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
2192	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
1076	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2512	7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe"	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe"	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 queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeCreateTokenPrivilege	1076	server.exe
Token: SeAssignPrimaryTokenPrivilege	1076	server.exe
Token: SeLockMemoryPrivilege	1076	server.exe
Token: SeIncreaseQuotaPrivilege	1076	server.exe
Token: 0	1076	server.exe
Token: SeMachineAccountPrivilege	1076	server.exe
Token: SeTcbPrivilege	1076	server.exe
Token: SeSecurityPrivilege	1076	server.exe
Token: SeTakeOwnershipPrivilege	1076	server.exe
Token: SeLoadDriverPrivilege	1076	server.exe
Token: SeSystemProfilePrivilege	1076	server.exe
Token: SeSystemtimePrivilege	1076	server.exe
Token: SeProfSingleProcessPrivilege	1076	server.exe
Token: SeIncBasePriorityPrivilege	1076	server.exe
Token: SeCreatePagefilePrivilege	1076	server.exe
Token: SeCreatePermanentPrivilege	1076	server.exe
Token: SeBackupPrivilege	1076	server.exe
Token: SeRestorePrivilege	1076	server.exe
Token: SeShutdownPrivilege	1076	server.exe
Token: SeDebugPrivilege	1076	server.exe
Token: SeAuditPrivilege	1076	server.exe
Token: SeSystemEnvironmentPrivilege	1076	server.exe
Token: SeChangeNotifyPrivilege	1076	server.exe
Token: SeRemoteShutdownPrivilege	1076	server.exe
Token: SeUndockPrivilege	1076	server.exe
Token: SeSyncAgentPrivilege	1076	server.exe
Token: SeEnableDelegationPrivilege	1076	server.exe
Token: SeManageVolumePrivilege	1076	server.exe
Token: SeImpersonatePrivilege	1076	server.exe
Token: SeCreateGlobalPrivilege	1076	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 1076	2512	7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe	31
PID 2512 wrote to memory of 1076	2512	7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe	31
PID 2512 wrote to memory of 1076	2512	7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe	31
PID 1076 wrote to memory of 2192	1076	server.exe	33
PID 1076 wrote to memory of 2192	1076	server.exe	33
PID 1076 wrote to memory of 2192	1076	server.exe	33

C:\Users\Admin\AppData\Local\Temp\7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe
"C:\Users\Admin\AppData\Local\Temp\7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2512
- 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:1076
- - 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:2192

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

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Downloads

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

Filesize
257KB

MD5
cb27527be7e983bde63b39abdedbc75a

SHA1
4321b26037a08949674b211807ca411e0761f5e7

SHA256
7db30cf4697f11f564a130c1c24aeeb7d66ef58db98c7662001305925fa282a5

SHA512
bab9cc7628b2e774ba01fb8d7875cb754a42cbc88d7c02c3c91badfe0f02c3b6bb4ecfe4cdb7e47dac8dcff38ffa60fb60d44399cc50ab0f903544e3d7675f5f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads