nanocore | bc5358211e6e8e4946ba3c7f0f40fc9b3bfe7c0a67637cbb6dc5c3543575081e

General

Target

7388d4c13053aa91c55cbbfe915590b7.exe
Size

1002KB
MD5

7388d4c13053aa91c55cbbfe915590b7
SHA1

d83738a63773be012265718e4dca94eec253f9ef
SHA256

bc5358211e6e8e4946ba3c7f0f40fc9b3bfe7c0a67637cbb6dc5c3543575081e
SHA512

68bcf619c3463451aaaeb8eace269f6ce98ecbc177e9f524087456f016bf038bbe9e10255d9826426422968d5ddd2c7e2f46264539fd6138388998cc8655e700
SSDEEP

12288:1gNaV7uikFgVCCMFlZltgdUKAC9iDiZRd2z+u03ne/47bTqo1k+W:1BlubgVGFPlmdU/C8Ded2M3e/c2o

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

wiz121.ddns.net:1880

127.0.0.1:1880

Mutex

8bcf8b9d-91d7-4b59-a82e-7275a37f615b

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2022-06-25T12:52:04.650853336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1880
default_group
purchase inquiry 09/13
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
8bcf8b9d-91d7-4b59-a82e-7275a37f615b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
wiz121.ddns.net
primary_dns_server
37.235.1.174
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
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 37.235.1.177
Destination IP 37.235.1.174
Destination IP 37.235.1.177
Destination IP 37.235.1.174
Destination IP 37.235.1.174

description	ioc
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.174

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	7388d4c13053aa91c55cbbfe915590b7.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7388d4c13053aa91c55cbbfe915590b7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

description pid process target process

PID 1660 set thread context of 1704 1660 7388d4c13053aa91c55cbbfe915590b7.exe 7388d4c13053aa91c55cbbfe915590b7.exe

description	pid	process	target process
PID 1660 set thread context of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe

Drops file in Program Files directory 2 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

description	ioc	process
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	7388d4c13053aa91c55cbbfe915590b7.exe
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	7388d4c13053aa91c55cbbfe915590b7.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 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

2044 schtasks.exe

pid	process
2044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exepowershell.exe7388d4c13053aa91c55cbbfe915590b7.exe

pid	process
1660	7388d4c13053aa91c55cbbfe915590b7.exe
1660	7388d4c13053aa91c55cbbfe915590b7.exe
1660	7388d4c13053aa91c55cbbfe915590b7.exe
1660	7388d4c13053aa91c55cbbfe915590b7.exe
1660	7388d4c13053aa91c55cbbfe915590b7.exe
1660	7388d4c13053aa91c55cbbfe915590b7.exe
1660	7388d4c13053aa91c55cbbfe915590b7.exe
1660	7388d4c13053aa91c55cbbfe915590b7.exe
2004	powershell.exe
1704	7388d4c13053aa91c55cbbfe915590b7.exe
1704	7388d4c13053aa91c55cbbfe915590b7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

pid process

1704 7388d4c13053aa91c55cbbfe915590b7.exe

pid	process
1704	7388d4c13053aa91c55cbbfe915590b7.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exepowershell.exe7388d4c13053aa91c55cbbfe915590b7.exe

description	pid	process
Token: SeDebugPrivilege	1660	7388d4c13053aa91c55cbbfe915590b7.exe
Token: SeDebugPrivilege	2004	powershell.exe
Token: SeDebugPrivilege	1704	7388d4c13053aa91c55cbbfe915590b7.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

pid process

1660 7388d4c13053aa91c55cbbfe915590b7.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

pid process

1660 7388d4c13053aa91c55cbbfe915590b7.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

7388d4c13053aa91c55cbbfe915590b7.exe

C:\Users\Admin\AppData\Local\Temp\7388d4c13053aa91c55cbbfe915590b7.exe
"C:\Users\Admin\AppData\Local\Temp\7388d4c13053aa91c55cbbfe915590b7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uBUrhlEBRuTYya.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uBUrhlEBRuTYya" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD106.tmp"
2⤵
- Creates scheduled task(s)
PID:2044

C:\Users\Admin\AppData\Local\Temp\7388d4c13053aa91c55cbbfe915590b7.exe
"C:\Users\Admin\AppData\Local\Temp\7388d4c13053aa91c55cbbfe915590b7.exe"
2⤵
PID:1692

C:\Users\Admin\AppData\Local\Temp\7388d4c13053aa91c55cbbfe915590b7.exe
"C:\Users\Admin\AppData\Local\Temp\7388d4c13053aa91c55cbbfe915590b7.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
PID:1704

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD106.tmp
Filesize
1KB

MD5
055cc661774d5a264b94379ec44f4fb5

SHA1
f800b1b121f63a1d987a2c900d68821107439f59

SHA256
98936e205a04f1ec498005040796ee0b50d7afad2221a398eb385d63a8073ce6

SHA512
f1b1b4d858ddbc219cfcff87c1963569fff24faa3879bcd118eca052dc1e58e90fd9c9c800b5fc75f7dc5b1b7d3e6e27bb84ece5efb21fffdf73cc2bbd511a20

Download Submit
memory/1660-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/1660-56-0x0000000000670000-0x0000000000686000-memory.dmp

Filesize
88KB

Download
memory/1660-57-0x0000000000680000-0x000000000068C000-memory.dmp

Filesize
48KB

Download
memory/1660-58-0x0000000005DF0000-0x0000000005E84000-memory.dmp

Filesize
592KB

Download
memory/1660-54-0x0000000000280000-0x0000000000380000-memory.dmp

Filesize
1024KB

Download
memory/1660-63-0x0000000005140000-0x000000000517A000-memory.dmp

Filesize
232KB

Download
memory/1704-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1704-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1704-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1704-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1704-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1704-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1704-71-0x000000000041E792-mapping.dmp

Download
memory/1704-79-0x0000000000780000-0x000000000078A000-memory.dmp

Filesize
40KB

Download
memory/1704-78-0x00000000007E0000-0x00000000007FE000-memory.dmp

Filesize
120KB

Download
memory/1704-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1704-77-0x0000000000770000-0x000000000077A000-memory.dmp

Filesize
40KB

Download
memory/2004-59-0x0000000000000000-mapping.dmp

Download
memory/2004-80-0x000000006E670000-0x000000006EC1B000-memory.dmp

Filesize
5.7MB

Download
memory/2004-81-0x000000006E670000-0x000000006EC1B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-60-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 1660 wrote to memory of 2004	1660	7388d4c13053aa91c55cbbfe915590b7.exe	powershell.exe
PID 1660 wrote to memory of 2004	1660	7388d4c13053aa91c55cbbfe915590b7.exe	powershell.exe
PID 1660 wrote to memory of 2004	1660	7388d4c13053aa91c55cbbfe915590b7.exe	powershell.exe
PID 1660 wrote to memory of 2004	1660	7388d4c13053aa91c55cbbfe915590b7.exe	powershell.exe
PID 1660 wrote to memory of 2044	1660	7388d4c13053aa91c55cbbfe915590b7.exe	schtasks.exe
PID 1660 wrote to memory of 2044	1660	7388d4c13053aa91c55cbbfe915590b7.exe	schtasks.exe
PID 1660 wrote to memory of 2044	1660	7388d4c13053aa91c55cbbfe915590b7.exe	schtasks.exe
PID 1660 wrote to memory of 2044	1660	7388d4c13053aa91c55cbbfe915590b7.exe	schtasks.exe
PID 1660 wrote to memory of 1692	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1692	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1692	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1692	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1692	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1692	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1692	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe
PID 1660 wrote to memory of 1704	1660	7388d4c13053aa91c55cbbfe915590b7.exe	7388d4c13053aa91c55cbbfe915590b7.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads