njrat | 7559e6ca8b77400f88bf4e67208a1c32570a670068eccae9e3d226cc5471bd47

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-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

84673a3ddd2ad4bf77244c35ef438782
SHA1

3e0f4433e026ade25d9d4d64641c7b710aa6da58
SHA256

2d373452dedac769b8f2ef99985f0c1fd21f4a5d45f45b9e301196da80223ec4
SHA512

78bce3e252e75dba48da695548ea20b370083ff516864d11b8e624a4309c1e6cc751b49135f975cfbada6d7cecee4cfe00e95ff8db2046019e4e52bfeba5c1c9
SSDEEP

384:6cqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZcZ2:930py6vhxaRpcnuH2

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
764	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-1-5-21-70482961-775596374-3727440602-1000\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
1724	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-1-5-21-70482961-775596374-3727440602-1000\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	googelline.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.MSIL.Disfa.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe
Token: 33	1724	googelline.exe
Token: SeIncBasePriorityPrivilege	1724	googelline.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 1724	4860	Trojan.MSIL.Disfa.exe	84
PID 4860 wrote to memory of 1724	4860	Trojan.MSIL.Disfa.exe	84
PID 4860 wrote to memory of 1724	4860	Trojan.MSIL.Disfa.exe	84
PID 1724 wrote to memory of 764	1724	googelline.exe	85
PID 1724 wrote to memory of 764	1724	googelline.exe	85
PID 1724 wrote to memory of 764	1724	googelline.exe	85

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:4860
- 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:1724
- - 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:764

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
84673a3ddd2ad4bf77244c35ef438782

SHA1
3e0f4433e026ade25d9d4d64641c7b710aa6da58

SHA256
2d373452dedac769b8f2ef99985f0c1fd21f4a5d45f45b9e301196da80223ec4

SHA512
78bce3e252e75dba48da695548ea20b370083ff516864d11b8e624a4309c1e6cc751b49135f975cfbada6d7cecee4cfe00e95ff8db2046019e4e52bfeba5c1c9

Download Submit
memory/1724-12-0x0000000075020000-0x00000000755D1000-memory.dmp

Filesize
5.7MB

Download
memory/1724-14-0x0000000075020000-0x00000000755D1000-memory.dmp

Filesize
5.7MB

Download
memory/1724-16-0x0000000075020000-0x00000000755D1000-memory.dmp

Filesize
5.7MB

Download
memory/4860-0-0x0000000075022000-0x0000000075023000-memory.dmp

Filesize
4KB

Download
memory/4860-1-0x0000000075020000-0x00000000755D1000-memory.dmp

Filesize
5.7MB

Download
memory/4860-2-0x0000000075020000-0x00000000755D1000-memory.dmp

Filesize
5.7MB

Download
memory/4860-13-0x0000000075020000-0x00000000755D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads