njrat | 17ecfe8188074fedb16f3b5185ecb5af63ebff552a47c26544b52ed5e9ac7827

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 03:26

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General

Target

JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Size

240KB
MD5

88a24d4f65891f29c3b494787d3e840d
SHA1

ef4465bab7d07c5ff2ecc8597971d194ebe46b27
SHA256

17ecfe8188074fedb16f3b5185ecb5af63ebff552a47c26544b52ed5e9ac7827
SHA512

5e3179a5305762c67f6dbcfc2a0f264f8ff1c095bad8ca8490610113332212bca2b4118f5a35a1db909d5c8881e43efbb1f761115f66b209a73ebd30d02d894d
SSDEEP

3072:4meSGmFf5xcgKFrcT4MQ+AxrzexiRyVhGzWrp7zSXxTdllPCWb6SuL5Hg8Jti8v7:4+GmB7YFrSC3QsRyVhGzWrp7mhTdUHn

Score

10^/10

njrat 거래 evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

거래

gpemtit123.kro.kr:1234

Mutex

b291ea2cd036a5d9e56147750b07fc8d

Attributes

reg_key
b291ea2cd036a5d9e56147750b07fc8d
splitter
|'|'|

Signatures

Njrat family
njrat
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
2692	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b291ea2cd036a5d9e56147750b07fc8d.exe	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b291ea2cd036a5d9e56147750b07fc8d.exe	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.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\b291ea2cd036a5d9e56147750b07fc8d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe\" .."	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b291ea2cd036a5d9e56147750b07fc8d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe\" .."	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.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 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 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: 33	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2692	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe	31
PID 2672 wrote to memory of 2692	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe	31
PID 2672 wrote to memory of 2692	2672	JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\system32\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe" "JaffaCakes118_88a24d4f65891f29c3b494787d3e840d.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:2692

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2672-0-0x000007FEF54CE000-0x000007FEF54CF000-memory.dmp

Filesize
4KB

Download
memory/2672-1-0x0000000000480000-0x0000000000494000-memory.dmp

Filesize
80KB

Download
memory/2672-2-0x0000000000690000-0x00000000006C8000-memory.dmp

Filesize
224KB

Download
memory/2672-7-0x000000001AE50000-0x000000001AE6C000-memory.dmp

Filesize
112KB

Download
memory/2672-8-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/2672-6-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2672-5-0x000000001AE30000-0x000000001AE52000-memory.dmp

Filesize
136KB

Download
memory/2672-4-0x0000000000900000-0x000000000092A000-memory.dmp

Filesize
168KB

Download
memory/2672-3-0x00000000008D0000-0x0000000000902000-memory.dmp

Filesize
200KB

Download
memory/2672-9-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2672-11-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2672-12-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2672-13-0x000007FEF54CE000-0x000007FEF54CF000-memory.dmp

Filesize
4KB

Download
memory/2672-14-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2672-15-0x000007FEF5210000-0x000007FEF5BAD000-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