njrat | 8e52ba8956d643c96cdeb75c43492302cf710a3d2acc852442930dedbe9ea1bb

Analysis

max time kernel
149s
max time network
152s
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, 06:18

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General

Target

ea412d4c422e5c43fa4cd8547ef5a41c.exe
Size

23KB
MD5

ea412d4c422e5c43fa4cd8547ef5a41c
SHA1

bcf0bc385596039ad6677ec5836147189c074ece
SHA256

80d5dc010b47f1fcfa209a514a47728635cebe108da7e6fd7c670a74a5d1e846
SHA512

2bf18956fe28301c964b6e6c2c5b69aefef6b3d5c056f5d8b36c04824572aca94534ce487d9ada3f001348eb24b44f182e958176cd1f27b94652dbd492de2939
SSDEEP

384:uoWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIl:h7O89p2rRpcnu/

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
6008	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	ea412d4c422e5c43fa4cd8547ef5a41c.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\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea412d4c422e5c43fa4cd8547ef5a41c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.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 5556 wrote to memory of 4792	5556	ea412d4c422e5c43fa4cd8547ef5a41c.exe	95
PID 5556 wrote to memory of 4792	5556	ea412d4c422e5c43fa4cd8547ef5a41c.exe	95
PID 5556 wrote to memory of 4792	5556	ea412d4c422e5c43fa4cd8547ef5a41c.exe	95
PID 4792 wrote to memory of 6008	4792	server.exe	98
PID 4792 wrote to memory of 6008	4792	server.exe	98
PID 4792 wrote to memory of 6008	4792	server.exe	98

C:\Users\Admin\AppData\Local\Temp\ea412d4c422e5c43fa4cd8547ef5a41c.exe
"C:\Users\Admin\AppData\Local\Temp\ea412d4c422e5c43fa4cd8547ef5a41c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5556
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - 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:6008

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
ea412d4c422e5c43fa4cd8547ef5a41c

SHA1
bcf0bc385596039ad6677ec5836147189c074ece

SHA256
80d5dc010b47f1fcfa209a514a47728635cebe108da7e6fd7c670a74a5d1e846

SHA512
2bf18956fe28301c964b6e6c2c5b69aefef6b3d5c056f5d8b36c04824572aca94534ce487d9ada3f001348eb24b44f182e958176cd1f27b94652dbd492de2939

Download Submit
memory/4792-12-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4792-14-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4792-15-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/4792-16-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/5556-0-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/5556-1-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/5556-2-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/5556-13-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads