njrat | eb4e6ffba85b3a2e98e9d4b8b1ab1c6352b86f02dc68d92fa0f0a621f909d233

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 18:22

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General

Target

JaffaCakes118_6e952587cc76725c0299444069441090.exe
Size

197KB
MD5

6e952587cc76725c0299444069441090
SHA1

f90514062d21f3ead28b5f5fef1773664c303ebc
SHA256

eb4e6ffba85b3a2e98e9d4b8b1ab1c6352b86f02dc68d92fa0f0a621f909d233
SHA512

0b80492f54722c6b7e162dddd2bd968b7a054095e0f3a487a14fc7c27a67a81974d697a8ca45010019548e0fc776f7a3ab58b8a5cb9c915e80c54b431edeffd2
SSDEEP

6144:U+29INo8x9VbEjqv1vqRpnUHCiNC++mD:U+2IosxUqv6plqP+u

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2292	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6e952587cc76725c0299444069441090.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\adc4fbd8246d425c9e29c4d875a7d447.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\adc4fbd8246d425c9e29c4d875a7d447.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\adc4fbd8246d425c9e29c4d875a7d447 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adc4fbd8246d425c9e29c4d875a7d447 = "\"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\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e952587cc76725c0299444069441090.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeDebugPrivilege	4316	JaffaCakes118_6e952587cc76725c0299444069441090.exe
Token: 33	4316	JaffaCakes118_6e952587cc76725c0299444069441090.exe
Token: SeIncBasePriorityPrivilege	4316	JaffaCakes118_6e952587cc76725c0299444069441090.exe
Token: SeDebugPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 3032	4316	JaffaCakes118_6e952587cc76725c0299444069441090.exe	90
PID 4316 wrote to memory of 3032	4316	JaffaCakes118_6e952587cc76725c0299444069441090.exe	90
PID 4316 wrote to memory of 3032	4316	JaffaCakes118_6e952587cc76725c0299444069441090.exe	90
PID 3032 wrote to memory of 2292	3032	server.exe	97
PID 3032 wrote to memory of 2292	3032	server.exe	97
PID 3032 wrote to memory of 2292	3032	server.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e952587cc76725c0299444069441090.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e952587cc76725c0299444069441090.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4316
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\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
    - System Location Discovery: System Language Discovery
    PID:2292

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
197KB

MD5
6e952587cc76725c0299444069441090

SHA1
f90514062d21f3ead28b5f5fef1773664c303ebc

SHA256
eb4e6ffba85b3a2e98e9d4b8b1ab1c6352b86f02dc68d92fa0f0a621f909d233

SHA512
0b80492f54722c6b7e162dddd2bd968b7a054095e0f3a487a14fc7c27a67a81974d697a8ca45010019548e0fc776f7a3ab58b8a5cb9c915e80c54b431edeffd2

Download Submit
memory/3032-15-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3032-17-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3032-19-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3032-20-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/3032-21-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/4316-0-0x0000000074C92000-0x0000000074C93000-memory.dmp

Filesize
4KB

Download
memory/4316-1-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/4316-2-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download
memory/4316-16-0x0000000074C90000-0x0000000075241000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads