nanocore | db433304c3e22d8222cfe510e8548515c9dccfc9f080f94efc67aa11f44a6b3f

General

Target

Invoice# 77-83992-8297382 (2).exe
Size

830KB
MD5

4c67eb7b3f4ea88e5e5487ade487de3f
SHA1

d118ae4beef890783251d53f3f7fe5e6c9a65a10
SHA256

db433304c3e22d8222cfe510e8548515c9dccfc9f080f94efc67aa11f44a6b3f
SHA512

37609ea4261fe4dadf403a05014db11defae9a65cef8c5639a56166a379b1151ee48100f6726d8160aefad9c49ea6a5430e17526b87a41dc2366e6c23ce4759c

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1.ispnano.dns-cloud.net:10004

Mutex

e1e01d8e-d2ec-4c98-af39-dda666441e66

Attributes

activate_away_mode
true
backup_connection_host
1.ispnano.dns-cloud.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-25T01:53:08.501630436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
10004
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
e1e01d8e-d2ec-4c98-af39-dda666441e66
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
1.ispnano.dns-cloud.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:

Invoice# 77-83992-8297382 (2).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"	Invoice# 77-83992-8297382 (2).exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Invoice# 77-83992-8297382 (2).exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Invoice# 77-83992-8297382 (2).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

description pid process target process

PID 748 set thread context of 1760 748 Invoice# 77-83992-8297382 (2).exe Invoice# 77-83992-8297382 (2).exe

description	pid	process	target process
PID 748 set thread context of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe

Drops file in Program Files directory 2 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Host\wpahost.exe	Invoice# 77-83992-8297382 (2).exe
File opened for modification	C:\Program Files (x86)\WPA Host\wpahost.exe	Invoice# 77-83992-8297382 (2).exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exeInvoice# 77-83992-8297382 (2).exe

pid	process
748	Invoice# 77-83992-8297382 (2).exe
748	Invoice# 77-83992-8297382 (2).exe
1760	Invoice# 77-83992-8297382 (2).exe
1760	Invoice# 77-83992-8297382 (2).exe
1760	Invoice# 77-83992-8297382 (2).exe
1760	Invoice# 77-83992-8297382 (2).exe
1760	Invoice# 77-83992-8297382 (2).exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

pid process

1760 Invoice# 77-83992-8297382 (2).exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exeInvoice# 77-83992-8297382 (2).exe

description pid process

Token: SeDebugPrivilege 748 Invoice# 77-83992-8297382 (2).exe
Token: SeDebugPrivilege 1760 Invoice# 77-83992-8297382 (2).exe

pid	process
1760	Invoice# 77-83992-8297382 (2).exe

description	pid	process
Token: SeDebugPrivilege	748	Invoice# 77-83992-8297382 (2).exe
Token: SeDebugPrivilege	1760	Invoice# 77-83992-8297382 (2).exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Invoice# 77-83992-8297382 (2).exe

description	pid	process	target process
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe
PID 748 wrote to memory of 1760	748	Invoice# 77-83992-8297382 (2).exe	Invoice# 77-83992-8297382 (2).exe

C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).exe
"C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748

C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).exe
"C:\Users\Admin\AppData\Local\Temp\Invoice# 77-83992-8297382 (2).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
PID:1760

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/748-2-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/748-3-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/748-5-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/748-6-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/748-7-0x0000000000510000-0x000000000051B000-memory.dmp

Filesize
44KB

Download
memory/748-8-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/1760-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1760-10-0x000000000041E792-mapping.dmp

Download
memory/1760-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1760-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1760-13-0x0000000073410000-0x0000000073AFE000-memory.dmp

Filesize
6.9MB

Download
memory/1760-16-0x00000000004F0000-0x00000000004F5000-memory.dmp

Filesize
20KB

Download
memory/1760-17-0x0000000000580000-0x0000000000599000-memory.dmp

Filesize
100KB

Download
memory/1760-18-0x00000000005A0000-0x00000000005A3000-memory.dmp

Filesize
12KB

Download
memory/1760-19-0x0000000000770000-0x000000000077D000-memory.dmp

Filesize
52KB

Download
memory/1760-20-0x0000000000780000-0x000000000078F000-memory.dmp

Filesize
60KB

Download
memory/1760-21-0x0000000000790000-0x000000000079A000-memory.dmp

Filesize
40KB

Download
memory/1760-22-0x0000000000A50000-0x0000000000A79000-memory.dmp

Filesize
164KB

Download
memory/1760-23-0x0000000000A80000-0x0000000000A8F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads