nanocore | 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489

General

Target

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
Size

788KB
MD5

13f3895c5959682a0d364fe152ac900c
SHA1

4c005dfea4568ac4439a24207c179d07b7852bb5
SHA256

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489
SHA512

350b54425b3bdc214fe7f16453edeafb135969c77075650b1a804eb2161c85bcf06d894857ac4900c547159c9df6602a2ac931102c825c81f14aa27fb648dfe1
SSDEEP

24576:IdtP2cbksTpugRNJI5kFMJF9OWjwjLz3B:hgq8

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.236.116.142:5888

Mutex

d995ed82-bf13-4043-b564-f5f89f8c5209

Attributes

activate_away_mode
true
backup_connection_host
91.236.116.142
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-01-07T03:01:54.729778636Z
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
5888
default_group
Spy
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
d995ed82-bf13-4043-b564-f5f89f8c5209
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.236.116.142
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:

app.exe

pid process

2300 app.exe

pid	process
2300	app.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

app.exe

description pid process target process

PID 2300 set thread context of 1920 2300 app.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

4756 schtasks.exe

description	pid	process	target process
PID 2300 set thread context of 1920	2300	app.exe	aspnet_compiler.exe

pid	process
4756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exeapp.exeaspnet_compiler.exe

pid	process
4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
2300	app.exe
2300	app.exe
2300	app.exe
2300	app.exe
2300	app.exe
2300	app.exe
1920	aspnet_compiler.exe
1920	aspnet_compiler.exe
1920	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exeapp.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
Token: SeDebugPrivilege	2300	app.exe
Token: SeDebugPrivilege	1920	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exeapp.exeaspnet_compiler.exe

description	pid	process	target process
PID 4772 wrote to memory of 2300	4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe	app.exe
PID 4772 wrote to memory of 2300	4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe	app.exe
PID 4772 wrote to memory of 2300	4772	976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe	app.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 2300 wrote to memory of 1920	2300	app.exe	aspnet_compiler.exe
PID 1920 wrote to memory of 4756	1920	aspnet_compiler.exe	schtasks.exe
PID 1920 wrote to memory of 4756	1920	aspnet_compiler.exe	schtasks.exe
PID 1920 wrote to memory of 4756	1920	aspnet_compiler.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
"C:\Users\Admin\AppData\Local\Temp\976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772

C:\Users\Admin\AppData\Roaming\app.exe
"C:\Users\Admin\AppData\Roaming\app.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2300

C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5569.tmp"
4⤵
- Creates scheduled task(s)
PID:4756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5569.tmp
Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe
Filesize
797KB

MD5
c94279ae7316ced285ad33828fbddba2

SHA1
ec88b043839762a498e6b13af6227be732660548

SHA256
d9ea536a2ddf02428f7c7ce79e2d717506cf567148b72028f37b3c6c4fb68e04

SHA512
605dab53b3b054652817f5140f9e91a20475cf0069af6e6605d8d06f7002a5f8cb62257c522ba1fe5127f59c7203433716c52da361fbee682a1274b6fe1ec78f

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe
Filesize
797KB

MD5
c94279ae7316ced285ad33828fbddba2

SHA1
ec88b043839762a498e6b13af6227be732660548

SHA256
d9ea536a2ddf02428f7c7ce79e2d717506cf567148b72028f37b3c6c4fb68e04

SHA512
605dab53b3b054652817f5140f9e91a20475cf0069af6e6605d8d06f7002a5f8cb62257c522ba1fe5127f59c7203433716c52da361fbee682a1274b6fe1ec78f

Download Submit
memory/1920-141-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1920-140-0x0000000000000000-mapping.dmp

Download
memory/1920-143-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/2300-134-0x0000000000000000-mapping.dmp

Download
memory/2300-138-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/2300-139-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/2300-142-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/4756-144-0x0000000000000000-mapping.dmp

Download
memory/4772-137-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/4772-132-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/4772-133-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads