njrat | fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/02/2025, 13:21

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General

Target

fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe
Size

54KB
MD5

e66def5d8a7d114550620531f5bf9202
SHA1

496360134a398960bf1b999c5dd2836e206c370a
SHA256

fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be
SHA512

7a92375221e7c03582748bd6b6ba48c9f6f229b81ae5bc98c2fb2e136108b72d50624f70109a8f247c906702b2b094138942fe7dabadbfcbfcac7e4829086d0d
SSDEEP

768:A9XnkRB2EsltqfeQ9beH3S7LJSNExWQG35bmaePD5PvG2XXJdxIEpmyg6:A9stGtqGQsHIGWWQcGDFX3xIEpmyg6

Score

10^/10

njrat by aflaton defense_evasion discovery execution trojan

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

By AFlatoN

147.185.221.22:40639

Mutex

b2e31adf64af873c0fa30a8ea1b8e5b8

Attributes

reg_key
b2e31adf64af873c0fa30a8ea1b8e5b8
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

Executes dropped EXE 3 IoCs

pid	Process
2344	dllhost.exe
2940	dllhost.exe
3052	dllhost.exe

Loads dropped DLL 1 IoCs

pid	Process
1888	fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2168	powershell.exe

Launches sc.exe 3 IoCs

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

pid	Process
2656	sc.exe
2612	sc.exe
2684	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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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
2264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2168	powershell.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe
2344	dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2344	dllhost.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	powershell.exe
Token: SeDebugPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe
Token: 33	2344	dllhost.exe
Token: SeIncBasePriorityPrivilege	2344	dllhost.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 2344	1888	fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe	31
PID 1888 wrote to memory of 2344	1888	fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe	31
PID 1888 wrote to memory of 2344	1888	fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe	31
PID 1888 wrote to memory of 2344	1888	fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe	31
PID 2344 wrote to memory of 2836	2344	dllhost.exe	32
PID 2344 wrote to memory of 2836	2344	dllhost.exe	32
PID 2344 wrote to memory of 2836	2344	dllhost.exe	32
PID 2344 wrote to memory of 2836	2344	dllhost.exe	32
PID 2344 wrote to memory of 2236	2344	dllhost.exe	34
PID 2344 wrote to memory of 2236	2344	dllhost.exe	34
PID 2344 wrote to memory of 2236	2344	dllhost.exe	34
PID 2344 wrote to memory of 2236	2344	dllhost.exe	34
PID 2236 wrote to memory of 2168	2236	cmd.exe	36
PID 2236 wrote to memory of 2168	2236	cmd.exe	36
PID 2236 wrote to memory of 2168	2236	cmd.exe	36
PID 2236 wrote to memory of 2168	2236	cmd.exe	36
PID 2344 wrote to memory of 2904	2344	dllhost.exe	37
PID 2344 wrote to memory of 2904	2344	dllhost.exe	37
PID 2344 wrote to memory of 2904	2344	dllhost.exe	37
PID 2344 wrote to memory of 2904	2344	dllhost.exe	37
PID 2904 wrote to memory of 2656	2904	cmd.exe	39
PID 2904 wrote to memory of 2656	2904	cmd.exe	39
PID 2904 wrote to memory of 2656	2904	cmd.exe	39
PID 2904 wrote to memory of 2656	2904	cmd.exe	39
PID 2344 wrote to memory of 2880	2344	dllhost.exe	40
PID 2344 wrote to memory of 2880	2344	dllhost.exe	40
PID 2344 wrote to memory of 2880	2344	dllhost.exe	40
PID 2344 wrote to memory of 2880	2344	dllhost.exe	40
PID 2880 wrote to memory of 2612	2880	cmd.exe	42
PID 2880 wrote to memory of 2612	2880	cmd.exe	42
PID 2880 wrote to memory of 2612	2880	cmd.exe	42
PID 2880 wrote to memory of 2612	2880	cmd.exe	42
PID 2344 wrote to memory of 2624	2344	dllhost.exe	43
PID 2344 wrote to memory of 2624	2344	dllhost.exe	43
PID 2344 wrote to memory of 2624	2344	dllhost.exe	43
PID 2344 wrote to memory of 2624	2344	dllhost.exe	43
PID 2624 wrote to memory of 2684	2624	cmd.exe	45
PID 2624 wrote to memory of 2684	2624	cmd.exe	45
PID 2624 wrote to memory of 2684	2624	cmd.exe	45
PID 2624 wrote to memory of 2684	2624	cmd.exe	45
PID 2344 wrote to memory of 2780	2344	dllhost.exe	46
PID 2344 wrote to memory of 2780	2344	dllhost.exe	46
PID 2344 wrote to memory of 2780	2344	dllhost.exe	46
PID 2344 wrote to memory of 2780	2344	dllhost.exe	46
PID 2344 wrote to memory of 2264	2344	dllhost.exe	48
PID 2344 wrote to memory of 2264	2344	dllhost.exe	48
PID 2344 wrote to memory of 2264	2344	dllhost.exe	48
PID 2344 wrote to memory of 2264	2344	dllhost.exe	48
PID 2700 wrote to memory of 2940	2700	taskeng.exe	51
PID 2700 wrote to memory of 2940	2700	taskeng.exe	51
PID 2700 wrote to memory of 2940	2700	taskeng.exe	51
PID 2700 wrote to memory of 2940	2700	taskeng.exe	51
PID 2700 wrote to memory of 3052	2700	taskeng.exe	52
PID 2700 wrote to memory of 3052	2700	taskeng.exe	52
PID 2700 wrote to memory of 3052	2700	taskeng.exe	52
PID 2700 wrote to memory of 3052	2700	taskeng.exe	52

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2836	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe
"C:\Users\Admin\AppData\Local\Temp\fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- C:\ProgramData\dllhost.exe
  "C:\ProgramData\dllhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\ProgramData\dllhost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2836
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - 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:2168
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc query windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - C:\Windows\SysWOW64\sc.exe
      sc query windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2656
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc stop windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Windows\SysWOW64\sc.exe
      sc stop windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2612
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc delete windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2624
  - - C:\Windows\SysWOW64\sc.exe
      sc delete windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:2684
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn CleanSweepCheck /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2780
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn CleanSweepCheck /tr C:\ProgramData\dllhost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2264

C:\Windows\system32\taskeng.exe
taskeng.exe {63A9BA4F-B04D-4A31-884E-C90664C26936} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\ProgramData\dllhost.exe
  C:\ProgramData\dllhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\ProgramData\dllhost.exe
  C:\ProgramData\dllhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3052

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

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

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:\ProgramData\dllhost.exe

Filesize
54KB

MD5
e66def5d8a7d114550620531f5bf9202

SHA1
496360134a398960bf1b999c5dd2836e206c370a

SHA256
fe0fb91a7f8da7a3809b79a9ad1ae76b6153142fc1f9690518892d891719d7be

SHA512
7a92375221e7c03582748bd6b6ba48c9f6f229b81ae5bc98c2fb2e136108b72d50624f70109a8f247c906702b2b094138942fe7dabadbfcbfcac7e4829086d0d

Download Submit
memory/1888-0-0x00000000743F1000-0x00000000743F2000-memory.dmp

Filesize
4KB

Download
memory/1888-1-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/1888-2-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/1888-12-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/2344-10-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/2344-11-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/2344-15-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download