nanocore | b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4

General

Target

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
Size

428KB
MD5

5c97a7efb2e566c2a07a5221dc6fdaf9
SHA1

4f73711d24f3f73e0258605eb80eb163e6d2eacc
SHA256

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4
SHA512

4f976c28b41cde0bc1310a73a7bfcb20a1f81d34ac998bdd42a5822e5cef679b7981f57da3fd519e8d1a9043a310ffd565ab9570fc27badb1f745e1656950fc2

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.107:8462

127.0.0.1:8462

Mutex

c1d1b480-0940-4605-a63e-4132bf3712e1

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-17T08:11:07.990222936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
8462
default_group
A
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
c1d1b480-0940-4605-a63e-4132bf3712e1
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
194.5.97.107
primary_dns_server
8.8.8.8
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
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

description	pid	process	target process
PID 5032 set thread context of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.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

4356 schtasks.exe

pid	process
4356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exeb416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

pid	process
5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

pid process

616 b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

pid	process
616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exeb416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

description	pid	process
Token: SeDebugPrivilege	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
Token: SeDebugPrivilege	616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exeb416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe

description	pid	process	target process
PID 5032 wrote to memory of 1840	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 1840	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 1840	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 5032 wrote to memory of 616	5032	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
PID 616 wrote to memory of 4356	616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	schtasks.exe
PID 616 wrote to memory of 4356	616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	schtasks.exe
PID 616 wrote to memory of 4356	616	b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
"C:\Users\Admin\AppData\Local\Temp\b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032

C:\Users\Admin\AppData\Local\Temp\b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
"{path}"
2⤵
PID:1840

C:\Users\Admin\AppData\Local\Temp\b416ec47e06a2d93ed3dd5d08c5f357dd9a2a58b220d405f4b48366f83fd4ad4.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B48.tmp"
3⤵
- Creates scheduled task(s)
PID:4356

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6B48.tmp
Filesize
1KB

MD5
9849a537b20c6bea4ec0d4abae90763a

SHA1
5b22ceac8e1863340234917cc792cec5422f98c5

SHA256
3a7e630a837a74bd73084fb3b4eab049f253915076d9922fe2aec0c6a75d39b2

SHA512
f85607e77b13433bd6f5b680ad4edac096166b5d130ba00197558af188eec06da5bc2777add6fd9db5c7e2afbfa4b01d6517832f65e50aef0eb395f3bd70a534

Download Submit
memory/616-132-0x0000000000000000-mapping.dmp

Download
memory/616-133-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/616-134-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/1840-131-0x0000000000000000-mapping.dmp

Download
memory/4356-135-0x0000000000000000-mapping.dmp

Download
memory/5032-130-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads