njrat | 249f9bd035685660ae45fc4138334e744c30ce7e1038c140a98529b90c4270c5

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:17

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General

Target

deb9b3528e54334bf14621892e130791.exe
Size

23KB
MD5

deb9b3528e54334bf14621892e130791
SHA1

d8f57df629888b00a305d5bc366006c0ea16fddb
SHA256

42fe0ff2703f14ea1053a3807a6ea6f91756e092acf684092c7f87c1f3077f79
SHA512

7a0e095b4ba47d0174ece98aa3c9fbefa2ba74b860a70684695aec4709b336006f499b6458badab27ca2fa8644e7eb0fd6404936c4d40fbe76f667ec53a15934
SSDEEP

384:kQ+ILgIbOprgPsUOSU0kB1kd6dg7GYh/JomRvR6JZlbw8hqIusZzZ2KL:3LL6MVU0NRpcnuqL

Score

10^/10

njrat defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4936	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	deb9b3528e54334bf14621892e130791.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7c8399d75b895f7dcec5e6e26c45acdd.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7c8399d75b895f7dcec5e6e26c45acdd.exe	system.exe

Executes dropped EXE 1 IoCs

pid	Process
4932	system.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7c8399d75b895f7dcec5e6e26c45acdd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7c8399d75b895f7dcec5e6e26c45acdd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe

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

System Information Discovery
T1082

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 3 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	deb9b3528e54334bf14621892e130791.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe
Token: 33	4932	system.exe
Token: SeIncBasePriorityPrivilege	4932	system.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 4932	876	deb9b3528e54334bf14621892e130791.exe	95
PID 876 wrote to memory of 4932	876	deb9b3528e54334bf14621892e130791.exe	95
PID 876 wrote to memory of 4932	876	deb9b3528e54334bf14621892e130791.exe	95
PID 4932 wrote to memory of 4936	4932	system.exe	98
PID 4932 wrote to memory of 4936	4932	system.exe	98
PID 4932 wrote to memory of 4936	4932	system.exe	98

C:\Users\Admin\AppData\Local\Temp\deb9b3528e54334bf14621892e130791.exe
"C:\Users\Admin\AppData\Local\Temp\deb9b3528e54334bf14621892e130791.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:876
- C:\Users\Admin\AppData\Local\Temp\system.exe
  "C:\Users\Admin\AppData\Local\Temp\system.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4932
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
23KB

MD5
deb9b3528e54334bf14621892e130791

SHA1
d8f57df629888b00a305d5bc366006c0ea16fddb

SHA256
42fe0ff2703f14ea1053a3807a6ea6f91756e092acf684092c7f87c1f3077f79

SHA512
7a0e095b4ba47d0174ece98aa3c9fbefa2ba74b860a70684695aec4709b336006f499b6458badab27ca2fa8644e7eb0fd6404936c4d40fbe76f667ec53a15934

Download Submit
memory/876-0-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/876-1-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/876-2-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/876-13-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-14-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-12-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4932-16-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads