nanocore | f475dda218513a22edc7ec2e734fb91ddf60dc7b38b87e7de487de6fe9307e47

General

Target

0475ed517da8a71bc4a87f14a44cf8fe.exe
Size

12KB
MD5

0475ed517da8a71bc4a87f14a44cf8fe
SHA1

311e146bcc1a342ab135240e0c8e31730f8ad879
SHA256

f475dda218513a22edc7ec2e734fb91ddf60dc7b38b87e7de487de6fe9307e47
SHA512

9087831b5e355f48d38df716982125865aefde794ad8c1ecdd68606a4a338182eff4a2b7bcf7dc29098178b9fd485a599eae2a011f01257536c3b0b0f9ac5f58

Score

10^/10

nanocore evasion keylogger 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

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 15 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

pid	process
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description pid process target process

PID 3728 set thread context of 396 3728 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

928 3728 WerFault.exe 0475ed517da8a71bc4a87f14a44cf8fe.exe

description	pid	process	target process
PID 3728 set thread context of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe

pid	pid_target	process	target process
928	3728	WerFault.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

Processes:

powershell.exe0475ed517da8a71bc4a87f14a44cf8fe.exepowershell.exepowershell.exe0475ed517da8a71bc4a87f14a44cf8fe.exeWerFault.exe

pid	process
1136	powershell.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
68	powershell.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
1524	powershell.exe
68	powershell.exe
1524	powershell.exe
1136	powershell.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
68	powershell.exe
1524	powershell.exe
1136	powershell.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
928	WerFault.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe
396	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

pid process

396 0475ed517da8a71bc4a87f14a44cf8fe.exe

pid	process
396	0475ed517da8a71bc4a87f14a44cf8fe.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeDebugPrivilege	1524	powershell.exe
Token: SeDebugPrivilege	68	powershell.exe
Token: SeRestorePrivilege	928	WerFault.exe
Token: SeBackupPrivilege	928	WerFault.exe
Token: SeDebugPrivilege	396	0475ed517da8a71bc4a87f14a44cf8fe.exe
Token: SeDebugPrivilege	928	WerFault.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

0475ed517da8a71bc4a87f14a44cf8fe.exe

description	pid	process	target process
PID 3728 wrote to memory of 1136	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 1136	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 1136	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 1524	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 1524	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 1524	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 68	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 68	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 68	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	powershell.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe
PID 3728 wrote to memory of 396	3728	0475ed517da8a71bc4a87f14a44cf8fe.exe	0475ed517da8a71bc4a87f14a44cf8fe.exe

C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe
"C:\Users\Admin\AppData\Local\Temp\0475ed517da8a71bc4a87f14a44cf8fe.exe"
1⤵
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3728

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:1136

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:1524

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:68

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:396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 2176
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Disabling Security Tools

2

T1089

Modify Registry

2

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
MD5
db01a2c1c7e70b2b038edf8ad5ad9826

SHA1
540217c647a73bad8d8a79e3a0f3998b5abd199b

SHA256
413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d

SHA512
c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
7107d519fbc68e9d1017ba2ca52ba7b6

SHA1
6c4c1f41055ea40105364b5850ac1463fecabfc1

SHA256
62048315d6807a02a8c0ca437c7e1ac6cd15b1d3ba3ce95c64b7db98fe478297

SHA512
907049cad2ffeae2900e9b5ebf6f3f7e9155d24ea87cd4a9184faa38bdc20f5bfc706f710404d939e54d89118f0499e39761e5e880fc580b984701e0a7f79021

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
bdca0ab0865dc63f66f579be0cf44d68

SHA1
3148b0bd3ea9ffe99d0722ecb4f66f9949389cfe

SHA256
b6159b51ac063ad39b3b9005b2e47c57afc28ad176e65ae606887a691ef4a795

SHA512
671d6f717680e82c39de7cea1d12cf8818f3edddbc6dffc0fe34f3a300d1bd043be448e5fc6416d65733abbe91b1cf04fd91e8de2efdbfcc7aa83a2772db7621

Download Submit
memory/68-158-0x00000000066D2000-0x00000000066D3000-memory.dmp

Filesize
4KB

Download
memory/68-157-0x00000000066D0000-0x00000000066D1000-memory.dmp

Filesize
4KB

Download
memory/68-218-0x000000007F4C0000-0x000000007F4C1000-memory.dmp

Filesize
4KB

Download
memory/68-179-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/68-135-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/68-142-0x0000000006C80000-0x0000000006C81000-memory.dmp

Filesize
4KB

Download
memory/68-260-0x00000000066D3000-0x00000000066D4000-memory.dmp

Filesize
4KB

Download
memory/68-126-0x0000000000000000-mapping.dmp

Download
memory/68-131-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/396-172-0x0000000005740000-0x0000000005C3E000-memory.dmp

Filesize
5.0MB

Download
memory/396-173-0x0000000005700000-0x0000000005705000-memory.dmp

Filesize
20KB

Download
memory/396-174-0x0000000005710000-0x0000000005729000-memory.dmp

Filesize
100KB

Download
memory/396-175-0x00000000057D0000-0x00000000057D3000-memory.dmp

Filesize
12KB

Download
memory/396-141-0x000000000041E792-mapping.dmp

Download
memory/396-140-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1136-128-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

Filesize
4KB

Download
memory/1136-160-0x0000000007D30000-0x0000000007D31000-memory.dmp

Filesize
4KB

Download
memory/1136-258-0x0000000006DE3000-0x0000000006DE4000-memory.dmp

Filesize
4KB

Download
memory/1136-132-0x0000000006D80000-0x0000000006D81000-memory.dmp

Filesize
4KB

Download
memory/1136-223-0x000000007F3A0000-0x000000007F3A1000-memory.dmp

Filesize
4KB

Download
memory/1136-144-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

Filesize
4KB

Download
memory/1136-181-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

Filesize
4KB

Download
memory/1136-153-0x0000000006DE2000-0x0000000006DE3000-memory.dmp

Filesize
4KB

Download
memory/1136-124-0x0000000000000000-mapping.dmp

Download
memory/1136-127-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

Filesize
4KB

Download
memory/1136-168-0x00000000085C0000-0x00000000085C1000-memory.dmp

Filesize
4KB

Download
memory/1524-148-0x0000000007050000-0x0000000007051000-memory.dmp

Filesize
4KB

Download
memory/1524-183-0x0000000004A30000-0x0000000004A31000-memory.dmp

Filesize
4KB

Download
memory/1524-163-0x00000000080B0000-0x00000000080B1000-memory.dmp

Filesize
4KB

Download
memory/1524-166-0x0000000007E90000-0x0000000007E91000-memory.dmp

Filesize
4KB

Download
memory/1524-257-0x0000000007053000-0x0000000007054000-memory.dmp

Filesize
4KB

Download
memory/1524-129-0x0000000004A30000-0x0000000004A31000-memory.dmp

Filesize
4KB

Download
memory/1524-125-0x0000000000000000-mapping.dmp

Download
memory/1524-136-0x0000000007690000-0x0000000007691000-memory.dmp

Filesize
4KB

Download
memory/1524-130-0x0000000004A30000-0x0000000004A31000-memory.dmp

Filesize
4KB

Download
memory/1524-213-0x000000007EFF0000-0x000000007EFF1000-memory.dmp

Filesize
4KB

Download
memory/1524-149-0x0000000007E20000-0x0000000007E21000-memory.dmp

Filesize
4KB

Download
memory/1524-155-0x0000000007052000-0x0000000007053000-memory.dmp

Filesize
4KB

Download
memory/3728-122-0x00000000079B0000-0x00000000079B1000-memory.dmp

Filesize
4KB

Download
memory/3728-121-0x0000000003150000-0x00000000031DF000-memory.dmp

Filesize
572KB

Download
memory/3728-123-0x0000000008E70000-0x0000000008E71000-memory.dmp

Filesize
4KB

Download
memory/3728-115-0x0000000000F20000-0x0000000000F21000-memory.dmp

Filesize
4KB

Download
memory/3728-134-0x0000000008FE0000-0x0000000008FE1000-memory.dmp

Filesize
4KB

Download
memory/3728-120-0x00000000056B0000-0x0000000005BAE000-memory.dmp

Filesize
5.0MB

Download
memory/3728-119-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/3728-118-0x0000000005790000-0x0000000005791000-memory.dmp

Filesize
4KB

Download
memory/3728-117-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads