nanocore | a625100d55ce2671fe17784442c36fa6bae6ada85d516c2e3ac4509112d4c740

General

Target

RFQ 1107052020.exe
Size

439KB
MD5

6f76cf57e27e27dc36ef6365bf992d0b
SHA1

ecc4feea2d22a4e7b5cdcee281bddd2396a54f5c
SHA256

a625100d55ce2671fe17784442c36fa6bae6ada85d516c2e3ac4509112d4c740
SHA512

3676e45051dce3a6e8857de0713da27449831fc4ec5b2a84c1afbe3d6689ceaf6a763452013ff066c3e3413547c1111f12beff0a4be652fabca784b906ab5dac

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sydney112.hopto.org:1007

79.134.225.7:1007

Mutex

1794518e-1406-42a0-bd9e-26459aee0f43

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.7
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-10T00:18:24.962118936Z
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
1007
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
1794518e-1406-42a0-bd9e-26459aee0f43
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sydney112.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:

RFQ 1107052020.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Manager = "C:\\Program Files (x86)\\NTFS Manager\\ntfsmgr.exe"	RFQ 1107052020.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RFQ 1107052020.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RFQ 1107052020.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ 1107052020.exe

description pid process target process

PID 756 set thread context of 1668 756 RFQ 1107052020.exe RFQ 1107052020.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RFQ 1107052020.exe

description	pid	process	target process
PID 756 set thread context of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe

Drops file in Program Files directory 2 IoCs

Processes:

RFQ 1107052020.exe

description	ioc	process
File created	C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe	RFQ 1107052020.exe
File opened for modification	C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe	RFQ 1107052020.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

1976 schtasks.exe
1176 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RFQ 1107052020.exeRFQ 1107052020.exe

pid process

756 RFQ 1107052020.exe
1668 RFQ 1107052020.exe
1668 RFQ 1107052020.exe
1668 RFQ 1107052020.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RFQ 1107052020.exe

pid process

1668 RFQ 1107052020.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ 1107052020.exeRFQ 1107052020.exe

description pid process

Token: SeDebugPrivilege 756 RFQ 1107052020.exe
Token: SeDebugPrivilege 1668 RFQ 1107052020.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RFQ 1107052020.exe

pid process

756 RFQ 1107052020.exe
756 RFQ 1107052020.exe

pid	process
1976	schtasks.exe
1176	schtasks.exe

pid	process
756	RFQ 1107052020.exe
1668	RFQ 1107052020.exe
1668	RFQ 1107052020.exe
1668	RFQ 1107052020.exe

pid	process
1668	RFQ 1107052020.exe

description	pid	process
Token: SeDebugPrivilege	756	RFQ 1107052020.exe
Token: SeDebugPrivilege	1668	RFQ 1107052020.exe

pid	process
756	RFQ 1107052020.exe
756	RFQ 1107052020.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

RFQ 1107052020.exeRFQ 1107052020.exe

description	pid	process	target process
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 756 wrote to memory of 1668	756	RFQ 1107052020.exe	RFQ 1107052020.exe
PID 1668 wrote to memory of 1176	1668	RFQ 1107052020.exe	schtasks.exe
PID 1668 wrote to memory of 1176	1668	RFQ 1107052020.exe	schtasks.exe
PID 1668 wrote to memory of 1176	1668	RFQ 1107052020.exe	schtasks.exe
PID 1668 wrote to memory of 1176	1668	RFQ 1107052020.exe	schtasks.exe
PID 1668 wrote to memory of 1976	1668	RFQ 1107052020.exe	schtasks.exe
PID 1668 wrote to memory of 1976	1668	RFQ 1107052020.exe	schtasks.exe
PID 1668 wrote to memory of 1976	1668	RFQ 1107052020.exe	schtasks.exe
PID 1668 wrote to memory of 1976	1668	RFQ 1107052020.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\RFQ 1107052020.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 1107052020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:756

C:\Users\Admin\AppData\Local\Temp\RFQ 1107052020.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:1668

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC0C0.tmp"
3⤵
- Creates scheduled task(s)
PID:1176

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC469.tmp"
3⤵
- Creates scheduled task(s)
PID:1976

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC0C0.tmp
MD5
fb80d0e19032b29c47d85d14f009fd97

SHA1
e1c6ce934402c7443cc1a923a15b99f3f734c915

SHA256
ae06bb533582078648bc61e560160bd222aa87ce0bf27eacd0988d04a3c34a97

SHA512
c0b5310625c03de2a15244324d8c5caf3cdebe7e53fd20c887285dce71e92249eb8a57997deaa6c2736ebeb9ff2d49ca21d3f8ef9aabe1fa947efc3c011767d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC469.tmp
MD5
41808f05a9aa523d0ef506d4993f1d6c

SHA1
5a228145decf63ebbbd673c9b7c08a86236a22d4

SHA256
f76bd5da395a725b5998efab9a5d3160657cf2d44a8be83fa24af6ba29acf731

SHA512
7cf71f8fd8dccaa8cf2c724afca3178be8b7a6e0cc6e4b44990e96413bd0dac8248e2bcfa1bb82da05efb6c4b46649722c20ce14cf4a44f1720e18732bd9246e

Download Submit
memory/668-46-0x000007FEF6AD0000-0x000007FEF6D4A000-memory.dmp

Filesize
2.5MB

Download
memory/1176-56-0x0000000000000000-mapping.dmp

Download
memory/1668-52-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1668-53-0x000000000041E792-mapping.dmp

Download
memory/1668-54-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1668-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1976-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads