nanocore | c40967ded56321a744c0e32a8e18216a906e38d35262693a21e95a9683a47441

General

Target

PO#7645.exe
Size

698KB
MD5

8ad3acc5de878eaab476ed18990abe73
SHA1

7bddab10e162528d243fa30007aa23a6bca38ab3
SHA256

c40967ded56321a744c0e32a8e18216a906e38d35262693a21e95a9683a47441
SHA512

84da612da777783805483efbfb2a399aa59f7dc8f02d49afc3c868351fad7813c014b0be0f8562730d941170982f6ecc023ccdf71d816174f4edaa09a57b3924

Score

10^/10

keylogger trojan stealer spyware nanocore persistence evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

goat22.ddns.net:1989

Mutex

5099c142-1d8a-467f-ad35-2e87b0d67948

Attributes

activate_away_mode
true
backup_connection_host
goat22.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-10T22:46:16.534504236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1989
default_group
DONT LEAVE ME
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
5099c142-1d8a-467f-ad35-2e87b0d67948
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
goat22.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

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO#7645.exe

description pid process

Token: SeDebugPrivilege 276 PO#7645.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

PO#7645.exe

pid process

276 PO#7645.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

PO#7645.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PO#7645.exe

description	pid	process
Token: SeDebugPrivilege	276	PO#7645.exe

pid	process
276	PO#7645.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PO#7645.exe

Suspicious behavior: EnumeratesProcesses 1374 IoCs

Processes:

PO#7645.exePO#7645.exePO#7645.exe

pid	process
1448	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
276	PO#7645.exe
276	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe
680	PO#7645.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

PO#7645.exe

pid process

1448 PO#7645.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
behavioral1/memory/276-2-0x0000000000400000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/276-4-0x0000000000400000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/276-6-0x0000000000400000-0x000000000047F000-memory.dmp	upx

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Drops file in Program Files directory 2 IoCs

Processes:

PO#7645.exe

description	ioc	process
File created	C:\Program Files (x86)\WAN Subsystem\wanss.exe	PO#7645.exe
File opened for modification	C:\Program Files (x86)\WAN Subsystem\wanss.exe	PO#7645.exe

Adds Run entry to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO#7645.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.exe"	PO#7645.exe

Drops startup file 1 IoCs

Processes:

notepad.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CHECK.vbs notepad.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CHECK.vbs	notepad.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PO#7645.exe

description	pid	process	target process
PID 1448 wrote to memory of 1560	1448	PO#7645.exe	notepad.exe
PID 1448 wrote to memory of 1560	1448	PO#7645.exe	notepad.exe
PID 1448 wrote to memory of 1560	1448	PO#7645.exe	notepad.exe
PID 1448 wrote to memory of 1560	1448	PO#7645.exe	notepad.exe
PID 1448 wrote to memory of 1560	1448	PO#7645.exe	notepad.exe
PID 1448 wrote to memory of 1560	1448	PO#7645.exe	notepad.exe
PID 1448 wrote to memory of 276	1448	PO#7645.exe	PO#7645.exe
PID 1448 wrote to memory of 276	1448	PO#7645.exe	PO#7645.exe
PID 1448 wrote to memory of 276	1448	PO#7645.exe	PO#7645.exe
PID 1448 wrote to memory of 276	1448	PO#7645.exe	PO#7645.exe
PID 1448 wrote to memory of 680	1448	PO#7645.exe	PO#7645.exe
PID 1448 wrote to memory of 680	1448	PO#7645.exe	PO#7645.exe
PID 1448 wrote to memory of 680	1448	PO#7645.exe	PO#7645.exe
PID 1448 wrote to memory of 680	1448	PO#7645.exe	PO#7645.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#7645.exe

description pid process target process

PID 1448 set thread context of 276 1448 PO#7645.exe PO#7645.exe

description	pid	process	target process
PID 1448 set thread context of 276	1448	PO#7645.exe	PO#7645.exe

C:\Users\Admin\AppData\Local\Temp\PO#7645.exe
"C:\Users\Admin\AppData\Local\Temp\PO#7645.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1448

C:\Windows\SysWOW64\notepad.exe
"C:\Windows\system32\notepad.exe"
2⤵
- Drops startup file
PID:1560

C:\Users\Admin\AppData\Local\Temp\PO#7645.exe
"C:\Users\Admin\AppData\Local\Temp\PO#7645.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: GetForegroundWindowSpam
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Drops file in Program Files directory
- Adds Run entry to start application
PID:276

C:\Users\Admin\AppData\Local\Temp\PO#7645.exe
"C:\Users\Admin\AppData\Local\Temp\PO#7645.exe" 2 276 67922
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

memory/276-2-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/276-3-0x000000000047D490-mapping.dmp

Download
memory/276-4-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/276-6-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/276-7-0x0000000000350000-0x0000000000388000-memory.dmp

Filesize
224KB

Download
memory/276-8-0x0000000001F22000-0x0000000001F23000-memory.dmp

Filesize
4KB

Download
memory/276-9-0x0000000000220000-0x0000000000253000-memory.dmp

Filesize
204KB

Download
memory/680-5-0x0000000000000000-mapping.dmp

Download
memory/1560-0-0x0000000000000000-mapping.dmp

Download
memory/1560-1-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads