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\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.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 1860 set thread context of 1940 1860 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 1860 set thread context of 1940	1860	BL Draft.exe	BL Draft.exe

Drops file in Program Files directory 2 IoCs

Processes:

BL Draft.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	BL Draft.exe
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	BL Draft.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

BL Draft.exe

pid process

1940 BL Draft.exe
1940 BL Draft.exe
1940 BL Draft.exe
1940 BL Draft.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

BL Draft.exe

pid process

1940 BL Draft.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BL Draft.exe

description pid process

Token: SeDebugPrivilege 1940 BL Draft.exe

pid	process
1940	BL Draft.exe
1940	BL Draft.exe
1940	BL Draft.exe
1940	BL Draft.exe

pid	process
1940	BL Draft.exe

description	pid	process
Token: SeDebugPrivilege	1940	BL Draft.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

BL Draft.exe

description	pid	process	target process
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	BL Draft.exe	BL Draft.exe
PID 1860 wrote to memory of 1940	1860	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:1860

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:1940

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/1860-54-0x0000000000910000-0x00000000009BA000-memory.dmp

Filesize
680KB

Download
memory/1860-55-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

Download
memory/1860-56-0x00000000005B0000-0x00000000005D0000-memory.dmp

Filesize
128KB

Download
memory/1860-57-0x0000000000330000-0x000000000033E000-memory.dmp

Filesize
56KB

Download
memory/1860-58-0x0000000005F00000-0x0000000005F80000-memory.dmp

Filesize
512KB

Download
memory/1860-59-0x0000000001F50000-0x0000000001F8A000-memory.dmp

Filesize
232KB

Download
memory/1940-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1940-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1940-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1940-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1940-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1940-67-0x000000000041E792-mapping.dmp

Download
memory/1940-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1940-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1940-73-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/1940-74-0x0000000000450000-0x000000000046E000-memory.dmp

Filesize
120KB

Download
memory/1940-75-0x0000000000470000-0x000000000047A000-memory.dmp

Filesize
40KB

Download
memory/1940-76-0x00000000005E0000-0x00000000005F2000-memory.dmp

Filesize
72KB

Download
memory/1940-77-0x00000000007E0000-0x00000000007FA000-memory.dmp

Filesize
104KB

Download
memory/1940-78-0x0000000000800000-0x000000000080E000-memory.dmp

Filesize
56KB

Download
memory/1940-79-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/1940-80-0x0000000001F50000-0x0000000001F5E000-memory.dmp

Filesize
56KB

Download
memory/1940-81-0x0000000001FA0000-0x0000000001FAC000-memory.dmp

Filesize
48KB

Download
memory/1940-82-0x0000000001FF0000-0x0000000002004000-memory.dmp

Filesize
80KB

Download
memory/1940-83-0x0000000002000000-0x0000000002010000-memory.dmp

Filesize
64KB

Download
memory/1940-84-0x0000000002010000-0x0000000002024000-memory.dmp

Filesize
80KB

Download
memory/1940-85-0x0000000002060000-0x000000000206E000-memory.dmp

Filesize
56KB

Download
memory/1940-86-0x0000000002080000-0x00000000020AE000-memory.dmp

Filesize
184KB

Download
memory/1940-87-0x00000000020F0000-0x0000000002104000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads