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

780 svchost.exe
3192 svchost.exe
4476 svchost.exe

pid	process
780	svchost.exe
3192	svchost.exe
4476	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

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-1-5-21-2481030822-2828258191-1606198294-1000\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

4068 schtasks.exe
4036 schtasks.exe
3212 schtasks.exe
3100 schtasks.exe

pid	process
4068	schtasks.exe
4036	schtasks.exe
3212	schtasks.exe
3100	schtasks.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe
Token: 33	780	svchost.exe
Token: SeIncBasePriorityPrivilege	780	svchost.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exesvchost.exesvchost.exesvchost.exe

description	pid	process	target process
PID 3716 wrote to memory of 3516	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 3716 wrote to memory of 3516	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 3716 wrote to memory of 3516	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 3716 wrote to memory of 4068	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 3716 wrote to memory of 4068	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 3716 wrote to memory of 4068	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	schtasks.exe
PID 3716 wrote to memory of 780	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	svchost.exe
PID 3716 wrote to memory of 780	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	svchost.exe
PID 3716 wrote to memory of 780	3716	216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe	svchost.exe
PID 780 wrote to memory of 4272	780	svchost.exe	schtasks.exe
PID 780 wrote to memory of 4272	780	svchost.exe	schtasks.exe
PID 780 wrote to memory of 4272	780	svchost.exe	schtasks.exe
PID 780 wrote to memory of 4036	780	svchost.exe	schtasks.exe
PID 780 wrote to memory of 4036	780	svchost.exe	schtasks.exe
PID 780 wrote to memory of 4036	780	svchost.exe	schtasks.exe
PID 3192 wrote to memory of 1836	3192	svchost.exe	schtasks.exe
PID 3192 wrote to memory of 1836	3192	svchost.exe	schtasks.exe
PID 3192 wrote to memory of 1836	3192	svchost.exe	schtasks.exe
PID 3192 wrote to memory of 3212	3192	svchost.exe	schtasks.exe
PID 3192 wrote to memory of 3212	3192	svchost.exe	schtasks.exe
PID 3192 wrote to memory of 3212	3192	svchost.exe	schtasks.exe
PID 4476 wrote to memory of 4644	4476	svchost.exe	schtasks.exe
PID 4476 wrote to memory of 4644	4476	svchost.exe	schtasks.exe
PID 4476 wrote to memory of 4644	4476	svchost.exe	schtasks.exe
PID 4476 wrote to memory of 3100	4476	svchost.exe	schtasks.exe
PID 4476 wrote to memory of 3100	4476	svchost.exe	schtasks.exe
PID 4476 wrote to memory of 3100	4476	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe
"C:\Users\Admin\AppData\Local\Temp\216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
2⤵
PID:3516

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:4068

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:780

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
3⤵
PID:4272

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:4036

C:\Users\Admin\svchost.exe
C:\Users\Admin\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3192

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
2⤵
PID:1836

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\svchost.exe" /sc minute /mo 1
2⤵
- Creates scheduled task(s)
PID:3212

C:\Users\Admin\svchost.exe
C:\Users\Admin\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4476

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /tn NYAN /F
2⤵
PID:4644

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn NYAN /tr "C:\Users\Admin\svchost.exe" /sc minute /mo 1
2⤵
- Creates scheduled task(s)
PID:3100

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\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\svchost.exe.log
MD5
6b062b48db9a8e149e10fefd80ab54ef

SHA1
1e72855f88c33b6ddce512b079bbe2e4aa2b6b57

SHA256
026518c621aa1e908fd3617fe1d684a6225393659345ad4f9c085fc4f6b3cf43

SHA512
b36007e2b0b71247979cdac1b17520cc37065c001464b4c70d642c8a059510d28ed8b57b7e4df59a43d99d69c588c1bab7b3c95c6a75c0ab98317246b56f7832

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

SHA1
9341e99733e753a7f5c2a716c35a7dc131d271d0

SHA256
216500f3e56a76a59f81e3082a38957482f176c6aaf16ae494db8d2fb5e044d3

SHA512
b9e4c72fd53b5e257d701f123fcc6771013b897aa65bbc6f24b1754e9cd9488cde99eb33b54c40b23c76a4bdb669e388b28829b473b00ff0a44940497c46fbe7

Download Submit
memory/780-123-0x0000000003001000-0x0000000003002000-memory.dmp

Filesize
4KB

Download
memory/780-118-0x0000000000000000-mapping.dmp

Download
memory/1836-125-0x0000000000000000-mapping.dmp

Download
memory/3100-131-0x0000000000000000-mapping.dmp

Download
memory/3192-127-0x0000000003001000-0x0000000003002000-memory.dmp

Filesize
4KB

Download
memory/3212-126-0x0000000000000000-mapping.dmp

Download
memory/3516-115-0x0000000000000000-mapping.dmp

Download
memory/3716-117-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

Filesize
4KB

Download
memory/4036-122-0x0000000000000000-mapping.dmp

Download
memory/4068-116-0x0000000000000000-mapping.dmp

Download
memory/4272-121-0x0000000000000000-mapping.dmp

Download
memory/4476-132-0x0000000003101000-0x0000000003102000-memory.dmp

Filesize
4KB

Download
memory/4644-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads