nanocore | fe910e56eb88b734e4464a006324b15804237b40c2f7ad843bd9f419c65d5df9

General

Target

BL No.KTOHRYGN2202 (SURRENDERED BL).exe
Size

674KB
MD5

69b22379d46d4c2a2dc362e4007bea3d
SHA1

d37900a359f9b48802aea91405e3d5294e9a872f
SHA256

fe910e56eb88b734e4464a006324b15804237b40c2f7ad843bd9f419c65d5df9
SHA512

7db2405fd5ac092939cf1ecbd4782a854d702e26757e22ce1095d7fbee349cb01726d927b852ce84b373337dedac32c5b9d35a9f64d19ffc719de9847c98ed83
SSDEEP

12288:27oCLq8V6og3rMfxPjnMp1cdap17rGPZVnoles0EeVljP5ruP5z0aIXWX6H:27DLq8Vk0ZMpyczr0ZSAEENuP5ogO

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

godisgood1.hopto.org:7712

185.225.73.164:7712

Mutex

bcd7727e-ef56-4958-8ed9-949f5c5ea8f6

Attributes

activate_away_mode
true
backup_connection_host
185.225.73.164
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-05-24T09:37:49.129028236Z
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
7712
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
bcd7727e-ef56-4958-8ed9-949f5c5ea8f6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
godisgood1.hopto.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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:

BL No.KTOHRYGN2202 (SURRENDERED BL).exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	BL No.KTOHRYGN2202 (SURRENDERED BL).exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

BL No.KTOHRYGN2202 (SURRENDERED BL).exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	BL No.KTOHRYGN2202 (SURRENDERED BL).exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

BL No.KTOHRYGN2202 (SURRENDERED BL).exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	BL No.KTOHRYGN2202 (SURRENDERED BL).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BL No.KTOHRYGN2202 (SURRENDERED BL).exe

description	pid	process	target process
PID 1588 set thread context of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe

Drops file in Program Files directory 2 IoCs

Processes:

BL No.KTOHRYGN2202 (SURRENDERED BL).exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	BL No.KTOHRYGN2202 (SURRENDERED BL).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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1016 schtasks.exe
1332 schtasks.exe
3888 schtasks.exe

pid	process
1016	schtasks.exe
1332	schtasks.exe
3888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exeBL No.KTOHRYGN2202 (SURRENDERED BL).exe

pid	process
2664	powershell.exe
2664	powershell.exe
4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

BL No.KTOHRYGN2202 (SURRENDERED BL).exe

pid process

4852 BL No.KTOHRYGN2202 (SURRENDERED BL).exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeBL No.KTOHRYGN2202 (SURRENDERED BL).exe

description pid process

Token: SeDebugPrivilege 2664 powershell.exe
Token: SeDebugPrivilege 4852 BL No.KTOHRYGN2202 (SURRENDERED BL).exe

pid	process
4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe

description	pid	process
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

BL No.KTOHRYGN2202 (SURRENDERED BL).exeBL No.KTOHRYGN2202 (SURRENDERED BL).exe

description	pid	process	target process
PID 1588 wrote to memory of 2664	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	powershell.exe
PID 1588 wrote to memory of 2664	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	powershell.exe
PID 1588 wrote to memory of 2664	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	powershell.exe
PID 1588 wrote to memory of 1016	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 1588 wrote to memory of 1016	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 1588 wrote to memory of 1016	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 1588 wrote to memory of 4852	1588	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	BL No.KTOHRYGN2202 (SURRENDERED BL).exe
PID 4852 wrote to memory of 1332	4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 4852 wrote to memory of 1332	4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 4852 wrote to memory of 1332	4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 4852 wrote to memory of 3888	4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 4852 wrote to memory of 3888	4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe
PID 4852 wrote to memory of 3888	4852	BL No.KTOHRYGN2202 (SURRENDERED BL).exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\BL No.KTOHRYGN2202 (SURRENDERED BL).exe
"C:\Users\Admin\AppData\Local\Temp\BL No.KTOHRYGN2202 (SURRENDERED BL).exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qLCTUoBHeGs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qLCTUoBHeGs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E5A.tmp"
2⤵
- Creates scheduled task(s)
PID:1016

C:\Users\Admin\AppData\Local\Temp\BL No.KTOHRYGN2202 (SURRENDERED BL).exe
"C:\Users\Admin\AppData\Local\Temp\BL No.KTOHRYGN2202 (SURRENDERED BL).exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4852

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp734B.tmp"
3⤵
- Creates scheduled task(s)
PID:1332

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp73BA.tmp"
3⤵
- Creates scheduled task(s)
PID:3888

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\tmp6E5A.tmp
Filesize
1KB

MD5
07ed8c10d3bb88cd112c289dd44de3ee

SHA1
9ae7e4cd6338cfe52bee781de4be60edd6225795

SHA256
74ee48ef0e8c1fde67542d2368beace0ea60853ae60c86f4f149c77d16bd9d54

SHA512
6878a8909854b9541475f095abe9685c15ca70480611b4e8a0c5df36b18fcf601a02347263cdfa9281748688c3adfc8baef5a74785675ea64627768e54712c4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp734B.tmp
Filesize
1KB

MD5
fb9a885116c4a98b541ce16a95960dc5

SHA1
ccfc56e6fa5950c958d95f0323e4e484d72b013a

SHA256
bf14c137b166e3a53be44a9a046294bc1c07e885e01bbb26d1744ad38680ebde

SHA512
fa7c6720571aad9979b0a69cc41cc805ea52a65f37c10ba756bafe5a37961973d90c55a3d1a39f179637f5ebca5467950d9b7befd53cdcb81416a8e64ef56f78

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp73BA.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/1016-141-0x0000000000000000-mapping.dmp

Download
memory/1332-150-0x0000000000000000-mapping.dmp

Download
memory/1588-135-0x00000000008E0000-0x000000000098E000-memory.dmp

Filesize
696KB

Download
memory/1588-136-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/1588-137-0x0000000005370000-0x0000000005402000-memory.dmp

Filesize
584KB

Download
memory/1588-138-0x0000000005320000-0x000000000532A000-memory.dmp

Filesize
40KB

Download
memory/1588-139-0x0000000008E60000-0x0000000008EFC000-memory.dmp

Filesize
624KB

Download
memory/2664-149-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/2664-158-0x0000000007C40000-0x00000000082BA000-memory.dmp

Filesize
6.5MB

Download
memory/2664-147-0x0000000005B70000-0x0000000005B92000-memory.dmp

Filesize
136KB

Download
memory/2664-148-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/2664-146-0x0000000005540000-0x0000000005B68000-memory.dmp

Filesize
6.2MB

Download
memory/2664-164-0x0000000007920000-0x0000000007928000-memory.dmp

Filesize
32KB

Download
memory/2664-143-0x00000000029D0000-0x0000000002A06000-memory.dmp

Filesize
216KB

Download
memory/2664-163-0x0000000007940000-0x000000000795A000-memory.dmp

Filesize
104KB

Download
memory/2664-153-0x00000000062F0000-0x000000000630E000-memory.dmp

Filesize
120KB

Download
memory/2664-140-0x0000000000000000-mapping.dmp

Download
memory/2664-155-0x00000000068C0000-0x00000000068F2000-memory.dmp

Filesize
200KB

Download
memory/2664-156-0x0000000071110000-0x000000007115C000-memory.dmp

Filesize
304KB

Download
memory/2664-157-0x00000000068A0000-0x00000000068BE000-memory.dmp

Filesize
120KB

Download
memory/2664-162-0x0000000007830000-0x000000000783E000-memory.dmp

Filesize
56KB

Download
memory/2664-159-0x00000000075F0000-0x000000000760A000-memory.dmp

Filesize
104KB

Download
memory/2664-160-0x0000000007680000-0x000000000768A000-memory.dmp

Filesize
40KB

Download
memory/2664-161-0x0000000007880000-0x0000000007916000-memory.dmp

Filesize
600KB

Download
memory/3888-152-0x0000000000000000-mapping.dmp

Download
memory/4852-144-0x0000000000000000-mapping.dmp

Download
memory/4852-145-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads