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\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.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 776 set thread context of 1716 776 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 776 set thread context of 1716	776	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)\WPA Subsystem\wpass.exe	BL_DRAFT.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	BL_DRAFT.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

BL_DRAFT.exe

pid process

1716 BL_DRAFT.exe
1716 BL_DRAFT.exe
1716 BL_DRAFT.exe
1716 BL_DRAFT.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

BL_DRAFT.exe

pid process

1716 BL_DRAFT.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BL_DRAFT.exe

description pid process

Token: SeDebugPrivilege 1716 BL_DRAFT.exe

pid	process
1716	BL_DRAFT.exe
1716	BL_DRAFT.exe
1716	BL_DRAFT.exe
1716	BL_DRAFT.exe

pid	process
1716	BL_DRAFT.exe

description	pid	process
Token: SeDebugPrivilege	1716	BL_DRAFT.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

BL_DRAFT.exe

description	pid	process	target process
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	BL_DRAFT.exe	BL_DRAFT.exe
PID 776 wrote to memory of 1716	776	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 use of WriteProcessMemory
PID:776

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:1716

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

Replay Monitor

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Downloads

memory/776-54-0x0000000000EE0000-0x0000000000F8A000-memory.dmp

Filesize
680KB

Download
memory/776-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/776-56-0x0000000000440000-0x0000000000460000-memory.dmp

Filesize
128KB

Download
memory/776-57-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/776-58-0x0000000004E20000-0x0000000004EA0000-memory.dmp

Filesize
512KB

Download
memory/776-59-0x0000000004390000-0x00000000043CA000-memory.dmp

Filesize
232KB

Download
memory/1716-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1716-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1716-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1716-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1716-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1716-67-0x000000000041E792-mapping.dmp

Download
memory/1716-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1716-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1716-73-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/1716-74-0x00000000005C0000-0x00000000005DE000-memory.dmp

Filesize
120KB

Download
memory/1716-75-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/1716-76-0x0000000000740000-0x0000000000752000-memory.dmp

Filesize
72KB

Download
memory/1716-77-0x00000000007E0000-0x00000000007FA000-memory.dmp

Filesize
104KB

Download
memory/1716-78-0x0000000000800000-0x000000000080E000-memory.dmp

Filesize
56KB

Download
memory/1716-79-0x0000000000830000-0x0000000000842000-memory.dmp

Filesize
72KB

Download
memory/1716-80-0x0000000000850000-0x000000000085E000-memory.dmp

Filesize
56KB

Download
memory/1716-81-0x0000000000860000-0x000000000086C000-memory.dmp

Filesize
48KB

Download
memory/1716-82-0x0000000000C10000-0x0000000000C24000-memory.dmp

Filesize
80KB

Download
memory/1716-83-0x0000000000C20000-0x0000000000C30000-memory.dmp

Filesize
64KB

Download
memory/1716-84-0x0000000000DA0000-0x0000000000DB4000-memory.dmp

Filesize
80KB

Download
memory/1716-85-0x0000000000ED0000-0x0000000000EDE000-memory.dmp

Filesize
56KB

Download
memory/1716-86-0x00000000047F0000-0x000000000481E000-memory.dmp

Filesize
184KB

Download
memory/1716-87-0x00000000023A0000-0x00000000023B4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads