njrat | 7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5

General

Target

7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe
Size

257KB
MD5

cb27527be7e983bde63b39abdedbc75a
SHA1

4321b26037a08949674b211807ca411e0761f5e7
SHA256

7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5
SHA512

bab9cc7628b2e774ba01fb8d7875cb754a42cbc88d7c02c3c91badfe0f02c3b6bb4ecfe4cdb7e47dac8dcff38ffa60fb60d44399cc50ab0f903544e3d7675f5f
SSDEEP

6144:vY4AymXSWEM1TOzeUh6+/Igohbkk5S98Bw:v7S5H1izlX9oOGBw

Score

10^/10

njrat defense_evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2412	netsh.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1176	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe\ue000"	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe\ue800"	server.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeCreateTokenPrivilege	1176	server.exe
Token: SeAssignPrimaryTokenPrivilege	1176	server.exe
Token: SeLockMemoryPrivilege	1176	server.exe
Token: SeIncreaseQuotaPrivilege	1176	server.exe
Token: 0	1176	server.exe
Token: SeMachineAccountPrivilege	1176	server.exe
Token: SeTcbPrivilege	1176	server.exe
Token: SeSecurityPrivilege	1176	server.exe
Token: SeTakeOwnershipPrivilege	1176	server.exe
Token: SeLoadDriverPrivilege	1176	server.exe
Token: SeSystemProfilePrivilege	1176	server.exe
Token: SeSystemtimePrivilege	1176	server.exe
Token: SeProfSingleProcessPrivilege	1176	server.exe
Token: SeIncBasePriorityPrivilege	1176	server.exe
Token: SeCreatePagefilePrivilege	1176	server.exe
Token: SeCreatePermanentPrivilege	1176	server.exe
Token: SeBackupPrivilege	1176	server.exe
Token: SeRestorePrivilege	1176	server.exe
Token: SeShutdownPrivilege	1176	server.exe
Token: SeDebugPrivilege	1176	server.exe
Token: SeAuditPrivilege	1176	server.exe
Token: SeSystemEnvironmentPrivilege	1176	server.exe
Token: SeChangeNotifyPrivilege	1176	server.exe
Token: SeRemoteShutdownPrivilege	1176	server.exe
Token: SeUndockPrivilege	1176	server.exe
Token: SeSyncAgentPrivilege	1176	server.exe
Token: SeEnableDelegationPrivilege	1176	server.exe
Token: SeManageVolumePrivilege	1176	server.exe
Token: SeImpersonatePrivilege	1176	server.exe
Token: SeCreateGlobalPrivilege	1176	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1176	1948	7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe	83
PID 1948 wrote to memory of 1176	1948	7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe	83
PID 1176 wrote to memory of 2412	1176	server.exe	85
PID 1176 wrote to memory of 2412	1176	server.exe	85

C:\Users\Admin\AppData\Local\Temp\7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe
"C:\Users\Admin\AppData\Local\Temp\7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Roaming\server.exe
  C:\Users\Admin\AppData\Roaming\server.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram C:\Users\Admin\AppData\Roaming\server.exe "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\server.exe

Filesize
257KB

MD5
cb27527be7e983bde63b39abdedbc75a

SHA1
4321b26037a08949674b211807ca411e0761f5e7

SHA256
7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5

SHA512
bab9cc7628b2e774ba01fb8d7875cb754a42cbc88d7c02c3c91badfe0f02c3b6bb4ecfe4cdb7e47dac8dcff38ffa60fb60d44399cc50ab0f903544e3d7675f5f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads