njrat | 6db28dbae5f2b9f2efbb6419a337bbd3c9b98adfe6cafe7a7df946017bbb77f8

Reason

Machine shutdown

General

Target

New Client.exe
Size

65KB
MD5

418617925234cf8529050924c905963c
SHA1

d0ee8f492b22dbea6323c8ff0ae8f38b15e68f91
SHA256

6db28dbae5f2b9f2efbb6419a337bbd3c9b98adfe6cafe7a7df946017bbb77f8
SHA512

e81c7d29b57d26bf208f47d48a1119244b3bedaa213138eff2317791dd91b0b7eb77eb9b1f2cb1425a0668d351133acbbb91a9dc5005f22d0482f4b5505fa415
SSDEEP

1536:efqK4Tm4BoN36t4QviFw1AjHkBnvbKfLteF3nLrB9z3nIaF9bHS9vM:efqK4C4BoN36t4QviFC8EBnefWl9zYaL

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

HacKed

C2

127.0.0.1:36811

Mutex

svhost.exe

Attributes

reg_key
svhost.exe
splitter
|Ghost|

Signatures

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

New Client.exesvhost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3495501434-311648039-2993076821-1000\Control Panel\International\Geo\Nation	New Client.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3495501434-311648039-2993076821-1000\Control Panel\International\Geo\Nation	svhost.exe

Executes dropped EXE 3 IoCs

Processes:

svhost.exesvhost.exesvhost.exe

pid process

1480 svhost.exe
424 svhost.exe
1256 svhost.exe

pid	process
1480	svhost.exe
424	svhost.exe
1256	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3495501434-311648039-2993076821-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svhost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 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

Processes:

cmd.exechoice.exeschtasks.exesvhost.exesvhost.exeshutdown.exeNew Client.exesvhost.exetaskkill.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3952 taskkill.exe

pid	process
3952	taskkill.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	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\DWM\EnableWindowColorization = "22"	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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

4644 schtasks.exe

pid	process
4644	schtasks.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

svhost.exeshutdown.exe

description	pid	process
Token: SeDebugPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: 33	1480	svhost.exe
Token: SeIncBasePriorityPrivilege	1480	svhost.exe
Token: SeShutdownPrivilege	4416	shutdown.exe
Token: SeRemoteShutdownPrivilege	4416	shutdown.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

New Client.execmd.exesvhost.exe

description	pid	process	target process
PID 3104 wrote to memory of 1480	3104	New Client.exe	svhost.exe
PID 3104 wrote to memory of 1480	3104	New Client.exe	svhost.exe
PID 3104 wrote to memory of 1480	3104	New Client.exe	svhost.exe
PID 3104 wrote to memory of 1984	3104	New Client.exe	cmd.exe
PID 3104 wrote to memory of 1984	3104	New Client.exe	cmd.exe
PID 3104 wrote to memory of 1984	3104	New Client.exe	cmd.exe
PID 1984 wrote to memory of 3244	1984	cmd.exe	choice.exe
PID 1984 wrote to memory of 3244	1984	cmd.exe	choice.exe
PID 1984 wrote to memory of 3244	1984	cmd.exe	choice.exe
PID 1480 wrote to memory of 3952	1480	svhost.exe	taskkill.exe
PID 1480 wrote to memory of 3952	1480	svhost.exe	taskkill.exe
PID 1480 wrote to memory of 3952	1480	svhost.exe	taskkill.exe
PID 1480 wrote to memory of 2840	1480	svhost.exe	schtasks.exe
PID 1480 wrote to memory of 2840	1480	svhost.exe	schtasks.exe
PID 1480 wrote to memory of 2840	1480	svhost.exe	schtasks.exe
PID 1480 wrote to memory of 4644	1480	svhost.exe	schtasks.exe
PID 1480 wrote to memory of 4644	1480	svhost.exe	schtasks.exe
PID 1480 wrote to memory of 4644	1480	svhost.exe	schtasks.exe
PID 1480 wrote to memory of 4416	1480	svhost.exe	shutdown.exe
PID 1480 wrote to memory of 4416	1480	svhost.exe	shutdown.exe
PID 1480 wrote to memory of 4416	1480	svhost.exe	shutdown.exe

C:\Users\Admin\AppData\Local\Temp\New Client.exe
"C:\Users\Admin\AppData\Local\Temp\New Client.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3104

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\taskkill.exe
taskkill /f im Wireshark.exe
3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
PID:3952

C:\Windows\SysWOW64\schtasks.exe
schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
3⤵
- System Location Discovery: System Language Discovery
PID:2840

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4644

C:\Windows\SysWOW64\shutdown.exe
"C:\Windows\System32\shutdown.exe" /s /t 00
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\choice.exe
choice /C Y /N /D Y /T 5
3⤵
- System Location Discovery: System Language Discovery
PID:3244

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:424

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1256

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a11055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svhost.exe.log

Filesize
418B

MD5
5d4a9519354aeb1aa1dc3623e8eba141

SHA1
40dc75a5da413db2c24f0b71e3268b1b092d58b4

SHA256
6af753e859a4e27e635cc7952c5c3905f09f01f488c4559736efe3a62946767b

SHA512
66cbb607b1a1c4ad07c82d3769456b79dc03bac5ba46e3528ab36855d4e67fe15c89960579910b55c567270bb0e7612df311f15283884e9d3315f3bbda7c0681

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
65KB

MD5
418617925234cf8529050924c905963c

SHA1
d0ee8f492b22dbea6323c8ff0ae8f38b15e68f91

SHA256
6db28dbae5f2b9f2efbb6419a337bbd3c9b98adfe6cafe7a7df946017bbb77f8

SHA512
e81c7d29b57d26bf208f47d48a1119244b3bedaa213138eff2317791dd91b0b7eb77eb9b1f2cb1425a0668d351133acbbb91a9dc5005f22d0482f4b5505fa415

Download Submit
memory/1480-19-0x0000000005B80000-0x0000000005B8A000-memory.dmp

Filesize
40KB

Download
memory/1480-20-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/1480-30-0x0000000074F80000-0x0000000075731000-memory.dmp

Filesize
7.7MB

Download
memory/1480-16-0x0000000074F80000-0x0000000075731000-memory.dmp

Filesize
7.7MB

Download
memory/1480-17-0x0000000005BB0000-0x0000000005C42000-memory.dmp

Filesize
584KB

Download
memory/1480-18-0x0000000074F80000-0x0000000075731000-memory.dmp

Filesize
7.7MB

Download
memory/1480-27-0x0000000007C90000-0x0000000007CB2000-memory.dmp

Filesize
136KB

Download
memory/1480-26-0x0000000005EF0000-0x0000000005EFE000-memory.dmp

Filesize
56KB

Download
memory/1480-21-0x00000000074C0000-0x00000000074D8000-memory.dmp

Filesize
96KB

Download
memory/1480-22-0x0000000074F80000-0x0000000075731000-memory.dmp

Filesize
7.7MB

Download
memory/1480-23-0x0000000074F80000-0x0000000075731000-memory.dmp

Filesize
7.7MB

Download
memory/3104-3-0x0000000005BF0000-0x0000000006196000-memory.dmp

Filesize
5.6MB

Download
memory/3104-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/3104-1-0x0000000000B80000-0x0000000000B96000-memory.dmp

Filesize
88KB

Download
memory/3104-2-0x00000000055A0000-0x000000000563C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads