njrat | 16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9a

Analysis

max time kernel
150s
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
02-10-2024 23:19

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General

Target

16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe
Size

23KB
MD5

729a012fd89a474cd391f7f228146e70
SHA1

c8cdf2d137b3f72f3d6ae84335fbb925bbcb67e0
SHA256

16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9a
SHA512

7b8ff9a4b2c29401aad98b63089bb790459905ecf354bd3a101ad090d601587d73e20d72b2fa8f0a863eb22878772e812db945c6b79cdf2f6130dbca983aff93
SSDEEP

384:O9W/7X6YrGVIhIoN88oim4OszR46vg5Uhc2bOnimRvR6JZlbw8hqIusZzZRSi:HYkiDN4JERpcnuI

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
2096	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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\78ad4d6586800f53d998e03fcce6607b.exe	Process of Host for Tasks of Windows.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\78ad4d6586800f53d998e03fcce6607b.exe	Process of Host for Tasks of Windows.exe

Executes dropped EXE 1 IoCs

pid	Process
3624	Process of Host for Tasks of Windows.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\78ad4d6586800f53d998e03fcce6607b = "\"C:\\Users\\Admin\\Process of Host for Tasks of Windows.exe\" .."	Process of Host for Tasks of Windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\78ad4d6586800f53d998e03fcce6607b = "\"C:\\Users\\Admin\\Process of Host for Tasks of Windows.exe\" .."	Process of Host for Tasks of Windows.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	16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Process of Host for Tasks of Windows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe
Token: 33	3624	Process of Host for Tasks of Windows.exe
Token: SeIncBasePriorityPrivilege	3624	Process of Host for Tasks of Windows.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 3624	1104	16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe	94
PID 1104 wrote to memory of 3624	1104	16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe	94
PID 1104 wrote to memory of 3624	1104	16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe	94
PID 3624 wrote to memory of 2096	3624	Process of Host for Tasks of Windows.exe	98
PID 3624 wrote to memory of 2096	3624	Process of Host for Tasks of Windows.exe	98
PID 3624 wrote to memory of 2096	3624	Process of Host for Tasks of Windows.exe	98

C:\Users\Admin\AppData\Local\Temp\16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe
"C:\Users\Admin\AppData\Local\Temp\16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9aN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\Process of Host for Tasks of Windows.exe
  "C:\Users\Admin\Process of Host for Tasks of Windows.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:3624
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\Process of Host for Tasks of Windows.exe" "Process of Host for Tasks of Windows.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2096

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4404,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:8
1⤵
PID:4456

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\Process of Host for Tasks of Windows.exe

Filesize
23KB

MD5
729a012fd89a474cd391f7f228146e70

SHA1
c8cdf2d137b3f72f3d6ae84335fbb925bbcb67e0

SHA256
16d8c0cfac3c43e1d17313f4334e1bd2a70f5a6e5fc0988f6d6fbf7d0e81fa9a

SHA512
7b8ff9a4b2c29401aad98b63089bb790459905ecf354bd3a101ad090d601587d73e20d72b2fa8f0a863eb22878772e812db945c6b79cdf2f6130dbca983aff93

Download Submit
memory/1104-0-0x0000000074672000-0x0000000074673000-memory.dmp

Filesize
4KB

Download
memory/1104-1-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/1104-2-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/1104-22-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3624-23-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3624-21-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3624-24-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3624-26-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3624-27-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads