njrat | 976984abab10e51c769240073a4676474f038a297958d701c511b7341c43ff1b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 02:02

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General

Target

Server.exe
Size

2.0MB
MD5

a11ea48a16291ef389f12ccc22e67e88
SHA1

41511707e768cafe8ec24e86293cf402950032e7
SHA256

834e4180de12771498d1437d507dc196ff091d766cca56c2a5bca1e0a420cda1
SHA512

a54d59ca841833c90f970cb83954a866075536bac16e4ed80e391a1a97a8f3e26ac9279c1dd359991ae5d9cbf642718f347e6c2ccb90925e5615834a8635fb98
SSDEEP

24576:Ww6utzku3Pee3LZa+eU8XUNFiIqlcKYBFm4IROZx3:WeNkufp9wXUqRlcKeEROb

Score

10^/10

njrat evasion persistence 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
4396	netsh.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\70aa681887e710510fbc1fc2d2786a12 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\70aa681887e710510fbc1fc2d2786a12 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe
Token: 33	3428	Server.exe
Token: SeIncBasePriorityPrivilege	3428	Server.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 4396	3428	Server.exe	90
PID 3428 wrote to memory of 4396	3428	Server.exe	90
PID 3428 wrote to memory of 4396	3428	Server.exe	90

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:4396

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

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

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3428-0-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3428-1-0x0000000001C40000-0x0000000001C50000-memory.dmp

Filesize
64KB

Download
memory/3428-2-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3428-3-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3428-4-0x0000000001C40000-0x0000000001C50000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads