nanocore | fbf87baf4c0d1b80b0c21101ffcaae027e4b6c15e151a4fde333725279c9809f

General

Target

0K408j3RN7U8UB6.exe
Size

444KB
MD5

0d2a1d6662af45ba909226b2992798b0
SHA1

40f3e3e5f00436a1f779e9eafb15bcf3c1c8ae3e
SHA256

358935d89163fa342e0707a3be3e844b44df91341a48dcf1c28d8b8c8424e6b5
SHA512

f0eed196650f254d916c2041f157788dffed25e27f76c0f043f111492e058a1a784d94c062e0c3fd39e04671ba089b99b92c2159022d90992a9eb13877fa2727

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

darlingtondc.hopto.org:1905

185.165.153.17:1905

Mutex

f1e189ea-bf5f-4d37-b84c-3b194f4e6fe7

Attributes

activate_away_mode
true
backup_connection_host
185.165.153.17
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-14T23:32:54.424872236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1905
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
f1e189ea-bf5f-4d37-b84c-3b194f4e6fe7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
darlingtondc.hopto.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

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

Processes:

0K408j3RN7U8UB6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	0K408j3RN7U8UB6.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

0K408j3RN7U8UB6.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0K408j3RN7U8UB6.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

0K408j3RN7U8UB6.exe

description pid process target process

PID 1320 set thread context of 5108 1320 0K408j3RN7U8UB6.exe 0K408j3RN7U8UB6.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2148 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0K408j3RN7U8UB6.exe

description	pid	process	target process
PID 1320 set thread context of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe

pid	process
2148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

0K408j3RN7U8UB6.exe0K408j3RN7U8UB6.exe

pid	process
1320	0K408j3RN7U8UB6.exe
1320	0K408j3RN7U8UB6.exe
1320	0K408j3RN7U8UB6.exe
1320	0K408j3RN7U8UB6.exe
1320	0K408j3RN7U8UB6.exe
1320	0K408j3RN7U8UB6.exe
5108	0K408j3RN7U8UB6.exe
5108	0K408j3RN7U8UB6.exe
5108	0K408j3RN7U8UB6.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

0K408j3RN7U8UB6.exe

pid process

5108 0K408j3RN7U8UB6.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0K408j3RN7U8UB6.exe0K408j3RN7U8UB6.exe

description pid process

Token: SeDebugPrivilege 1320 0K408j3RN7U8UB6.exe
Token: SeDebugPrivilege 5108 0K408j3RN7U8UB6.exe

pid	process
5108	0K408j3RN7U8UB6.exe

description	pid	process
Token: SeDebugPrivilege	1320	0K408j3RN7U8UB6.exe
Token: SeDebugPrivilege	5108	0K408j3RN7U8UB6.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

0K408j3RN7U8UB6.exe

description	pid	process	target process
PID 1320 wrote to memory of 2148	1320	0K408j3RN7U8UB6.exe	schtasks.exe
PID 1320 wrote to memory of 2148	1320	0K408j3RN7U8UB6.exe	schtasks.exe
PID 1320 wrote to memory of 2148	1320	0K408j3RN7U8UB6.exe	schtasks.exe
PID 1320 wrote to memory of 5036	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5036	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5036	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe
PID 1320 wrote to memory of 5108	1320	0K408j3RN7U8UB6.exe	0K408j3RN7U8UB6.exe

C:\Users\Admin\AppData\Local\Temp\0K408j3RN7U8UB6.exe
"C:\Users\Admin\AppData\Local\Temp\0K408j3RN7U8UB6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eECnqy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FAD.tmp"
2⤵
- Creates scheduled task(s)
PID:2148

C:\Users\Admin\AppData\Local\Temp\0K408j3RN7U8UB6.exe
"{path}"
2⤵
PID:5036

C:\Users\Admin\AppData\Local\Temp\0K408j3RN7U8UB6.exe
"{path}"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:5108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1FAD.tmp
Filesize
1KB

MD5
dbafda3fab23f97ed35c006e4ad69e41

SHA1
c948736c2e094d4d5b8cc228733860eef4e82f69

SHA256
952997cf21e3e8f081cf5ae96dba05dd5b99261292af3596463006f757973906

SHA512
bbbb6fded058ec3f73a338d26c816ac8d801810ee5b2e4f013d2d5a76af7d2e0fe1130d4ceb2a3b0e99365a71906049f02fb6b08868cdd54b406da9afc1a1107

Download Submit
memory/1320-130-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/2148-131-0x0000000000000000-mapping.dmp

Download
memory/5036-133-0x0000000000000000-mapping.dmp

Download
memory/5108-134-0x0000000000000000-mapping.dmp

Download
memory/5108-135-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5108-136-0x0000000075210000-0x00000000757C1000-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