nanocore | 752cd626a9f3e937dbfc5d0f51615df342517a44ea5ae382931e44b1e583d042

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 23:17

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General

Target

c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe
Size

1.4MB
MD5

c1d783218c08ec713b483b0e51da0140
SHA1

5d5ab698f686b9f35aec0a27228f9459f7574a6b
SHA256

752cd626a9f3e937dbfc5d0f51615df342517a44ea5ae382931e44b1e583d042
SHA512

8899bdacaecb9b4dde82316da0034d40d540413763bfa9565338ad86d4a4adc7adeb29a60a1c872432fb537b493e0bf4da6c422f89a32f44a76b5a5859edcdda
SSDEEP

24576:6AHnh+eWsN3skA4RV1Hom2KXMmHaYDBNkmBRGEMdSR5ADIAsG/jJ45U:Nh+ZkldoPK8YaZSeIAmU

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

bnow.duckdns.org:4156

Mutex

fc4000c4-f8ec-42dc-a0ad-1edfd7548ceb

Attributes

activate_away_mode
true
backup_connection_host
bnow.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-20T04:39:27.808758936Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4156
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
fc4000c4-f8ec-42dc-a0ad-1edfd7548ceb
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bnow.duckdns.org
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

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

igfxEM.exec1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exeigfxEM.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	igfxEM.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	igfxEM.exe

Executes dropped EXE 2 IoCs

Processes:

igfxEM.exeigfxEM.exe

pid process

812 igfxEM.exe
5020 igfxEM.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
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.

Processes:

resource yara_rule

C:\Users\Admin\WinSAT\igfxEM.exe autoit_exe

pid	process
812	igfxEM.exe
5020	igfxEM.exe

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

resource	yara_rule
C:\Users\Admin\WinSAT\igfxEM.exe	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exeigfxEM.exeigfxEM.exe

description	pid	process	target process
PID 3220 set thread context of 1572	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	RegAsm.exe
PID 812 set thread context of 1236	812	igfxEM.exe	RegAsm.exe
PID 5020 set thread context of 3368	5020	igfxEM.exe	RegAsm.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

3944 schtasks.exe
2304 schtasks.exe
1592 schtasks.exe
4496 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

1572 RegAsm.exe
1572 RegAsm.exe
1572 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

1572 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1572 RegAsm.exe

pid	process
3944	schtasks.exe
2304	schtasks.exe
1592	schtasks.exe
4496	schtasks.exe

pid	process
1572	RegAsm.exe
1572	RegAsm.exe
1572	RegAsm.exe

pid	process
1572	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1572	RegAsm.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exeRegAsm.exeigfxEM.exeigfxEM.exe

description	pid	process	target process
PID 3220 wrote to memory of 1572	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	RegAsm.exe
PID 3220 wrote to memory of 1572	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	RegAsm.exe
PID 3220 wrote to memory of 1572	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	RegAsm.exe
PID 3220 wrote to memory of 1572	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	RegAsm.exe
PID 3220 wrote to memory of 1572	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	RegAsm.exe
PID 1572 wrote to memory of 4496	1572	RegAsm.exe	schtasks.exe
PID 1572 wrote to memory of 4496	1572	RegAsm.exe	schtasks.exe
PID 1572 wrote to memory of 4496	1572	RegAsm.exe	schtasks.exe
PID 3220 wrote to memory of 3944	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	schtasks.exe
PID 3220 wrote to memory of 3944	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	schtasks.exe
PID 3220 wrote to memory of 3944	3220	c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe	schtasks.exe
PID 812 wrote to memory of 1236	812	igfxEM.exe	RegAsm.exe
PID 812 wrote to memory of 1236	812	igfxEM.exe	RegAsm.exe
PID 812 wrote to memory of 1236	812	igfxEM.exe	RegAsm.exe
PID 812 wrote to memory of 1236	812	igfxEM.exe	RegAsm.exe
PID 812 wrote to memory of 1236	812	igfxEM.exe	RegAsm.exe
PID 812 wrote to memory of 2304	812	igfxEM.exe	schtasks.exe
PID 812 wrote to memory of 2304	812	igfxEM.exe	schtasks.exe
PID 812 wrote to memory of 2304	812	igfxEM.exe	schtasks.exe
PID 5020 wrote to memory of 3368	5020	igfxEM.exe	RegAsm.exe
PID 5020 wrote to memory of 3368	5020	igfxEM.exe	RegAsm.exe
PID 5020 wrote to memory of 3368	5020	igfxEM.exe	RegAsm.exe
PID 5020 wrote to memory of 3368	5020	igfxEM.exe	RegAsm.exe
PID 5020 wrote to memory of 3368	5020	igfxEM.exe	RegAsm.exe
PID 5020 wrote to memory of 1592	5020	igfxEM.exe	schtasks.exe
PID 5020 wrote to memory of 1592	5020	igfxEM.exe	schtasks.exe
PID 5020 wrote to memory of 1592	5020	igfxEM.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\c1d783218c08ec713b483b0e51da0140_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3220

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5237.tmp"
3⤵
- Creates scheduled task(s)
PID:4496

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
2⤵
- Creates scheduled task(s)
PID:3944

C:\Users\Admin\WinSAT\igfxEM.exe
C:\Users\Admin\WinSAT\igfxEM.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:812

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
PID:1236

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
2⤵
- Creates scheduled task(s)
PID:2304

C:\Users\Admin\WinSAT\igfxEM.exe
C:\Users\Admin\WinSAT\igfxEM.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5020

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
PID:3368

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn azroles /tr "C:\Users\Admin\WinSAT\igfxEM.exe" /sc minute /mo 1 /F
2⤵
- Creates scheduled task(s)
PID:1592

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log
Filesize
496B

MD5
5b4789d01bb4d7483b71e1a35bce6a8b

SHA1
de083f2131c9a763c0d1810c97a38732146cffbf

SHA256
e248cef9500ed6e0c9f99d72a2a6a36955a5f0cfc0725748ef25a733cc8282f6

SHA512
357e18ef30430e4b9cc4f2569b9735b1cd12f934c83162e4de78ac29ba9703b63ddb624ccc22afd5a5868f6e9d91a3c64581846abac22e9625f5b2e3d80b3ede

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5237.tmp
Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
C:\Users\Admin\WinSAT\igfxEM.exe
Filesize
1.4MB

MD5
28b376648d12d1a7db253b69b2818a89

SHA1
34fff82ed3f46f4c87194705f072bf43c65c2770

SHA256
6b9a9a66b78b1dcaaf4c0df898a459ca9e7f17dd6a2be15d37d7c37e2dc9e153

SHA512
e5ca9e8711bb0727129fe31bccc186c8a04bcb1b1946edebf400b27ef8a746f1361ae883aa6cf7ac9510a877bbd6523157970f262fe1897b5777a1f3477a448a

Download Submit
C:\Users\Admin\azroles.lnk
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/1236-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1572-2-0x00000000001A0000-0x00000000001D8000-memory.dmp

Filesize
224KB

Download
memory/1572-6-0x00000000739A2000-0x00000000739A3000-memory.dmp

Filesize
4KB

Download
memory/1572-7-0x00000000739A0000-0x0000000073F51000-memory.dmp

Filesize
5.7MB

Download
memory/1572-8-0x00000000739A0000-0x0000000073F51000-memory.dmp

Filesize
5.7MB

Download
memory/1572-16-0x00000000739A2000-0x00000000739A3000-memory.dmp

Filesize
4KB

Download
memory/1572-17-0x00000000739A0000-0x0000000073F51000-memory.dmp

Filesize
5.7MB

Download
memory/3220-0-0x0000000002800000-0x0000000002801000-memory.dmp

Filesize
4KB

Download