njrat | 29c45a046d058cb7417e88bd109541046a2cba16c48c1bfc285d64e02822140d

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 03:51

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General

Target

JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Size

168KB
MD5

89aa5a0fda1879c30aa8dbe78a653f3e
SHA1

079e11025da691bf774aae682d949601edefb363
SHA256

29c45a046d058cb7417e88bd109541046a2cba16c48c1bfc285d64e02822140d
SHA512

f9fcaad2f544b56601cea90cca0203acfb8593a884edf55877a85202228b0f0061fbb26e13f96476f6e4f9aaa8a88dccf2fcee0f2f96de7a959792f5e382fbcf
SSDEEP

3072:kT/WaQrJW7KeX8GzEdkidNIxTdllPCWb6SuL5Hg8Jti8vWqitwLHvwFLOUp:kzWaQrJWKeX8iDid6TdUHnnv8

Score

10^/10

njrat 4월7일 evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

4월7일

guswns740.codns.com:5552

Mutex

d2abe5e9117deeb4eae4472e2992b74e

Attributes

reg_key
d2abe5e9117deeb4eae4472e2992b74e
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
2596	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2abe5e9117deeb4eae4472e2992b74e.exe	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2abe5e9117deeb4eae4472e2992b74e.exe	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\d2abe5e9117deeb4eae4472e2992b74e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe\" .."	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d2abe5e9117deeb4eae4472e2992b74e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe\" .."	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.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	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: 33	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
Token: SeIncBasePriorityPrivilege	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2596	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe	30
PID 2376 wrote to memory of 2596	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe	30
PID 2376 wrote to memory of 2596	2376	JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\system32\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe" "JaffaCakes118_89aa5a0fda1879c30aa8dbe78a653f3e.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:2596

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/2376-0-0x000007FEF682E000-0x000007FEF682F000-memory.dmp

Filesize
4KB

Download
memory/2376-2-0x0000000000B10000-0x0000000000B28000-memory.dmp

Filesize
96KB

Download
memory/2376-1-0x0000000000B80000-0x0000000000B94000-memory.dmp

Filesize
80KB

Download
memory/2376-3-0x0000000000B30000-0x0000000000B3E000-memory.dmp

Filesize
56KB

Download
memory/2376-4-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download
memory/2376-5-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2376-6-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2376-8-0x000007FEF6570000-0x000007FEF6F0D000-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