nanocore | 5d28090559ddae9ba6e3ba76435906a1bb58a11ec0aeee43f746df928de3236a

General

Target

MEDICAL DISPOSABLE.pdf.exe
Size

367KB
MD5

5e0f15e5665a0b965f213a12ed93e606
SHA1

3a4b5ad18324bb8a238f9a2a1f66bc6bff5814ae
SHA256

21770aa286de38738ddaf3b4237a794ed43f858019f33ed5d2cc570de0ab0eda
SHA512

09f7f5cc31620bf63595dffeae55a9d6e4e9d7fbdbcca991bc0a06fb94bedcd820b65481a0a04944e5ea8cc2635f43fde36fe3b95980320d9cbec12bf4904c1e

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kachi2020.hopto.org:1918

185.165.153.19:1918

Mutex

d8af0884-edfe-4f5e-9dbe-2b1162970748

Attributes

activate_away_mode
true
backup_connection_host
185.165.153.19
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-16T11:38:10.399131136Z
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
1918
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
d8af0884-edfe-4f5e-9dbe-2b1162970748
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kachi2020.hopto.org
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MEDICAL DISPOSABLE.pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsvc.exe"	MEDICAL DISPOSABLE.pdf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

MEDICAL DISPOSABLE.pdf.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exe

description pid process target process

PID 1016 set thread context of 1280 1016 MEDICAL DISPOSABLE.pdf.exe MEDICAL DISPOSABLE.pdf.exe

description	pid	process	target process
PID 1016 set thread context of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe

Drops file in Program Files directory 2 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\ARP Service\arpsvc.exe	MEDICAL DISPOSABLE.pdf.exe
File created	C:\Program Files (x86)\ARP Service\arpsvc.exe	MEDICAL DISPOSABLE.pdf.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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

952 schtasks.exe
1924 schtasks.exe

pid	process
952	schtasks.exe
1924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exeMEDICAL DISPOSABLE.pdf.exe

pid	process
1016	MEDICAL DISPOSABLE.pdf.exe
1016	MEDICAL DISPOSABLE.pdf.exe
1280	MEDICAL DISPOSABLE.pdf.exe
1280	MEDICAL DISPOSABLE.pdf.exe
1280	MEDICAL DISPOSABLE.pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exe

pid process

1280 MEDICAL DISPOSABLE.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exeMEDICAL DISPOSABLE.pdf.exe

description pid process

Token: SeDebugPrivilege 1016 MEDICAL DISPOSABLE.pdf.exe
Token: SeDebugPrivilege 1280 MEDICAL DISPOSABLE.pdf.exe

pid	process
1280	MEDICAL DISPOSABLE.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1016	MEDICAL DISPOSABLE.pdf.exe
Token: SeDebugPrivilege	1280	MEDICAL DISPOSABLE.pdf.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exeMEDICAL DISPOSABLE.pdf.exe

description	pid	process	target process
PID 1016 wrote to memory of 1464	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1464	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1464	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1464	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1016 wrote to memory of 1280	1016	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 1280 wrote to memory of 952	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 1280 wrote to memory of 952	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 1280 wrote to memory of 952	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 1280 wrote to memory of 952	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 1280 wrote to memory of 1924	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 1280 wrote to memory of 1924	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 1280 wrote to memory of 1924	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 1280 wrote to memory of 1924	1280	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\MEDICAL DISPOSABLE.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\MEDICAL DISPOSABLE.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016

C:\Users\Admin\AppData\Local\Temp\MEDICAL DISPOSABLE.pdf.exe
"{path}"
2⤵
PID:1464

C:\Users\Admin\AppData\Local\Temp\MEDICAL DISPOSABLE.pdf.exe
"{path}"
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:1280

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1C58.tmp"
3⤵
- Creates scheduled task(s)
PID:952

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5025.tmp"
3⤵
- Creates scheduled task(s)
PID:1924

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1C58.tmp
Filesize
1KB

MD5
37f61a77750aaa2480d113361eb70357

SHA1
d008959a7f94c32617cd5e14443b9c2f2329a795

SHA256
9dddcbac56c3be5b30f24fdd1c4f3187e4f5d9d20b27c012b131c6d10643597d

SHA512
cd20d1915c518841bfeda01439a452d750347686fc7e1195c376071366a0a2c49b69d23803a82eee2287a38cc9784134c80b411aaf9b78f5ffc36eda1adfd92d

Download Submit
memory/952-69-0x0000000000000000-mapping.dmp

Download
memory/1016-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/1016-55-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1280-63-0x000000000041E792-mapping.dmp

Download
memory/1280-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1280-71-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1924-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads