nanocore | 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685

General

Target

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe
Size

3.5MB
MD5

72541dff5041b2d243e0502ecb452ef1
SHA1

8afb4d29dee980bedefb058453ed11e1c151f938
SHA256

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685
SHA512

f4877723eb06c98b0ede4868331cc0a64a09e7c02cebad044f3b6e5d1e741d45393ee7d1937fa031e26c463dc1370037ecb0bbe3eb42fd7dda8868c844bfd7d0
SSDEEP

49152:KOb699GhOeeYrHhxNg0Dobuh9CYW/jgFdfUH8SIP1wJ5+BPtk6S:q9vYrdnw8SIKJYBP

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

arkseven7002.ddns.net:7727

Mutex

10a66da6-234d-4e15-acda-574830a08fca

Attributes

activate_away_mode
true
backup_connection_host
arkseven7002.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-04-18T01:03:25.467183836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
true
connect_delay
4000
connection_port
7727
default_group
BLESSED BOTS
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
10a66da6-234d-4e15-acda-574830a08fca
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
arkseven7002.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

jsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	jsc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe

description	pid	process	target process
PID 2416 set thread context of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe

Drops file in Program Files directory 2 IoCs

Processes:

jsc.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	jsc.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	jsc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

jsc.exe

pid process

1788 jsc.exe
1788 jsc.exe
1788 jsc.exe
1788 jsc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

jsc.exe

pid process

1788 jsc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

jsc.exe

description pid process

Token: SeDebugPrivilege 1788 jsc.exe

pid	process
1788	jsc.exe
1788	jsc.exe
1788	jsc.exe
1788	jsc.exe

pid	process
1788	jsc.exe

description	pid	process
Token: SeDebugPrivilege	1788	jsc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe

description	pid	process	target process
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe
PID 2416 wrote to memory of 1788	2416	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	jsc.exe

C:\Users\Admin\AppData\Local\Temp\152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe
"C:\Users\Admin\AppData\Local\Temp\152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1788

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1788-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1788-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1788-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1788-5-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/1788-6-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1788-9-0x0000000000350000-0x000000000035A000-memory.dmp

Filesize
40KB

Download
memory/1788-10-0x0000000000360000-0x000000000037E000-memory.dmp

Filesize
120KB

Download
memory/1788-11-0x00000000003C0000-0x00000000003CA000-memory.dmp

Filesize
40KB

Download
memory/1788-15-0x00000000005C0000-0x00000000005DA000-memory.dmp

Filesize
104KB

Download
memory/1788-14-0x0000000000520000-0x0000000000532000-memory.dmp

Filesize
72KB

Download
memory/1788-16-0x00000000005E0000-0x00000000005EE000-memory.dmp

Filesize
56KB

Download
memory/1788-18-0x0000000000690000-0x000000000069E000-memory.dmp

Filesize
56KB

Download
memory/1788-17-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/1788-20-0x00000000006B0000-0x00000000006C4000-memory.dmp

Filesize
80KB

Download
memory/1788-19-0x00000000006A0000-0x00000000006AC000-memory.dmp

Filesize
48KB

Download
memory/1788-21-0x0000000000830000-0x0000000000840000-memory.dmp

Filesize
64KB

Download
memory/1788-22-0x0000000000840000-0x0000000000854000-memory.dmp

Filesize
80KB

Download
memory/1788-23-0x0000000000850000-0x000000000085E000-memory.dmp

Filesize
56KB

Download
memory/1788-24-0x0000000001000000-0x000000000102E000-memory.dmp

Filesize
184KB

Download
memory/1788-25-0x0000000000870000-0x0000000000884000-memory.dmp

Filesize
80KB

Download
memory/1788-27-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/1788-28-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads