njrat | f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54

General

Target

f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Size

23KB
MD5

72b220a7b712587de15786c7b968b1a0
SHA1

e2df2ccc60d1282bc36397b8575ccc8c3183ee72
SHA256

f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54
SHA512

ed787f2e2f5173dfe697e6c2b718df244bf597dbbe1e4b982664748a3dd23651758f3d05d973be94e69e0464a46d8873908a964ce379aa68aedf0e77d0dea24a
SSDEEP

384:poWSkWHa55BgDVRGipkItzY6vZg36Eh7FpmRvR6JZlbw8hqIusZzZQ7:+Juk9pHRpcnuF

Score

10^/10

njrat discovery 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4724	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ad223c181f76c0d1c9788200b640f54f.exe	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ad223c181f76c0d1c9788200b640f54f.exe	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ad223c181f76c0d1c9788200b640f54f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe\" .."	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ad223c181f76c0d1c9788200b640f54f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe\" .."	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.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\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: 33	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
Token: SeIncBasePriorityPrivilege	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 4724	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe	90
PID 2004 wrote to memory of 4724	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe	90
PID 2004 wrote to memory of 4724	2004	f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe	90

C:\Users\Admin\AppData\Local\Temp\f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe
"C:\Users\Admin\AppData\Local\Temp\f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe" "f97c97e89dba7b1eed3a9ec3a1910b9bb3ef89478cdfd2cfed05f4d230f4af54N.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:4724

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2004-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/2004-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2004-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2004-4-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/2004-5-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2004-6-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads