njrat | adc7ae22497ae17e1b07d4b94b79517f2eff4eab89e001a7355edda20aca1f22

General

Target

144f02cb3531c2873f68305cc66221be.exe
Size

37KB
MD5

144f02cb3531c2873f68305cc66221be
SHA1

ef7c4b7335c107925474c46c60b6c596849dd00a
SHA256

adc7ae22497ae17e1b07d4b94b79517f2eff4eab89e001a7355edda20aca1f22
SHA512

eb3c314132f63d9b315bc4402c34e877f1438ab3cb63deef20fb80019bb9301c7a61d13a0d9d9fc68729829dce38937d0440f57d85f215c323a8bfec9b8d4615

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

2.tcp.eu.ngrok.io:11138

Mutex

8e7128232f5fdceabae90e8c2c52c822

Attributes

reg_key
8e7128232f5fdceabae90e8c2c52c822
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

System.exe

pid process

1080 System.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1476 netsh.exe

pid	process
1476	netsh.exe

Drops startup file 2 IoCs

Processes:

System.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8e7128232f5fdceabae90e8c2c52c822.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8e7128232f5fdceabae90e8c2c52c822.exe	System.exe

Loads dropped DLL 1 IoCs

Processes:

144f02cb3531c2873f68305cc66221be.exe

pid process

1432 144f02cb3531c2873f68305cc66221be.exe

pid	process
1432	144f02cb3531c2873f68305cc66221be.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

System.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\8e7128232f5fdceabae90e8c2c52c822 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8e7128232f5fdceabae90e8c2c52c822 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System.exe\" .."	System.exe

Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

System.exe

description ioc process

File created C:\autorun.inf System.exe
File opened for modification C:\autorun.inf System.exe
File created D:\autorun.inf System.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\autorun.inf	System.exe
File opened for modification	C:\autorun.inf	System.exe
File created	D:\autorun.inf	System.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

System.exe

pid	process
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe
1080	System.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

System.exe

pid process

1080 System.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

System.exe

description	pid	process
Token: SeDebugPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe
Token: 33	1080	System.exe
Token: SeIncBasePriorityPrivilege	1080	System.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

144f02cb3531c2873f68305cc66221be.exeSystem.exe

description	pid	process	target process
PID 1432 wrote to memory of 1080	1432	144f02cb3531c2873f68305cc66221be.exe	System.exe
PID 1432 wrote to memory of 1080	1432	144f02cb3531c2873f68305cc66221be.exe	System.exe
PID 1432 wrote to memory of 1080	1432	144f02cb3531c2873f68305cc66221be.exe	System.exe
PID 1432 wrote to memory of 1080	1432	144f02cb3531c2873f68305cc66221be.exe	System.exe
PID 1080 wrote to memory of 1476	1080	System.exe	netsh.exe
PID 1080 wrote to memory of 1476	1080	System.exe	netsh.exe
PID 1080 wrote to memory of 1476	1080	System.exe	netsh.exe
PID 1080 wrote to memory of 1476	1080	System.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\144f02cb3531c2873f68305cc66221be.exe
"C:\Users\Admin\AppData\Local\Temp\144f02cb3531c2873f68305cc66221be.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1432

C:\Users\Admin\AppData\Roaming\System.exe
"C:\Users\Admin\AppData\Roaming\System.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System.exe" "System.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\System.exe
Filesize
37KB

MD5
144f02cb3531c2873f68305cc66221be

SHA1
ef7c4b7335c107925474c46c60b6c596849dd00a

SHA256
adc7ae22497ae17e1b07d4b94b79517f2eff4eab89e001a7355edda20aca1f22

SHA512
eb3c314132f63d9b315bc4402c34e877f1438ab3cb63deef20fb80019bb9301c7a61d13a0d9d9fc68729829dce38937d0440f57d85f215c323a8bfec9b8d4615

Download Submit
C:\Users\Admin\AppData\Roaming\System.exe
Filesize
37KB

MD5
144f02cb3531c2873f68305cc66221be

SHA1
ef7c4b7335c107925474c46c60b6c596849dd00a

SHA256
adc7ae22497ae17e1b07d4b94b79517f2eff4eab89e001a7355edda20aca1f22

SHA512
eb3c314132f63d9b315bc4402c34e877f1438ab3cb63deef20fb80019bb9301c7a61d13a0d9d9fc68729829dce38937d0440f57d85f215c323a8bfec9b8d4615

Download Submit
\Users\Admin\AppData\Roaming\System.exe
Filesize
37KB

MD5
144f02cb3531c2873f68305cc66221be

SHA1
ef7c4b7335c107925474c46c60b6c596849dd00a

SHA256
adc7ae22497ae17e1b07d4b94b79517f2eff4eab89e001a7355edda20aca1f22

SHA512
eb3c314132f63d9b315bc4402c34e877f1438ab3cb63deef20fb80019bb9301c7a61d13a0d9d9fc68729829dce38937d0440f57d85f215c323a8bfec9b8d4615

Download Submit
memory/1080-57-0x0000000000000000-mapping.dmp

Download
memory/1080-62-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1080-65-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1432-54-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1432-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1432-61-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1476-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads