njrat | 2059f6871d29e0ea9bec89a4af8a117551ea3a3cd844691557bd8804e3af5e2a

Reason

Machine shutdown

General

Target

Payload.exe
Size

55KB
MD5

6607fcf7763d63e262dc84410bbeb729
SHA1

258cd5c203d90cca1362b417c0a6fdfed2a83ca7
SHA256

2059f6871d29e0ea9bec89a4af8a117551ea3a3cd844691557bd8804e3af5e2a
SHA512

b2dac9364f0cb5183e4259b95d95ffb79fea908606d968f0baeb6be5996c00bccbead2608621edd5601038ce469faa6a2148d603d7f28f68ae7105a5bbe06a43
SSDEEP

1536:EmsoDnb4DNQ7SCCHDrwsNMD+XExI3pmAm:YoDnEWOrHDrwsNMD+XExI3pm

Score

10^/10

njrat discovery trojan

Malware Config

Signatures

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

System Location Discovery: System Language Discovery 1 TTPs 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "194"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	Payload.exe
Token: 33	316	Payload.exe
Token: SeIncBasePriorityPrivilege	316	Payload.exe
Token: 33	316	Payload.exe
Token: SeIncBasePriorityPrivilege	316	Payload.exe
Token: 33	316	Payload.exe
Token: SeIncBasePriorityPrivilege	316	Payload.exe
Token: 33	316	Payload.exe
Token: SeIncBasePriorityPrivilege	316	Payload.exe
Token: 33	316	Payload.exe
Token: SeIncBasePriorityPrivilege	316	Payload.exe
Token: 33	316	Payload.exe
Token: SeIncBasePriorityPrivilege	316	Payload.exe
Token: 33	316	Payload.exe
Token: SeIncBasePriorityPrivilege	316	Payload.exe
Token: SeShutdownPrivilege	1712	shutdown.exe
Token: SeRemoteShutdownPrivilege	1712	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3104	LogonUI.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 4992	316	Payload.exe	102
PID 316 wrote to memory of 4992	316	Payload.exe	102
PID 316 wrote to memory of 4992	316	Payload.exe	102
PID 4992 wrote to memory of 1712	4992	cmd.exe	104
PID 4992 wrote to memory of 1712	4992	cmd.exe	104
PID 4992 wrote to memory of 1712	4992	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start shutdown /s /f /t 0
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4992
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown /s /f /t 0
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1712

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa38d6855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/316-0-0x0000000075422000-0x0000000075423000-memory.dmp

Filesize
4KB

Download
memory/316-1-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/316-2-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/316-3-0x0000000075422000-0x0000000075423000-memory.dmp

Filesize
4KB

Download
memory/316-4-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/316-5-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/316-6-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/316-7-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/316-8-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

Errors