njrat | e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b

Reason

Machine shutdown

General

Target

e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe
Size

103KB
MD5

61fd98dbc93dae448c37f01db0724adc
SHA1

92e9d04549511a5fd92f1c3dc3b6e14bdd7d30a6
SHA256

e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b
SHA512

cf3b513b9a02ed4f10df583bc083898b96b565fbd5dc8164ce0a38de10f53c6f0416178b54e63337f5b099b6d981fa73a548544345b870ffb68317262ae88f2f
SSDEEP

1536:J7SbmW9xXfy0AeX9kSNvnyY21oFhWzc9PkykrIxFZEb8t/FT:J7SbJ9ZX9kqKY21Bqk0Zf

Score

10^/10

njrat discovery trojan

Malware Config

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.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 2 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	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.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
4228	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
736	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe
736	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe
736	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	736	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 4228	736	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe	90
PID 736 wrote to memory of 4228	736	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe	90
PID 736 wrote to memory of 4228	736	e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe	90

C:\Users\Admin\AppData\Local\Temp\e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe
"C:\Users\Admin\AppData\Local\Temp\e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe"
1⤵
- Checks computer location settings
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn "penis" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup/e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4228
- C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"
  2⤵
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe

Filesize
103KB

MD5
61fd98dbc93dae448c37f01db0724adc

SHA1
92e9d04549511a5fd92f1c3dc3b6e14bdd7d30a6

SHA256
e1fdf894780ccf149939a72dffb6e8046ac62810fda22a8c8bab0f4fe0bbf70b

SHA512
cf3b513b9a02ed4f10df583bc083898b96b565fbd5dc8164ce0a38de10f53c6f0416178b54e63337f5b099b6d981fa73a548544345b870ffb68317262ae88f2f

Download Submit
memory/736-0-0x000000007534E000-0x000000007534F000-memory.dmp

Filesize
4KB

Download
memory/736-1-0x0000000000E20000-0x0000000000E38000-memory.dmp

Filesize
96KB

Download
memory/736-2-0x00000000056E0000-0x000000000577C000-memory.dmp

Filesize
624KB

Download
memory/736-3-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/736-4-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/736-5-0x000000007534E000-0x000000007534F000-memory.dmp

Filesize
4KB

Download
memory/736-7-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/736-8-0x00000000062E0000-0x00000000062EE000-memory.dmp

Filesize
56KB

Download
memory/736-9-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/736-10-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads