njrat | faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d

General

Target

35748fa679aab5a3da229284f66ce004.exe
Size

43KB
MD5

35748fa679aab5a3da229284f66ce004
SHA1

23ba0a211dd963bf7c08d1d8cfdf4c4ab57c398b
SHA256

faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d
SHA512

c407e777b1fbb3665f20e8e48ce99fca21d89369714370497bc3504c50ff4aa72330bfb47f3dd8774e328675d8f37b8667ff9cf6e5b696b43a57b3cd9ce25c5a

Score

10^/10

njrat hacked persistence suricata trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

0.tcp.ngrok.io:19536

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Executes dropped EXE 3 IoCs

Processes:

Dllhost.exeServer.exeServer.exe

pid process

952 Dllhost.exe
1136 Server.exe
848 Server.exe

pid	process
952	Dllhost.exe
1136	Server.exe
848	Server.exe

Drops startup file 2 IoCs

Processes:

Dllhost.exe

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

Loads dropped DLL 1 IoCs

Processes:

35748fa679aab5a3da229284f66ce004.exe

pid process

316 35748fa679aab5a3da229284f66ce004.exe

pid	process
316	35748fa679aab5a3da229284f66ce004.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2040 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Dllhost.exe

pid process

952 Dllhost.exe

pid	process
2040	schtasks.exe

pid	process
952	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	952	Dllhost.exe
Token: 33	952	Dllhost.exe
Token: SeIncBasePriorityPrivilege	952	Dllhost.exe
Token: 33	952	Dllhost.exe
Token: SeIncBasePriorityPrivilege	952	Dllhost.exe
Token: 33	952	Dllhost.exe
Token: SeIncBasePriorityPrivilege	952	Dllhost.exe
Token: 33	952	Dllhost.exe
Token: SeIncBasePriorityPrivilege	952	Dllhost.exe
Token: 33	952	Dllhost.exe
Token: SeIncBasePriorityPrivilege	952	Dllhost.exe
Token: 33	952	Dllhost.exe
Token: SeIncBasePriorityPrivilege	952	Dllhost.exe
Token: 33	952	Dllhost.exe
Token: SeIncBasePriorityPrivilege	952	Dllhost.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

35748fa679aab5a3da229284f66ce004.exeDllhost.exetaskeng.exe

description	pid	process	target process
PID 316 wrote to memory of 952	316	35748fa679aab5a3da229284f66ce004.exe	Dllhost.exe
PID 316 wrote to memory of 952	316	35748fa679aab5a3da229284f66ce004.exe	Dllhost.exe
PID 316 wrote to memory of 952	316	35748fa679aab5a3da229284f66ce004.exe	Dllhost.exe
PID 316 wrote to memory of 952	316	35748fa679aab5a3da229284f66ce004.exe	Dllhost.exe
PID 952 wrote to memory of 2040	952	Dllhost.exe	schtasks.exe
PID 952 wrote to memory of 2040	952	Dllhost.exe	schtasks.exe
PID 952 wrote to memory of 2040	952	Dllhost.exe	schtasks.exe
PID 952 wrote to memory of 2040	952	Dllhost.exe	schtasks.exe
PID 780 wrote to memory of 1136	780	taskeng.exe	Server.exe
PID 780 wrote to memory of 1136	780	taskeng.exe	Server.exe
PID 780 wrote to memory of 1136	780	taskeng.exe	Server.exe
PID 780 wrote to memory of 1136	780	taskeng.exe	Server.exe
PID 780 wrote to memory of 848	780	taskeng.exe	Server.exe
PID 780 wrote to memory of 848	780	taskeng.exe	Server.exe
PID 780 wrote to memory of 848	780	taskeng.exe	Server.exe
PID 780 wrote to memory of 848	780	taskeng.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\35748fa679aab5a3da229284f66ce004.exe
"C:\Users\Admin\AppData\Local\Temp\35748fa679aab5a3da229284f66ce004.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:316

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:952

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
3⤵
- Creates scheduled task(s)
PID:2040

C:\Windows\system32\taskeng.exe
taskeng.exe {31EC9CDF-8049-4D8C-A954-5453E9792176} S-1-5-21-1083475884-596052423-1669053738-1000:WYZSGDWS\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:780

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1136

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
Filesize
43KB

MD5
35748fa679aab5a3da229284f66ce004

SHA1
23ba0a211dd963bf7c08d1d8cfdf4c4ab57c398b

SHA256
faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d

SHA512
c407e777b1fbb3665f20e8e48ce99fca21d89369714370497bc3504c50ff4aa72330bfb47f3dd8774e328675d8f37b8667ff9cf6e5b696b43a57b3cd9ce25c5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
Filesize
43KB

MD5
35748fa679aab5a3da229284f66ce004

SHA1
23ba0a211dd963bf7c08d1d8cfdf4c4ab57c398b

SHA256
faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d

SHA512
c407e777b1fbb3665f20e8e48ce99fca21d89369714370497bc3504c50ff4aa72330bfb47f3dd8774e328675d8f37b8667ff9cf6e5b696b43a57b3cd9ce25c5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
35748fa679aab5a3da229284f66ce004

SHA1
23ba0a211dd963bf7c08d1d8cfdf4c4ab57c398b

SHA256
faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d

SHA512
c407e777b1fbb3665f20e8e48ce99fca21d89369714370497bc3504c50ff4aa72330bfb47f3dd8774e328675d8f37b8667ff9cf6e5b696b43a57b3cd9ce25c5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
35748fa679aab5a3da229284f66ce004

SHA1
23ba0a211dd963bf7c08d1d8cfdf4c4ab57c398b

SHA256
faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d

SHA512
c407e777b1fbb3665f20e8e48ce99fca21d89369714370497bc3504c50ff4aa72330bfb47f3dd8774e328675d8f37b8667ff9cf6e5b696b43a57b3cd9ce25c5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
35748fa679aab5a3da229284f66ce004

SHA1
23ba0a211dd963bf7c08d1d8cfdf4c4ab57c398b

SHA256
faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d

SHA512
c407e777b1fbb3665f20e8e48ce99fca21d89369714370497bc3504c50ff4aa72330bfb47f3dd8774e328675d8f37b8667ff9cf6e5b696b43a57b3cd9ce25c5a

Download Submit
\Users\Admin\AppData\Local\Temp\Dllhost.exe
Filesize
43KB

MD5
35748fa679aab5a3da229284f66ce004

SHA1
23ba0a211dd963bf7c08d1d8cfdf4c4ab57c398b

SHA256
faa6970d520931fbcf337e3f3aadfbf28bb4e7be36c789138d10154284ef446d

SHA512
c407e777b1fbb3665f20e8e48ce99fca21d89369714370497bc3504c50ff4aa72330bfb47f3dd8774e328675d8f37b8667ff9cf6e5b696b43a57b3cd9ce25c5a

Download Submit
memory/316-55-0x0000000076431000-0x0000000076433000-memory.dmp

Filesize
8KB

Download
memory/316-54-0x0000000000E60000-0x0000000000E72000-memory.dmp

Filesize
72KB

Download
memory/848-67-0x0000000000000000-mapping.dmp

Download
memory/848-69-0x0000000000B50000-0x0000000000B62000-memory.dmp

Filesize
72KB

Download
memory/952-57-0x0000000000000000-mapping.dmp

Download
memory/952-60-0x0000000000050000-0x0000000000062000-memory.dmp

Filesize
72KB

Download
memory/1136-66-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/1136-64-0x0000000000000000-mapping.dmp

Download
memory/2040-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads