nanocore | 09bb497c378ed884983055338dce20e8db38ed9b966da929b0f1d5d646a52808

General

Target

SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe
Size

325KB
MD5

fd3e30e6cc538bb462a2907e2372802d
SHA1

815cbdc11aaaea43bc3fbac418afa420e38ebd43
SHA256

09bb497c378ed884983055338dce20e8db38ed9b966da929b0f1d5d646a52808
SHA512

114e1f4ba5a35ab5c1aafaf309e68b87dcef7297aab96c2d81ca6ae9073c3cc44b6ebdce39bd83743939c92f34f2c64338554f2659877892326c717ffd847e70
SSDEEP

6144:5KgJA/UVYk+V8tHRLaam09031jpj8kIsjMUWCVdKrLuzGq:5K+dVYk+qjaR09031jpjOsjMNCi/vq

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

brewsterchristophe.ddns.net:5899

194,147,5,75:5899

Mutex

b8aebc29-8c64-444f-99e6-dc4122e9bbfc

Attributes

activate_away_mode
true
backup_connection_host
194,147,5,75
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-29T03:26:40.572298236Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5899
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
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
brewsterchristophe.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

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systhhbbem.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systhhbbem.exe	Powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe

description pid process target process

PID 4976 set thread context of 3248 4976 SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe RegSvcs.exe

description	pid	process	target process
PID 4976 set thread context of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

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

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

572 schtasks.exe
2432 schtasks.exe

pid	process
572	schtasks.exe
2432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exePowershell.exeRegSvcs.exe

pid	process
4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe
4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe
3088	Powershell.exe
3088	Powershell.exe
3248	RegSvcs.exe
3248	RegSvcs.exe
3248	RegSvcs.exe
3248	RegSvcs.exe
3248	RegSvcs.exe
3248	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

3248 RegSvcs.exe

pid	process
3248	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exePowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe
Token: SeDebugPrivilege	3088	Powershell.exe
Token: SeDebugPrivilege	3248	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exeRegSvcs.exe

description	pid	process	target process
PID 4976 wrote to memory of 3088	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	Powershell.exe
PID 4976 wrote to memory of 3088	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	Powershell.exe
PID 4976 wrote to memory of 3088	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	Powershell.exe
PID 4976 wrote to memory of 2852	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 2852	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 2852	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 4976 wrote to memory of 3248	4976	SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe	RegSvcs.exe
PID 3248 wrote to memory of 572	3248	RegSvcs.exe	schtasks.exe
PID 3248 wrote to memory of 572	3248	RegSvcs.exe	schtasks.exe
PID 3248 wrote to memory of 572	3248	RegSvcs.exe	schtasks.exe
PID 3248 wrote to memory of 2432	3248	RegSvcs.exe	schtasks.exe
PID 3248 wrote to memory of 2432	3248	RegSvcs.exe	schtasks.exe
PID 3248 wrote to memory of 2432	3248	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.23719.26078.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systhhbbem.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3088

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2852

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
- Suspicious use of WriteProcessMemory
PID:3248

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5EF8.tmp"
3⤵
- Creates scheduled task(s)
PID:572

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6032.tmp"
3⤵
- Creates scheduled task(s)
PID:2432

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5EF8.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6032.tmp

Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/572-146-0x0000000000000000-mapping.dmp

Download
memory/2432-149-0x0000000000000000-mapping.dmp

Download
memory/2852-137-0x0000000000000000-mapping.dmp

Download
memory/3088-138-0x0000000004EF0000-0x0000000005518000-memory.dmp

Filesize
6.2MB

Download
memory/3088-136-0x0000000002420000-0x0000000002456000-memory.dmp

Filesize
216KB

Download
memory/3088-153-0x0000000006280000-0x00000000062A2000-memory.dmp

Filesize
136KB

Download
memory/3088-152-0x0000000006220000-0x000000000623A000-memory.dmp

Filesize
104KB

Download
memory/3088-151-0x0000000006CF0000-0x0000000006D86000-memory.dmp

Filesize
600KB

Download
memory/3088-142-0x0000000004E80000-0x0000000004EA2000-memory.dmp

Filesize
136KB

Download
memory/3088-143-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/3088-144-0x0000000005730000-0x0000000005796000-memory.dmp

Filesize
408KB

Download
memory/3088-148-0x0000000005D30000-0x0000000005D4E000-memory.dmp

Filesize
120KB

Download
memory/3088-135-0x0000000000000000-mapping.dmp

Download
memory/3248-145-0x00000000053B0000-0x00000000053BA000-memory.dmp

Filesize
40KB

Download
memory/3248-141-0x0000000005590000-0x0000000005622000-memory.dmp

Filesize
584KB

Download
memory/3248-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3248-139-0x0000000000000000-mapping.dmp

Download
memory/4976-132-0x0000000000890000-0x00000000008E6000-memory.dmp

Filesize
344KB

Download
memory/4976-134-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/4976-133-0x0000000005530000-0x00000000055CC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads