njrat | e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091

General

Target

e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe
Size

30KB
MD5

e1ff8a950e60f3e59c8da8ca07b14fa2
SHA1

04c37f343edaddd375b0c8b518d5debdc95c9d9f
SHA256

e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091
SHA512

b022a7f20741db6913be4ca6da55875bfb03ab9af570521084d8ef31839e6e96bc2b13c7e132673044b5ea2634b6a5e069160726881073f32240982cfc99b523
SSDEEP

384:k+N9Uac4mTln3cUY5xiJ9AmWJQl45HkKeBkqoxVdZww8gJpCrglPE2CqhzOMvlNg:UTY5E9Azddeloxew8NrUPBa6IbTTrvca

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
2948	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2380	btv.exe

Loads dropped DLL 1 IoCs

pid	Process
2308	e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\a13af3af2e3146fc22837ed4c637802b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\btv.exe\" .."	btv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a13af3af2e3146fc22837ed4c637802b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\btv.exe\" .."	btv.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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe
2380	btv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	btv.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2380	2308	e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe	30
PID 2308 wrote to memory of 2380	2308	e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe	30
PID 2308 wrote to memory of 2380	2308	e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe	30
PID 2308 wrote to memory of 2380	2308	e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe	30
PID 2380 wrote to memory of 2948	2380	btv.exe	31
PID 2380 wrote to memory of 2948	2380	btv.exe	31
PID 2380 wrote to memory of 2948	2380	btv.exe	31
PID 2380 wrote to memory of 2948	2380	btv.exe	31

C:\Users\Admin\AppData\Local\Temp\e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe
"C:\Users\Admin\AppData\Local\Temp\e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\btv.exe
  "C:\Users\Admin\AppData\Local\Temp\btv.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\btv.exe" "btv.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\btv.exe

Filesize
30KB

MD5
e1ff8a950e60f3e59c8da8ca07b14fa2

SHA1
04c37f343edaddd375b0c8b518d5debdc95c9d9f

SHA256
e44c73130809e46bc65bfcb4108eeab09cc8af9a9d45eedd271e3e955302f091

SHA512
b022a7f20741db6913be4ca6da55875bfb03ab9af570521084d8ef31839e6e96bc2b13c7e132673044b5ea2634b6a5e069160726881073f32240982cfc99b523

Download Submit
memory/2308-0-0x0000000074931000-0x0000000074932000-memory.dmp

Filesize
4KB

Download
memory/2308-1-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2308-2-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2308-12-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2380-10-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2380-13-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2380-11-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download
memory/2380-14-0x0000000074930000-0x0000000074EDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads