njrat | 2395de00a23d65cb4eb0805b96fb8f326f5045413b0d19185727e302b0133bcf

General

Target

69eede8d58d95ddb8c081d88e6bd795e.exe
Size

1.5MB
MD5

69eede8d58d95ddb8c081d88e6bd795e
SHA1

afaba911b01704e5bd2f7100143fb45c4d11a48a
SHA256

2395de00a23d65cb4eb0805b96fb8f326f5045413b0d19185727e302b0133bcf
SHA512

34ea399a06a26ccd96a46daa45fad419acb51a02fe2e8154dc1b816378c3f5abb2a730ac66131857d53e575d7d49db95664a91c1ec246e8861db35ab05f1fb40
SSDEEP

24576:NLllLl72qXJMqgzokSg5gOvCXZnx6dmZQSe4mLe+npOebr9UnJpE02+VrMnA5OR9:VllLXX8zxS8vC9xMmZXZCoemJgaHUu3E

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

6.tcp.eu.ngrok.io:12482

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

Executes dropped EXE 5 IoCs

pid	Process
2560	2.exe
2788	1.exe
2812	Dllhost.exe
2212	Server.exe
608	Server.exe

Loads dropped DLL 7 IoCs

pid	Process
2544	69eede8d58d95ddb8c081d88e6bd795e.exe
2544	69eede8d58d95ddb8c081d88e6bd795e.exe
2544	69eede8d58d95ddb8c081d88e6bd795e.exe
2560	2.exe
2560	2.exe
2560	2.exe
2788	1.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\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
2	6.tcp.eu.ngrok.io
22	6.tcp.eu.ngrok.io
41	6.tcp.eu.ngrok.io
43	6.tcp.eu.ngrok.io

Suspicious use of NtSetInformationThreadHideFromDebugger 20 IoCs

pid	Process
2788	1.exe
2788	1.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2212	Server.exe
2212	Server.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
2812	Dllhost.exe
608	Server.exe
2812	Dllhost.exe
608	Server.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 7 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	69eede8d58d95ddb8c081d88e6bd795e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.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
1624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2788	1.exe
2812	Dllhost.exe
2212	Server.exe
608	Server.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2788	1.exe
2812	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2788	1.exe
2812	Dllhost.exe
2212	Server.exe
608	Server.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2560	2544	69eede8d58d95ddb8c081d88e6bd795e.exe	31
PID 2544 wrote to memory of 2560	2544	69eede8d58d95ddb8c081d88e6bd795e.exe	31
PID 2544 wrote to memory of 2560	2544	69eede8d58d95ddb8c081d88e6bd795e.exe	31
PID 2544 wrote to memory of 2560	2544	69eede8d58d95ddb8c081d88e6bd795e.exe	31
PID 2560 wrote to memory of 2788	2560	2.exe	32
PID 2560 wrote to memory of 2788	2560	2.exe	32
PID 2560 wrote to memory of 2788	2560	2.exe	32
PID 2560 wrote to memory of 2788	2560	2.exe	32
PID 2788 wrote to memory of 2812	2788	1.exe	33
PID 2788 wrote to memory of 2812	2788	1.exe	33
PID 2788 wrote to memory of 2812	2788	1.exe	33
PID 2788 wrote to memory of 2812	2788	1.exe	33
PID 2812 wrote to memory of 1624	2812	Dllhost.exe	34
PID 2812 wrote to memory of 1624	2812	Dllhost.exe	34
PID 2812 wrote to memory of 1624	2812	Dllhost.exe	34
PID 2812 wrote to memory of 1624	2812	Dllhost.exe	34
PID 2428 wrote to memory of 2212	2428	taskeng.exe	38
PID 2428 wrote to memory of 2212	2428	taskeng.exe	38
PID 2428 wrote to memory of 2212	2428	taskeng.exe	38
PID 2428 wrote to memory of 2212	2428	taskeng.exe	38
PID 2428 wrote to memory of 608	2428	taskeng.exe	40
PID 2428 wrote to memory of 608	2428	taskeng.exe	40
PID 2428 wrote to memory of 608	2428	taskeng.exe	40
PID 2428 wrote to memory of 608	2428	taskeng.exe	40

C:\Users\Admin\AppData\Local\Temp\69eede8d58d95ddb8c081d88e6bd795e.exe
"C:\Users\Admin\AppData\Local\Temp\69eede8d58d95ddb8c081d88e6bd795e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Users\Admin\AppData\Local\Temp\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
      "C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of NtSetInformationThreadHideFromDebugger
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2812
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1624

C:\Windows\system32\taskeng.exe
taskeng.exe {0746A4A4-E059-4E64-AB4C-E05302D4BE28} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2212
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:608

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\1.exe

Filesize
1.1MB

MD5
9538ccba5bf23fbe2fe6cb55134115f0

SHA1
ebe0fdfc37c9d1fdc9ae4680be07304686652517

SHA256
6a0de7405e10bff84a86904e74e54c9dc454e37771e537807a099c68aa789e19

SHA512
1e61dfc7531d1e1b744135c86673ee31764b5053c2c13e844a4811c35d9c519c0ec47a0934624f19c145955c1314e75a259bd7ea9c338d2396534a3ac18f95ec

Download Submit
\Users\Admin\AppData\Local\Temp\2.exe

Filesize
1.3MB

MD5
beb4158f926fa62add213916710bed6e

SHA1
4dce87b0b232e7f7be78602bfcd5f4c82ec8fb3d

SHA256
f9fa9be7b25ed5ae530162b5494c4076e73259de9673cfbe280bed647500fdbc

SHA512
0d6b2a68479a2d1dbc5dad27edb50b9c35f720a2fab4779c600ef91f9222c501f12ce0730522abeef38a60935b2e5376a2b17db6bf6161b975cf1d8fc83a4d18

Download Submit
memory/608-68-0x0000000000BC0000-0x0000000000F36000-memory.dmp

Filesize
3.5MB

Download
memory/608-65-0x0000000000BC0000-0x0000000000F36000-memory.dmp

Filesize
3.5MB

Download
memory/608-64-0x0000000000BC0000-0x0000000000F36000-memory.dmp

Filesize
3.5MB

Download
memory/2212-54-0x0000000000330000-0x00000000006A6000-memory.dmp

Filesize
3.5MB

Download
memory/2212-57-0x0000000000330000-0x00000000006A6000-memory.dmp

Filesize
3.5MB

Download
memory/2212-53-0x0000000000330000-0x00000000006A6000-memory.dmp

Filesize
3.5MB

Download
memory/2560-26-0x00000000035D0000-0x0000000003946000-memory.dmp

Filesize
3.5MB

Download
memory/2788-29-0x00000000000F0000-0x0000000000466000-memory.dmp

Filesize
3.5MB

Download
memory/2788-40-0x00000000000F0000-0x0000000000466000-memory.dmp

Filesize
3.5MB

Download
memory/2788-31-0x00000000000F0000-0x0000000000466000-memory.dmp

Filesize
3.5MB

Download
memory/2812-42-0x0000000000AE0000-0x0000000000E56000-memory.dmp

Filesize
3.5MB

Download
memory/2812-41-0x0000000000AE0000-0x0000000000E56000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads