nanocore | fded70e0d7bee0d44fdb8cd327a09f1a879d61cc35a57a4d2cba7d7d232eed18

General

Target

Model list set 20 USD4 8 HPID 90CUI 874.exe
Size

782KB
MD5

583524e79bf439fe42fc992fea5d75f9
SHA1

433e13004fc64ef09412e0ac57cc42492eb9b327
SHA256

fded70e0d7bee0d44fdb8cd327a09f1a879d61cc35a57a4d2cba7d7d232eed18
SHA512

b7b1e704c7ffd7993fc937d63d0c49bc3a359ce963dc15cfb29276b282fad8ddd3035acbd9ebf3211a01beb87c1c89d717716ce8876b9e51040b0f0f1186e262

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.53:7171

Mutex

7492bd48-e55d-4165-b6f8-ba286e7dc450

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.53
backup_dns_server
buffer_size
65535
build_time
2022-05-17T09:15:51.131379036Z
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
7171
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
7492bd48-e55d-4165-b6f8-ba286e7dc450
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.53
primary_dns_server
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Model list set 20 USD4 8 HPID 90CUI 874.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisv.exe"	Model list set 20 USD4 8 HPID 90CUI 874.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Model list set 20 USD4 8 HPID 90CUI 874.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Model list set 20 USD4 8 HPID 90CUI 874.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Model list set 20 USD4 8 HPID 90CUI 874.exe

description	pid	process	target process
PID 1276 set thread context of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe

Drops file in Program Files directory 2 IoCs

Processes:

Model list set 20 USD4 8 HPID 90CUI 874.exe

description	ioc	process
File created	C:\Program Files (x86)\PCI Service\pcisv.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisv.exe	Model list set 20 USD4 8 HPID 90CUI 874.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

1612 schtasks.exe
1048 schtasks.exe
1232 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeModel list set 20 USD4 8 HPID 90CUI 874.exe

pid process

1616 powershell.exe
1660 Model list set 20 USD4 8 HPID 90CUI 874.exe
1660 Model list set 20 USD4 8 HPID 90CUI 874.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Model list set 20 USD4 8 HPID 90CUI 874.exe

pid process

1660 Model list set 20 USD4 8 HPID 90CUI 874.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeModel list set 20 USD4 8 HPID 90CUI 874.exe

description pid process

Token: SeDebugPrivilege 1616 powershell.exe
Token: SeDebugPrivilege 1660 Model list set 20 USD4 8 HPID 90CUI 874.exe

pid	process
1612	schtasks.exe
1048	schtasks.exe
1232	schtasks.exe

pid	process
1616	powershell.exe
1660	Model list set 20 USD4 8 HPID 90CUI 874.exe
1660	Model list set 20 USD4 8 HPID 90CUI 874.exe

pid	process
1660	Model list set 20 USD4 8 HPID 90CUI 874.exe

description	pid	process
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

Model list set 20 USD4 8 HPID 90CUI 874.exeModel list set 20 USD4 8 HPID 90CUI 874.exe

description	pid	process	target process
PID 1276 wrote to memory of 1616	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	powershell.exe
PID 1276 wrote to memory of 1616	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	powershell.exe
PID 1276 wrote to memory of 1616	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	powershell.exe
PID 1276 wrote to memory of 1616	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	powershell.exe
PID 1276 wrote to memory of 1612	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1276 wrote to memory of 1612	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1276 wrote to memory of 1612	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1276 wrote to memory of 1612	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1276 wrote to memory of 1660	1276	Model list set 20 USD4 8 HPID 90CUI 874.exe	Model list set 20 USD4 8 HPID 90CUI 874.exe
PID 1660 wrote to memory of 1048	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1660 wrote to memory of 1048	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1660 wrote to memory of 1048	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1660 wrote to memory of 1048	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1660 wrote to memory of 1232	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1660 wrote to memory of 1232	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1660 wrote to memory of 1232	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe
PID 1660 wrote to memory of 1232	1660	Model list set 20 USD4 8 HPID 90CUI 874.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Model list set 20 USD4 8 HPID 90CUI 874.exe
"C:\Users\Admin\AppData\Local\Temp\Model list set 20 USD4 8 HPID 90CUI 874.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nFxIoujoILCO.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nFxIoujoILCO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD19.tmp"
2⤵
- Creates scheduled task(s)
PID:1612

C:\Users\Admin\AppData\Local\Temp\Model list set 20 USD4 8 HPID 90CUI 874.exe
"C:\Users\Admin\AppData\Local\Temp\Model list set 20 USD4 8 HPID 90CUI 874.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:1660

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC11E.tmp"
3⤵
- Creates scheduled task(s)
PID:1048

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC286.tmp"
3⤵
- Creates scheduled task(s)
PID:1232

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBD19.tmp
Filesize
1KB

MD5
c014d7e51cddf9cef4df9b871ecf2020

SHA1
4c6c50b7b445b978fa2058d891d30cdce363439e

SHA256
0c5e4a1d9e7d9ee17b23ba6798beeec214bd2da94779d1088e5453af4c23bd7a

SHA512
fd842877fe9258fd3d34452833d9e0d96cb783f3a7e6aa8ac7c4ceacf028496dc95879175ece8842ba1711b69f9177ba5685fc277162af8eb58d78546fa981a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC11E.tmp
Filesize
1KB

MD5
e36c868e6e1a9839ab343ed227dffdf5

SHA1
2a48105ace24da23a77eb0e9455c44511bd82496

SHA256
bbea0f5b120a452e82db8dd7e5d70a319f4fb8601a878becccac2ee6cd57e546

SHA512
a55b1b04f47c731d27e4259b92ac56856f36466314a7f685bd7719a4ef775dc173c4d96e6341cdb372addcb1b596ae79e74ffee3288df8df9131b8508bd65ba5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC286.tmp
Filesize
1KB

MD5
bbb0d424bb7cb3b0e6aeb68cf82b8f5f

SHA1
7e95dcd21a27ee53e5c23ed5a163df56a43d572a

SHA256
08d6bee474edf0151a0d8ff942ba9e6a1efe069585c63477abd1c7bd8046e130

SHA512
0dc790a415f9717f6e7633c1d5f2749a2eca5582c5bbe114119c3ddba6d4e4d0df48029622e2fe07f94d8ae97c334b88691b7721da50ada261449769ae31d466

Download Submit
memory/1048-77-0x0000000000000000-mapping.dmp

Download
memory/1232-80-0x0000000000000000-mapping.dmp

Download
memory/1276-55-0x00000000765D1000-0x00000000765D3000-memory.dmp

Filesize
8KB

Download
memory/1276-56-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/1276-57-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/1276-58-0x000000000A300000-0x000000000A388000-memory.dmp

Filesize
544KB

Download
memory/1276-54-0x0000000000E60000-0x0000000000F2A000-memory.dmp

Filesize
808KB

Download
memory/1276-63-0x0000000002670000-0x00000000026AC000-memory.dmp

Filesize
240KB

Download
memory/1612-61-0x0000000000000000-mapping.dmp

Download
memory/1616-79-0x000000006C9D0000-0x000000006CF7B000-memory.dmp

Filesize
5.7MB

Download
memory/1616-85-0x000000006C9D0000-0x000000006CF7B000-memory.dmp

Filesize
5.7MB

Download
memory/1616-59-0x0000000000000000-mapping.dmp

Download
memory/1660-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1660-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1660-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1660-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1660-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1660-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1660-71-0x000000000041E792-mapping.dmp

Download
memory/1660-82-0x0000000000650000-0x000000000065A000-memory.dmp

Filesize
40KB

Download
memory/1660-83-0x0000000000690000-0x00000000006AE000-memory.dmp

Filesize
120KB

Download
memory/1660-84-0x0000000000670000-0x000000000067A000-memory.dmp

Filesize
40KB

Download
memory/1660-70-0x0000000000400000-0x0000000000438000-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