nanocore | ae432a5628bf4bfbb1ab7318541754ce516bd4e556a479af75775ac981b5a392

General

Target

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
Size

574KB
MD5

a5ed1a48da6d59988f13e7060a676b3f
SHA1

a179448c0ee72865dc3bdf4e8b5e7a426c8e30b6
SHA256

ae432a5628bf4bfbb1ab7318541754ce516bd4e556a479af75775ac981b5a392
SHA512

2cfb183758eb5d07e7c8132b08ce1cce1fb7b05c70ac0c60c6d8385fffa10a3e5c8c92f70ae075747f89ef995e8b7030d0a2818ee1d1382f13c0e518283c8745
SSDEEP

12288:WT+xvSSPYX3K+bkrEtVGxeWCLeGn6FB/phE:WqYdK2tVGHKeFxp2

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dbest2021.ddns.net:2021

Mutex

98469f35-3240-487d-84db-333cbc41b140

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-03-04T10:49:09.510976936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2021
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
98469f35-3240-487d-84db-333cbc41b140
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dbest2021.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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.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"	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

description	pid	process	target process
PID 1680 set thread context of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

Drops file in Program Files directory 2 IoCs

Processes:

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1332 schtasks.exe

pid	process
1332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exeAE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

pid	process
2724	powershell.exe
2724	powershell.exe
2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

pid process

2488 AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeAE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

description pid process

Token: SeDebugPrivilege 2724 powershell.exe
Token: SeDebugPrivilege 2488 AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

pid	process
2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

description	pid	process
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	2488	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

description	pid	process	target process
PID 1680 wrote to memory of 2724	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	powershell.exe
PID 1680 wrote to memory of 2724	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	powershell.exe
PID 1680 wrote to memory of 2724	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	powershell.exe
PID 1680 wrote to memory of 1332	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	schtasks.exe
PID 1680 wrote to memory of 1332	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	schtasks.exe
PID 1680 wrote to memory of 1332	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	schtasks.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
PID 1680 wrote to memory of 2488	1680	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe	AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe

C:\Users\Admin\AppData\Local\Temp\AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
"C:\Users\Admin\AppData\Local\Temp\AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jjUtgWjeRiGLj.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jjUtgWjeRiGLj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp923D.tmp"
2⤵
- Creates scheduled task(s)
PID:1332

C:\Users\Admin\AppData\Local\Temp\AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.exe
"C:\Users\Admin\AppData\Local\Temp\AE432A5628BF4BFBB1AB7318541754CE516BD4E556A47.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:2488

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp923D.tmp
Filesize
1KB

MD5
9f671bb97460b9ed97e8a2981196dafb

SHA1
5bea7ddc0c8e5d7cbd571bf61d6331a604f53323

SHA256
484635bb1ac4b25fc91cb21095e376d8104b9e373c8279d1c564b4564bcb1e38

SHA512
1af8173464bcc3dc0d2cb8fec649129e18c8f47f737b0f845933d11b3ed2a1b4255039b313c6479a34b9b588d818dfafc6ac1840c6fb8823e153e8e5df6ea1c6

Download Submit
memory/1332-139-0x0000000000000000-mapping.dmp

Download
memory/1680-133-0x0000000005CD0000-0x0000000006274000-memory.dmp

Filesize
5.6MB

Download
memory/1680-134-0x0000000005660000-0x00000000056F2000-memory.dmp

Filesize
584KB

Download
memory/1680-135-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/1680-136-0x0000000007890000-0x000000000792C000-memory.dmp

Filesize
624KB

Download
memory/1680-137-0x00000000091A0000-0x0000000009206000-memory.dmp

Filesize
408KB

Download
memory/1680-132-0x0000000000C40000-0x0000000000CD6000-memory.dmp

Filesize
600KB

Download
memory/2488-143-0x0000000000000000-mapping.dmp

Download
memory/2488-144-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2724-138-0x0000000000000000-mapping.dmp

Download
memory/2724-149-0x0000000070D10000-0x0000000070D5C000-memory.dmp

Filesize
304KB

Download
memory/2724-140-0x0000000002A10000-0x0000000002A46000-memory.dmp

Filesize
216KB

Download
memory/2724-145-0x0000000005480000-0x00000000054A2000-memory.dmp

Filesize
136KB

Download
memory/2724-146-0x0000000005520000-0x0000000005586000-memory.dmp

Filesize
408KB

Download
memory/2724-147-0x0000000006320000-0x000000000633E000-memory.dmp

Filesize
120KB

Download
memory/2724-148-0x00000000068D0000-0x0000000006902000-memory.dmp

Filesize
200KB

Download
memory/2724-142-0x0000000005600000-0x0000000005C28000-memory.dmp

Filesize
6.2MB

Download
memory/2724-150-0x0000000006910000-0x000000000692E000-memory.dmp

Filesize
120KB

Download
memory/2724-151-0x0000000007CA0000-0x000000000831A000-memory.dmp

Filesize
6.5MB

Download
memory/2724-152-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/2724-153-0x0000000007690000-0x000000000769A000-memory.dmp

Filesize
40KB

Download
memory/2724-154-0x00000000078A0000-0x0000000007936000-memory.dmp

Filesize
600KB

Download
memory/2724-155-0x0000000007850000-0x000000000785E000-memory.dmp

Filesize
56KB

Download
memory/2724-156-0x0000000007960000-0x000000000797A000-memory.dmp

Filesize
104KB

Download
memory/2724-157-0x0000000007940000-0x0000000007948000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads