nanocore | 62801897ae3411a8f144f2f7290ad2133ad0895f4f1550922dca9c6f4b9e8114

General

Target

1.exe
Size

644KB
MD5

5688c69c4379841eee42dcaec2dbf55a
SHA1

09a30ec730d1fdf77e80f6d31aa4d810e36b1c44
SHA256

62801897ae3411a8f144f2f7290ad2133ad0895f4f1550922dca9c6f4b9e8114
SHA512

1cee75d6ffdc9a1e9e903672c83a7e042e9a6a34d42b156bd11a6ed215a82fe336e86158892a6ee129239f52f22ccfe19062d8668c6b9be5027775bd19424174

Score

10^/10

nanocore agilenet evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.154:5540

wealthybillionaire.ddns.net:5540

Mutex

18773cd6-e296-4327-b004-0088e2e894f7

Attributes

activate_away_mode
true
backup_connection_host
wealthybillionaire.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-03-13T04:52:16.581466736Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5540
default_group
WEALTH
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
18773cd6-e296-4327-b004-0088e2e894f7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.154
primary_dns_server
8.8.8.8
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
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

3744 RegAsm.exe

pid	process
3744	RegAsm.exe

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/652-122-0x00000000064A0000-0x00000000064C1000-memory.dmp	agile_net
behavioral2/memory/652-125-0x0000000004C40000-0x0000000004CD2000-memory.dmp	agile_net

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

1.exe

description pid process target process

PID 652 set thread context of 3744 652 1.exe RegAsm.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3592 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

1.exeRegAsm.exe

pid process

652 1.exe
652 1.exe
3744 RegAsm.exe
3744 RegAsm.exe
3744 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

3744 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 652 1.exe
Token: SeDebugPrivilege 3744 RegAsm.exe

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

description	pid	process	target process
PID 652 set thread context of 3744	652	1.exe	RegAsm.exe

pid	process
3592	schtasks.exe

pid	process
652	1.exe
652	1.exe
3744	RegAsm.exe
3744	RegAsm.exe
3744	RegAsm.exe

pid	process
3744	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	652	1.exe
Token: SeDebugPrivilege	3744	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1.exeRegAsm.exe

description	pid	process	target process
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 652 wrote to memory of 3744	652	1.exe	RegAsm.exe
PID 3744 wrote to memory of 3592	3744	RegAsm.exe	schtasks.exe
PID 3744 wrote to memory of 3592	3744	RegAsm.exe	schtasks.exe
PID 3744 wrote to memory of 3592	3744	RegAsm.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
2⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UPNP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA127.tmp"
3⤵
- Creates scheduled task(s)
PID:3592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA127.tmp
MD5
4cd7da0133ff64f40216341d95fe30bb

SHA1
88146cfd7754b988f50e929d876f33dc9916758f

SHA256
37cce77e24a3c3d5ab28c16f726ef6a62c553acd972e256927f69064c4e1cfde

SHA512
fa5b84f207fd9f20b2eace6cda9124e9d718fc80dc0a5fab31507f372d15ba69e1098a26e2e7036ba559ca52a99cfd804ca99ba68bda0a60386a33197722df8f

Download Submit
memory/652-126-0x0000000006DE0000-0x0000000006DEB000-memory.dmp

Filesize
44KB

Download
memory/652-120-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download
memory/652-122-0x00000000064A0000-0x00000000064C1000-memory.dmp

Filesize
132KB

Download
memory/652-123-0x00000000065C0000-0x00000000065C1000-memory.dmp

Filesize
4KB

Download
memory/652-124-0x0000000006470000-0x0000000006471000-memory.dmp

Filesize
4KB

Download
memory/652-125-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download
memory/652-114-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/652-127-0x0000000009400000-0x0000000009401000-memory.dmp

Filesize
4KB

Download
memory/652-119-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/652-118-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/652-117-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/652-116-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/3592-139-0x0000000000000000-mapping.dmp

Download
memory/3744-129-0x000000000041E792-mapping.dmp

Download
memory/3744-138-0x0000000004C80000-0x0000000004C81000-memory.dmp

Filesize
4KB

Download
memory/3744-137-0x0000000004B40000-0x000000000503E000-memory.dmp

Filesize
5.0MB

Download
memory/3744-132-0x0000000000730000-0x0000000000768000-memory.dmp

Filesize
224KB

Download
memory/3744-141-0x0000000004D10000-0x0000000004D15000-memory.dmp

Filesize
20KB

Download
memory/3744-142-0x0000000004E80000-0x0000000004E99000-memory.dmp

Filesize
100KB

Download
memory/3744-143-0x0000000005D70000-0x0000000005D73000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads