nanocore | 48cbd9ed0151760fa5182a7d319de275334de3d044c82781f18aec39d17f601d

General

Target

CPSPM_328850_12656860179_pdf.exe
Size

865KB
MD5

a1cae12bf28fe87a4ac72a07ba8ee588
SHA1

7b50eced7533928bb4c6ea832b870321eb7511fd
SHA256

0289b5c2829170ad4bb04daedbd3db5e56474415aee109a91a66ba9fa8a7a179
SHA512

da9a05b6d8bfba596439efbdf7d84a05897d31a4a66b8608ab47879d6ee951064685040bb57c4462a30920a3858bed4984fa9eb4e2994f6bd1a7ec4e20079edb

Score

10^/10

nanocore evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

config.linkpc.net:3425

Mutex

e5ec3588-c148-476e-a8f8-2e9038dcba4d

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2022-04-01T12:01:12.053123736Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3425
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
e5ec3588-c148-476e-a8f8-2e9038dcba4d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
config.linkpc.net
primary_dns_server
config.linkpc.net
request_elevation
true
restart_delay
5000
run_delay
15
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

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:

CPSPM_328850_12656860179_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	CPSPM_328850_12656860179_pdf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

CPSPM_328850_12656860179_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	CPSPM_328850_12656860179_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exe

description pid process target process

PID 2684 set thread context of 1848 2684 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2120 schtasks.exe
2888 schtasks.exe

description	pid	process	target process
PID 2684 set thread context of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe

pid	process
2120	schtasks.exe
2888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exepowershell.exeCPSPM_328850_12656860179_pdf.exe

pid	process
2684	CPSPM_328850_12656860179_pdf.exe
2684	CPSPM_328850_12656860179_pdf.exe
616	powershell.exe
616	powershell.exe
1848	CPSPM_328850_12656860179_pdf.exe
1848	CPSPM_328850_12656860179_pdf.exe
1848	CPSPM_328850_12656860179_pdf.exe
1848	CPSPM_328850_12656860179_pdf.exe
1848	CPSPM_328850_12656860179_pdf.exe
1848	CPSPM_328850_12656860179_pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exe

pid process

1848 CPSPM_328850_12656860179_pdf.exe

pid	process
1848	CPSPM_328850_12656860179_pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exepowershell.exeCPSPM_328850_12656860179_pdf.exe

description	pid	process
Token: SeDebugPrivilege	2684	CPSPM_328850_12656860179_pdf.exe
Token: SeDebugPrivilege	616	powershell.exe
Token: SeDebugPrivilege	1848	CPSPM_328850_12656860179_pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exeCPSPM_328850_12656860179_pdf.exe

description	pid	process	target process
PID 2684 wrote to memory of 616	2684	CPSPM_328850_12656860179_pdf.exe	powershell.exe
PID 2684 wrote to memory of 616	2684	CPSPM_328850_12656860179_pdf.exe	powershell.exe
PID 2684 wrote to memory of 616	2684	CPSPM_328850_12656860179_pdf.exe	powershell.exe
PID 2684 wrote to memory of 2888	2684	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 2684 wrote to memory of 2888	2684	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 2684 wrote to memory of 2888	2684	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 2684 wrote to memory of 1848	2684	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1848 wrote to memory of 2120	1848	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 1848 wrote to memory of 2120	1848	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 1848 wrote to memory of 2120	1848	CPSPM_328850_12656860179_pdf.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tOzYewoc.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tOzYewoc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BF2.tmp"
2⤵
- Creates scheduled task(s)
PID:2888

C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2F4D.tmp"
3⤵
- Creates scheduled task(s)
PID:2120

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2BF2.tmp
Filesize
1KB

MD5
ee2684d5d8e57b4ee0846f740b9fc687

SHA1
535566970d01a0771bd6c2973e202e05df8d3b02

SHA256
72413f5482b5e7b525f5b01f56bbf0be443894041a84c8cb3ea05ced9e371731

SHA512
79c264313dc2d9963f9bbd8e9867fa6b62a69e8d35ee4c50a6e7041a5d32135efe69f89a1b22b104c3bc7b31f48e7d4b912751d8467c631630032bede2c115f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2F4D.tmp
Filesize
1KB

MD5
a8bb564d4daefc1ae61c28fc719f8262

SHA1
9c69f25a7da56ddec1d6f8b048e91339ff621c0f

SHA256
a31e293fa5953f5b62b87251e1b698d5b65436142e219891c2ec6964ecc56e7b

SHA512
5f7d8becd31054368904d616f3c834cae50ced5f887bbc832bb1c69bce640b1757a486830e528d6ea8d4744fff226cac4e411b99e989164296a8062398244e72

Download Submit
memory/616-151-0x0000000007E00000-0x000000000847A000-memory.dmp

Filesize
6.5MB

Download
memory/616-154-0x0000000007A40000-0x0000000007AD6000-memory.dmp

Filesize
600KB

Download
memory/616-150-0x0000000006A50000-0x0000000006A6E000-memory.dmp

Filesize
120KB

Download
memory/616-144-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/616-136-0x0000000000000000-mapping.dmp

Download
memory/616-156-0x0000000007B00000-0x0000000007B1A000-memory.dmp

Filesize
104KB

Download
memory/616-138-0x0000000002B20000-0x0000000002B56000-memory.dmp

Filesize
216KB

Download
memory/616-155-0x00000000079F0000-0x00000000079FE000-memory.dmp

Filesize
56KB

Download
memory/616-149-0x0000000070C10000-0x0000000070C5C000-memory.dmp

Filesize
304KB

Download
memory/616-148-0x0000000006A70000-0x0000000006AA2000-memory.dmp

Filesize
200KB

Download
memory/616-142-0x00000000054F0000-0x0000000005B18000-memory.dmp

Filesize
6.2MB

Download
memory/616-143-0x0000000005CA0000-0x0000000005CC2000-memory.dmp

Filesize
136KB

Download
memory/616-157-0x0000000007AE0000-0x0000000007AE8000-memory.dmp

Filesize
32KB

Download
memory/616-152-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/616-153-0x0000000007830000-0x000000000783A000-memory.dmp

Filesize
40KB

Download
memory/616-147-0x00000000064C0000-0x00000000064DE000-memory.dmp

Filesize
120KB

Download
memory/1848-141-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1848-140-0x0000000000000000-mapping.dmp

Download
memory/2120-145-0x0000000000000000-mapping.dmp

Download
memory/2684-134-0x000000000B8D0000-0x000000000B96C000-memory.dmp

Filesize
624KB

Download
memory/2684-130-0x00000000009D0000-0x0000000000AAE000-memory.dmp

Filesize
888KB

Download
memory/2684-135-0x000000000BC10000-0x000000000BC76000-memory.dmp

Filesize
408KB

Download
memory/2684-133-0x0000000007920000-0x000000000792A000-memory.dmp

Filesize
40KB

Download
memory/2684-132-0x0000000007960000-0x00000000079F2000-memory.dmp

Filesize
584KB

Download
memory/2684-131-0x0000000007F10000-0x00000000084B4000-memory.dmp

Filesize
5.6MB

Download
memory/2888-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads