njrat | 5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8

General

Target

5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Size

307KB
MD5

7dc62320a52e154dca8eb4b23ee82790
SHA1

2bd25b69c013caa88b0f938328e9d92d67b7ab7f
SHA256

5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8
SHA512

8d182a8ceed0a81b3209ce0fb1fd30d0261226f503cc6f1d4ae761c95b1e6d74e824a990374eb36f3c77a29a6f796fd7c971237d4efb9ac4ea3076e995d95d8d
SSDEEP

3072:vnkAK3MylIIn3FIyraBOggRibieoRv8w5hhCS4:v8CIn3FIyyoJNhhCS4

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe

Executes dropped EXE 2 IoCs

pid	Process
2804	Server.exe
2360	Server.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe\" .."	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe\" .."	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.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
2356	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2356	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe	31
PID 1956 wrote to memory of 2356	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe	31
PID 1956 wrote to memory of 2356	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe	31
PID 1956 wrote to memory of 2356	1956	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe	31
PID 3020 wrote to memory of 2804	3020	taskeng.exe	34
PID 3020 wrote to memory of 2804	3020	taskeng.exe	34
PID 3020 wrote to memory of 2804	3020	taskeng.exe	34
PID 3020 wrote to memory of 2804	3020	taskeng.exe	34
PID 3020 wrote to memory of 2360	3020	taskeng.exe	35
PID 3020 wrote to memory of 2360	3020	taskeng.exe	35
PID 3020 wrote to memory of 2360	3020	taskeng.exe	35
PID 3020 wrote to memory of 2360	3020	taskeng.exe	35

C:\Users\Admin\AppData\Local\Temp\5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
"C:\Users\Admin\AppData\Local\Temp\5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2356

C:\Windows\system32\taskeng.exe
taskeng.exe {9A50E808-E848-437D-8334-1F671A772876} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\Server.exe

Filesize
307KB

MD5
7dc62320a52e154dca8eb4b23ee82790

SHA1
2bd25b69c013caa88b0f938328e9d92d67b7ab7f

SHA256
5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8

SHA512
8d182a8ceed0a81b3209ce0fb1fd30d0261226f503cc6f1d4ae761c95b1e6d74e824a990374eb36f3c77a29a6f796fd7c971237d4efb9ac4ea3076e995d95d8d

Download Submit
memory/1956-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/1956-1-0x0000000000A00000-0x0000000000A54000-memory.dmp

Filesize
336KB

Download
memory/1956-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-5-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-13-0x0000000000CB0000-0x0000000000D04000-memory.dmp

Filesize
336KB

Download
memory/2804-8-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2804-9-0x0000000000150000-0x00000000001A4000-memory.dmp

Filesize
336KB

Download
memory/2804-10-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2804-11-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads