njrat | bd3ef02621b16846e829e9d7274553abfdeb189153a881c15b70f6e3b2f4ee8f

Resubmissions

07/02/2025, 12:37

250207-ptt65aslak 10

07/02/2025, 12:34

250207-prwl6sskak 10

07/02/2025, 12:31

250207-pqgfvssjcp 10

Analysis

max time kernel
123s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07/02/2025, 12:31

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Report Analysis Logs

General

Target

Payload.exe
Size

83KB
MD5

534f369ccf6412aedd991e525a1e72ff
SHA1

7ac06b4a71634ea87c47aa4d95debaea98728d59
SHA256

bd3ef02621b16846e829e9d7274553abfdeb189153a881c15b70f6e3b2f4ee8f
SHA512

fab8374a454d0cfe7b48439fb84337216056124889d8f882007fec18555cf97c96bbcbedaf59c3b56f25198c5dc00c7d0427f8fe72875c57538c54fdec7eb281
SSDEEP

1536:7eB1Gt0g5eEkG9WQcGDWX3xIEpmugSgytVlVqKu0UxYy0hAc:o1GtR1kG9WQnDWX3xIEpmsLRVqKnUxXB

Score

10^/10

njrat victim defense_evasion discovery execution persistence trojan

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

staff-tunisia.gl.at.ply.gg:47744

Mutex

3deffefe0e2775360ccb15d96c6aeb42

Attributes

reg_key
3deffefe0e2775360ccb15d96c6aeb42
splitter
Y262SUCZ4UJJ

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3deffefe0e2775360ccb15d96c6aeb42.exe	dllhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3deffefe0e2775360ccb15d96c6aeb42.exe	dllhost.exe

Executes dropped EXE 3 IoCs

pid	Process
1040	dllhost.exe
1988	dllhost.exe
1808	dllhost.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	Payload.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\3deffefe0e2775360ccb15d96c6aeb42 = "\"C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe\" .."	dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3deffefe0e2775360ccb15d96c6aeb42 = "\"C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe\" .."	dllhost.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3024	powershell.exe

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2804	sc.exe
2628	sc.exe
2708	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 15 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3024	powershell.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe
1040	dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1040	dllhost.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	powershell.exe
Token: SeDebugPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe
Token: 33	1040	dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	dllhost.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1040	2236	Payload.exe	29
PID 2236 wrote to memory of 1040	2236	Payload.exe	29
PID 2236 wrote to memory of 1040	2236	Payload.exe	29
PID 2236 wrote to memory of 1040	2236	Payload.exe	29
PID 1040 wrote to memory of 2900	1040	dllhost.exe	30
PID 1040 wrote to memory of 2900	1040	dllhost.exe	30
PID 1040 wrote to memory of 2900	1040	dllhost.exe	30
PID 1040 wrote to memory of 2900	1040	dllhost.exe	30
PID 1040 wrote to memory of 2836	1040	dllhost.exe	32
PID 1040 wrote to memory of 2836	1040	dllhost.exe	32
PID 1040 wrote to memory of 2836	1040	dllhost.exe	32
PID 1040 wrote to memory of 2836	1040	dllhost.exe	32
PID 2836 wrote to memory of 3024	2836	cmd.exe	34
PID 2836 wrote to memory of 3024	2836	cmd.exe	34
PID 2836 wrote to memory of 3024	2836	cmd.exe	34
PID 2836 wrote to memory of 3024	2836	cmd.exe	34
PID 1040 wrote to memory of 2656	1040	dllhost.exe	35
PID 1040 wrote to memory of 2656	1040	dllhost.exe	35
PID 1040 wrote to memory of 2656	1040	dllhost.exe	35
PID 1040 wrote to memory of 2656	1040	dllhost.exe	35
PID 2656 wrote to memory of 2804	2656	cmd.exe	37
PID 2656 wrote to memory of 2804	2656	cmd.exe	37
PID 2656 wrote to memory of 2804	2656	cmd.exe	37
PID 2656 wrote to memory of 2804	2656	cmd.exe	37
PID 1040 wrote to memory of 2744	1040	dllhost.exe	38
PID 1040 wrote to memory of 2744	1040	dllhost.exe	38
PID 1040 wrote to memory of 2744	1040	dllhost.exe	38
PID 1040 wrote to memory of 2744	1040	dllhost.exe	38
PID 2744 wrote to memory of 2628	2744	cmd.exe	40
PID 2744 wrote to memory of 2628	2744	cmd.exe	40
PID 2744 wrote to memory of 2628	2744	cmd.exe	40
PID 2744 wrote to memory of 2628	2744	cmd.exe	40
PID 1040 wrote to memory of 2652	1040	dllhost.exe	41
PID 1040 wrote to memory of 2652	1040	dllhost.exe	41
PID 1040 wrote to memory of 2652	1040	dllhost.exe	41
PID 1040 wrote to memory of 2652	1040	dllhost.exe	41
PID 2652 wrote to memory of 2708	2652	cmd.exe	43
PID 2652 wrote to memory of 2708	2652	cmd.exe	43
PID 2652 wrote to memory of 2708	2652	cmd.exe	43
PID 2652 wrote to memory of 2708	2652	cmd.exe	43
PID 1040 wrote to memory of 2476	1040	dllhost.exe	44
PID 1040 wrote to memory of 2476	1040	dllhost.exe	44
PID 1040 wrote to memory of 2476	1040	dllhost.exe	44
PID 1040 wrote to memory of 2476	1040	dllhost.exe	44
PID 1040 wrote to memory of 1376	1040	dllhost.exe	46
PID 1040 wrote to memory of 1376	1040	dllhost.exe	46
PID 1040 wrote to memory of 1376	1040	dllhost.exe	46
PID 1040 wrote to memory of 1376	1040	dllhost.exe	46
PID 1476 wrote to memory of 1988	1476	taskeng.exe	50
PID 1476 wrote to memory of 1988	1476	taskeng.exe	50
PID 1476 wrote to memory of 1988	1476	taskeng.exe	50
PID 1476 wrote to memory of 1988	1476	taskeng.exe	50
PID 1476 wrote to memory of 1808	1476	taskeng.exe	51
PID 1476 wrote to memory of 1808	1476	taskeng.exe	51
PID 1476 wrote to memory of 1808	1476	taskeng.exe	51
PID 1476 wrote to memory of 1808	1476	taskeng.exe	51

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2900	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Roaming\dllhost.exe
  "C:\Users\Admin\AppData\Roaming\dllhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Users\Admin\AppData\Roaming\dllhost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2900
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Set-MpPreference -DisableRealtimeMonitoring $true
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3024
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc query windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2656
  - - C:\Windows\SysWOW64\sc.exe
      sc query windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc stop windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - C:\Windows\SysWOW64\sc.exe
      sc stop windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2628
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc delete windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2652
  - - C:\Windows\SysWOW64\sc.exe
      sc delete windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2708
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn CleanSweepCheck /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2476
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn CleanSweepCheck /tr C:\Users\Admin\AppData\Roaming\dllhost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1376

C:\Windows\system32\taskeng.exe
taskeng.exe {4EB6D48C-0090-4C6A-A786-796AC2302516} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Roaming\dllhost.exe
  C:\Users\Admin\AppData\Roaming\dllhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1988
- C:\Users\Admin\AppData\Roaming\dllhost.exe
  C:\Users\Admin\AppData\Roaming\dllhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\dllhost.exe

Filesize
83KB

MD5
534f369ccf6412aedd991e525a1e72ff

SHA1
7ac06b4a71634ea87c47aa4d95debaea98728d59

SHA256
bd3ef02621b16846e829e9d7274553abfdeb189153a881c15b70f6e3b2f4ee8f

SHA512
fab8374a454d0cfe7b48439fb84337216056124889d8f882007fec18555cf97c96bbcbedaf59c3b56f25198c5dc00c7d0427f8fe72875c57538c54fdec7eb281

Download Submit
memory/1040-10-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/1040-12-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/1040-13-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-0-0x0000000074FF1000-0x0000000074FF2000-memory.dmp

Filesize
4KB

Download
memory/2236-1-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-2-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-11-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download