nanocore | 6c1116d45f7299f73363072e8795797b9927eb13635b746691714831ba188a07

General

Target

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe
Size

405KB
MD5

27b0bbbcfc777cf7245a2ae4f9d01b69
SHA1

7a7f499a9cb5994f1135cb5935c3f6843962f15f
SHA256

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf
SHA512

9c69b9c103517ac1b93b59b4ff550225b09cef212d02dab7834fa6c63d75f7e05dc3f5f2a67810a6a8e83acf56e9af9aac3105f9736665f4a063d85d852a9d9e
SSDEEP

12288:dnXcypamQ4HucawiYJPhjV1VxoMmwldE:NHuc9iW71VxXlu

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

williamscomputer101.ddns.net:16554

91.193.75.135:16554

Mutex

768970b2-01a6-4c33-a5ae-8582afdb6c49

Attributes

activate_away_mode
true
backup_connection_host
91.193.75.135
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-11-30T13:00:18.988692336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
16554
default_group
Billionare
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
768970b2-01a6-4c33-a5ae-8582afdb6c49
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
williamscomputer101.ddns.net
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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

aspnet_compiler.exepowershell.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SAAS Monitor = "C:\\Program Files (x86)\\SAAS Monitor\\saasmon.exe"	aspnet_compiler.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RZTHXHelper = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Recent\\RZTHX\\RZTHXHelper.exe"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe

description	pid	process	target process
PID 2116 set thread context of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe

Drops file in Program Files directory 2 IoCs

Processes:

aspnet_compiler.exe

description	ioc	process
File created	C:\Program Files (x86)\SAAS Monitor\saasmon.exe	aspnet_compiler.exe
File opened for modification	C:\Program Files (x86)\SAAS Monitor\saasmon.exe	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exeaspnet_compiler.exe

pid process

1964 powershell.exe
1964 powershell.exe
3560 aspnet_compiler.exe
3560 aspnet_compiler.exe
3560 aspnet_compiler.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

aspnet_compiler.exe

pid process

3560 aspnet_compiler.exe

pid	process
1964	powershell.exe
1964	powershell.exe
3560	aspnet_compiler.exe
3560	aspnet_compiler.exe
3560	aspnet_compiler.exe

pid	process
3560	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exefc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	1964	powershell.exe
Token: SeDebugPrivilege	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe
Token: SeDebugPrivilege	3560	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe

description	pid	process	target process
PID 2116 wrote to memory of 1964	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	powershell.exe
PID 2116 wrote to memory of 1964	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	powershell.exe
PID 2116 wrote to memory of 1964	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	powershell.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 2116 wrote to memory of 3560	2116	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe
"C:\Users\Admin\AppData\Local\Temp\fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'RZTHXHelper';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'RZTHXHelper' -Value '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RZTHX\RZTHXHelper.exe"' -PropertyType 'String'
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5cktjv0u.3zw.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1964-187-0x0000000070830000-0x000000007087C000-memory.dmp

Filesize
304KB

Download
memory/1964-186-0x00000000066E0000-0x0000000006712000-memory.dmp

Filesize
200KB

Download
memory/1964-208-0x0000000007790000-0x00000000077B2000-memory.dmp

Filesize
136KB

Download
memory/1964-207-0x0000000007750000-0x0000000007758000-memory.dmp

Filesize
32KB

Download
memory/1964-206-0x0000000007770000-0x000000000778A000-memory.dmp

Filesize
104KB

Download
memory/1964-205-0x0000000007660000-0x000000000766E000-memory.dmp

Filesize
56KB

Download
memory/1964-204-0x00000000076B0000-0x0000000007746000-memory.dmp

Filesize
600KB

Download
memory/1964-142-0x0000000002800000-0x0000000002836000-memory.dmp

Filesize
216KB

Download
memory/1964-143-0x00000000053B0000-0x00000000059D8000-memory.dmp

Filesize
6.2MB

Download
memory/1964-144-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1964-203-0x00000000074A0000-0x00000000074AA000-memory.dmp

Filesize
40KB

Download
memory/1964-146-0x0000000005260000-0x0000000005282000-memory.dmp

Filesize
136KB

Download
memory/1964-201-0x00000000067D0000-0x00000000067EA000-memory.dmp

Filesize
104KB

Download
memory/1964-200-0x0000000007B10000-0x000000000818A000-memory.dmp

Filesize
6.5MB

Download
memory/1964-153-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/1964-158-0x0000000006130000-0x000000000614E000-memory.dmp

Filesize
120KB

Download
memory/1964-197-0x00000000066C0000-0x00000000066DE000-memory.dmp

Filesize
120KB

Download
memory/1964-179-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1964-147-0x0000000005A50000-0x0000000005AB6000-memory.dmp

Filesize
408KB

Download
memory/1964-145-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/2116-172-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-170-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-162-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-133-0x0000000000440000-0x00000000004A6000-memory.dmp

Filesize
408KB

Download
memory/2116-174-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-176-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-159-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-178-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-181-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-183-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-136-0x00000000076E0000-0x0000000007772000-memory.dmp

Filesize
584KB

Download
memory/2116-135-0x0000000007BF0000-0x0000000008194000-memory.dmp

Filesize
5.6MB

Download
memory/2116-134-0x00000000075A0000-0x000000000763C000-memory.dmp

Filesize
624KB

Download
memory/2116-160-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-164-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-137-0x0000000007650000-0x000000000765A000-memory.dmp

Filesize
40KB

Download
memory/2116-168-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-166-0x0000000007AA0000-0x0000000007AB5000-memory.dmp

Filesize
84KB

Download
memory/2116-140-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/2116-139-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/2116-138-0x0000000007870000-0x00000000078C6000-memory.dmp

Filesize
344KB

Download
memory/3560-202-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/3560-211-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/3560-184-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads