nanocore | 3d0df194232db838734552fb3dcad7b175c8f19963a766768d6fa158c50521f3

General

Target

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
Size

438KB
MD5

f704711808d29d9002400b0279deeaf7
SHA1

0bf65433af532985688197cae9aef3f34a36275f
SHA256

3d0df194232db838734552fb3dcad7b175c8f19963a766768d6fa158c50521f3
SHA512

2ce7dc3d477d7c9189648c8b3bdd041effcac720534b24c7431916cd8222e90b4eed6019cda300d2ec82325a73c9130a68da106ade58e8e7d833eb37dd89d4b6

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.48:4488

127.0.0.1:4488

Mutex

98f3ff2f-84e9-4cfc-993a-6e30f274e5d4

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-16T00:24:49.664742236Z
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
4488
default_group
AED
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
98f3ff2f-84e9-4cfc-993a-6e30f274e5d4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.97.48
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

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Host = "C:\\Program Files (x86)\\WPA Host\\wpahost.exe"	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

description	pid	process	target process
PID 1676 set thread context of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

Drops file in Program Files directory 2 IoCs

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Host\wpahost.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
File opened for modification	C:\Program Files (x86)\WPA Host\wpahost.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

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

1488 schtasks.exe
760 schtasks.exe
1324 schtasks.exe

pid	process
1488	schtasks.exe
760	schtasks.exe
1324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exePurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

pid	process
1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

pid process

1548 PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

pid	process
1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exePurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

description	pid	process
Token: SeDebugPrivilege	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
Token: SeDebugPrivilege	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

pid process

1676 PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
1676 PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exePurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe

description	pid	process	target process
PID 1676 wrote to memory of 1488	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1676 wrote to memory of 1488	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1676 wrote to memory of 1488	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1676 wrote to memory of 1488	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1676 wrote to memory of 1548	1676	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
PID 1548 wrote to memory of 760	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1548 wrote to memory of 760	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1548 wrote to memory of 760	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1548 wrote to memory of 760	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1548 wrote to memory of 1324	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1548 wrote to memory of 1324	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1548 wrote to memory of 1324	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe
PID 1548 wrote to memory of 1324	1548	PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
"C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTxkFEIOFYPJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5015.tmp"
2⤵
- Creates scheduled task(s)
PID:1488

C:\Users\Admin\AppData\Local\Temp\PurchaseOrder#PO7211A20_RFQs_Samples_Pacific_Keystone_co.exe
"{path}"
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:1548

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp53BB.tmp"
3⤵
- Creates scheduled task(s)
PID:760

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5458.tmp"
3⤵
- Creates scheduled task(s)
PID:1324

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5015.tmp
MD5
cf98d70c6f2133782a16ef98444570ca

SHA1
e07bc3aaf97836e654ec7ce2ba4f68341ead6136

SHA256
eda3df005bb145f539208ec42b3cf18a37353e41bef70b9fa28ddfe2d15dd28f

SHA512
731dda857f1ec2be12e95d4b88a29198e2f9b229e6884d60c906e6aa0e70befd51651a34369dab5035906a02be092f21def9ae5fd3aaf4638d6294567cf6ccb7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp53BB.tmp
MD5
7504208b9c8da7afbbbe416e9934d29f

SHA1
1ee2a1d596764ed9c1f181f84aeeb7976d3553f1

SHA256
d76b68871ac5e93e7a0203278887f5b7f9241845165ca88509ab58f062508442

SHA512
1dc4d0d8d164be9b5933748a01dcfcd69369933573627f292b62494fb13eb3af6ff34626a570e6ebe4a049db5d3f49df85079c30ede5118e6cc4d87a394c9dad

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5458.tmp
MD5
819bdbdac3be050783d203020e6c4c30

SHA1
a373521fceb21cac8b93e55ee48578e40a6e740b

SHA256
0e5dedca6d0d3c50ebcedb5bbf51ef3d434eb6b43da46764205de7636131f053

SHA512
cece1c4d8b4db79fc6e3cd225efaccdf9d2493f28991b1d48439944af38aaa61a215bd00a0beedcbdecc4f1ec5be0843774375a483f3d4a573a3980c54798cbd

Download Submit
memory/760-39-0x0000000000000000-mapping.dmp

Download
memory/1324-41-0x0000000000000000-mapping.dmp

Download
memory/1488-33-0x0000000000000000-mapping.dmp

Download
memory/1548-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1548-36-0x000000000041E792-mapping.dmp

Download
memory/1548-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1548-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1844-27-0x000007FEF78A0000-0x000007FEF7B1A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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