njrat | 280fddec307e254eeec3dbdde416cdeb4dcb1bf3109a831c53a187416edee434

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2024, 16:17

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General

Target

Server.exe
Size

23KB
MD5

63bf598091ec7d9dfa446075842e7d19
SHA1

c21408023315cecbe6117890175a5becdc376753
SHA256

9c994437d4b772f582a23b71aa0450c9757f21d795e94f6615554a0c509df5c9
SHA512

3ec91c96577281daa1f655a2c58b7915830c5e0ee2b226c04707d31e25aa3de67a01dae9c9168fe2300e33b33baac07e327dcd02535295cb96a47da3ff6f2576
SSDEEP

384:f8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZbDlx:EXcwt3tRpcnuSn

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
2208	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\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe
Token: 33	2560	Server.exe
Token: SeIncBasePriorityPrivilege	2560	Server.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2208	2560	Server.exe	90
PID 2560 wrote to memory of 2208	2560	Server.exe	90
PID 2560 wrote to memory of 2208	2560	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:2560
- 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:2208

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/2560-0-0x0000000074622000-0x0000000074623000-memory.dmp

Filesize
4KB

Download
memory/2560-1-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2560-2-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2560-3-0x0000000074622000-0x0000000074623000-memory.dmp

Filesize
4KB

Download
memory/2560-4-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads