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

Executes dropped EXE 1 IoCs

pid	Process
5116	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-1-5-21-4089630652-1596403869-279772308-1000\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 3 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

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
2544	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: 33	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe
Token: SeIncBasePriorityPrivilege	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2544	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe	82
PID 2416 wrote to memory of 2544	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe	82
PID 2416 wrote to memory of 2544	2416	5107bb71d92737412382099dc5e6fe6b7d464937305d449490f51a44cf17f9a8N.exe	82

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:2416
- 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:2544

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5116

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/2416-3-0x00000000057A0000-0x0000000005D44000-memory.dmp

Filesize
5.6MB

Download
memory/2416-2-0x0000000004F50000-0x0000000004FEC000-memory.dmp

Filesize
624KB

Download
memory/2416-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2416-4-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2416-5-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/2416-8-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2416-9-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2416-10-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/2416-1-0x0000000000630000-0x0000000000684000-memory.dmp

Filesize
336KB

Download
memory/5116-13-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/5116-14-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/5116-16-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads