nanocore | 371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-06-2024 04:00

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General

Target

371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe
Size

281KB
MD5

76c9423865ffcee9cfd229e7ee1eace0
SHA1

df918d3ec834b9234edc3b7a7a5fe6d4c99eb82f
SHA256

371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6
SHA512

2fc9dc0ae46140420f99ab3a61565b4400237c784180bc27796c104eb235d343c382ee6f3f9746aa726bdc1f1ded139df33f0b97640fcdb7dda78c2f58671c75
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfH:boSeGUA5YZazpXUmZhZ6SG

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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:

371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

4572 a1punf5t2of.exe
1976 a1punf5t2of.exe

pid	process
4572	a1punf5t2of.exe
1976	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a1punf5t2of.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a1punf5t2of.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description pid process target process

PID 4572 set thread context of 1976 4572 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a1punf5t2of.exe

pid process

1976 a1punf5t2of.exe
1976 a1punf5t2of.exe
1976 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

1976 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 1976 a1punf5t2of.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

description	pid	process	target process
PID 4572 set thread context of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
1976	a1punf5t2of.exe
1976	a1punf5t2of.exe
1976	a1punf5t2of.exe

pid	process
1976	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	1976	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exea1punf5t2of.exe

description	pid	process	target process
PID 376 wrote to memory of 4572	376	371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe	a1punf5t2of.exe
PID 376 wrote to memory of 4572	376	371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe	a1punf5t2of.exe
PID 376 wrote to memory of 4572	376	371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe
PID 4572 wrote to memory of 1976	4572	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\371a8b10a7b51e31787758233792dd62d77a7dd402c17f3a74bcc62d4ee334b6_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:376

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4572

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1976

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
Filesize
281KB

MD5
338481026a9d007ad8fc008074e100eb

SHA1
0a155c20dce93dc97003247f1d55ec0381b5ad0c

SHA256
63caad14e72c7284d1211b75806ecae42edd19e5f2069caf2e08243ef32871dd

SHA512
ca2e7730151e8b536178a2250c56ce83a3a9fdea578f54f36d951b4fc1c6c2aca3ac86ef4052f7553bf11802f41e6178c7227cbd65fb7654663769e148792ac1

Download Submit
memory/376-0-0x0000000074F12000-0x0000000074F13000-memory.dmp

Filesize
4KB

Download
memory/376-1-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/376-2-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/376-3-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/376-17-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/1976-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1976-31-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/1976-36-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/1976-35-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/1976-28-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/1976-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1976-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1976-27-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/1976-29-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4572-18-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4572-19-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4572-32-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4572-34-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4572-21-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4572-20-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download