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\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.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 2108 set thread context of 4032 2108 MEDICAL DISPOSABLE.pdf.exe MEDICAL DISPOSABLE.pdf.exe

description	pid	process	target process
PID 2108 set thread context of 4032	2108	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 created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	MEDICAL DISPOSABLE.pdf.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.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

3068 schtasks.exe
1532 schtasks.exe

pid	process
3068	schtasks.exe
1532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exeMEDICAL DISPOSABLE.pdf.exe

pid	process
2108	MEDICAL DISPOSABLE.pdf.exe
2108	MEDICAL DISPOSABLE.pdf.exe
2108	MEDICAL DISPOSABLE.pdf.exe
4032	MEDICAL DISPOSABLE.pdf.exe
4032	MEDICAL DISPOSABLE.pdf.exe
4032	MEDICAL DISPOSABLE.pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exe

pid process

4032 MEDICAL DISPOSABLE.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exeMEDICAL DISPOSABLE.pdf.exe

description pid process

Token: SeDebugPrivilege 2108 MEDICAL DISPOSABLE.pdf.exe
Token: SeDebugPrivilege 4032 MEDICAL DISPOSABLE.pdf.exe

pid	process
4032	MEDICAL DISPOSABLE.pdf.exe

description	pid	process
Token: SeDebugPrivilege	2108	MEDICAL DISPOSABLE.pdf.exe
Token: SeDebugPrivilege	4032	MEDICAL DISPOSABLE.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

MEDICAL DISPOSABLE.pdf.exeMEDICAL DISPOSABLE.pdf.exe

description	pid	process	target process
PID 2108 wrote to memory of 2088	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 2088	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 2088	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 2108 wrote to memory of 4032	2108	MEDICAL DISPOSABLE.pdf.exe	MEDICAL DISPOSABLE.pdf.exe
PID 4032 wrote to memory of 1532	4032	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 4032 wrote to memory of 1532	4032	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 4032 wrote to memory of 1532	4032	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 4032 wrote to memory of 3068	4032	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 4032 wrote to memory of 3068	4032	MEDICAL DISPOSABLE.pdf.exe	schtasks.exe
PID 4032 wrote to memory of 3068	4032	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:2108

C:\Users\Admin\AppData\Local\Temp\MEDICAL DISPOSABLE.pdf.exe
"{path}"
2⤵
PID:2088

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:4032

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB6D1.tmp"
3⤵
- Creates scheduled task(s)
PID:1532

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB78E.tmp"
3⤵
- Creates scheduled task(s)
PID:3068

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB6D1.tmp
Filesize
1KB

MD5
37f61a77750aaa2480d113361eb70357

SHA1
d008959a7f94c32617cd5e14443b9c2f2329a795

SHA256
9dddcbac56c3be5b30f24fdd1c4f3187e4f5d9d20b27c012b131c6d10643597d

SHA512
cd20d1915c518841bfeda01439a452d750347686fc7e1195c376071366a0a2c49b69d23803a82eee2287a38cc9784134c80b411aaf9b78f5ffc36eda1adfd92d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB78E.tmp
Filesize
1KB

MD5
a246b3561d823177f3586e629f144233

SHA1
0f05d12e55a1d2e5e6a4f307c193882fba093315

SHA256
6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52

SHA512
4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d

Download Submit
memory/1532-135-0x0000000000000000-mapping.dmp

Download
memory/2088-131-0x0000000000000000-mapping.dmp

Download
memory/2108-130-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download
memory/3068-137-0x0000000000000000-mapping.dmp

Download
memory/4032-132-0x0000000000000000-mapping.dmp

Download
memory/4032-133-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4032-134-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads