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	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	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 14 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

pid	process
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description pid process target process

PID 1348 set thread context of 1208 1348 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

1648 1348 WerFault.exe 0475ed517da8a71bc4a87f14a44cf8fe.exe

description	pid	process	target process
PID 1348 set thread context of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe

pid	pid_target	process	target process
1648	1348	WerFault.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

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

pid	process
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1208	0475ed517da8a71bc4a87f14a44cf8fe.exe
1208	0475ed517da8a71bc4a87f14a44cf8fe.exe
1208	0475ed517da8a71bc4a87f14a44cf8fe.exe
848	powershell.exe
1112	powershell.exe
748	powershell.exe
1208	0475ed517da8a71bc4a87f14a44cf8fe.exe
1208	0475ed517da8a71bc4a87f14a44cf8fe.exe
1208	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exeWerFault.exe

pid process

1208 0475ed517da8a71bc4a87f14a44cf8fe.exe
1648 WerFault.exe

pid	process
1208	0475ed517da8a71bc4a87f14a44cf8fe.exe
1648	WerFault.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe
Token: SeDebugPrivilege	1648	WerFault.exe
Token: SeDebugPrivilege	1208	0475ed517da8a71bc4a87f14a44cf8fe.exe
Token: SeDebugPrivilege	848	powershell.exe
Token: SeDebugPrivilege	748	powershell.exe
Token: SeDebugPrivilege	1112	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description	pid	process	target process
PID 1348 wrote to memory of 848	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 848	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 848	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 848	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 1112	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 1112	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 1112	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 1112	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 748	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 748	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 748	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 748	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 1348 wrote to memory of 992	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 992	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 992	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 992	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1208	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 1348 wrote to memory of 1648	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	WerFault.exe
PID 1348 wrote to memory of 1648	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	WerFault.exe
PID 1348 wrote to memory of 1648	1348	0475ed517da8a71bc4a87f14a44cf8fe.exe	WerFault.exe
PID 1348 wrote to memory of 1648	1348	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:1348

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:848

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:1112

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:748

C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe
"C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe"
2⤵
PID:992

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:1208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 1792
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1648

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
87a9bf20c9b4b1cd6a1ab2bf21f983e3

SHA1
932bec71cdbe82c3af2ed9d29c1410be66249c50

SHA256
7be3ddc5a7c66189c616d34a754af33e9c04404c1df72b4c36ee3755a1482bcb

SHA512
11b618df2508bfc68656469f6a9f08d9fb4f46ff5d1bbfdea59b25e247c9452d6686020452193d9729fdf9d5aa5c0fa16965afaf164122b6c706eab45f0cfd00

Download Submit
memory/748-88-0x00000000021A2000-0x00000000021A4000-memory.dmp

Filesize
8KB

Download
memory/748-63-0x0000000000000000-mapping.dmp

Download
memory/748-80-0x00000000021A1000-0x00000000021A2000-memory.dmp

Filesize
4KB

Download
memory/748-78-0x00000000021A0000-0x00000000021A1000-memory.dmp

Filesize
4KB

Download
memory/848-82-0x0000000002450000-0x000000000309A000-memory.dmp

Filesize
12.3MB

Download
memory/848-60-0x0000000000000000-mapping.dmp

Download
memory/848-79-0x0000000002450000-0x000000000309A000-memory.dmp

Filesize
12.3MB

Download
memory/1112-87-0x0000000002552000-0x0000000002554000-memory.dmp

Filesize
8KB

Download
memory/1112-61-0x0000000000000000-mapping.dmp

Download
memory/1112-81-0x0000000002551000-0x0000000002552000-memory.dmp

Filesize
4KB

Download
memory/1112-77-0x0000000002550000-0x0000000002551000-memory.dmp

Filesize
4KB

Download
memory/1208-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-94-0x00000000022D0000-0x00000000022D7000-memory.dmp

Filesize
28KB

Download
memory/1208-71-0x000000000041E792-mapping.dmp

Download
memory/1208-100-0x00000000048C0000-0x00000000048CF000-memory.dmp

Filesize
60KB

Download
memory/1208-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-76-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/1208-99-0x0000000004A40000-0x0000000004A69000-memory.dmp

Filesize
164KB

Download
memory/1208-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1208-98-0x0000000004490000-0x000000000449A000-memory.dmp

Filesize
40KB

Download
memory/1208-83-0x00000000007C0000-0x00000000007C5000-memory.dmp

Filesize
20KB

Download
memory/1208-84-0x00000000007D0000-0x00000000007E9000-memory.dmp

Filesize
100KB

Download
memory/1208-85-0x00000000007F0000-0x00000000007F3000-memory.dmp

Filesize
12KB

Download
memory/1208-97-0x0000000004480000-0x000000000448F000-memory.dmp

Filesize
60KB

Download
memory/1208-96-0x0000000004470000-0x0000000004472000-memory.dmp

Filesize
8KB

Download
memory/1208-95-0x0000000002320000-0x000000000232D000-memory.dmp

Filesize
52KB

Download
memory/1208-89-0x0000000001F90000-0x0000000001F9D000-memory.dmp

Filesize
52KB

Download
memory/1208-90-0x0000000002130000-0x0000000002145000-memory.dmp

Filesize
84KB

Download
memory/1208-91-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1208-92-0x0000000002270000-0x000000000227C000-memory.dmp

Filesize
48KB

Download
memory/1208-93-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/1208-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1348-57-0x0000000075D31000-0x0000000075D33000-memory.dmp

Filesize
8KB

Download
memory/1348-58-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download
memory/1348-59-0x0000000000550000-0x00000000005DF000-memory.dmp

Filesize
572KB

Download
memory/1348-55-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/1648-86-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/1648-75-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads