nanocore | 17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
23-06-2024 19:18

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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
Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

2740 a1punf5t2of.exe
2572 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exea1punf5t2of.exe

pid process

3000 17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe
2740 a1punf5t2of.exe

pid	process
2740	a1punf5t2of.exe
2572	a1punf5t2of.exe

pid	process
3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe
2740	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-1-5-21-481678230-3773327859-3495911762-1000\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 2740 set thread context of 2572 2740 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 2 IoCs

Processes:

a1punf5t2of.exe

pid process

2572 a1punf5t2of.exe
2572 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2572 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2572 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 2740 set thread context of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
2572	a1punf5t2of.exe
2572	a1punf5t2of.exe

pid	process
2572	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2572	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exea1punf5t2of.exe

description	pid	process	target process
PID 3000 wrote to memory of 2740	3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 3000 wrote to memory of 2740	3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 3000 wrote to memory of 2740	3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 3000 wrote to memory of 2740	3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 3000 wrote to memory of 2740	3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 3000 wrote to memory of 2740	3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 3000 wrote to memory of 2740	3000	17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe
PID 2740 wrote to memory of 2572	2740	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe
"C:\Users\Admin\AppData\Local\Temp\17af862b1de9a3d28b0d3029320fc78a156614ffbfe8147a2d2a7cc193b708df.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2740

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:2572

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

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

MD5
3e6c6d6692d0981267b8b60843e5772b

SHA1
0b04fd0355ba2a9208b94dc041fa8159983ed208

SHA256
8c336cbd7f90d6e632bc127f2cb7285e6dce8a031f68f08b8680b389c0e0e7ff

SHA512
9b57d9f905a3134784155c525ec5d5c61d36d0cbd33f63032ed3a8755c9668e1c890a185abe503f2ed674b2aff1777e9db587165791ee0d0305dddd119bf3bb2

Download Submit
memory/2572-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2572-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2572-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2572-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2572-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2572-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2572-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2740-13-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2740-15-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2740-14-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2740-37-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-2-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-0-0x0000000074191000-0x0000000074192000-memory.dmp

Filesize
4KB

Download
memory/3000-3-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-12-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-1-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download