nanocore | 750c4da3b3142fa42663ab5a5d1441dcd28813961848321322c569784a4196eb

Analysis

max time kernel
146s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17-06-2024 06:17

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General

Target

ACH PAYMENT REMITTANCE.DOC.exe
Size

929KB
MD5

0e9543a317167346e764e54c9efcdca2
SHA1

8f35febea4eed47852be207eaa4851d22eeeb99d
SHA256

66772b771a09542f6e9f395a47f82e2b2ff7f9640d1889a57d311a0c4e32dfd9
SHA512

8c19846dd9cdf429780a717f0dc9c2fa13e2978241b37332e2bc620fc021c9bdd742007b7f05e4c1fb182fd1940108614ce61a73a855f608172d694c83bd52ad
SSDEEP

6144:MwlW5xVGa5kKdl+mBhCbq+wYaVriHWmE8m9jAa9xCRy2r4jGX5+D5vJ8o1IOyTXv:iDd4kmsJ6eCxzOCtq3yOs7g1JTiDFQoV

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

maquicantro.duckdns.org:54984

Mutex

6615e4b6-140c-4fee-a706-7fe1189f7d99

Attributes

activate_away_mode
true
backup_connection_host
maquicantro.duckdns.org
backup_dns_server
buffer_size
65535
build_time
2018-07-30T20:24:40.443351736Z
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
54984
default_group
MINO
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
6615e4b6-140c-4fee-a706-7fe1189f7d99
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
maquicantro.duckdns.org
primary_dns_server
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 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

RegAsm.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe" RegAsm.exe
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:

ACH PAYMENT REMITTANCE.DOC.exe

description pid process target process

PID 2716 set thread context of 3044 2716 ACH PAYMENT REMITTANCE.DOC.exe RegAsm.exe
Drops file in Program Files directory 2 IoCs

Processes:

RegAsm.exe

description ioc process

File created C:\Program Files (x86)\LAN Service\lansv.exe RegAsm.exe
File opened for modification C:\Program Files (x86)\LAN Service\lansv.exe RegAsm.exe
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2668 schtasks.exe
2056 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ACH PAYMENT REMITTANCE.DOC.exeRegAsm.exe

pid process

2716 ACH PAYMENT REMITTANCE.DOC.exe
2716 ACH PAYMENT REMITTANCE.DOC.exe
3044 RegAsm.exe
3044 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

3044 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ACH PAYMENT REMITTANCE.DOC.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2716 ACH PAYMENT REMITTANCE.DOC.exe
Token: SeDebugPrivilege 3044 RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe"	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 2716 set thread context of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe

description	ioc	process
File created	C:\Program Files (x86)\LAN Service\lansv.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\LAN Service\lansv.exe	RegAsm.exe

pid	process
2668	schtasks.exe
2056	schtasks.exe

pid	process
2716	ACH PAYMENT REMITTANCE.DOC.exe
2716	ACH PAYMENT REMITTANCE.DOC.exe
3044	RegAsm.exe
3044	RegAsm.exe

pid	process
3044	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2716	ACH PAYMENT REMITTANCE.DOC.exe
Token: SeDebugPrivilege	3044	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

ACH PAYMENT REMITTANCE.DOC.exeRegAsm.exe

description	pid	process	target process
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 2716 wrote to memory of 3044	2716	ACH PAYMENT REMITTANCE.DOC.exe	RegAsm.exe
PID 3044 wrote to memory of 2668	3044	RegAsm.exe	schtasks.exe
PID 3044 wrote to memory of 2668	3044	RegAsm.exe	schtasks.exe
PID 3044 wrote to memory of 2668	3044	RegAsm.exe	schtasks.exe
PID 3044 wrote to memory of 2668	3044	RegAsm.exe	schtasks.exe
PID 3044 wrote to memory of 2056	3044	RegAsm.exe	schtasks.exe
PID 3044 wrote to memory of 2056	3044	RegAsm.exe	schtasks.exe
PID 3044 wrote to memory of 2056	3044	RegAsm.exe	schtasks.exe
PID 3044 wrote to memory of 2056	3044	RegAsm.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ACH PAYMENT REMITTANCE.DOC.exe
"C:\Users\Admin\AppData\Local\Temp\ACH PAYMENT REMITTANCE.DOC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2716

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1A06.tmp"
3⤵
- Creates scheduled task(s)
PID:2668

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1AC2.tmp"
3⤵
- Creates scheduled task(s)
PID:2056

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1A06.tmp
Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1AC2.tmp
Filesize
1KB

MD5
6b30dba7972c92c9a1b881e88c108b15

SHA1
f76207985cc5a1f70edb2fb5bd45678f195a4564

SHA256
578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7

SHA512
e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099

Download Submit
memory/2716-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/2716-1-0x0000000000210000-0x00000000002E6000-memory.dmp

Filesize
856KB

Download
memory/2716-2-0x00000000003D0000-0x0000000000414000-memory.dmp

Filesize
272KB

Download
memory/2716-3-0x0000000000630000-0x000000000063C000-memory.dmp

Filesize
48KB

Download
memory/2716-5-0x0000000000650000-0x0000000000688000-memory.dmp

Filesize
224KB

Download
memory/3044-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3044-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3044-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3044-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3044-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3044-21-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3044-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3044-29-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download