nanocore | f7943cf69c4834c48a432c2a76caa9eecc80fa9fffdf5868277556c6d3fefd64

General

Target

12897cc89f6a46e25f9d5445e9299003.exe
Size

1.0MB
MD5

12897cc89f6a46e25f9d5445e9299003
SHA1

6b3d478c2895cccbf8bfd6135338e517bb20707c
SHA256

f7943cf69c4834c48a432c2a76caa9eecc80fa9fffdf5868277556c6d3fefd64
SHA512

0baa5d19ae88a4bab3d512717e0ea27d6d3edcd4ea67712e90c0d5b0013e3fe6315e138514fc4bb39f07af27e58d669ca87ea7126edf43990a44fafa1d64514f

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

luf.ddns.net:8282

127.0.0.1:8282

Mutex

086e57af-7b22-4ec3-b93e-b3b9bd99d4ca

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2021-07-26T10:00:17.908045136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8282
default_group
luciano
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
086e57af-7b22-4ec3-b93e-b3b9bd99d4ca
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
luf.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12897cc89f6a46e25f9d5445e9299003.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Service = "C:\\Program Files (x86)\\SMTP Service\\smtpsvc.exe"	12897cc89f6a46e25f9d5445e9299003.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

12897cc89f6a46e25f9d5445e9299003.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	12897cc89f6a46e25f9d5445e9299003.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

12897cc89f6a46e25f9d5445e9299003.exe

description pid process target process

PID 1876 set thread context of 956 1876 12897cc89f6a46e25f9d5445e9299003.exe 12897cc89f6a46e25f9d5445e9299003.exe

description	pid	process	target process
PID 1876 set thread context of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe

Drops file in Program Files directory 2 IoCs

Processes:

12897cc89f6a46e25f9d5445e9299003.exe

description	ioc	process
File created	C:\Program Files (x86)\SMTP Service\smtpsvc.exe	12897cc89f6a46e25f9d5445e9299003.exe
File opened for modification	C:\Program Files (x86)\SMTP Service\smtpsvc.exe	12897cc89f6a46e25f9d5445e9299003.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

1564 schtasks.exe

pid	process
1564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

12897cc89f6a46e25f9d5445e9299003.exe12897cc89f6a46e25f9d5445e9299003.exepowershell.exe

pid	process
1876	12897cc89f6a46e25f9d5445e9299003.exe
1876	12897cc89f6a46e25f9d5445e9299003.exe
956	12897cc89f6a46e25f9d5445e9299003.exe
956	12897cc89f6a46e25f9d5445e9299003.exe
580	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

12897cc89f6a46e25f9d5445e9299003.exe

pid process

956 12897cc89f6a46e25f9d5445e9299003.exe

pid	process
956	12897cc89f6a46e25f9d5445e9299003.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

12897cc89f6a46e25f9d5445e9299003.exe12897cc89f6a46e25f9d5445e9299003.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1876	12897cc89f6a46e25f9d5445e9299003.exe
Token: SeDebugPrivilege	956	12897cc89f6a46e25f9d5445e9299003.exe
Token: SeDebugPrivilege	580	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

12897cc89f6a46e25f9d5445e9299003.exe

description	pid	process	target process
PID 1876 wrote to memory of 580	1876	12897cc89f6a46e25f9d5445e9299003.exe	powershell.exe
PID 1876 wrote to memory of 580	1876	12897cc89f6a46e25f9d5445e9299003.exe	powershell.exe
PID 1876 wrote to memory of 580	1876	12897cc89f6a46e25f9d5445e9299003.exe	powershell.exe
PID 1876 wrote to memory of 580	1876	12897cc89f6a46e25f9d5445e9299003.exe	powershell.exe
PID 1876 wrote to memory of 1564	1876	12897cc89f6a46e25f9d5445e9299003.exe	schtasks.exe
PID 1876 wrote to memory of 1564	1876	12897cc89f6a46e25f9d5445e9299003.exe	schtasks.exe
PID 1876 wrote to memory of 1564	1876	12897cc89f6a46e25f9d5445e9299003.exe	schtasks.exe
PID 1876 wrote to memory of 1564	1876	12897cc89f6a46e25f9d5445e9299003.exe	schtasks.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe
PID 1876 wrote to memory of 956	1876	12897cc89f6a46e25f9d5445e9299003.exe	12897cc89f6a46e25f9d5445e9299003.exe

C:\Users\Admin\AppData\Local\Temp\12897cc89f6a46e25f9d5445e9299003.exe
"C:\Users\Admin\AppData\Local\Temp\12897cc89f6a46e25f9d5445e9299003.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\12897cc89f6a46e25f9d5445e9299003.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:580

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VJGIel" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFB3.tmp"
2⤵
- Creates scheduled task(s)
PID:1564

C:\Users\Admin\AppData\Local\Temp\12897cc89f6a46e25f9d5445e9299003.exe
"C:\Users\Admin\AppData\Local\Temp\12897cc89f6a46e25f9d5445e9299003.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:956

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

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Downloads

memory/580-73-0x0000000002510000-0x000000000315A000-memory.dmp

Filesize
12.3MB

Download
memory/580-61-0x0000000000000000-mapping.dmp

Download
memory/580-77-0x0000000002510000-0x000000000315A000-memory.dmp

Filesize
12.3MB

Download
memory/956-75-0x00000000004F0000-0x0000000000509000-memory.dmp

Filesize
100KB

Download
memory/956-74-0x00000000003E0000-0x00000000003E5000-memory.dmp

Filesize
20KB

Download
memory/956-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/956-76-0x00000000003F0000-0x00000000003F3000-memory.dmp

Filesize
12KB

Download
memory/956-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/956-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/956-72-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/956-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/956-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/956-69-0x000000000041E792-mapping.dmp

Download
memory/956-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1564-63-0x0000000000000000-mapping.dmp

Download
memory/1876-57-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/1876-55-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/1876-60-0x0000000005830000-0x0000000005903000-memory.dmp

Filesize
844KB

Download
memory/1876-58-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/1876-59-0x00000000006F0000-0x00000000006F5000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads