nanocore | f475dda218513a22edc7ec2e734fb91ddf60dc7b38b87e7de487de6fe9307e47

General

Target

0475ed517da8a71bc4a87f14a44cf8fe.exe
Size

12KB
MD5

0475ed517da8a71bc4a87f14a44cf8fe
SHA1

311e146bcc1a342ab135240e0c8e31730f8ad879
SHA256

f475dda218513a22edc7ec2e734fb91ddf60dc7b38b87e7de487de6fe9307e47
SHA512

9087831b5e355f48d38df716982125865aefde794ad8c1ecdd68606a4a338182eff4a2b7bcf7dc29098178b9fd485a599eae2a011f01257536c3b0b0f9ac5f58

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fridaycav.duckdns.org:6400

Mutex

453aeca4-8168-43fd-806a-925b22b64441

Attributes

activate_away_mode
true
backup_connection_host
fridaycav.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-20T17:51:18.465757636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6400
default_group
FRIDAY CAV
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
453aeca4-8168-43fd-806a-925b22b64441
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
fridaycav.duckdns.org
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
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	0475ed517da8a71bc4a87f14a44cf8fe.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	0475ed517da8a71bc4a87f14a44cf8fe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\Documents\䯶䰍䯷䯳䰒䯯䰤䯷䰥䰔䯸䰤䰄䯰䰀\svchost.exe = "0"	0475ed517da8a71bc4a87f14a44cf8fe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe = "0"	0475ed517da8a71bc4a87f14a44cf8fe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\ﺍﺊﺼﺎﺇﺏﺷﺊﺆﺼﺹﺇﺼﺹﺎ = "C:\\Users\\Public\\Documents\\䯶䰍䯷䯳䰒䯯䰤䯷䰥䰔䯸䰤䰄䯰䰀\\svchost.exe"	0475ed517da8a71bc4a87f14a44cf8fe.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

pid	process
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description pid process target process

PID 752 set thread context of 1388 752 0475ed517da8a71bc4a87f14a44cf8fe.exe 0475ed517da8a71bc4a87f14a44cf8fe.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2044 752 WerFault.exe 0475ed517da8a71bc4a87f14a44cf8fe.exe

description	pid	process	target process
PID 752 set thread context of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe

pid	pid_target	process	target process
2044	752	WerFault.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exeWerFault.exe0475ed517da8a71bc4a87f14a44cf8fe.exepowershell.exepowershell.exepowershell.exe

pid	process
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
752	0475ed517da8a71bc4a87f14a44cf8fe.exe
2044	WerFault.exe
2044	WerFault.exe
2044	WerFault.exe
2044	WerFault.exe
2044	WerFault.exe
1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
740	powershell.exe
804	powershell.exe
1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
668	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exeWerFault.exe

pid process

1388 0475ed517da8a71bc4a87f14a44cf8fe.exe
2044 WerFault.exe

pid	process
1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
2044	WerFault.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exeWerFault.exe0475ed517da8a71bc4a87f14a44cf8fe.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	752	0475ed517da8a71bc4a87f14a44cf8fe.exe
Token: SeDebugPrivilege	2044	WerFault.exe
Token: SeDebugPrivilege	1388	0475ed517da8a71bc4a87f14a44cf8fe.exe
Token: SeDebugPrivilege	804	powershell.exe
Token: SeDebugPrivilege	740	powershell.exe
Token: SeDebugPrivilege	668	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description	pid	process	target process
PID 752 wrote to memory of 668	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 668	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 668	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 668	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 740	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 740	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 740	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 740	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 804	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 804	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 804	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 804	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 1388	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 752 wrote to memory of 2044	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	WerFault.exe
PID 752 wrote to memory of 2044	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	WerFault.exe
PID 752 wrote to memory of 2044	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	WerFault.exe
PID 752 wrote to memory of 2044	752	0475ed517da8a71bc4a87f14a44cf8fe.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe
"C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe"
1⤵
- Windows security modification
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Public\Documents\䯶䰍䯷䯳䰒䯯䰤䯷䰥䰔䯸䰤䰄䯰䰀\svchost.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:668

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:740

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Public\Documents\䯶䰍䯷䯳䰒䯯䰤䯷䰥䰔䯸䰤䰄䯰䰀\svchost.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:804

C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe
"C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 1624
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2044

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

2

T1089

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
0c6c2614c99f95df597cb36df3debb9e

SHA1
f0d3fc496b311463c0929c5b198e5b05a7d2fcde

SHA256
8e8da68647793c5c98634103ef9004ddfe3c23334af31c5b082c4b64b114016a

SHA512
a0ac7e64d3a88092fdc33ebef719727627b1b2a430605f445f7e7c0be9105ae4058e36448ef8eac7deb46db438778b7416dd79c4366e177c1899f4933d34526e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
0c6c2614c99f95df597cb36df3debb9e

SHA1
f0d3fc496b311463c0929c5b198e5b05a7d2fcde

SHA256
8e8da68647793c5c98634103ef9004ddfe3c23334af31c5b082c4b64b114016a

SHA512
a0ac7e64d3a88092fdc33ebef719727627b1b2a430605f445f7e7c0be9105ae4058e36448ef8eac7deb46db438778b7416dd79c4366e177c1899f4933d34526e

Download Submit
memory/668-100-0x0000000002452000-0x0000000002454000-memory.dmp

Filesize
8KB

Download
memory/668-98-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/668-60-0x0000000000000000-mapping.dmp

Download
memory/668-99-0x0000000002451000-0x0000000002452000-memory.dmp

Filesize
4KB

Download
memory/740-84-0x0000000002460000-0x00000000030AA000-memory.dmp

Filesize
12.3MB

Download
memory/740-61-0x0000000000000000-mapping.dmp

Download
memory/740-75-0x0000000002460000-0x00000000030AA000-memory.dmp

Filesize
12.3MB

Download
memory/752-58-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/752-57-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/752-59-0x0000000000650000-0x00000000006DF000-memory.dmp

Filesize
572KB

Download
memory/752-55-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/804-77-0x0000000002320000-0x0000000002F6A000-memory.dmp

Filesize
12.3MB

Download
memory/804-62-0x0000000000000000-mapping.dmp

Download
memory/804-79-0x0000000002320000-0x0000000002F6A000-memory.dmp

Filesize
12.3MB

Download
memory/1388-80-0x0000000000580000-0x0000000000585000-memory.dmp

Filesize
20KB

Download
memory/1388-95-0x0000000004660000-0x0000000004689000-memory.dmp

Filesize
164KB

Download
memory/1388-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1388-73-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1388-72-0x000000000041E792-mapping.dmp

Download
memory/1388-81-0x0000000000590000-0x00000000005A9000-memory.dmp

Filesize
100KB

Download
memory/1388-82-0x00000000005B0000-0x00000000005B3000-memory.dmp

Filesize
12KB

Download
memory/1388-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1388-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1388-85-0x0000000000660000-0x000000000066D000-memory.dmp

Filesize
52KB

Download
memory/1388-86-0x0000000000720000-0x0000000000735000-memory.dmp

Filesize
84KB

Download
memory/1388-87-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/1388-88-0x00000000007A0000-0x00000000007AC000-memory.dmp

Filesize
48KB

Download
memory/1388-89-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1388-90-0x0000000002060000-0x0000000002067000-memory.dmp

Filesize
28KB

Download
memory/1388-91-0x0000000002070000-0x000000000207D000-memory.dmp

Filesize
52KB

Download
memory/1388-92-0x0000000002080000-0x0000000002082000-memory.dmp

Filesize
8KB

Download
memory/1388-93-0x0000000002090000-0x000000000209F000-memory.dmp

Filesize
60KB

Download
memory/1388-94-0x0000000002150000-0x000000000215A000-memory.dmp

Filesize
40KB

Download
memory/1388-76-0x00000000047E0000-0x00000000047E1000-memory.dmp

Filesize
4KB

Download
memory/1388-96-0x0000000004270000-0x000000000427F000-memory.dmp

Filesize
60KB

Download
memory/1388-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1388-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2044-83-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2044-78-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads