nanocore | 93dc450725fdc803bb3d1e0cfdb20f796278364ecaac9c3b1a3df0c1ea7ba463

General

Target

RQF-PONqwnU793jFKhCYJxls.scr.exe
Size

865KB
MD5

59452c1b615b1203869974cab888a34a
SHA1

10764daeca838d1d48b7a4b65e4d6ef3f886b82e
SHA256

93dc450725fdc803bb3d1e0cfdb20f796278364ecaac9c3b1a3df0c1ea7ba463
SHA512

ac5b8431585564db925bb920a520c7fff23069f7660b417903e890c3ec0f38d4f83db3bd1168d8cfd2994f7a256ec722c029c2ce3bc5b0cd5e2d907fc8fbbd3b
SSDEEP

12288:6awU+FWeNS+Cvulaw8yQwDYhXllljVlsLpem5e5b/CuCnm:bmSP+a1lljV0BeVCzm

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

power22.myftp.org:3546

Mutex

55861d8e-ed1a-4742-a20e-20f81af81b14

Attributes

activate_away_mode
true
backup_connection_host
power22.myftp.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-16T01:02:04.786212036Z
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
3546
default_group
Good$$
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
55861d8e-ed1a-4742-a20e-20f81af81b14
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
power22.myftp.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:

RQF-PONqwnU793jFKhCYJxls.scr.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	RQF-PONqwnU793jFKhCYJxls.scr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Monitor = "C:\\Program Files (x86)\\AGP Monitor\\agpmon.exe"	RQF-PONqwnU793jFKhCYJxls.scr.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RQF-PONqwnU793jFKhCYJxls.scr.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exe

description pid process target process

PID 2180 set thread context of 4716 2180 RQF-PONqwnU793jFKhCYJxls.scr.exe RQF-PONqwnU793jFKhCYJxls.scr.exe

description	pid	process	target process
PID 2180 set thread context of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe

Drops file in Program Files directory 2 IoCs

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
File created	C:\Program Files (x86)\AGP Monitor\agpmon.exe	RQF-PONqwnU793jFKhCYJxls.scr.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

3932 schtasks.exe
3988 schtasks.exe
4072 schtasks.exe

pid	process
3932	schtasks.exe
3988	schtasks.exe
4072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exepowershell.exeRQF-PONqwnU793jFKhCYJxls.scr.exe

pid	process
2180	RQF-PONqwnU793jFKhCYJxls.scr.exe
2180	RQF-PONqwnU793jFKhCYJxls.scr.exe
3172	powershell.exe
3172	powershell.exe
4716	RQF-PONqwnU793jFKhCYJxls.scr.exe
4716	RQF-PONqwnU793jFKhCYJxls.scr.exe
4716	RQF-PONqwnU793jFKhCYJxls.scr.exe
4716	RQF-PONqwnU793jFKhCYJxls.scr.exe
4716	RQF-PONqwnU793jFKhCYJxls.scr.exe
4716	RQF-PONqwnU793jFKhCYJxls.scr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exe

pid process

4716 RQF-PONqwnU793jFKhCYJxls.scr.exe

pid	process
4716	RQF-PONqwnU793jFKhCYJxls.scr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exepowershell.exeRQF-PONqwnU793jFKhCYJxls.scr.exe

description	pid	process
Token: SeDebugPrivilege	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe
Token: SeDebugPrivilege	3172	powershell.exe
Token: SeDebugPrivilege	4716	RQF-PONqwnU793jFKhCYJxls.scr.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

RQF-PONqwnU793jFKhCYJxls.scr.exeRQF-PONqwnU793jFKhCYJxls.scr.exe

description	pid	process	target process
PID 2180 wrote to memory of 3172	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	powershell.exe
PID 2180 wrote to memory of 3172	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	powershell.exe
PID 2180 wrote to memory of 3172	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	powershell.exe
PID 2180 wrote to memory of 3932	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 2180 wrote to memory of 3932	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 2180 wrote to memory of 3932	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 2180 wrote to memory of 4716	2180	RQF-PONqwnU793jFKhCYJxls.scr.exe	RQF-PONqwnU793jFKhCYJxls.scr.exe
PID 4716 wrote to memory of 3988	4716	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 4716 wrote to memory of 3988	4716	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 4716 wrote to memory of 3988	4716	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 4716 wrote to memory of 4072	4716	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 4716 wrote to memory of 4072	4716	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe
PID 4716 wrote to memory of 4072	4716	RQF-PONqwnU793jFKhCYJxls.scr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\RQF-PONqwnU793jFKhCYJxls.scr.exe
"C:\Users\Admin\AppData\Local\Temp\RQF-PONqwnU793jFKhCYJxls.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NCPSEJKzgAQLm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3172

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NCPSEJKzgAQLm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25A8.tmp"
2⤵
- Creates scheduled task(s)
PID:3932

C:\Users\Admin\AppData\Local\Temp\RQF-PONqwnU793jFKhCYJxls.scr.exe
"C:\Users\Admin\AppData\Local\Temp\RQF-PONqwnU793jFKhCYJxls.scr.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:4716

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2962.tmp"
3⤵
- Creates scheduled task(s)
PID:3988

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2A6C.tmp"
3⤵
- Creates scheduled task(s)
PID:4072

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\Microsoft\CLR_v4.0_32\UsageLogs\RQF-PONqwnU793jFKhCYJxls.scr.exe.log
Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp25A8.tmp
Filesize
1KB

MD5
47fd047d8700f65a49e460402f5ea717

SHA1
c19debd5db3c748e5ed97eba935ab0c362a855cc

SHA256
28725a3455c33b8d48652323b6e1a5d6bc5d499a219923046d938d173c972718

SHA512
c4c2ab27ec4da3f0f44c3bdc5a099ac5e0afc75c2a46fec685f66a1af703848d6c0616e0a8a00d2a244c9cc2755d52a2435531cdb389bfdcfddfd47831dd9272

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2962.tmp
Filesize
1KB

MD5
b23374d8eaf170770e788a55bda37a6e

SHA1
a19288f840e73faa6047813e4a26816370506330

SHA256
0c537054bdc093f10800d03bc51db1543f7f669c9a69d52cc4638de06b0172a4

SHA512
bf96df8f19be47b239698bbf1271bd695ea86e6e019561d17030d1dc6dff43e1fa9ba82e07781b460c0a8b4f47daff82393ae8c87118c9095b1dbec70312602e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2A6C.tmp
Filesize
1KB

MD5
157cd55403665c49c9fd3ca1196c4397

SHA1
4feed6e606b41bb617274471349582963182756b

SHA256
49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e

SHA512
bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8

Download Submit
memory/2180-133-0x00000000061D0000-0x0000000006774000-memory.dmp

Filesize
5.6MB

Download
memory/2180-134-0x0000000005930000-0x00000000059C2000-memory.dmp

Filesize
584KB

Download
memory/2180-135-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/2180-136-0x000000000C5E0000-0x000000000C67C000-memory.dmp

Filesize
624KB

Download
memory/2180-137-0x000000000C880000-0x000000000C8E6000-memory.dmp

Filesize
408KB

Download
memory/2180-132-0x0000000000E80000-0x0000000000F5E000-memory.dmp

Filesize
888KB

Download
memory/3172-153-0x0000000006F50000-0x0000000006F82000-memory.dmp

Filesize
200KB

Download
memory/3172-158-0x0000000007D00000-0x0000000007D0A000-memory.dmp

Filesize
40KB

Download
memory/3172-143-0x0000000005AF0000-0x0000000006118000-memory.dmp

Filesize
6.2MB

Download
memory/3172-162-0x0000000007FB0000-0x0000000007FB8000-memory.dmp

Filesize
32KB

Download
memory/3172-146-0x00000000058C0000-0x00000000058E2000-memory.dmp

Filesize
136KB

Download
memory/3172-147-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/3172-161-0x0000000007FD0000-0x0000000007FEA000-memory.dmp

Filesize
104KB

Download
memory/3172-149-0x0000000006980000-0x000000000699E000-memory.dmp

Filesize
120KB

Download
memory/3172-140-0x00000000053C0000-0x00000000053F6000-memory.dmp

Filesize
216KB

Download
memory/3172-160-0x0000000007EC0000-0x0000000007ECE000-memory.dmp

Filesize
56KB

Download
memory/3172-159-0x0000000007F10000-0x0000000007FA6000-memory.dmp

Filesize
600KB

Download
memory/3172-138-0x0000000000000000-mapping.dmp

Download
memory/3172-154-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

Filesize
304KB

Download
memory/3172-155-0x0000000006F90000-0x0000000006FAE000-memory.dmp

Filesize
120KB

Download
memory/3172-156-0x00000000082E0000-0x000000000895A000-memory.dmp

Filesize
6.5MB

Download
memory/3172-157-0x0000000007C90000-0x0000000007CAA000-memory.dmp

Filesize
104KB

Download
memory/3932-139-0x0000000000000000-mapping.dmp

Download
memory/3988-148-0x0000000000000000-mapping.dmp

Download
memory/4072-151-0x0000000000000000-mapping.dmp

Download
memory/4716-144-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4716-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads