nanocore | 97dfeb60879ee1c289fee39461c9c4bdc5d377b0231298370b07485df9af8177

General

Target

1a9cbbcde60025ea46710614379aeeb0N.exe
Size

706KB
MD5

1a9cbbcde60025ea46710614379aeeb0
SHA1

d558f733f942c2f6418d2e6125526f80855ceed7
SHA256

97dfeb60879ee1c289fee39461c9c4bdc5d377b0231298370b07485df9af8177
SHA512

4cba4bb11158206167cc6bdc455d7c8d03b1bf30c6aeaece73bb3c547c3a655292bbe03ed112f4370c0253b99bdf8fdde0de92fb40e21d659f5a9c93edab0602
SSDEEP

12288:ZIbNtJKxao0NYbmJBHltC9AOTTA6IF2xPo5T+9p2WlC/E:uxtwaogYbm7yAO3FIF2a5yt4/

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newsddawork.3utilities.com:1620

maxlogs.webhop.me:1620

Mutex

1fa46b72-10f9-4da3-bc15-84dde165706d

Attributes

activate_away_mode
true
backup_connection_host
maxlogs.webhop.me
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-02-17T03:41:10.727034736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1620
default_group
NewBin
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
1fa46b72-10f9-4da3-bc15-84dde165706d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
newsddawork.3utilities.com
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:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

1a9cbbcde60025ea46710614379aeeb0N.exe

description pid process target process

PID 1936 set thread context of 4524 1936 1a9cbbcde60025ea46710614379aeeb0N.exe RegSvcs.exe

description	pid	process	target process
PID 1936 set thread context of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\NAT Subsystem\natss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\NAT Subsystem\natss.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

1a9cbbcde60025ea46710614379aeeb0N.exeRegSvcs.exe

pid	process
1936	1a9cbbcde60025ea46710614379aeeb0N.exe
1936	1a9cbbcde60025ea46710614379aeeb0N.exe
4524	RegSvcs.exe
4524	RegSvcs.exe
4524	RegSvcs.exe
4524	RegSvcs.exe
4524	RegSvcs.exe
4524	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

4524 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1a9cbbcde60025ea46710614379aeeb0N.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1936 1a9cbbcde60025ea46710614379aeeb0N.exe
Token: SeDebugPrivilege 4524 RegSvcs.exe

pid	process
4524	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1936	1a9cbbcde60025ea46710614379aeeb0N.exe
Token: SeDebugPrivilege	4524	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1a9cbbcde60025ea46710614379aeeb0N.exe

description	pid	process	target process
PID 1936 wrote to memory of 2300	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 2300	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 2300	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe
PID 1936 wrote to memory of 4524	1936	1a9cbbcde60025ea46710614379aeeb0N.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1a9cbbcde60025ea46710614379aeeb0N.exe
"C:\Users\Admin\AppData\Local\Temp\1a9cbbcde60025ea46710614379aeeb0N.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2300

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:4524

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/1936-15-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1936-1-0x00000000002F0000-0x00000000003A6000-memory.dmp

Filesize
728KB

Download
memory/1936-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/1936-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/1936-4-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

Filesize
40KB

Download
memory/1936-5-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1936-6-0x00000000077B0000-0x0000000007864000-memory.dmp

Filesize
720KB

Download
memory/1936-7-0x0000000004F70000-0x0000000004F8A000-memory.dmp

Filesize
104KB

Download
memory/1936-8-0x00000000051A0000-0x00000000051A8000-memory.dmp

Filesize
32KB

Download
memory/1936-9-0x0000000005F70000-0x0000000005F7C000-memory.dmp

Filesize
48KB

Download
memory/1936-10-0x0000000006210000-0x000000000628A000-memory.dmp

Filesize
488KB

Download
memory/1936-11-0x0000000010670000-0x000000001070C000-memory.dmp

Filesize
624KB

Download
memory/1936-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/4524-19-0x0000000004F20000-0x0000000004F2A000-memory.dmp

Filesize
40KB

Download
memory/4524-27-0x0000000006470000-0x0000000006482000-memory.dmp

Filesize
72KB

Download
memory/4524-16-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4524-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4524-20-0x00000000050E0000-0x00000000050FE000-memory.dmp

Filesize
120KB

Download
memory/4524-21-0x00000000052E0000-0x00000000052EA000-memory.dmp

Filesize
40KB

Download
memory/4524-24-0x0000000005300000-0x0000000005312000-memory.dmp

Filesize
72KB

Download
memory/4524-25-0x0000000006430000-0x000000000644A000-memory.dmp

Filesize
104KB

Download
memory/4524-26-0x0000000006460000-0x000000000646E000-memory.dmp

Filesize
56KB

Download
memory/4524-14-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4524-28-0x0000000006480000-0x000000000648C000-memory.dmp

Filesize
48KB

Download
memory/4524-29-0x0000000006490000-0x000000000649E000-memory.dmp

Filesize
56KB

Download
memory/4524-30-0x00000000064A0000-0x00000000064B4000-memory.dmp

Filesize
80KB

Download
memory/4524-31-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/4524-32-0x00000000064D0000-0x00000000064E4000-memory.dmp

Filesize
80KB

Download
memory/4524-33-0x00000000064F0000-0x00000000064FE000-memory.dmp

Filesize
56KB

Download
memory/4524-35-0x0000000006540000-0x0000000006554000-memory.dmp

Filesize
80KB

Download
memory/4524-34-0x0000000006500000-0x000000000652E000-memory.dmp

Filesize
184KB

Download
memory/4524-36-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4524-37-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads