nanocore | aa63d6213c1ed958f41ca815fb03dabaeef6b204adae62aa22ab9786675bc053

General

Target
PROOF OF PAYMENT.exe
Size 1.2MB
Sample201109-bbqsn9vs2a
SHA256 aa63d6213c1ed958f41ca815fb03dabaeef6b204adae62aa22ab9786675bc053
MD5 37dda51829477b706cabd6d02b1ec824
SHA1 110e86e9b9ab2b2538c6dd56e4c75f45453bd352
SHA512 c824be6682cba5d99052fa4d900c83cc778b2806f04b3f65a318d63f353cec8811b4d324a558113824970a40fb9d7285f14c46a3dd8dc479e4c5d69a1a831507
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

edubros.duckdns.org:2133

Mutex

c3c5f776-16e6-465c-8577-f1411e74991c

Attributes

activate_away_mode
true
backup_connection_host
edubros.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-22T07:57:20.548239136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2133
default_group
FREEDOM
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
c3c5f776-16e6-465c-8577-f1411e74991c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
edubros.duckdns.org
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

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DTUHandler.url	PROOF OF PAYMENT.exe

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\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansv.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 916 set thread context of 4052	916	PROOF OF PAYMENT.exe	75

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Service\wansv.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansv.exe	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
4052	MSBuild.exe
4052	MSBuild.exe
4052	MSBuild.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4052	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4052	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe
916	PROOF OF PAYMENT.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 4052	916	PROOF OF PAYMENT.exe	75
PID 916 wrote to memory of 4052	916	PROOF OF PAYMENT.exe	75
PID 916 wrote to memory of 4052	916	PROOF OF PAYMENT.exe	75
PID 916 wrote to memory of 4052	916	PROOF OF PAYMENT.exe	75
PID 916 wrote to memory of 4052	916	PROOF OF PAYMENT.exe	75

C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:916
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4052-0-0x0000000000400000-0x0000000000438000-memory.dmp

Download

Analysis

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