nanocore | 9f55706283a4dc416a8b10d99d5bbea1a8df5ee67d6bb0caf35e8d942678d84d

General

Target

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
Size

1001KB
MD5

0824bc52c4133691364453dd4d2143ba
SHA1

0e5119f96e2071c64e97f0ad689c89ae5caae2dd
SHA256

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8
SHA512

02268cc1f1d596bc87196a85c45bbe355d8b7c2336c06beed9bcfa60b920e05a32797937d6d089d5b8db4d5c25c3625bcfcce19addc680678095679ad3f0db91
SSDEEP

24576:51bgzPGhgzfYdwMYedHwioX47BaeSavf7QetqZ:5ZyPyywdwMYeSiqqocAZ

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

atelilian99.ddns.net:8282

127.0.0.1:8282

Mutex

9fd663d5-0621-4e90-b695-1bb0b18ad354

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2022-11-16T09:14:15.335338636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8282
default_group
Multi
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
9fd663d5-0621-4e90-b695-1bb0b18ad354
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
atelilian99.ddns.net
primary_dns_server
37.235.1.174
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:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

Unexpected DNS network traffic destination 6 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.177
Destination IP	37.235.1.177
Destination IP	37.235.1.174
Destination IP	37.235.1.174

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NAT Service = "C:\\Program Files (x86)\\NAT Service\\natsvc.exe"	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

description	pid	process	target process
PID 2032 set thread context of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

Drops file in Program Files directory 2 IoCs

Processes:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

description	ioc	process
File created	C:\Program Files (x86)\NAT Service\natsvc.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
File opened for modification	C:\Program Files (x86)\NAT Service\natsvc.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3360 schtasks.exe

pid	process
3360	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exepowershell.exepowershell.exe94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

pid	process
2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
3304	powershell.exe
1352	powershell.exe
3304	powershell.exe
5004	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
5004	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
5004	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
1352	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

pid process

5004 94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

pid	process
5004	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exe94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exepowershell.exe94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

description	pid	process
Token: SeDebugPrivilege	3304	powershell.exe
Token: SeDebugPrivilege	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
Token: SeDebugPrivilege	1352	powershell.exe
Token: SeDebugPrivilege	5004	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
"C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032

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\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1352

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nQvRCv.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nQvRCv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F97.tmp"
2⤵
- Creates scheduled task(s)
PID:3360

C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
"C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe"
2⤵
PID:1596

C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
"C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe"
2⤵
PID:5060

C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
"C:\Users\Admin\AppData\Local\Temp\94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.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
PID:5004

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
734e7ff9a531c9e42a63a2678d142796

SHA1
c3695251beb906ddf33b4efab57da9dc68c0cec5

SHA256
2c8b9d835ac45bd2e97f73d57876ccb298bf0cea15372a9138182516bf324e0b

SHA512
de557ad2e9eec2cf0f0ab7b480f8066c0b495c9036e536d83ddce52d6660018ec3555af4f602a6c6ff2212f8b22ea34ba58f7bb77b176dd07d345da7689925dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fkhyu1cv.5wd.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4F97.tmp
Filesize
1KB

MD5
537ee3b0fb8d5e44fc071dc558439e91

SHA1
62e886d95c57e45cf347bbad9fe554c9d26b6238

SHA256
02ec3c0a937b8be8d31c0a4fcd10db2aa104d102f58b47cdc92aca37b01f420f

SHA512
c573564f33953baea3cb6f323834f484f1ac93a388a6071b330c7e438e840bb1f1d80b96a77e1a0cbca3cefcbaf116e02c53078d336edc3ed2933f32b0f81188

Download Submit
memory/1352-206-0x0000000007440000-0x00000000074D6000-memory.dmp

Filesize
600KB

Download
memory/1352-180-0x000000006FF70000-0x000000006FFBC000-memory.dmp

Filesize
304KB

Download
memory/1352-178-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/1352-144-0x00000000048F0000-0x0000000004926000-memory.dmp

Filesize
216KB

Download
memory/1352-145-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/1352-191-0x0000000006480000-0x000000000649E000-memory.dmp

Filesize
120KB

Download
memory/1352-201-0x0000000007800000-0x0000000007E7A000-memory.dmp

Filesize
6.5MB

Download
memory/1352-204-0x000000007FDA0000-0x000000007FDB0000-memory.dmp

Filesize
64KB

Download
memory/1352-149-0x00000000050D0000-0x00000000056F8000-memory.dmp

Filesize
6.2MB

Download
memory/1352-207-0x00000000073F0000-0x00000000073FE000-memory.dmp

Filesize
56KB

Download
memory/1352-152-0x0000000004FE0000-0x0000000005002000-memory.dmp

Filesize
136KB

Download
memory/2032-137-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/2032-135-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/2032-134-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/2032-133-0x0000000000E60000-0x0000000000F60000-memory.dmp

Filesize
1024KB

Download
memory/2032-136-0x0000000005980000-0x000000000598A000-memory.dmp

Filesize
40KB

Download
memory/2032-138-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/2032-139-0x0000000008930000-0x00000000089CC000-memory.dmp

Filesize
624KB

Download
memory/3304-202-0x0000000007860000-0x000000000787A000-memory.dmp

Filesize
104KB

Download
memory/3304-154-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/3304-179-0x0000000006B30000-0x0000000006B62000-memory.dmp

Filesize
200KB

Download
memory/3304-177-0x0000000002C10000-0x0000000002C20000-memory.dmp

Filesize
64KB

Download
memory/3304-176-0x0000000006560000-0x000000000657E000-memory.dmp

Filesize
120KB

Download
memory/3304-146-0x0000000002C10000-0x0000000002C20000-memory.dmp

Filesize
64KB

Download
memory/3304-203-0x000000007F900000-0x000000007F910000-memory.dmp

Filesize
64KB

Download
memory/3304-182-0x000000006FF70000-0x000000006FFBC000-memory.dmp

Filesize
304KB

Download
memory/3304-205-0x00000000078D0000-0x00000000078DA000-memory.dmp

Filesize
40KB

Download
memory/3304-153-0x0000000005C90000-0x0000000005CF6000-memory.dmp

Filesize
408KB

Download
memory/3304-147-0x0000000002C10000-0x0000000002C20000-memory.dmp

Filesize
64KB

Download
memory/3304-208-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

Filesize
104KB

Download
memory/3304-209-0x0000000007B80000-0x0000000007B88000-memory.dmp

Filesize
32KB

Download
memory/5004-150-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5004-175-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/5004-215-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download

description	pid	process	target process
PID 2032 wrote to memory of 1352	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	powershell.exe
PID 2032 wrote to memory of 1352	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	powershell.exe
PID 2032 wrote to memory of 1352	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	powershell.exe
PID 2032 wrote to memory of 3304	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	powershell.exe
PID 2032 wrote to memory of 3304	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	powershell.exe
PID 2032 wrote to memory of 3304	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	powershell.exe
PID 2032 wrote to memory of 3360	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	schtasks.exe
PID 2032 wrote to memory of 3360	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	schtasks.exe
PID 2032 wrote to memory of 3360	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	schtasks.exe
PID 2032 wrote to memory of 1596	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 1596	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 1596	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5060	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5060	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5060	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe
PID 2032 wrote to memory of 5004	2032	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe	94b9fd8d1d160e47e7a963d8d65d29486f023a0fe21180d16480342f0b53b5a8.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads