nanocore | 2876998fe70b951757cb3a2394b271009228b83c58ddf201ab1cc41b6b96e741

General

Target

FeDex#095KVkFEFzENS9.exe
Size

662KB
MD5

37af043c15037de0304fcf5ed28eb768
SHA1

345ea75b23dc54de90797821341f891639f8bd76
SHA256

2876998fe70b951757cb3a2394b271009228b83c58ddf201ab1cc41b6b96e741
SHA512

f7242200790b7e9819a80808e2b1a086b39edc2225fa2d85d7bed170ad816d657bb67f996d2ad94f69d6992ba4071b23a4e15b32896ea8e1220933df721d0155
SSDEEP

12288:QkEtzLwrZ9aV1SmSxiIUf1APyAXgwi6Aq1SRLdrVTrI3skclvztOa7ehitb++:XPaymki/f1WXgwi63SRLd9OsBvsfG

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

104.168.65.245:5498

Mutex

c62b40b0-4c83-4282-a9bf-4a6f6b7ac395

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-01-13T05:18:29.662188136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5498
default_group
on GOD
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
c62b40b0-4c83-4282-a9bf-4a6f6b7ac395
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
104.168.65.245
primary_dns_server
8.8.8.8
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:

FeDex#095KVkFEFzENS9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	FeDex#095KVkFEFzENS9.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

FeDex#095KVkFEFzENS9.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA FeDex#095KVkFEFzENS9.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

FeDex#095KVkFEFzENS9.exe

description pid process target process

PID 4356 set thread context of 2220 4356 FeDex#095KVkFEFzENS9.exe FeDex#095KVkFEFzENS9.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

4152 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	FeDex#095KVkFEFzENS9.exe

description	pid	process	target process
PID 4356 set thread context of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe

pid	process
4152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

FeDex#095KVkFEFzENS9.exepowershell.exeFeDex#095KVkFEFzENS9.exe

pid	process
4356	FeDex#095KVkFEFzENS9.exe
4356	FeDex#095KVkFEFzENS9.exe
4356	FeDex#095KVkFEFzENS9.exe
4356	FeDex#095KVkFEFzENS9.exe
4356	FeDex#095KVkFEFzENS9.exe
4356	FeDex#095KVkFEFzENS9.exe
4356	FeDex#095KVkFEFzENS9.exe
1896	powershell.exe
2220	FeDex#095KVkFEFzENS9.exe
2220	FeDex#095KVkFEFzENS9.exe
2220	FeDex#095KVkFEFzENS9.exe
1896	powershell.exe
2220	FeDex#095KVkFEFzENS9.exe
2220	FeDex#095KVkFEFzENS9.exe
2220	FeDex#095KVkFEFzENS9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

FeDex#095KVkFEFzENS9.exe

pid process

2220 FeDex#095KVkFEFzENS9.exe

pid	process
2220	FeDex#095KVkFEFzENS9.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

FeDex#095KVkFEFzENS9.exepowershell.exeFeDex#095KVkFEFzENS9.exe

description	pid	process
Token: SeDebugPrivilege	4356	FeDex#095KVkFEFzENS9.exe
Token: SeDebugPrivilege	1896	powershell.exe
Token: SeDebugPrivilege	2220	FeDex#095KVkFEFzENS9.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

FeDex#095KVkFEFzENS9.exe

description	pid	process	target process
PID 4356 wrote to memory of 1896	4356	FeDex#095KVkFEFzENS9.exe	powershell.exe
PID 4356 wrote to memory of 1896	4356	FeDex#095KVkFEFzENS9.exe	powershell.exe
PID 4356 wrote to memory of 1896	4356	FeDex#095KVkFEFzENS9.exe	powershell.exe
PID 4356 wrote to memory of 4152	4356	FeDex#095KVkFEFzENS9.exe	schtasks.exe
PID 4356 wrote to memory of 4152	4356	FeDex#095KVkFEFzENS9.exe	schtasks.exe
PID 4356 wrote to memory of 4152	4356	FeDex#095KVkFEFzENS9.exe	schtasks.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe
PID 4356 wrote to memory of 2220	4356	FeDex#095KVkFEFzENS9.exe	FeDex#095KVkFEFzENS9.exe

C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe
"C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4356

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PfZEfRc.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PfZEfRc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B20.tmp"
2⤵
- Creates scheduled task(s)
PID:4152

C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe
"C:\Users\Admin\AppData\Local\Temp\FeDex#095KVkFEFzENS9.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gq2hevkz.pdn.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5B20.tmp
Filesize
1KB

MD5
24d1120008350c9b1b63eab58f40e2e4

SHA1
a2e14122eec7e6532b9e5689c5a91e6485e7e66a

SHA256
8655980a7064de3429489c235b9ac290db5c46228c3c0047679f8da5e4395354

SHA512
9eb09f221b6cfb1bfc2cd0d2359ffac4c8b857a3f2f0f7b3d57634feed72d0c02d92f3665912078c5f47dbe8f172c1af2ce11f83534bd7e10a5c5fe256a77ec0

Download Submit
memory/1896-182-0x0000000006920000-0x000000000693E000-memory.dmp

Filesize
120KB

Download
memory/1896-190-0x00000000079D0000-0x00000000079EA000-memory.dmp

Filesize
104KB

Download
memory/1896-191-0x00000000079B0000-0x00000000079B8000-memory.dmp

Filesize
32KB

Download
memory/1896-189-0x00000000078C0000-0x00000000078CE000-memory.dmp

Filesize
56KB

Download
memory/1896-188-0x0000000007910000-0x00000000079A6000-memory.dmp

Filesize
600KB

Download
memory/1896-187-0x0000000007700000-0x000000000770A000-memory.dmp

Filesize
40KB

Download
memory/1896-157-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/1896-186-0x000000007FD20000-0x000000007FD30000-memory.dmp

Filesize
64KB

Download
memory/1896-147-0x00000000059A0000-0x0000000005FC8000-memory.dmp

Filesize
6.2MB

Download
memory/1896-184-0x0000000007690000-0x00000000076AA000-memory.dmp

Filesize
104KB

Download
memory/1896-150-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/1896-152-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/1896-183-0x0000000007CD0000-0x000000000834A000-memory.dmp

Filesize
6.5MB

Download
memory/1896-151-0x0000000005330000-0x0000000005352000-memory.dmp

Filesize
136KB

Download
memory/1896-172-0x0000000071BB0000-0x0000000071BFC000-memory.dmp

Filesize
304KB

Download
memory/1896-171-0x0000000006940000-0x0000000006972000-memory.dmp

Filesize
200KB

Download
memory/1896-145-0x00000000029D0000-0x0000000002A06000-memory.dmp

Filesize
216KB

Download
memory/1896-161-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/1896-167-0x00000000063A0000-0x00000000063BE000-memory.dmp

Filesize
120KB

Download
memory/1896-170-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/2220-194-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2220-153-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/2220-148-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2220-154-0x0000000005090000-0x000000000509A000-memory.dmp

Filesize
40KB

Download
memory/4356-136-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/4356-133-0x0000000000C50000-0x0000000000CFA000-memory.dmp

Filesize
680KB

Download
memory/4356-135-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/4356-143-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/4356-139-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/4356-138-0x0000000009910000-0x00000000099AC000-memory.dmp

Filesize
624KB

Download
memory/4356-134-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/4356-137-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads