nanocore | 4969554ae58dff0a9d4dfa099c32f7ec0ed3af397bdacebe472aee8f0831898a

Analysis

max time kernel
163s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
12/07/2022, 04:21

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General

Target
144a1ced44b2f066519f4accd20a4fb5.exe
Size 838KB
Sample220712-eym89saghj
SHA256 4969554ae58dff0a9d4dfa099c32f7ec0ed3af397bdacebe472aee8f0831898a
MD5 144a1ced44b2f066519f4accd20a4fb5
SHA1 976f1cb029baf261d0a80f2f78ab43f48eb0f0de
SHA512 31caff5807cbf3518ea6746afe24cd9154670b0b7e2fe78bfae01cc19fc70b7d4b9148e86f860da267bbc54b8b2d5bfc1cd858984e07028488e190bf171eeeec
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

172.245.163.161:2049
99light.ddns.net:2049

Mutex

a2cdb403-7f91-4b41-b6b6-d360aa151e29

Attributes

activate_away_mode
true
backup_connection_host
99light.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-22T06:54:44.800277536Z
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
2049
default_group
logs
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
a2cdb403-7f91-4b41-b6b6-d360aa151e29
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
172.245.163.161
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	144a1ced44b2f066519f4accd20a4fb5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasv.exe"	144a1ced44b2f066519f4accd20a4fb5.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	144a1ced44b2f066519f4accd20a4fb5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 540 set thread context of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Service\wpasv.exe	144a1ced44b2f066519f4accd20a4fb5.exe
File opened for modification	C:\Program Files (x86)\WPA Service\wpasv.exe	144a1ced44b2f066519f4accd20a4fb5.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 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1080	schtasks.exe
4124	schtasks.exe
4360	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
540	144a1ced44b2f066519f4accd20a4fb5.exe
540	144a1ced44b2f066519f4accd20a4fb5.exe
540	144a1ced44b2f066519f4accd20a4fb5.exe
540	144a1ced44b2f066519f4accd20a4fb5.exe
540	144a1ced44b2f066519f4accd20a4fb5.exe
540	144a1ced44b2f066519f4accd20a4fb5.exe
540	144a1ced44b2f066519f4accd20a4fb5.exe
4996	powershell.exe
4996	powershell.exe
1348	144a1ced44b2f066519f4accd20a4fb5.exe
1348	144a1ced44b2f066519f4accd20a4fb5.exe
1348	144a1ced44b2f066519f4accd20a4fb5.exe
1348	144a1ced44b2f066519f4accd20a4fb5.exe
1348	144a1ced44b2f066519f4accd20a4fb5.exe
1348	144a1ced44b2f066519f4accd20a4fb5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1348	144a1ced44b2f066519f4accd20a4fb5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	144a1ced44b2f066519f4accd20a4fb5.exe
Token: SeDebugPrivilege	4996	powershell.exe
Token: SeDebugPrivilege	1348	144a1ced44b2f066519f4accd20a4fb5.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 4996	540	144a1ced44b2f066519f4accd20a4fb5.exe	91
PID 540 wrote to memory of 4996	540	144a1ced44b2f066519f4accd20a4fb5.exe	91
PID 540 wrote to memory of 4996	540	144a1ced44b2f066519f4accd20a4fb5.exe	91
PID 540 wrote to memory of 1080	540	144a1ced44b2f066519f4accd20a4fb5.exe	93
PID 540 wrote to memory of 1080	540	144a1ced44b2f066519f4accd20a4fb5.exe	93
PID 540 wrote to memory of 1080	540	144a1ced44b2f066519f4accd20a4fb5.exe	93
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 540 wrote to memory of 1348	540	144a1ced44b2f066519f4accd20a4fb5.exe	95
PID 1348 wrote to memory of 4124	1348	144a1ced44b2f066519f4accd20a4fb5.exe	96
PID 1348 wrote to memory of 4124	1348	144a1ced44b2f066519f4accd20a4fb5.exe	96
PID 1348 wrote to memory of 4124	1348	144a1ced44b2f066519f4accd20a4fb5.exe	96
PID 1348 wrote to memory of 4360	1348	144a1ced44b2f066519f4accd20a4fb5.exe	98
PID 1348 wrote to memory of 4360	1348	144a1ced44b2f066519f4accd20a4fb5.exe	98
PID 1348 wrote to memory of 4360	1348	144a1ced44b2f066519f4accd20a4fb5.exe	98

C:\Users\Admin\AppData\Local\Temp\144a1ced44b2f066519f4accd20a4fb5.exe
"C:\Users\Admin\AppData\Local\Temp\144a1ced44b2f066519f4accd20a4fb5.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XDTtCQgdft.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4996
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDTtCQgdft" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE450.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1080
- C:\Users\Admin\AppData\Local\Temp\144a1ced44b2f066519f4accd20a4fb5.exe
  "C:\Users\Admin\AppData\Local\Temp\144a1ced44b2f066519f4accd20a4fb5.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:1348
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp14E.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4124
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2F5.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp14E.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp14E.tmp
Size 1KB
SHA256 bc700aa15e4376250408cb6ea55956a7d2c3e7fddb9c78c65016745d432908c5
MD5 ec66a07be8c83e5864dc3b76dff92917
SHA1 33afaf0d570a36e515f2be2df37e3b853d04dc58
SHA512 de3857380d471d999fed04310d18b13c854d016212d7777b4ad37c65b16bc40a385ca9ae417cf003590884b0ca62bf2d1967ad2da7b2f9fff0947e612c81cb81
MD5 SHA1 SHA512

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tmp2F5.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2F5.tmp
Size 1KB
SHA256 23af17733a3882cdd82a5bbc321d896b2430dc1bb4b4ac034d129cde5027afc4
MD5 21de6c3a6440d917bdbb4b491191d9b2
SHA1 c63c300affe7147910dc4544d2d5f3029bf321a6
SHA512 dcd1c464ed36593b990e072940ab415804ef8076743015fff4939211e30e436beb7ce6af3072769abe0214f737cedb210d2b45e6e90da20dac54c3945b11575f
MD5 SHA1 SHA512

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tmpE450.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpE450.tmp
Size 1KB
SHA256 b9a4dc33777e25c418d8101b8008a76f95f9dabb696ab62e2d125acc36cb2cb5
MD5 12bbdab4498521c8e6e2ed36b2f8ba65
SHA1 a8836d07ecf9a3eb14b427ba96112f6d1d6e25fd
SHA512 26cd583170a986df00cd7c6e7ede2555a8bd4dc07fbb95d199af86a69931458a677b7975d53a8c666a0696edbb84b60b714b62addcf45e7a84da46a1236e0569
MD5 SHA1 SHA512

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memory/540-131-0x0000000005560000-0x0000000005B04000-memory.dmp

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memory/540-132-0x0000000005050000-0x00000000050E2000-memory.dmp

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memory/540-133-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

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memory/540-134-0x0000000008AD0000-0x0000000008B6C000-memory.dmp

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memory/540-135-0x000000000B880000-0x000000000B8E6000-memory.dmp

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memory/540-130-0x0000000000550000-0x0000000000626000-memory.dmp

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memory/1348-142-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4996-143-0x0000000004EF0000-0x0000000004F12000-memory.dmp

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memory/4996-144-0x0000000005010000-0x0000000005076000-memory.dmp

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memory/4996-140-0x0000000005120000-0x0000000005748000-memory.dmp

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memory/4996-138-0x00000000026D0000-0x0000000002706000-memory.dmp

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memory/4996-149-0x0000000005E60000-0x0000000005E7E000-memory.dmp

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