nanocore | adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45

General

Target

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
Size

500KB
MD5

6ea0e648cf5d9bf34ef9a232880e9ff3
SHA1

5577935a13f9eb444a9140b2a92c269ca1b6fed6
SHA256

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45
SHA512

3d415071cb446c40763502c08284049975858c60366716ab201853b6933eac5df4b0b4500ec9524165e726f1b3bdfb7468400467e05672d30bb7ecf03b68582d

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

191.101.42.138:935

Mutex

463f4d20-0bba-417c-bc4b-491798da35b7

Attributes

activate_away_mode
false
backup_connection_host
191.101.42.138
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-09-26T17:36:13.593325936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
935
default_group
skeet
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
463f4d20-0bba-417c-bc4b-491798da35b7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
191.101.42.138
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 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exeadcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\windows_updates = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows_updates.exe\""	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\mscorelib = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe\""	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsvc.exe"	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

description	pid	process	target process
PID 1964 set thread context of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

Drops file in Program Files directory 2 IoCs

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\DSL Service\dslsvc.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
File created	C:\Program Files (x86)\DSL Service\dslsvc.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

pid	process
1944	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
1944	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

pid process

1944 adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exeadcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

description	pid	process
Token: SeDebugPrivilege	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
Token: SeDebugPrivilege	1944	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

description	pid	process	target process
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
PID 1964 wrote to memory of 1944	1964	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe	adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe

C:\Users\Admin\AppData\Local\Temp\adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
"C:\Users\Admin\AppData\Local\Temp\adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Local\Temp\adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.exe
C:\Users\Admin\AppData\Local\Temp\adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45.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:1944

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

Loading Replay Monitor...

Downloads

memory/1944-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-62-0x000000000041E792-mapping.dmp

Download
memory/1944-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1944-69-0x0000000074B50000-0x00000000750FB000-memory.dmp

Filesize
5.7MB

Download
memory/1964-54-0x0000000075401000-0x0000000075403000-memory.dmp

Filesize
8KB

Download
memory/1964-68-0x0000000074B50000-0x00000000750FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads