nanocore | b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be

General

Target

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
Size

331KB
MD5

d3fdb823369a37fbb2a45cb12bdf1022
SHA1

b921889c56336834389b6ab59b9f2d31713513ae
SHA256

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be
SHA512

1757b7712579ca6a863cd055eb9843f854c6e6a86f21fa6974b0c69f7d6175e07afa00fa53a4157b370c02eab7f6e987fd0ed6424c493dd253bc4e4a8eedb9ca

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.119:95

Mutex

5113d788-9d22-4458-9bd1-3713db521969

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-04-03T01:02:10.955534636Z
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
95
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
5113d788-9d22-4458-9bd1-3713db521969
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.119
primary_dns_server
8.8.8.8
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

Loads dropped DLL 2 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

pid	process
1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exeb965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Host = "C:\\Program Files (x86)\\LAN Host\\lanhost.exe"	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\qubiafscvdn = "C:\\Users\\Admin\\AppData\\Roaming\\gnyodv\\suvbtywkixg.exe"	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

description	pid	process	target process
PID 1920 set thread context of 1664	1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

Drops file in Program Files directory 2 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

description	ioc	process
File created	C:\Program Files (x86)\LAN Host\lanhost.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
File opened for modification	C:\Program Files (x86)\LAN Host\lanhost.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1724 schtasks.exe
524 schtasks.exe

pid	process
1724	schtasks.exe
524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

pid	process
1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

pid process

1664 b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

pid process

1920 b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

description pid process

Token: SeDebugPrivilege 1664 b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

description	pid	process
Token: SeDebugPrivilege	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exeb965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe

description	pid	process	target process
PID 1920 wrote to memory of 1664	1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
PID 1920 wrote to memory of 1664	1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
PID 1920 wrote to memory of 1664	1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
PID 1920 wrote to memory of 1664	1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
PID 1920 wrote to memory of 1664	1920	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
PID 1664 wrote to memory of 1724	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe
PID 1664 wrote to memory of 1724	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe
PID 1664 wrote to memory of 1724	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe
PID 1664 wrote to memory of 1724	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe
PID 1664 wrote to memory of 524	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe
PID 1664 wrote to memory of 524	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe
PID 1664 wrote to memory of 524	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe
PID 1664 wrote to memory of 524	1664	b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
"C:\Users\Admin\AppData\Local\Temp\b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1920

C:\Users\Admin\AppData\Local\Temp\b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.exe
"C:\Users\Admin\AppData\Local\Temp\b965a3225ad01373aaa7e31a0135a981c4f82b4c75190681ca7fc1d3a6dfd6be.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:1664

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC429.tmp"
3⤵
- Creates scheduled task(s)
PID:1724

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "LAN Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC534.tmp"
3⤵
- Creates scheduled task(s)
PID:524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC429.tmp
MD5
c6d3344eef30092b5bff71f2ebfea207

SHA1
e1cba6468dfec208a5643e62e3f2ae7f8be2646a

SHA256
5057722c377b058aad0c632a97f663f31b88173aa9112da9325987ddeb5e9422

SHA512
1f598969dc60ae136a926778a3eb2f802af54190c94231f61697f9f2017d1628835370f51a93b23876d1737ddbc733df4e33474718c2dd536596f892e6175083

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC534.tmp
MD5
54865f98871478b2b88b7f8aa6100915

SHA1
6f8667f1ce25cebee2a7b460668736ff6bcfac54

SHA256
287f7b4372926ff59bb9a14bdfc00ad63f92af8efdb2e14f6f6baf31878fd44e

SHA512
caba0bd0cb0eda0710291f9754cfdef1a3d8fdb8b6d07f5d3e4d1e7b09c87f37032287ddef0a75485d6e685afa3510ee64453662e6c8d223ae171b392b58e493

Download Submit
\Users\Admin\AppData\Local\Temp\nsnBEBF.tmp\System.dll
MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

Download Submit
\Users\Admin\AppData\Local\Temp\nsnBEBF.tmp\System.dll
MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

Download Submit
memory/524-72-0x0000000000000000-mapping.dmp

Download
memory/1664-64-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1664-67-0x00000000020D1000-0x00000000020D2000-memory.dmp

Filesize
4KB

Download
memory/1664-68-0x00000000020D2000-0x00000000020D4000-memory.dmp

Filesize
8KB

Download
memory/1664-69-0x00000000020D7000-0x00000000020D8000-memory.dmp

Filesize
4KB

Download
memory/1664-70-0x00000000020D8000-0x00000000020D9000-memory.dmp

Filesize
4KB

Download
memory/1664-66-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/1664-62-0x000000000040188B-mapping.dmp

Download
memory/1724-65-0x0000000000000000-mapping.dmp

Download
memory/1920-59-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads