njrat | 8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/11/2024, 02:03

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General

Target

8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Size

23KB
MD5

d1f939cf0e73184cc55b1613f8f714d3
SHA1

6029e0e38bb55c8cecd5addbf2b97dd1b873a047
SHA256

8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc
SHA512

de4f17b6af6bf4f954e3e2c6ab397cd36a380d0fe8a9d9503bbded614827292f65093fb38d446a59244c658b34fb9bcc3a28e975ea3fe3f7a34397462d81bf71
SSDEEP

384:5cqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZ4G:q30py6vhxaRpcnuk

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
792	netsh.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
2	0.tcp.sa.ngrok.io
20	0.tcp.sa.ngrok.io
38	0.tcp.sa.ngrok.io

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: 33	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
Token: SeIncBasePriorityPrivilege	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 792	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe	31
PID 2592 wrote to memory of 792	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe	31
PID 2592 wrote to memory of 792	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe	31
PID 2592 wrote to memory of 792	2592	8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe	31

C:\Users\Admin\AppData\Local\Temp\8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe
"C:\Users\Admin\AppData\Local\Temp\8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe" "8f4045c3361edc62e06bd54604a4386699d032d854713dec6948b2e9cc7cf8bc.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/2592-0-0x0000000074E71000-0x0000000074E72000-memory.dmp

Filesize
4KB

Download
memory/2592-1-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2592-2-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2592-3-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2592-4-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads