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
134s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-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 defense_evasion discovery execution persistence trojan

Malware Config

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

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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	Payload.exe

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
1172	dllhost.exe
3956	dllhost.exe
4080	dllhost.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3deffefe0e2775360ccb15d96c6aeb42 = "\"C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe\" .."	dllhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\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
1236	powershell.exe

Launches sc.exe 3 IoCs

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

pid	Process
4428	sc.exe
3996	sc.exe
3084	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	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1236	powershell.exe
1236	powershell.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe
1172	dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1172	dllhost.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	powershell.exe
Token: SeDebugPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe
Token: 33	1172	dllhost.exe
Token: SeIncBasePriorityPrivilege	1172	dllhost.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1172	1888	Payload.exe	92
PID 1888 wrote to memory of 1172	1888	Payload.exe	92
PID 1888 wrote to memory of 1172	1888	Payload.exe	92
PID 1172 wrote to memory of 1860	1172	dllhost.exe	95
PID 1172 wrote to memory of 1860	1172	dllhost.exe	95
PID 1172 wrote to memory of 1860	1172	dllhost.exe	95
PID 1172 wrote to memory of 5088	1172	dllhost.exe	97
PID 1172 wrote to memory of 5088	1172	dllhost.exe	97
PID 1172 wrote to memory of 5088	1172	dllhost.exe	97
PID 5088 wrote to memory of 1236	5088	cmd.exe	99
PID 5088 wrote to memory of 1236	5088	cmd.exe	99
PID 5088 wrote to memory of 1236	5088	cmd.exe	99
PID 1172 wrote to memory of 1008	1172	dllhost.exe	100
PID 1172 wrote to memory of 1008	1172	dllhost.exe	100
PID 1172 wrote to memory of 1008	1172	dllhost.exe	100
PID 1008 wrote to memory of 4428	1008	cmd.exe	102
PID 1008 wrote to memory of 4428	1008	cmd.exe	102
PID 1008 wrote to memory of 4428	1008	cmd.exe	102
PID 1172 wrote to memory of 4436	1172	dllhost.exe	103
PID 1172 wrote to memory of 4436	1172	dllhost.exe	103
PID 1172 wrote to memory of 4436	1172	dllhost.exe	103
PID 4436 wrote to memory of 3996	4436	cmd.exe	105
PID 4436 wrote to memory of 3996	4436	cmd.exe	105
PID 4436 wrote to memory of 3996	4436	cmd.exe	105
PID 1172 wrote to memory of 2460	1172	dllhost.exe	106
PID 1172 wrote to memory of 2460	1172	dllhost.exe	106
PID 1172 wrote to memory of 2460	1172	dllhost.exe	106
PID 2460 wrote to memory of 3084	2460	cmd.exe	108
PID 2460 wrote to memory of 3084	2460	cmd.exe	108
PID 2460 wrote to memory of 3084	2460	cmd.exe	108
PID 1172 wrote to memory of 3328	1172	dllhost.exe	109
PID 1172 wrote to memory of 3328	1172	dllhost.exe	109
PID 1172 wrote to memory of 3328	1172	dllhost.exe	109
PID 1172 wrote to memory of 1916	1172	dllhost.exe	111
PID 1172 wrote to memory of 1916	1172	dllhost.exe	111
PID 1172 wrote to memory of 1916	1172	dllhost.exe	111

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1860	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- 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:1172
- - 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:1860
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5088
  - - 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:1236
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc query windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1008
  - - C:\Windows\SysWOW64\sc.exe
      sc query windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:4428
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc stop windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4436
  - - C:\Windows\SysWOW64\sc.exe
      sc stop windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:3996
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc delete windefend
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2460
  - - C:\Windows\SysWOW64\sc.exe
      sc delete windefend
      4⤵
      Launches sc.exe
      System Location Discovery: System Language Discovery
      PID:3084
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn CleanSweepCheck /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3328
- - 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:1916

C:\Users\Admin\AppData\Roaming\dllhost.exe
C:\Users\Admin\AppData\Roaming\dllhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3956

C:\Users\Admin\AppData\Roaming\dllhost.exe
C:\Users\Admin\AppData\Roaming\dllhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4080

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

Query Registry

T1012

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\Local\Microsoft\CLR_v2.0_32\UsageLogs\dllhost.exe.log

Filesize
319B

MD5
da4fafeffe21b7cb3a8c170ca7911976

SHA1
50ef77e2451ab60f93f4db88325b897d215be5ad

SHA256
7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7

SHA512
0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n5ei3wno.umw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
83KB

MD5
534f369ccf6412aedd991e525a1e72ff

SHA1
7ac06b4a71634ea87c47aa4d95debaea98728d59

SHA256
bd3ef02621b16846e829e9d7274553abfdeb189153a881c15b70f6e3b2f4ee8f

SHA512
fab8374a454d0cfe7b48439fb84337216056124889d8f882007fec18555cf97c96bbcbedaf59c3b56f25198c5dc00c7d0427f8fe72875c57538c54fdec7eb281

Download Submit
memory/1172-14-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/1172-13-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/1172-15-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/1236-32-0x0000000006100000-0x0000000006454000-memory.dmp

Filesize
3.3MB

Download
memory/1236-35-0x0000000007540000-0x0000000007572000-memory.dmp

Filesize
200KB

Download
memory/1236-16-0x00000000722FE000-0x00000000722FF000-memory.dmp

Filesize
4KB

Download
memory/1236-17-0x0000000002CA0000-0x0000000002CD6000-memory.dmp

Filesize
216KB

Download
memory/1236-18-0x00000000722F0000-0x0000000072AA0000-memory.dmp

Filesize
7.7MB

Download
memory/1236-19-0x00000000056C0000-0x0000000005CE8000-memory.dmp

Filesize
6.2MB

Download
memory/1236-20-0x0000000005630000-0x0000000005652000-memory.dmp

Filesize
136KB

Download
memory/1236-21-0x0000000005F20000-0x0000000005F86000-memory.dmp

Filesize
408KB

Download
memory/1236-22-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/1236-59-0x00000000722F0000-0x0000000072AA0000-memory.dmp

Filesize
7.7MB

Download
memory/1236-56-0x0000000007C10000-0x0000000007C18000-memory.dmp

Filesize
32KB

Download
memory/1236-33-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/1236-34-0x0000000006B20000-0x0000000006B6C000-memory.dmp

Filesize
304KB

Download
memory/1236-55-0x0000000007C30000-0x0000000007C4A000-memory.dmp

Filesize
104KB

Download
memory/1236-36-0x000000006E770000-0x000000006E7BC000-memory.dmp

Filesize
304KB

Download
memory/1236-46-0x0000000007780000-0x000000000779E000-memory.dmp

Filesize
120KB

Download
memory/1236-47-0x00000000077B0000-0x0000000007853000-memory.dmp

Filesize
652KB

Download
memory/1236-48-0x0000000007F30000-0x00000000085AA000-memory.dmp

Filesize
6.5MB

Download
memory/1236-49-0x00000000078F0000-0x000000000790A000-memory.dmp

Filesize
104KB

Download
memory/1236-50-0x0000000007960000-0x000000000796A000-memory.dmp

Filesize
40KB

Download
memory/1236-51-0x0000000007B70000-0x0000000007C06000-memory.dmp

Filesize
600KB

Download
memory/1236-52-0x0000000007AF0000-0x0000000007B01000-memory.dmp

Filesize
68KB

Download
memory/1236-53-0x0000000007B30000-0x0000000007B3E000-memory.dmp

Filesize
56KB

Download
memory/1236-54-0x0000000007B40000-0x0000000007B54000-memory.dmp

Filesize
80KB

Download
memory/1888-12-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/1888-0-0x0000000074AE2000-0x0000000074AE3000-memory.dmp

Filesize
4KB

Download
memory/1888-2-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download
memory/1888-1-0x0000000074AE0000-0x0000000075091000-memory.dmp

Filesize
5.7MB

Download