njrat | e344064b9c7a3863c15f39a7c34ce583f0e0f822acce5483cc5d82475230ee7a

General

Target

456c297ee58a7d337360836ce73ac700N.exe
Size

184KB
MD5

456c297ee58a7d337360836ce73ac700
SHA1

87ee25a235e382dfa8b82cad086feb46575faeae
SHA256

e344064b9c7a3863c15f39a7c34ce583f0e0f822acce5483cc5d82475230ee7a
SHA512

15219d42d4fc01fb24cd84be725752d67a0da3183193ca7a52205202d5203bfe133345afe6b44f3a873f0f5b181e2b6616fb71bdcbb6a5675e32f90059fb776c
SSDEEP

3072:dBV4RZJjae2uEvCGh3w8XBiGr13Xaiao1v4xyML8J86X/:dH4vJjt2uEKGpw8XvIq1Ej6

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

31.215.173.15:5552

Mutex

84774431e5310e236d661db9ce8f427a

Attributes

reg_key
84774431e5310e236d661db9ce8f427a
splitter
|'|'|

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
2188	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\84774431e5310e236d661db9ce8f427a.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\84774431e5310e236d661db9ce8f427a.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2528	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\84774431e5310e236d661db9ce8f427a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\84774431e5310e236d661db9ce8f427a = "\"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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2528	1724	456c297ee58a7d337360836ce73ac700N.exe	30
PID 1724 wrote to memory of 2528	1724	456c297ee58a7d337360836ce73ac700N.exe	30
PID 1724 wrote to memory of 2528	1724	456c297ee58a7d337360836ce73ac700N.exe	30
PID 2528 wrote to memory of 2188	2528	server.exe	32
PID 2528 wrote to memory of 2188	2528	server.exe	32
PID 2528 wrote to memory of 2188	2528	server.exe	32

C:\Users\Admin\AppData\Local\Temp\456c297ee58a7d337360836ce73ac700N.exe
"C:\Users\Admin\AppData\Local\Temp\456c297ee58a7d337360836ce73ac700N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\system32\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
    PID:2188

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
184KB

MD5
456c297ee58a7d337360836ce73ac700

SHA1
87ee25a235e382dfa8b82cad086feb46575faeae

SHA256
e344064b9c7a3863c15f39a7c34ce583f0e0f822acce5483cc5d82475230ee7a

SHA512
15219d42d4fc01fb24cd84be725752d67a0da3183193ca7a52205202d5203bfe133345afe6b44f3a873f0f5b181e2b6616fb71bdcbb6a5675e32f90059fb776c

Download Submit
memory/1724-0-0x000007FEF601E000-0x000007FEF601F000-memory.dmp

Filesize
4KB

Download
memory/1724-1-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/1724-2-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/1724-3-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/1724-12-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-9-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-10-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-11-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-14-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-15-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads