njrat | 1f62a6987968cb02df6ccdd8fbec5f3d22d66866fc6de497a7c5ea5cec991e13

General

Target

c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Size

89KB
MD5

c19c43675c09a07c0de2b0bf81e6e8e0
SHA1

5be5b99c235bfea65350404b71078b197d39380e
SHA256

1f62a6987968cb02df6ccdd8fbec5f3d22d66866fc6de497a7c5ea5cec991e13
SHA512

0c50c30fa7ca5cbd4782b704f8d790a6c951285e7b67422439b228b319f7fef8c7cf46c421dd288bffde3f2b173450965c6c19c91f7572380242a10937c8c58d
SSDEEP

384:A1YmCsw/yJrQ7tRGSQCY1r46AgfCcBjdhmRvR6JZlbw8hqIusZzZpHUWQhYgjF:Aq7GktQmRpcnuk0BCaF

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
4056	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b99b6f984f1c566e57684117b85eb25.exe	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b99b6f984f1c566e57684117b85eb25.exe	c19c43675c09a07c0de2b0bf81e6e8e0N.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8b99b6f984f1c566e57684117b85eb25 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c19c43675c09a07c0de2b0bf81e6e8e0N.exe\" .."	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8b99b6f984f1c566e57684117b85eb25 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\c19c43675c09a07c0de2b0bf81e6e8e0N.exe\" .."	c19c43675c09a07c0de2b0bf81e6e8e0N.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\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: 33	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe
Token: SeIncBasePriorityPrivilege	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 4056	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe	91
PID 1284 wrote to memory of 4056	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe	91
PID 1284 wrote to memory of 4056	1284	c19c43675c09a07c0de2b0bf81e6e8e0N.exe	91

C:\Users\Admin\AppData\Local\Temp\c19c43675c09a07c0de2b0bf81e6e8e0N.exe
"C:\Users\Admin\AppData\Local\Temp\c19c43675c09a07c0de2b0bf81e6e8e0N.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:1284
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\c19c43675c09a07c0de2b0bf81e6e8e0N.exe" "c19c43675c09a07c0de2b0bf81e6e8e0N.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:4056

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/1284-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

Filesize
4KB

Download
memory/1284-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/1284-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/1284-4-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

Filesize
4KB

Download
memory/1284-5-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/1284-6-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads