njrat | 0221de854c7ac6e62368fe0841dc50fd3d651194dfaf236ddcc6ab9c1216aef7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 19:04

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General

Target

f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe
Size

288KB
MD5

f6ab4bcb6d58db1b8cb081f3a47196f2
SHA1

3948d5a63bcf297da39d69a900dc2ae04301c0a5
SHA256

0221de854c7ac6e62368fe0841dc50fd3d651194dfaf236ddcc6ab9c1216aef7
SHA512

9b61b25a55a1b7654932e89647012c0318c755304dc4851cb2c9ca760e69216549fdd99e2d0945b1a2c2b8607081eb007de9d488da2f50e6f1c1afcfbaead9d6
SSDEEP

3072:sK4sgHov1esBm4fG1+051rO5UrpnMva1JzQgIurv/cM9tJ8Gt3UAtW9dDa26LNe7:d6y9BlfG007r8C/vR8WSD+43o9BA

Score

10^/10

njrat discovery evasion persistence privilege_escalation 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
4580	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.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	f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe
Token: 33	1888	installutil.exe
Token: SeIncBasePriorityPrivilege	1888	installutil.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 1888	3400	f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe	82
PID 3400 wrote to memory of 1888	3400	f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe	82
PID 3400 wrote to memory of 1888	3400	f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe	82
PID 1888 wrote to memory of 4580	1888	installutil.exe	88
PID 1888 wrote to memory of 4580	1888	installutil.exe	88
PID 1888 wrote to memory of 4580	1888	installutil.exe	88

C:\Users\Admin\AppData\Local\Temp\f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\f6ab4bcb6d58db1b8cb081f3a47196f2_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" "installutil.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

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

memory/1888-5-0x0000000075470000-0x000000007550B000-memory.dmp

Filesize
620KB

Download
memory/1888-6-0x0000000075470000-0x000000007550B000-memory.dmp

Filesize
620KB

Download
memory/1888-7-0x0000000075470000-0x000000007550B000-memory.dmp

Filesize
620KB

Download
memory/3400-0-0x0000000075472000-0x0000000075473000-memory.dmp

Filesize
4KB

Download
memory/3400-1-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3400-2-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3400-4-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads