nanocore | 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f

General

Target

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
Size

371KB
MD5

43f114afa21ad1fe53f9ac97c6644f75
SHA1

58c392562f5a7365d137f81eaedc32df0ef0b9b0
SHA256

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f
SHA512

cd7226e9d6a4daa3a8e5bcd2c2ee2cf923bd93655e8f647b8be0e8f23901ca45c108d85fe885dbd49e4a5afcb87572f03370780e1579bc2be7157a5f0b6d1103
SSDEEP

6144:JRNWwLVJr58/VPYcAQKBCSa2b0PDsUFA6NN7Kia02yqb:JR0e58tdQCSRbqsU+Y5

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

tooblaq1.ddns.net:2233

tooblaq2.ddns.net:2233

Mutex

722a6540-3583-410e-8546-79fbfc239905

Attributes

activate_away_mode
false
backup_connection_host
tooblaq2.ddns.net
backup_dns_server
buffer_size
65535
build_time
2014-09-30T12:55:59.665724036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2233
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
722a6540-3583-410e-8546-79fbfc239905
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tooblaq1.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.1.1
wan_timeout
8000

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\update\\OkSqzFaSBrfj.exe\",explorer.exe"	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

description	pid	process	target process
PID 548 set thread context of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

pid	process
548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
1780	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
1780	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

pid process

1780 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

pid	process
1780	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

description	pid	process
Token: SeDebugPrivilege	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
Token: SeDebugPrivilege	1780	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

description	pid	process	target process
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
PID 548 wrote to memory of 1780	548	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe	50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe

C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
"C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
"C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe" winupdater
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1780

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

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/548-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/548-55-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/548-56-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1780-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1780-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1780-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1780-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1780-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1780-64-0x000000000041EDAE-mapping.dmp

Download
memory/1780-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1780-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1780-70-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/1780-71-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads