njrat | 3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 03:01

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General

Target

1c859f47a0a557ffb5f5cf99df7291da.exe
Size

31KB
MD5

1c859f47a0a557ffb5f5cf99df7291da
SHA1

e1a336d13541e88cb7bc9788681ea729695f4bd8
SHA256

3354ea30764c04bd52141dbf6e91267430a4cdfd1036663aea735f31ff7560aa
SHA512

5f8daac1c3751578772adaa29b71e846881d1bee651ddb7e67af918c448ef3803c050fea4248fe19ca78517ea4ab6ff4bd3dae07f157de74f039c48330d0dd68
SSDEEP

768:6pMX3wpJbb2zxxO5+Oq3bisfv4BQmIDUu0tiS7Yj:fkKdisAQVkLMj

Score

10^/10

njrat backup discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

backup

103.253.73.222:711

Mutex

769a6d2f4d6310beb643add84c2c23fd

Attributes

reg_key
769a6d2f4d6310beb643add84c2c23fd
splitter
Y262SUCZ4UJJ

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
2484	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\769a6d2f4d6310beb643add84c2c23fd.exe	1c859f47a0a557ffb5f5cf99df7291da.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\769a6d2f4d6310beb643add84c2c23fd.exe	1c859f47a0a557ffb5f5cf99df7291da.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\769a6d2f4d6310beb643add84c2c23fd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1c859f47a0a557ffb5f5cf99df7291da.exe\" .."	1c859f47a0a557ffb5f5cf99df7291da.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\769a6d2f4d6310beb643add84c2c23fd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1c859f47a0a557ffb5f5cf99df7291da.exe\" .."	1c859f47a0a557ffb5f5cf99df7291da.exe

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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	1c859f47a0a557ffb5f5cf99df7291da.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: 33	2108	1c859f47a0a557ffb5f5cf99df7291da.exe
Token: SeIncBasePriorityPrivilege	2108	1c859f47a0a557ffb5f5cf99df7291da.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2484	2108	1c859f47a0a557ffb5f5cf99df7291da.exe	31
PID 2108 wrote to memory of 2484	2108	1c859f47a0a557ffb5f5cf99df7291da.exe	31
PID 2108 wrote to memory of 2484	2108	1c859f47a0a557ffb5f5cf99df7291da.exe	31
PID 2108 wrote to memory of 2484	2108	1c859f47a0a557ffb5f5cf99df7291da.exe	31

C:\Users\Admin\AppData\Local\Temp\1c859f47a0a557ffb5f5cf99df7291da.exe
"C:\Users\Admin\AppData\Local\Temp\1c859f47a0a557ffb5f5cf99df7291da.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1c859f47a0a557ffb5f5cf99df7291da.exe" "1c859f47a0a557ffb5f5cf99df7291da.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2484

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2108-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2108-1-0x0000000001300000-0x000000000130E000-memory.dmp

Filesize
56KB

Download
memory/2108-3-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2108-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2108-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads