njrat | 952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab

General

Target

952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.exe
Size

23KB
MD5

e42c87e4e16c3b0619a13234b99e9e44
SHA1

655a0fae9b2cd51e31725cf966f89bea8c1c91d8
SHA256

952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab
SHA512

e7125f70390b85decb08ea0461e48508fea6a9a01593a197ba569e5e9491183e13e01dbdf6ba0f0189256bae4f5a0dbdb87473aa26773bd4e9a5c3f8389a9442
SSDEEP

384:swz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZJ+:XTbC81NgRpcnuT

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
3580	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\279d9875560cf85d9f3bc76b45479fdf.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\279d9875560cf85d9f3bc76b45479fdf.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\279d9875560cf85d9f3bc76b45479fdf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\279d9875560cf85d9f3bc76b45479fdf = "\"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	952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.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	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe
Token: 33	2564	server.exe
Token: SeIncBasePriorityPrivilege	2564	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 2564	1864	952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.exe	83
PID 1864 wrote to memory of 2564	1864	952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.exe	83
PID 1864 wrote to memory of 2564	1864	952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.exe	83
PID 2564 wrote to memory of 3580	2564	server.exe	84
PID 2564 wrote to memory of 3580	2564	server.exe	84
PID 2564 wrote to memory of 3580	2564	server.exe	84

C:\Users\Admin\AppData\Local\Temp\952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.exe
"C:\Users\Admin\AppData\Local\Temp\952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1864
- 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:2564
- - 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:3580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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
e42c87e4e16c3b0619a13234b99e9e44

SHA1
655a0fae9b2cd51e31725cf966f89bea8c1c91d8

SHA256
952ac15d63c149fe69bf8244baa71fea739ccb58a22e2cba83b01d6dbf688bab

SHA512
e7125f70390b85decb08ea0461e48508fea6a9a01593a197ba569e5e9491183e13e01dbdf6ba0f0189256bae4f5a0dbdb87473aa26773bd4e9a5c3f8389a9442

Download Submit
memory/1864-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/1864-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1864-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1864-13-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2564-12-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2564-14-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2564-16-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads