449.exe

Drops file in Program Files directory 2 IoCs

Processes:

PO_449.exe

description	ioc	process
File created	C:\Program Files (x86)\AGP Monitor\agpmon.exe	PO_449.exe
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.exe	PO_449.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

3528 schtasks.exe
3044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exePO_449.exePO_449.exe

pid process

5092 powershell.exe
5092 powershell.exe
1224 PO_449.exe
2652 PO_449.exe
2652 PO_449.exe
2652 PO_449.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

PO_449.exe

pid process

2652 PO_449.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO_449.exepowershell.exePO_449.exe

description pid process

Token: SeDebugPrivilege 1224 PO_449.exe
Token: SeDebugPrivilege 5092 powershell.exe
Token: SeDebugPrivilege 2652 PO_449.exe

pid	process
3528	schtasks.exe
3044	schtasks.exe

pid	process
5092	powershell.exe
5092	powershell.exe
1224	PO_449.exe
2652	PO_449.exe
2652	PO_449.exe
2652	PO_449.exe

pid	process
2652	PO_449.exe

description	pid	process
Token: SeDebugPrivilege	1224	PO_449.exe
Token: SeDebugPrivilege	5092	powershell.exe
Token: SeDebugPrivilege	2652	PO_449.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO_449.exePO_449.exe

description	pid	process	target process
PID 1224 wrote to memory of 5092	1224	PO_449.exe	powershell.exe
PID 1224 wrote to memory of 5092	1224	PO_449.exe	powershell.exe
PID 1224 wrote to memory of 5092	1224	PO_449.exe	powershell.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 1224 wrote to memory of 2652	1224	PO_449.exe	PO_449.exe
PID 2652 wrote to memory of 3528	2652	PO_449.exe	schtasks.exe
PID 2652 wrote to memory of 3528	2652	PO_449.exe	schtasks.exe
PID 2652 wrote to memory of 3528	2652	PO_449.exe	schtasks.exe
PID 2652 wrote to memory of 3044	2652	PO_449.exe	schtasks.exe
PID 2652 wrote to memory of 3044	2652	PO_449.exe	schtasks.exe
PID 2652 wrote to memory of 3044	2652	PO_449.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\PO_449.exe
"C:\Users\Admin\AppData\Local\Temp\PO_449.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5092

C:\Users\Admin\AppData\Local\Temp\PO_449.exe
C:\Users\Admin\AppData\Local\Temp\PO_449.exe
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp81E.tmp"
3⤵
- Creates scheduled task(s)
PID:3528

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp88C.tmp"
3⤵
- Creates scheduled task(s)
PID:3044

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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\PO_449.exe.log
Filesize
1KB

MD5
ef95a426c7cadbe261c528f59813e6ab

SHA1
5edc710e2a90db2d262dd4d10d6f09d20e823007

SHA256
b481e9bf0515a6beb15cb252f60847275d978eba72691d5d8fa1c6a79b5cda9a

SHA512
53039306141608f7a606a1500f61193be16e97e53724b0d76721106c8dc7a5a8406c96019b9c32d0800d011bd2e55f46d34d2d74ed9b2661c7e006e329c45180

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp81E.tmp
Filesize
1KB

MD5
f8504b1dde11a9e781c4941129ca1b0b

SHA1
00e6b784a57d84e04a00bff6f5671658aea5c358

SHA256
86807a477301cf6e27ed6e3c467e4c60aa5a6a496afad13d5d5d143549c04b94

SHA512
e59dd1cdcf184cc80355c2c86f27edbecc5959395f77f122715a08561438b82c8528a0089c970ec7cd5af12141bf589229e01b5399646c614a6d1caacb9d5703

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp88C.tmp
Filesize
1KB

MD5
157cd55403665c49c9fd3ca1196c4397

SHA1
4feed6e606b41bb617274471349582963182756b

SHA256
49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e

SHA512
bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8

Download Submit
memory/1224-142-0x0000000009250000-0x00000000092E2000-memory.dmp

Filesize
584KB

Download
memory/1224-133-0x0000000008DD0000-0x0000000008DF2000-memory.dmp

Filesize
136KB

Download
memory/1224-132-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/1224-143-0x0000000009EE0000-0x000000000A484000-memory.dmp

Filesize
5.6MB

Download
memory/2652-147-0x00000000052A0000-0x000000000533C000-memory.dmp

Filesize
624KB

Download
memory/2652-145-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2652-148-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/2652-144-0x0000000000000000-mapping.dmp

Download
memory/3044-151-0x0000000000000000-mapping.dmp

Download
memory/3528-149-0x0000000000000000-mapping.dmp

Download
memory/5092-138-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/5092-137-0x0000000005040000-0x00000000050A6000-memory.dmp

Filesize
408KB

Download
memory/5092-136-0x00000000051A0000-0x00000000057C8000-memory.dmp

Filesize
6.2MB

Download
memory/5092-140-0x0000000007650000-0x0000000007CCA000-memory.dmp

Filesize
6.5MB

Download
memory/5092-139-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

Filesize
120KB

Download
memory/5092-135-0x00000000027F0000-0x0000000002826000-memory.dmp

Filesize
216KB

Download
memory/5092-141-0x00000000062E0000-0x00000000062FA000-memory.dmp

Filesize
104KB

Download
memory/5092-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads