nanocore | e4174e1702d046eb696fb13f9d7be26c7b519179ac94212ce61de97ed586cf10

General

Target

PROOF OF PAYMENT.exe
Size

487KB
MD5

bb18d890356392ddf87214800ce5d539
SHA1

15a69ba1025557f3e9efc1c898e44dea1dff5130
SHA256

e4174e1702d046eb696fb13f9d7be26c7b519179ac94212ce61de97ed586cf10
SHA512

ff335bdeb24c67e9cf4f277c48c43108471322ef8b81f35b46544726f4bde68649fdf8621aa655658b8b281a16b01c421ed3ea82b604b4f1f0a4adde84c20b29

Score

10^/10

keylogger trojan stealer spyware nanocore persistence evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

nansedd.duckdns.org:2133

Mutex

8a218e14-a254-4eb4-9877-54145473a0a1

Attributes

activate_away_mode
true
backup_connection_host
nansedd.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-17T09:36:09.474374836Z
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
BACK ON
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
8a218e14-a254-4eb4-9877-54145473a0a1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
nansedd.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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PROOF OF PAYMENT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	PROOF OF PAYMENT.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1508	PROOF OF PAYMENT.exe
1508	PROOF OF PAYMENT.exe
1508	PROOF OF PAYMENT.exe
1508	PROOF OF PAYMENT.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1508	PROOF OF PAYMENT.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Subsystem\wanss.exe	PROOF OF PAYMENT.exe
File opened for modification	C:\Program Files (x86)\WAN Subsystem\wanss.exe	PROOF OF PAYMENT.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24
PID 1612 wrote to memory of 1508	1612	PROOF OF PAYMENT.exe	24

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 1508	1612	PROOF OF PAYMENT.exe	24

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

Adds Run entry 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 Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.exe"	PROOF OF PAYMENT.exe

C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1612
- C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
  "{path}"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Drops file in Program Files directory
  - Adds Run entry to start application
  PID:1508

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1508-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1508-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1508-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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