nanocore | ec8220c63f5a0074384315dfc848f6787f38cc540f2b197acb5c84a2efcf5d28

General

Target

1131_7_14_2020.exe
Size

938KB
MD5

370af9b902fe03abb7e6ac0d10f71750
SHA1

435d65c2e7a928643f9e6f6910b85389c742abd4
SHA256

aaa969de94835c4f59740b9bc3463693142db72d094969962d353c6466c10cd5
SHA512

36d3ffc37f77966a9aace302c35b72fe86c7c511505c99901138344a189cefa23510f42a61def35331b35fd8d474fc0b12372b2646accda3b098626544a832fa

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

izu2128.hopto.org:2128

185.244.29.131:2128

Mutex

21d09d36-4d03-48fe-822f-6fed1c1e2bf0

Attributes

activate_away_mode
true
backup_connection_host
185.244.29.131
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-12T02:43:07.896430936Z
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
2128
default_group
izu2128
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
21d09d36-4d03-48fe-822f-6fed1c1e2bf0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
izu2128.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:

1131_7_14_2020.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"	1131_7_14_2020.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

1131_7_14_2020.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1131_7_14_2020.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

1131_7_14_2020.exe

description pid process target process

PID 1156 set thread context of 1616 1156 1131_7_14_2020.exe 1131_7_14_2020.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1131_7_14_2020.exe

description	pid	process	target process
PID 1156 set thread context of 1616	1156	1131_7_14_2020.exe	1131_7_14_2020.exe

Drops file in Program Files directory 2 IoCs

Processes:

1131_7_14_2020.exe

description	ioc	process
File created	C:\Program Files (x86)\ARP Service\arpsvc.exe	1131_7_14_2020.exe
File opened for modification	C:\Program Files (x86)\ARP Service\arpsvc.exe	1131_7_14_2020.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

1540 schtasks.exe
960 schtasks.exe

pid	process
1540	schtasks.exe
960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1131_7_14_2020.exe1131_7_14_2020.exe1131_7_14_2020.exe

pid	process
1156	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1616	1131_7_14_2020.exe
1616	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe
1012	1131_7_14_2020.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

1131_7_14_2020.exe

pid process

1616 1131_7_14_2020.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1131_7_14_2020.exe

pid process

1156 1131_7_14_2020.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1131_7_14_2020.exe

description pid process

Token: SeDebugPrivilege 1616 1131_7_14_2020.exe

pid	process
1616	1131_7_14_2020.exe

description	pid	process
Token: SeDebugPrivilege	1616	1131_7_14_2020.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

1131_7_14_2020.exe1131_7_14_2020.exe

description	pid	process	target process
PID 1156 wrote to memory of 1616	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1156 wrote to memory of 1616	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1156 wrote to memory of 1616	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1156 wrote to memory of 1616	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1156 wrote to memory of 1012	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1156 wrote to memory of 1012	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1156 wrote to memory of 1012	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1156 wrote to memory of 1012	1156	1131_7_14_2020.exe	1131_7_14_2020.exe
PID 1616 wrote to memory of 1540	1616	1131_7_14_2020.exe	schtasks.exe
PID 1616 wrote to memory of 1540	1616	1131_7_14_2020.exe	schtasks.exe
PID 1616 wrote to memory of 1540	1616	1131_7_14_2020.exe	schtasks.exe
PID 1616 wrote to memory of 1540	1616	1131_7_14_2020.exe	schtasks.exe
PID 1616 wrote to memory of 960	1616	1131_7_14_2020.exe	schtasks.exe
PID 1616 wrote to memory of 960	1616	1131_7_14_2020.exe	schtasks.exe
PID 1616 wrote to memory of 960	1616	1131_7_14_2020.exe	schtasks.exe
PID 1616 wrote to memory of 960	1616	1131_7_14_2020.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1131_7_14_2020.exe
"C:\Users\Admin\AppData\Local\Temp\1131_7_14_2020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1156

C:\Users\Admin\AppData\Local\Temp\1131_7_14_2020.exe
"C:\Users\Admin\AppData\Local\Temp\1131_7_14_2020.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:1616

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7521.tmp"
3⤵
- Creates scheduled task(s)
PID:1540

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp781E.tmp"
3⤵
- Creates scheduled task(s)
PID:960

C:\Users\Admin\AppData\Local\Temp\1131_7_14_2020.exe
"C:\Users\Admin\AppData\Local\Temp\1131_7_14_2020.exe" 2 1616 7106017
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1012

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\tmp7521.tmp
Filesize
1KB

MD5
c16c20b56b5516678310c978b73fd058

SHA1
6cd71bee47223c8761fb80781d4058c6c1a3a925

SHA256
d455788ddf94450c34985851b71d5fd46166b848f36c0efa438d2b402a019afb

SHA512
6efb89ee6b2b1c07ae7953b3e16325d4e4883de7cdced4f1c903ca294b0c8b9785883879a481a21fa9841ae7abad061f2e9ef77655580cc2b4342c1030de882f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp781E.tmp
Filesize
1KB

MD5
1badb6e2b29a1c4bfff3c179d53ab96b

SHA1
4b2ad3e5f3826d252d1c8bf1c8f0702f39129fa1

SHA256
6259ac4e6859a1b528d77ccea12b378f7dfa1eff359d9b8899414b4b1c484699

SHA512
36338e2a74fd85c5f2c84be009981a7260692c1bcb121a42018209031082da69bf65640702d53e28b54871f9d44e65fdbebaf4771c530699c3e93981b58129b4

Download Submit
memory/960-66-0x0000000000000000-mapping.dmp

Download
memory/1012-56-0x0000000000000000-mapping.dmp

Download
memory/1012-62-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1156-54-0x0000000074F91000-0x0000000074F93000-memory.dmp

Filesize
8KB

Download
memory/1156-58-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1540-64-0x0000000000000000-mapping.dmp

Download
memory/1616-55-0x000000000047D710-mapping.dmp

Download
memory/1616-57-0x0000000001C80000-0x0000000001CB8000-memory.dmp

Filesize
224KB

Download
memory/1616-60-0x0000000001C80000-0x0000000001CB8000-memory.dmp

Filesize
224KB

Download
memory/1616-63-0x0000000073FB0000-0x000000007455B000-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