njrat | f0910ba026973659443e0334916e971742595929e873e953473818269ae6640c

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 07:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d01b47718e114d8bc0edf992f5f9a640N.exe
Size

6.6MB
MD5

d01b47718e114d8bc0edf992f5f9a640
SHA1

1ed8b7a230b9bb088e27c54855dde042de2549d3
SHA256

f0910ba026973659443e0334916e971742595929e873e953473818269ae6640c
SHA512

d4f46131a5f3936611b8b37e02539a2836bfaa3f1ffabbbc309e0de5e91006837f65c7acd467cf008c5be09d7114d9ca7b4fe2b8768c4925eff8c0efa9c8d610
SSDEEP

196608:PelMj0Z9elMj0Z9elMj0Z9elMj0Z9elMj0Z9elMj0Z:PehZ9ehZ9ehZ9ehZ9ehZ9ehZ

Score

10^/10

njrat sqwick discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

SQWICK

hakim32.ddns.net:2000

0.tcp.ngrok.io:10951

Mutex

a015ecea047db841cab8da41503a7381

Attributes

reg_key
a015ecea047db841cab8da41503a7381
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2448	netsh.exe
2648	netsh.exe
2728	netsh.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a015ecea047db841cab8da41503a7381Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a015ecea047db841cab8da41503a7381Windows Update.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe

Executes dropped EXE 3 IoCs

pid	Process
2836	server.exe
984	StUpdate.exe
404	StUpdate.exe

Loads dropped DLL 5 IoCs

pid	Process
3068	d01b47718e114d8bc0edf992f5f9a640N.exe
3068	d01b47718e114d8bc0edf992f5f9a640N.exe
984	StUpdate.exe
984	StUpdate.exe
984	StUpdate.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
2	0.tcp.ngrok.io
4	0.tcp.ngrok.io
6	0.tcp.ngrok.io
10	0.tcp.ngrok.io
26	0.tcp.ngrok.io

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Explore.exe	server.exe
File created	C:\Windows\SysWOW64\Explore.exe	server.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs

pid	Process
3068	d01b47718e114d8bc0edf992f5f9a640N.exe
3068	d01b47718e114d8bc0edf992f5f9a640N.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
984	StUpdate.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Explore.exe	server.exe
File opened for modification	C:\Program Files (x86)\Explore.exe	server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	StUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	StUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d01b47718e114d8bc0edf992f5f9a640N.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
2524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3068	d01b47718e114d8bc0edf992f5f9a640N.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe
2836	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	server.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe
Token: 33	2836	server.exe
Token: SeIncBasePriorityPrivilege	2836	server.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3068	d01b47718e114d8bc0edf992f5f9a640N.exe
2836	server.exe
984	StUpdate.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2836	3068	d01b47718e114d8bc0edf992f5f9a640N.exe	30
PID 3068 wrote to memory of 2836	3068	d01b47718e114d8bc0edf992f5f9a640N.exe	30
PID 3068 wrote to memory of 2836	3068	d01b47718e114d8bc0edf992f5f9a640N.exe	30
PID 3068 wrote to memory of 2836	3068	d01b47718e114d8bc0edf992f5f9a640N.exe	30
PID 2836 wrote to memory of 2448	2836	server.exe	31
PID 2836 wrote to memory of 2448	2836	server.exe	31
PID 2836 wrote to memory of 2448	2836	server.exe	31
PID 2836 wrote to memory of 2448	2836	server.exe	31
PID 2836 wrote to memory of 2728	2836	server.exe	33
PID 2836 wrote to memory of 2728	2836	server.exe	33
PID 2836 wrote to memory of 2728	2836	server.exe	33
PID 2836 wrote to memory of 2728	2836	server.exe	33
PID 2836 wrote to memory of 2648	2836	server.exe	35
PID 2836 wrote to memory of 2648	2836	server.exe	35
PID 2836 wrote to memory of 2648	2836	server.exe	35
PID 2836 wrote to memory of 2648	2836	server.exe	35
PID 2836 wrote to memory of 2524	2836	server.exe	37
PID 2836 wrote to memory of 2524	2836	server.exe	37
PID 2836 wrote to memory of 2524	2836	server.exe	37
PID 2836 wrote to memory of 2524	2836	server.exe	37
PID 2432 wrote to memory of 984	2432	taskeng.exe	40
PID 2432 wrote to memory of 984	2432	taskeng.exe	40
PID 2432 wrote to memory of 984	2432	taskeng.exe	40
PID 2432 wrote to memory of 984	2432	taskeng.exe	40
PID 2432 wrote to memory of 984	2432	taskeng.exe	40
PID 2432 wrote to memory of 984	2432	taskeng.exe	40
PID 2432 wrote to memory of 984	2432	taskeng.exe	40
PID 2432 wrote to memory of 404	2432	taskeng.exe	41
PID 2432 wrote to memory of 404	2432	taskeng.exe	41
PID 2432 wrote to memory of 404	2432	taskeng.exe	41
PID 2432 wrote to memory of 404	2432	taskeng.exe	41
PID 2432 wrote to memory of 404	2432	taskeng.exe	41
PID 2432 wrote to memory of 404	2432	taskeng.exe	41
PID 2432 wrote to memory of 404	2432	taskeng.exe	41

C:\Users\Admin\AppData\Local\Temp\d01b47718e114d8bc0edf992f5f9a640N.exe
"C:\Users\Admin\AppData\Local\Temp\d01b47718e114d8bc0edf992f5f9a640N.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Program Files directory
  - 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:2836
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2448
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2728
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2648
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2524

C:\Windows\system32\taskeng.exe
taskeng.exe {31F5A188-48F4-4FA0-8622-5FC0DD00DC29} S-1-5-21-2257386474-3982792636-3902186748-1000:CTBHAMHL\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
  C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:984
- C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
  C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.2MB

MD5
c2b39bcff2e1c31334f1502c311d9d4f

SHA1
cf0962af3e613cd5e8c06640af546dac15731580

SHA256
c3f0e7749eecee7811f73b1c95e0c29121429703781e90410c906fb2c5be6fd3

SHA512
811cbbe03582a2bae2b6277aed2133311283a02971d45ce62922b5d3bc1734d63328b6038569035926539234a33e9a9dfc3347d46b82e60eeaaa88064a108d38

Download Submit
C:\Users\Admin\AppData\Roaming\app

Filesize
4B

MD5
4d853d9c7197ee7fa81c6535b1f7d655

SHA1
eac3d866e991967b385f3dd22da25e410d8f7f49

SHA256
5abdb6175f820f0ac3d8647fbb1f7a0bcc91757a782a8a145570944ca6a00c96

SHA512
dc5a09d8586eb9f591f6e00187817c19f693e9328a1b2e5838c61c0b234e9608eecc45bbf7f4a90912e9a456d0ab469ed2503bafb4988b276cec8d5f0b18fda7

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

Filesize
1.6MB

MD5
accac3e023f8a7e19ab8f2d90b212279

SHA1
fe36f14143d690323994292a93f273c9bed66437

SHA256
1ee38425320b77661beccf4892192f8b3772b4f2ceebfd697eb8213b0e139555

SHA512
ec14fbd5bd1506c83bbcc4c822552a6903287894190f5abcf0e5f376b9d1e2f680cab34b9558bb31edbe4afff7da1e678d39c5b04d325520c5989788e813ef84

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

Filesize
1.5MB

MD5
e427ec3dc87fed416b3da6af316d0abf

SHA1
eac7fcf985be59ab43ad4ba18ba7cad49efcebba

SHA256
d9d65f8a356e33beb28c8bcfb4f7ab37443fe065200488a9756bae28538ea67d

SHA512
0e90b9d78ed429b6ca45e34caed44f2b5a35068290901fca550c1894d1e8273105834612681b44e231dc94b6cc6672012a75721d014398309ea1671e207154a8

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

Filesize
704KB

MD5
a1015d191eec855713e13d05969655d2

SHA1
76f7f6a2d4be27283d3b17900474de99a2f0dfc2

SHA256
ae306c350ffa3394fc0b6b07d2cc3e209ed9784774caa54ff91fbea88d639b0c

SHA512
3b6e1a2c81b4f8765e93b59814dfe9aec001bb63e3d49dde3e9d2a6c61e74f370041dcb04c3890c29e5f66f53184ae09de2c7b0c2033d68a5234a357b800dbfb

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

Filesize
6.6MB

MD5
d01b47718e114d8bc0edf992f5f9a640

SHA1
1ed8b7a230b9bb088e27c54855dde042de2549d3

SHA256
f0910ba026973659443e0334916e971742595929e873e953473818269ae6640c

SHA512
d4f46131a5f3936611b8b37e02539a2836bfaa3f1ffabbbc309e0de5e91006837f65c7acd467cf008c5be09d7114d9ca7b4fe2b8768c4925eff8c0efa9c8d610

Download Submit
memory/404-67-0x0000000000E10000-0x0000000001192000-memory.dmp

Filesize
3.5MB

Download
memory/404-61-0x0000000000030000-0x00000000003B2000-memory.dmp

Filesize
3.5MB

Download
memory/404-65-0x0000000000E10000-0x0000000001192000-memory.dmp

Filesize
3.5MB

Download
memory/404-63-0x0000000000E10000-0x0000000001192000-memory.dmp

Filesize
3.5MB

Download
memory/984-43-0x0000000000CC0000-0x0000000001042000-memory.dmp

Filesize
3.5MB

Download
memory/984-53-0x0000000000CC0000-0x0000000001042000-memory.dmp

Filesize
3.5MB

Download
memory/984-49-0x0000000001200000-0x0000000001582000-memory.dmp

Filesize
3.5MB

Download
memory/984-46-0x0000000001200000-0x0000000001582000-memory.dmp

Filesize
3.5MB

Download
memory/984-47-0x0000000001200000-0x0000000001582000-memory.dmp

Filesize
3.5MB

Download
memory/2836-35-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/2836-21-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/2836-16-0x00000000010F0000-0x0000000001472000-memory.dmp

Filesize
3.5MB

Download
memory/2836-33-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/2836-22-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/2836-34-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/3068-20-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/3068-14-0x00000000068C0000-0x0000000006C42000-memory.dmp

Filesize
3.5MB

Download
memory/3068-19-0x00000000008B0000-0x0000000000C32000-memory.dmp

Filesize
3.5MB

Download
memory/3068-0-0x00000000008B0000-0x0000000000C32000-memory.dmp

Filesize
3.5MB

Download
memory/3068-9-0x00000000068C0000-0x0000000006C42000-memory.dmp

Filesize
3.5MB

Download
memory/3068-3-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/3068-2-0x0000000074860000-0x0000000074E0B000-memory.dmp

Filesize
5.7MB

Download
memory/3068-1-0x0000000074861000-0x0000000074862000-memory.dmp

Filesize
4KB

Download