nanocore | f97f190257f3ab5e8abeaf78c63519fbc0dc12db576da6a978783af2eac77829

General

Target
test_protected.exe
Size 1.3MB
Sample230217-t454lagd43
SHA256 f97f190257f3ab5e8abeaf78c63519fbc0dc12db576da6a978783af2eac77829
MD5 a7e49cf2ca8753e88c6e13aa595b28f3
SHA1 4b114df5511a9027d22d847c1ac667a1fc1d2a9d
SHA512 1cffb86b3f0bdd3d5605da81d10c7ddb72b94fd440665101baf167f82f22cdb3bf542dd8d50995595f74fc14848366639689ebfd4984df6b98a9b5dd2ce204fe
SSDEEP 24576:QjbCP2oU4lf1MwCp2UMQvWq0jOJCG6ix9TWFJGUzP5:QnC0A1M9ptTdJCGpvTWE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

winter-rd.at.ply.gg:26394

Mutex

02b715c8-20af-49fb-88c8-4d7b706c4cac

Attributes

activate_away_mode
true
backup_connection_host
winter-rd.at.ply.gg
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-11-29T18:14:39.841794436Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
26394
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
02b715c8-20af-49fb-88c8-4d7b706c4cac
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
winter-rd.at.ply.gg
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	test_protected.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs

pid	Process
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AGP Monitor\agpmon.exe	test_protected.exe
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.exe	test_protected.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4344	schtasks.exe
1172	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe
800	test_protected.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
800	test_protected.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	800	test_protected.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
800	test_protected.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 4344	800	test_protected.exe	80
PID 800 wrote to memory of 4344	800	test_protected.exe	80
PID 800 wrote to memory of 4344	800	test_protected.exe	80
PID 800 wrote to memory of 1172	800	test_protected.exe	82
PID 800 wrote to memory of 1172	800	test_protected.exe	82
PID 800 wrote to memory of 1172	800	test_protected.exe	82

C:\Users\Admin\AppData\Local\Temp\test_protected.exe
"C:\Users\Admin\AppData\Local\Temp\test_protected.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6873.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4344
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6A68.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1172

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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tmp6873.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp6873.tmp
Size 1KB
SHA256 f9e5b08f016c44dcce96d65ec8bdc11752e8e7b6da91fe5249285e44e55983de
MD5 847e0243fafe82eaac3aa2b521196e05
SHA1 753ffe01ac2da6b6b1a81bb7a887a49708c0d6af
SHA512 a8ff5b2d124b469726ef4db26a1e76cd8e3b0fd2579822f02032fb43bb3caf7f10dace89da1861c038c395d9f35bfab9726ca59c6549deeb68020e6d439a6a68
MD5 SHA1 SHA512

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tmp6A68.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp6A68.tmp
Size 1KB
SHA256 49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e
MD5 157cd55403665c49c9fd3ca1196c4397
SHA1 4feed6e606b41bb617274471349582963182756b
SHA512 bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8
MD5 SHA1 SHA512

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memory/800-132-0x0000000000400000-0x00000000007B8000-memory.dmp

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memory/800-133-0x0000000000400000-0x0000000000402000-memory.dmp

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memory/800-134-0x00000000744C0000-0x0000000074A71000-memory.dmp

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memory/800-139-0x0000000000400000-0x00000000007B8000-memory.dmp

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memory/800-140-0x00000000744C0000-0x0000000074A71000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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