nanocore | 17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df

Analysis

max time kernel
147s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
23-06-2024 19:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe
Size

281KB
MD5

874bf906d0131982bb97330145cbd5d1
SHA1

0220e132abb189734039b64c13fc76ef53721b9b
SHA256

17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df
SHA512

63422e159173f22ef19a81c6e7fc5c956e87c711ef894c2ae2dd57c362f0201a248d0a49ca1b5e21ccda852d455bc8591f864e26b9278b5ebd189e9d8fe709d8
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfB:boSeGUA5YZazpXUmZhZ6Sk

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:

17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe

Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

5084 a1punf5t2of.exe
3396 a1punf5t2of.exe

pid	process
5084	a1punf5t2of.exe
3396	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.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 5084 set thread context of 3396 5084 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

3396 a1punf5t2of.exe
3396 a1punf5t2of.exe
3396 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

3396 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 3396 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 5084 set thread context of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
3396	a1punf5t2of.exe
3396	a1punf5t2of.exe
3396	a1punf5t2of.exe

pid	process
3396	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	3396	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exea1punf5t2of.exe

description	pid	process	target process
PID 4680 wrote to memory of 5084	4680	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 4680 wrote to memory of 5084	4680	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 4680 wrote to memory of 5084	4680	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe
PID 5084 wrote to memory of 3396	5084	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe
"C:\Users\Admin\AppData\Local\Temp\17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4680

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:5084

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:3396

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
605820611185459ecda09c5ffa6c5419

SHA1
bc4a08126668e2f9466a7319749f4ab53352f5e8

SHA256
8d097aeea9878413de5d00c6af30f82186e6e6c082a53a36e6e8470804f10529

SHA512
9d8430e4613bb24dc4fd54a6a347f18fd6138b299c5d79a0f00914e0ce6213298cc3dcea47991e15f77ef0719c9c413c1c3c167fa8468971f50730d7e07a54a3

Download Submit
memory/3396-30-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3396-28-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3396-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3396-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3396-34-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3396-27-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3396-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3396-26-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3396-35-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4680-3-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4680-18-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4680-2-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4680-0-0x0000000074E62000-0x0000000074E63000-memory.dmp

Filesize
4KB

Download
memory/4680-1-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5084-20-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5084-19-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5084-31-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5084-33-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/5084-17-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download