nanocore | 23c4426e903f6582e520db422c88f2c9d9625a03c9c5afc5851ef858185fba7d

General

Target

BL_DRAFT.exe
Size

656KB
MD5

7fbb62fafae5738f6352d111615e6603
SHA1

b9ef4b543caa94ffaa048c172c9c1057b0e5bfa2
SHA256

23c4426e903f6582e520db422c88f2c9d9625a03c9c5afc5851ef858185fba7d
SHA512

a9ce455f0322780ab6adbbbdd7bf02c775de06ebb7ecd839b36ced8c95d244728cb84923c34186ea597fab8e701c7beb5d1d662333adaf5bd533a927c54f0aa0

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

derananocore.ddns.net:1187

194.87.84.118:1187

Mutex

aee28d0a-78bc-4586-8c8c-8f93e292a11b

Attributes

activate_away_mode
true
backup_connection_host
194.87.84.118
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-09T10:37:01.806212736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
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
aee28d0a-78bc-4586-8c8c-8f93e292a11b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
derananocore.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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

BL_DRAFT.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Subsystem = "C:\\Program Files (x86)\\SCSI Subsystem\\scsiss.exe"	BL_DRAFT.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

BL_DRAFT.exe

description ioc process

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

Processes:

BL_DRAFT.exe

description pid process target process

PID 1604 set thread context of 4940 1604 BL_DRAFT.exe BL_DRAFT.exe

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

description	pid	process	target process
PID 1604 set thread context of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe

Drops file in Program Files directory 2 IoCs

Processes:

BL_DRAFT.exe

description	ioc	process
File created	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	BL_DRAFT.exe
File opened for modification	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	BL_DRAFT.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

BL_DRAFT.exeBL_DRAFT.exe

pid	process
1604	BL_DRAFT.exe
1604	BL_DRAFT.exe
1604	BL_DRAFT.exe
1604	BL_DRAFT.exe
1604	BL_DRAFT.exe
1604	BL_DRAFT.exe
4940	BL_DRAFT.exe
4940	BL_DRAFT.exe
4940	BL_DRAFT.exe
4940	BL_DRAFT.exe
4940	BL_DRAFT.exe
4940	BL_DRAFT.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

BL_DRAFT.exe

pid process

4940 BL_DRAFT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BL_DRAFT.exeBL_DRAFT.exe

description pid process

Token: SeDebugPrivilege 1604 BL_DRAFT.exe
Token: SeDebugPrivilege 4940 BL_DRAFT.exe

pid	process
4940	BL_DRAFT.exe

description	pid	process
Token: SeDebugPrivilege	1604	BL_DRAFT.exe
Token: SeDebugPrivilege	4940	BL_DRAFT.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

BL_DRAFT.exe

description	pid	process	target process
PID 1604 wrote to memory of 4864	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4864	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4864	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 2356	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 2356	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 2356	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 2912	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 2912	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 2912	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe
PID 1604 wrote to memory of 4940	1604	BL_DRAFT.exe	BL_DRAFT.exe

C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe
"C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604

C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe
"C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe"
2⤵
PID:4864

C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe
"C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe"
2⤵
PID:2356

C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe
"C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe"
2⤵
PID:2912

C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.exe
"C:\Users\Admin\AppData\Local\Temp\BL_DRAFT.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:4940

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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\BL_DRAFT.exe.log
Filesize
1KB

MD5
fc57dcb1a143324278cf61d88f8c67ad

SHA1
807d546b4296091d11a8df6a11157a5f12dd7fd5

SHA256
a75686eed807c36b056311dddc898582fd4063135fc5728d2bdd3c6e1f5ab688

SHA512
33ac55a68ac8371bf00af55e38455e886dc6aa681388622a55bf4473b1f4eda4d75a8211ea61df288ccdb26e838785da08094a7f1aac878da6ccd2e573f3bcb8

Download Submit
memory/1604-130-0x00000000000E0000-0x000000000018A000-memory.dmp

Filesize
680KB

Download
memory/1604-131-0x00000000051E0000-0x0000000005784000-memory.dmp

Filesize
5.6MB

Download
memory/1604-132-0x0000000004B10000-0x0000000004BA2000-memory.dmp

Filesize
584KB

Download
memory/1604-133-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/1604-134-0x0000000008870000-0x000000000890C000-memory.dmp

Filesize
624KB

Download
memory/1604-135-0x0000000008A80000-0x0000000008AE6000-memory.dmp

Filesize
408KB

Download
memory/2356-137-0x0000000000000000-mapping.dmp

Download
memory/2912-138-0x0000000000000000-mapping.dmp

Download
memory/4864-136-0x0000000000000000-mapping.dmp

Download
memory/4940-139-0x0000000000000000-mapping.dmp

Download
memory/4940-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads