njrat | 7559e6ca8b77400f88bf4e67208a1c32570a670068eccae9e3d226cc5471bd47

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2025 18:35

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General

Target

bazaar.2020.02/Trojan.MSIL.Disfa.exe
Size

23KB
MD5

fbcf24e9b288280176263603acbd3ec9
SHA1

4baa33fab2e94a78a95004609e00afc500ae3997
SHA256

18c601f2c857a8fc639396cc131bde47b16c0bca95ea7f2ca78f7020adc77b8b
SHA512

c6e39ed16bdd31b376e8c908e444047145df75d7c0e0b56c5c0357eb4087ca651bef8d64b2a279e6ef7114c4e10ba59061321e54af29ed7394c70230a39592ca
SSDEEP

384:8cqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZcZ+:b30py6vhxaRpcnuH+

Score

10^/10

njrat defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2952	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Trojan.MSIL.Disfa.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9d69fd371d1748841c380221ed6bddf5.exe	googelline.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9d69fd371d1748841c380221ed6bddf5.exe	googelline.exe

Executes dropped EXE 1 IoCs

pid	Process
1596	googelline.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9d69fd371d1748841c380221ed6bddf5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\googelline.exe\" .."	googelline.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9d69fd371d1748841c380221ed6bddf5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\googelline.exe\" .."	googelline.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	Trojan.MSIL.Disfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	googelline.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe
Token: 33	1596	googelline.exe
Token: SeIncBasePriorityPrivilege	1596	googelline.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1596	2504	Trojan.MSIL.Disfa.exe	81
PID 2504 wrote to memory of 1596	2504	Trojan.MSIL.Disfa.exe	81
PID 2504 wrote to memory of 1596	2504	Trojan.MSIL.Disfa.exe	81
PID 1596 wrote to memory of 2952	1596	googelline.exe	86
PID 1596 wrote to memory of 2952	1596	googelline.exe	86
PID 1596 wrote to memory of 2952	1596	googelline.exe	86

C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Trojan.MSIL.Disfa.exe
"C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Trojan.MSIL.Disfa.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\googelline.exe
  "C:\Users\Admin\AppData\Local\Temp\googelline.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:1596
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\googelline.exe" "googelline.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2952

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\googelline.exe

Filesize
23KB

MD5
fbcf24e9b288280176263603acbd3ec9

SHA1
4baa33fab2e94a78a95004609e00afc500ae3997

SHA256
18c601f2c857a8fc639396cc131bde47b16c0bca95ea7f2ca78f7020adc77b8b

SHA512
c6e39ed16bdd31b376e8c908e444047145df75d7c0e0b56c5c0357eb4087ca651bef8d64b2a279e6ef7114c4e10ba59061321e54af29ed7394c70230a39592ca

Download Submit
memory/1596-14-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/1596-12-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/1596-15-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/1596-17-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/1596-18-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/2504-0-0x0000000075402000-0x0000000075403000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/2504-2-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/2504-13-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads