nanocore | c70637a7eb05b36175b101211cda02663eeefff3ea85b0742c5be6f7badd0a75

General

Target

Inquiry.pdf.exe
Size

389KB
MD5

7f80e72b233c0d439b6db2c0760229db
SHA1

cec1e79e229a99d42b79d2792a93e406a14b24c4
SHA256

c70637a7eb05b36175b101211cda02663eeefff3ea85b0742c5be6f7badd0a75
SHA512

f04969848715edf308035f3b5d8a44f0fc6910b00611b55d2ab1fd21d08c965eb3467e23db09c3626120f5bf8760f40f9a305aa973e6ed132e41f8a4edef24a4

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

wazzy.ddns.net:1716

194.5.99.24:1716

Mutex

27a57dfb-aa6e-473f-ba42-9e8836c11d23

Attributes

activate_away_mode
true
backup_connection_host
194.5.99.24
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-14T03:38:48.239646836Z
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
1716
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
27a57dfb-aa6e-473f-ba42-9e8836c11d23
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
wazzy.ddns.net
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:

Inquiry.pdf.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"	Inquiry.pdf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Inquiry.pdf.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Inquiry.pdf.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Inquiry.pdf.exe

description pid process target process

PID 1912 set thread context of 1504 1912 Inquiry.pdf.exe Inquiry.pdf.exe

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

description	pid	process	target process
PID 1912 set thread context of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe

Drops file in Program Files directory 2 IoCs

Processes:

Inquiry.pdf.exe

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

Processes:

schtasks.exeschtasks.exe

pid process

1528 schtasks.exe
1764 schtasks.exe

pid	process
1528	schtasks.exe
1764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 74 IoCs

Processes:

Inquiry.pdf.exeInquiry.pdf.exe

pid	process
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1504	Inquiry.pdf.exe
1504	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe
1912	Inquiry.pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Inquiry.pdf.exe

pid process

1504 Inquiry.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Inquiry.pdf.exeInquiry.pdf.exe

description pid process

Token: SeDebugPrivilege 1912 Inquiry.pdf.exe
Token: SeDebugPrivilege 1504 Inquiry.pdf.exe

pid	process
1504	Inquiry.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1912	Inquiry.pdf.exe
Token: SeDebugPrivilege	1504	Inquiry.pdf.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Inquiry.pdf.exeInquiry.pdf.exe

description	pid	process	target process
PID 1912 wrote to memory of 1256	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1256	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1256	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1256	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1912 wrote to memory of 1504	1912	Inquiry.pdf.exe	Inquiry.pdf.exe
PID 1504 wrote to memory of 1528	1504	Inquiry.pdf.exe	schtasks.exe
PID 1504 wrote to memory of 1528	1504	Inquiry.pdf.exe	schtasks.exe
PID 1504 wrote to memory of 1528	1504	Inquiry.pdf.exe	schtasks.exe
PID 1504 wrote to memory of 1528	1504	Inquiry.pdf.exe	schtasks.exe
PID 1504 wrote to memory of 1764	1504	Inquiry.pdf.exe	schtasks.exe
PID 1504 wrote to memory of 1764	1504	Inquiry.pdf.exe	schtasks.exe
PID 1504 wrote to memory of 1764	1504	Inquiry.pdf.exe	schtasks.exe
PID 1504 wrote to memory of 1764	1504	Inquiry.pdf.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Inquiry.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Users\Admin\AppData\Local\Temp\Inquiry.pdf.exe
"{path}"
2⤵
PID:1256

C:\Users\Admin\AppData\Local\Temp\Inquiry.pdf.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:1504

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1F15.tmp"
3⤵
- Creates scheduled task(s)
PID:1528

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp205D.tmp"
3⤵
- Creates scheduled task(s)
PID:1764

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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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1F15.tmp

MD5
27df6922a4b9f861cc668e5cf2ff165d

SHA1
a5c2d4d43c01d6a2a1ed740a6799609b45d7ec55

SHA256
c519e5217943cd38a8f8015287ed203b10d72c6792431292a4580503b558c9fe

SHA512
d833b32a2f3ac6e762463984c4a749a2009b403c14456feae975f17642347a6247ca1718cc9d973fa7af784f877310128533ec57c40539525fcf60fa6645f1d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp205D.tmp

MD5
819bdbdac3be050783d203020e6c4c30

SHA1
a373521fceb21cac8b93e55ee48578e40a6e740b

SHA256
0e5dedca6d0d3c50ebcedb5bbf51ef3d434eb6b43da46764205de7636131f053

SHA512
cece1c4d8b4db79fc6e3cd225efaccdf9d2493f28991b1d48439944af38aaa61a215bd00a0beedcbdecc4f1ec5be0843774375a483f3d4a573a3980c54798cbd

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memory/1504-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1504-1-0x000000000041E792-mapping.dmp

Download
memory/1504-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1504-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1528-4-0x0000000000000000-mapping.dmp

Download
memory/1764-6-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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