njrat | b8c5e2c8477706f3f54e152443718dcec270889002289aa1730eabc5ba3f312f

Analysis

max time kernel
149s
max time network
156s
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, 06:09

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General

Target

277de6643cae0dcc918de5342ba5f386.exe
Size

23KB
MD5

277de6643cae0dcc918de5342ba5f386
SHA1

21ea2be08f0383e17920bc69e0ca8093e736f6ce
SHA256

034571fe3806bfc17dba77d5b97ee76375df0989a4462f72d79287b7231dd040
SHA512

ad17ff0df3b8d13dc17752ed4e7d66ff69a8d52207b0b6c860a4ec0cdaeeb775fc69bac4c5f27d8f89f48a96d0598420cd45149edb3ac10eb578f2299da41f5e
SSDEEP

384:/AQ+SAN7uprgvM5OSUswZXg6rgbm4hfpFmRvR6JZlbw8hqIusZzZVb:vOaxVUxRpcnue

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
4860	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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	277de6643cae0dcc918de5342ba5f386.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ccf4ee47554289234f96881f6819ddb.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6ccf4ee47554289234f96881f6819ddb.exe	System.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	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	277de6643cae0dcc918de5342ba5f386.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	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe
Token: 33	2396	System.exe
Token: SeIncBasePriorityPrivilege	2396	System.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2396	1180	277de6643cae0dcc918de5342ba5f386.exe	90
PID 1180 wrote to memory of 2396	1180	277de6643cae0dcc918de5342ba5f386.exe	90
PID 1180 wrote to memory of 2396	1180	277de6643cae0dcc918de5342ba5f386.exe	90
PID 2396 wrote to memory of 4860	2396	System.exe	91
PID 2396 wrote to memory of 4860	2396	System.exe	91
PID 2396 wrote to memory of 4860	2396	System.exe	91

C:\Users\Admin\AppData\Local\Temp\277de6643cae0dcc918de5342ba5f386.exe
"C:\Users\Admin\AppData\Local\Temp\277de6643cae0dcc918de5342ba5f386.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Roaming\System.exe
  "C:\Users\Admin\AppData\Roaming\System.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4860

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

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\Roaming\System.exe

Filesize
23KB

MD5
277de6643cae0dcc918de5342ba5f386

SHA1
21ea2be08f0383e17920bc69e0ca8093e736f6ce

SHA256
034571fe3806bfc17dba77d5b97ee76375df0989a4462f72d79287b7231dd040

SHA512
ad17ff0df3b8d13dc17752ed4e7d66ff69a8d52207b0b6c860a4ec0cdaeeb775fc69bac4c5f27d8f89f48a96d0598420cd45149edb3ac10eb578f2299da41f5e

Download Submit
memory/1180-0-0x00000000753D2000-0x00000000753D3000-memory.dmp

Filesize
4KB

Download
memory/1180-1-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/1180-2-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/1180-13-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/2396-12-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/2396-14-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/2396-15-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/2396-17-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/2396-18-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads