njrat | ec57a5693533b024615c157ec0e3867b2eb73a65a12c20501ef8ff00ffd8f65c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:13

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General

Target

7c8b7f048ddf08182db2824fff38e73e.exe
Size

65KB
MD5

7c8b7f048ddf08182db2824fff38e73e
SHA1

06426325c605afd5fa123d9c68d8c8af32ce6b56
SHA256

7fcac21f046d9490d9b97aa9fbc30cd0a8d64348eb0911d1b90ebbbea15d87fa
SHA512

8f98d7ad8ba08d1b136e3dd97fb19670c58fa79dad4a82eb293b24f2898b9c952a8247527a95e40a38418994f966d79d1c93521bf6bd69332fb91af9b5b02c33
SSDEEP

1536:/vY8boN36tdQviFw1awamBnvbrfLteF3nLrB9z3nwaF9bt4S9vM:/vY8boN36tdQviFC19BnHfWl9zgaF9b+

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

HacKed

127.0.0.1:9509

Mutex

Client.exe

Attributes

reg_key
Client.exe
splitter
|Ghost|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	7c8b7f048ddf08182db2824fff38e73e.exe

Drops startup file 3 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
5736	Client.exe
1668	Client.exe
4696	Client.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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .."	Client.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .."	Client.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 18 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7c8b7f048ddf08182db2824fff38e73e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2184	schtasks.exe
4972	schtasks.exe
3952	schtasks.exe
5424	schtasks.exe
4040	schtasks.exe
4460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe
5736	Client.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe
Token: 33	5736	Client.exe
Token: SeIncBasePriorityPrivilege	5736	Client.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 5736	2308	7c8b7f048ddf08182db2824fff38e73e.exe	92
PID 2308 wrote to memory of 5736	2308	7c8b7f048ddf08182db2824fff38e73e.exe	92
PID 2308 wrote to memory of 5736	2308	7c8b7f048ddf08182db2824fff38e73e.exe	92
PID 2308 wrote to memory of 3944	2308	7c8b7f048ddf08182db2824fff38e73e.exe	93
PID 2308 wrote to memory of 3944	2308	7c8b7f048ddf08182db2824fff38e73e.exe	93
PID 2308 wrote to memory of 3944	2308	7c8b7f048ddf08182db2824fff38e73e.exe	93
PID 3944 wrote to memory of 3940	3944	cmd.exe	95
PID 3944 wrote to memory of 3940	3944	cmd.exe	95
PID 3944 wrote to memory of 3940	3944	cmd.exe	95
PID 5736 wrote to memory of 4668	5736	Client.exe	99
PID 5736 wrote to memory of 4668	5736	Client.exe	99
PID 5736 wrote to memory of 4668	5736	Client.exe	99
PID 5736 wrote to memory of 2184	5736	Client.exe	101
PID 5736 wrote to memory of 2184	5736	Client.exe	101
PID 5736 wrote to memory of 2184	5736	Client.exe	101
PID 5736 wrote to memory of 3388	5736	Client.exe	112
PID 5736 wrote to memory of 3388	5736	Client.exe	112
PID 5736 wrote to memory of 3388	5736	Client.exe	112
PID 5736 wrote to memory of 4972	5736	Client.exe	114
PID 5736 wrote to memory of 4972	5736	Client.exe	114
PID 5736 wrote to memory of 4972	5736	Client.exe	114
PID 5736 wrote to memory of 5528	5736	Client.exe	117
PID 5736 wrote to memory of 5528	5736	Client.exe	117
PID 5736 wrote to memory of 5528	5736	Client.exe	117
PID 5736 wrote to memory of 3952	5736	Client.exe	119
PID 5736 wrote to memory of 3952	5736	Client.exe	119
PID 5736 wrote to memory of 3952	5736	Client.exe	119
PID 5736 wrote to memory of 5392	5736	Client.exe	122
PID 5736 wrote to memory of 5392	5736	Client.exe	122
PID 5736 wrote to memory of 5392	5736	Client.exe	122
PID 5736 wrote to memory of 5424	5736	Client.exe	124
PID 5736 wrote to memory of 5424	5736	Client.exe	124
PID 5736 wrote to memory of 5424	5736	Client.exe	124
PID 5736 wrote to memory of 3852	5736	Client.exe	127
PID 5736 wrote to memory of 3852	5736	Client.exe	127
PID 5736 wrote to memory of 3852	5736	Client.exe	127
PID 5736 wrote to memory of 4040	5736	Client.exe	129
PID 5736 wrote to memory of 4040	5736	Client.exe	129
PID 5736 wrote to memory of 4040	5736	Client.exe	129
PID 5736 wrote to memory of 4660	5736	Client.exe	131
PID 5736 wrote to memory of 4660	5736	Client.exe	131
PID 5736 wrote to memory of 4660	5736	Client.exe	131
PID 5736 wrote to memory of 4460	5736	Client.exe	133
PID 5736 wrote to memory of 4460	5736	Client.exe	133
PID 5736 wrote to memory of 4460	5736	Client.exe	133

C:\Users\Admin\AppData\Local\Temp\7c8b7f048ddf08182db2824fff38e73e.exe
"C:\Users\Admin\AppData\Local\Temp\7c8b7f048ddf08182db2824fff38e73e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\Client.exe
  "C:\Users\Admin\AppData\Local\Temp\Client.exe"
  2⤵
  - Drops startup file
  - 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:5736
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4668
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\Client.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2184
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3388
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\Client.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4972
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5528
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\Client.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3952
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5392
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\Client.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5424
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3852
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\Client.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4040
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4660
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\Client.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\7c8b7f048ddf08182db2824fff38e73e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3944
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 5
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3940

C:\Users\Admin\AppData\Local\Temp\Client.exe
C:\Users\Admin\AppData\Local\Temp\Client.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1668

C:\Users\Admin\AppData\Local\Temp\Client.exe
C:\Users\Admin\AppData\Local\Temp\Client.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Client.exe.log

Filesize
418B

MD5
50045c5c59ae3eb2db5452fb39e13335

SHA1
56226b40d4458df7e92f802381401e4183c97cb2

SHA256
b90b2a4ba2c69f094edce48807ad1873b1265c83795139fbf4576697fe65cae9

SHA512
bb20f9389e69e4a17fa254bd3b77212797f3be159ec6129b3a1501db3e24fb7b12096fbdbfcc93c24ecdb3cea88eae8a58e279b39c0777b6a4e9d4c15057faa4

Download Submit
C:\Users\Admin\AppData\Local\Temp\Client.exe

Filesize
65KB

MD5
7c8b7f048ddf08182db2824fff38e73e

SHA1
06426325c605afd5fa123d9c68d8c8af32ce6b56

SHA256
7fcac21f046d9490d9b97aa9fbc30cd0a8d64348eb0911d1b90ebbbea15d87fa

SHA512
8f98d7ad8ba08d1b136e3dd97fb19670c58fa79dad4a82eb293b24f2898b9c952a8247527a95e40a38418994f966d79d1c93521bf6bd69332fb91af9b5b02c33

Download Submit
memory/2308-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/2308-2-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

Filesize
624KB

Download
memory/2308-1-0x00000000003C0000-0x00000000003D6000-memory.dmp

Filesize
88KB

Download
memory/2308-3-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/5736-15-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5736-20-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5736-21-0x00000000050C0000-0x00000000050CA000-memory.dmp

Filesize
40KB

Download
memory/5736-19-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/5736-22-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5736-23-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download