njrat | 2e0037526dc99997dd3e17d63d7c5e408511f9e571f2281588564d6857ac8e36

General

Target

216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe
Size

78KB
MD5

495ac365075583f4cbd9487cb6c1935c
SHA1

9341e99733e753a7f5c2a716c35a7dc131d271d0
SHA256

216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3
SHA512

b9e4c72fd53b5e257d701f123fcc6771013b897aa65bbc6f24b1754e9cd9488cde99eb33b54c40b23c76a4bdb669e388b28829b473b00ff0a44940497c46fbe7

Score

10^/10

njrat zombie persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

Zombie

C2

0.tcp.eu.ngrok.io:14618

Mutex

svchost.exe

Attributes

reg_key
svchost.exe
splitter
123

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 3 IoCs

Processes:

svchost.exesvchost.exesvchost.exe

pid process

1728 svchost.exe
1836 svchost.exe
1524 svchost.exe

pid	process
1728	svchost.exe
1836	svchost.exe
1524	svchost.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe	svchost.exe

Loads dropped DLL 1 IoCs

Processes:

216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe

pid process

2044 216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe

pid	process
2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.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 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

1640 schtasks.exe
1344 schtasks.exe
1096 schtasks.exe
1044 schtasks.exe

pid	process
1640	schtasks.exe
1344	schtasks.exe
1096	schtasks.exe
1044	schtasks.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe
Token: 33	1728	svchost.exe
Token: SeIncBasePriorityPrivilege	1728	svchost.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exesvchost.exetaskeng.exesvchost.exesvchost.exe

description	pid	process	target process
PID 2044 wrote to memory of 468	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 468	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 468	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 468	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 1640	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 1640	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 1640	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 1640	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 2044 wrote to memory of 1728	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	svchost.exe
PID 2044 wrote to memory of 1728	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	svchost.exe
PID 2044 wrote to memory of 1728	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	svchost.exe
PID 2044 wrote to memory of 1728	2044	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	svchost.exe
PID 1728 wrote to memory of 1324	1728	svchost.exe	schtasks.exe
PID 1728 wrote to memory of 1324	1728	svchost.exe	schtasks.exe
PID 1728 wrote to memory of 1324	1728	svchost.exe	schtasks.exe
PID 1728 wrote to memory of 1324	1728	svchost.exe	schtasks.exe
PID 1728 wrote to memory of 1344	1728	svchost.exe	schtasks.exe
PID 1728 wrote to memory of 1344	1728	svchost.exe	schtasks.exe
PID 1728 wrote to memory of 1344	1728	svchost.exe	schtasks.exe
PID 1728 wrote to memory of 1344	1728	svchost.exe	schtasks.exe
PID 1580 wrote to memory of 1836	1580	taskeng.exe	svchost.exe
PID 1580 wrote to memory of 1836	1580	taskeng.exe	svchost.exe
PID 1580 wrote to memory of 1836	1580	taskeng.exe	svchost.exe
PID 1580 wrote to memory of 1836	1580	taskeng.exe	svchost.exe
PID 1836 wrote to memory of 112	1836	svchost.exe	schtasks.exe
PID 1836 wrote to memory of 112	1836	svchost.exe	schtasks.exe
PID 1836 wrote to memory of 112	1836	svchost.exe	schtasks.exe
PID 1836 wrote to memory of 112	1836	svchost.exe	schtasks.exe
PID 1836 wrote to memory of 1096	1836	svchost.exe	schtasks.exe
PID 1836 wrote to memory of 1096	1836	svchost.exe	schtasks.exe
PID 1836 wrote to memory of 1096	1836	svchost.exe	schtasks.exe
PID 1836 wrote to memory of 1096	1836	svchost.exe	schtasks.exe
PID 1580 wrote to memory of 1524	1580	taskeng.exe	svchost.exe
PID 1580 wrote to memory of 1524	1580	taskeng.exe	svchost.exe
PID 1580 wrote to memory of 1524	1580	taskeng.exe	svchost.exe
PID 1580 wrote to memory of 1524	1580	taskeng.exe	svchost.exe
PID 1524 wrote to memory of 1600	1524	svchost.exe	schtasks.exe
PID 1524 wrote to memory of 1600	1524	svchost.exe	schtasks.exe
PID 1524 wrote to memory of 1600	1524	svchost.exe	schtasks.exe
PID 1524 wrote to memory of 1600	1524	svchost.exe	schtasks.exe
PID 1524 wrote to memory of 1044	1524	svchost.exe	schtasks.exe
PID 1524 wrote to memory of 1044	1524	svchost.exe	schtasks.exe
PID 1524 wrote to memory of 1044	1524	svchost.exe	schtasks.exe
PID 1524 wrote to memory of 1044	1524	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe
"C:\Users\Admin\AppData\Local\Temp\216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
2⤵
PID:468

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe" /sc minute /mo 1
2⤵
- Creates scheduled task(s)
PID:1640

C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
3⤵
PID:1324

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\svchost.exe" /sc minute /mo 1
3⤵
- Creates scheduled task(s)
PID:1344

C:\Windows\system32\taskeng.exe
taskeng.exe {F09F69CC-4714-4860-9FC1-2DC83C426B56} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1580

C:\Users\Admin\svchost.exe
C:\Users\Admin\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
3⤵
PID:112

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\svchost.exe" /sc minute /mo 1
3⤵
- Creates scheduled task(s)
PID:1096

C:\Users\Admin\svchost.exe
C:\Users\Admin\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
3⤵
PID:1600

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\svchost.exe" /sc minute /mo 1
3⤵
- Creates scheduled task(s)
PID:1044

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

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Downloads

C:\Users\Admin\svchost.exe
MD5
495ac365075583f4cbd9487cb6c1935c

SHA1
9341e99733e753a7f5c2a716c35a7dc131d271d0

SHA256
216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3

SHA512
b9e4c72fd53b5e257d701f123fcc6771013b897aa65bbc6f24b1754e9cd9488cde99eb33b54c40b23c76a4bdb669e388b28829b473b00ff0a44940497c46fbe7

Download Submit
C:\Users\Admin\svchost.exe
MD5
495ac365075583f4cbd9487cb6c1935c

SHA1
9341e99733e753a7f5c2a716c35a7dc131d271d0

SHA256
216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3

SHA512
b9e4c72fd53b5e257d701f123fcc6771013b897aa65bbc6f24b1754e9cd9488cde99eb33b54c40b23c76a4bdb669e388b28829b473b00ff0a44940497c46fbe7

Download Submit
C:\Users\Admin\svchost.exe
MD5
495ac365075583f4cbd9487cb6c1935c

SHA1
9341e99733e753a7f5c2a716c35a7dc131d271d0

SHA256
216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3

SHA512
b9e4c72fd53b5e257d701f123fcc6771013b897aa65bbc6f24b1754e9cd9488cde99eb33b54c40b23c76a4bdb669e388b28829b473b00ff0a44940497c46fbe7

Download Submit
C:\Users\Admin\svchost.exe
MD5
495ac365075583f4cbd9487cb6c1935c

SHA1
9341e99733e753a7f5c2a716c35a7dc131d271d0

SHA256
216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3

SHA512
b9e4c72fd53b5e257d701f123fcc6771013b897aa65bbc6f24b1754e9cd9488cde99eb33b54c40b23c76a4bdb669e388b28829b473b00ff0a44940497c46fbe7

Download Submit
\Users\Admin\svchost.exe
MD5
495ac365075583f4cbd9487cb6c1935c

SHA1
9341e99733e753a7f5c2a716c35a7dc131d271d0

SHA256
216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3

SHA512
b9e4c72fd53b5e257d701f123fcc6771013b897aa65bbc6f24b1754e9cd9488cde99eb33b54c40b23c76a4bdb669e388b28829b473b00ff0a44940497c46fbe7

Download Submit
memory/112-74-0x0000000000000000-mapping.dmp

Download
memory/468-61-0x0000000000000000-mapping.dmp

Download
memory/1044-81-0x0000000000000000-mapping.dmp

Download
memory/1096-75-0x0000000000000000-mapping.dmp

Download
memory/1324-68-0x0000000000000000-mapping.dmp

Download
memory/1344-69-0x0000000000000000-mapping.dmp

Download
memory/1524-77-0x0000000000000000-mapping.dmp

Download
memory/1524-82-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/1600-80-0x0000000000000000-mapping.dmp

Download
memory/1640-62-0x0000000000000000-mapping.dmp

Download
memory/1728-70-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/1728-64-0x0000000000000000-mapping.dmp

Download
memory/1836-76-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

Filesize
4KB

Download
memory/1836-71-0x0000000000000000-mapping.dmp

Download
memory/2044-59-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download
memory/2044-60-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads