njrat | 5e5d5458b8a025c2bc9a6e7998492989732967c9a1019b11d655200adf3686c7

Analysis

max time kernel
149s
max time network
131s
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, 06:13

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General

Target

82eb00f02e7f035adb6a08912ec1b957.exe
Size

23KB
MD5

82eb00f02e7f035adb6a08912ec1b957
SHA1

d2294c34098d10dfe623c6db5be71077fb803c2d
SHA256

054388334d4d0d9fa1e45e259880b2b5874379351f664bc6d4b130fe44ec122d
SHA512

dcf9df9cadc79ff2fcfce17605fb669cec5cc58ea5bfddd5446d05a169bf57e6a8ffb6149086be7953337a12849205f56aec7c72e0b457bdf70093ac0f86d1e2
SSDEEP

384:fwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZB+v:0TbC81NgRpcnuJ

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
4588	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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	82eb00f02e7f035adb6a08912ec1b957.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1579703444a5d397a491c60a5505be31.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1579703444a5d397a491c60a5505be31.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
4792	server.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\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1579703444a5d397a491c60a5505be31 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1579703444a5d397a491c60a5505be31 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	82eb00f02e7f035adb6a08912ec1b957.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe
Token: 33	4792	server.exe
Token: SeIncBasePriorityPrivilege	4792	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5592 wrote to memory of 4792	5592	82eb00f02e7f035adb6a08912ec1b957.exe	87
PID 5592 wrote to memory of 4792	5592	82eb00f02e7f035adb6a08912ec1b957.exe	87
PID 5592 wrote to memory of 4792	5592	82eb00f02e7f035adb6a08912ec1b957.exe	87
PID 4792 wrote to memory of 4588	4792	server.exe	90
PID 4792 wrote to memory of 4588	4792	server.exe	90
PID 4792 wrote to memory of 4588	4792	server.exe	90

C:\Users\Admin\AppData\Local\Temp\82eb00f02e7f035adb6a08912ec1b957.exe
"C:\Users\Admin\AppData\Local\Temp\82eb00f02e7f035adb6a08912ec1b957.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5592
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.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:4792
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4588

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\server.exe

Filesize
23KB

MD5
82eb00f02e7f035adb6a08912ec1b957

SHA1
d2294c34098d10dfe623c6db5be71077fb803c2d

SHA256
054388334d4d0d9fa1e45e259880b2b5874379351f664bc6d4b130fe44ec122d

SHA512
dcf9df9cadc79ff2fcfce17605fb669cec5cc58ea5bfddd5446d05a169bf57e6a8ffb6149086be7953337a12849205f56aec7c72e0b457bdf70093ac0f86d1e2

Download Submit
memory/4792-14-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/4792-15-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/4792-12-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/4792-17-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/4792-18-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/5592-0-0x0000000075042000-0x0000000075043000-memory.dmp

Filesize
4KB

Download
memory/5592-1-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/5592-2-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download
memory/5592-13-0x0000000075040000-0x00000000755F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads