njrat | 99603c4aa08d90d8b53a010e07ca12ddbac2c72e1c5896534215d20ae14fbf30

Reason

Machine shutdown

General

Target

New Client.exe
Size

65KB
MD5

adebf8218a6f1e5ace6965a397c58be8
SHA1

92af1426e006b354ac230f88c59eb813c73d9625
SHA256

99603c4aa08d90d8b53a010e07ca12ddbac2c72e1c5896534215d20ae14fbf30
SHA512

3dc12ef879a13f2554d3d422ddc9b73e579fe0927d0a4fea38d2cd457975ab4da12f0519e0bea87c7df096c6cae5b288947aa52470a44a4017884d36f333c3eb
SSDEEP

1536:ifqK4Tm4BoN36t4QviFw1AjHkBnvbKfLteF3nLrB9z3nIaF9bKS9vM:ifqK4C4BoN36t4QviFC8EBnefWl9zYaS

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 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

New Client.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	New Client.exe

Executes dropped EXE 5 IoCs

Processes:

svhost.exesvhost.exesvhost.exesvhost.exesvhost.exe

pid process

4984 svhost.exe
2872 svhost.exe
3104 svhost.exe
3840 svhost.exe
4352 svhost.exe

pid	process
4984	svhost.exe
2872	svhost.exe
3104	svhost.exe
3840	svhost.exe
4352	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svhost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\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 11 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:

svhost.exesvhost.execmd.exeschtasks.exesvhost.exesvhost.exesvhost.exeNew Client.exechoice.exetaskkill.exeschtasks.exe

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

1196 taskkill.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

3716 schtasks.exe

pid	process
1196	taskkill.exe

pid	process
3716	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svhost.exe

description	pid	process
Token: SeDebugPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: 33	4984	svhost.exe
Token: SeIncBasePriorityPrivilege	4984	svhost.exe
Token: SeShutdownPrivilege	4984	svhost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

New Client.execmd.exesvhost.exe

description	pid	process	target process
PID 1752 wrote to memory of 4984	1752	New Client.exe	svhost.exe
PID 1752 wrote to memory of 4984	1752	New Client.exe	svhost.exe
PID 1752 wrote to memory of 4984	1752	New Client.exe	svhost.exe
PID 1752 wrote to memory of 4956	1752	New Client.exe	cmd.exe
PID 1752 wrote to memory of 4956	1752	New Client.exe	cmd.exe
PID 1752 wrote to memory of 4956	1752	New Client.exe	cmd.exe
PID 4956 wrote to memory of 4816	4956	cmd.exe	choice.exe
PID 4956 wrote to memory of 4816	4956	cmd.exe	choice.exe
PID 4956 wrote to memory of 4816	4956	cmd.exe	choice.exe
PID 4984 wrote to memory of 1196	4984	svhost.exe	taskkill.exe
PID 4984 wrote to memory of 1196	4984	svhost.exe	taskkill.exe
PID 4984 wrote to memory of 1196	4984	svhost.exe	taskkill.exe
PID 4984 wrote to memory of 2304	4984	svhost.exe	schtasks.exe
PID 4984 wrote to memory of 2304	4984	svhost.exe	schtasks.exe
PID 4984 wrote to memory of 2304	4984	svhost.exe	schtasks.exe
PID 4984 wrote to memory of 3716	4984	svhost.exe	schtasks.exe
PID 4984 wrote to memory of 3716	4984	svhost.exe	schtasks.exe
PID 4984 wrote to memory of 3716	4984	svhost.exe	schtasks.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:1752
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f im Wireshark.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    PID:1196
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2304
- - 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:3716
- 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:4956
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 5
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4816

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:2872

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:3104

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:3840

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:4352

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
50045c5c59ae3eb2db5452fb39e13335

SHA1
56226b40d4458df7e92f802381401e4183c97cb2

SHA256
b90b2a4ba2c69f094edce48807ad1873b1265c83795139fbf4576697fe65cae9

SHA512
bb20f9389e69e4a17fa254bd3b77212797f3be159ec6129b3a1501db3e24fb7b12096fbdbfcc93c24ecdb3cea88eae8a58e279b39c0777b6a4e9d4c15057faa4

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

Filesize
65KB

MD5
adebf8218a6f1e5ace6965a397c58be8

SHA1
92af1426e006b354ac230f88c59eb813c73d9625

SHA256
99603c4aa08d90d8b53a010e07ca12ddbac2c72e1c5896534215d20ae14fbf30

SHA512
3dc12ef879a13f2554d3d422ddc9b73e579fe0927d0a4fea38d2cd457975ab4da12f0519e0bea87c7df096c6cae5b288947aa52470a44a4017884d36f333c3eb

Download Submit
memory/1752-0-0x000000007526E000-0x000000007526F000-memory.dmp

Filesize
4KB

Download
memory/1752-1-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/1752-2-0x0000000004C00000-0x0000000004C9C000-memory.dmp

Filesize
624KB

Download
memory/1752-3-0x0000000005270000-0x0000000005814000-memory.dmp

Filesize
5.6MB

Download
memory/4984-16-0x0000000004EA0000-0x0000000004F32000-memory.dmp

Filesize
584KB

Download
memory/4984-17-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4984-18-0x0000000004E10000-0x0000000004E1A000-memory.dmp

Filesize
40KB

Download
memory/4984-19-0x0000000005040000-0x00000000050A6000-memory.dmp

Filesize
408KB

Download
memory/4984-20-0x0000000005D30000-0x0000000005D48000-memory.dmp

Filesize
96KB

Download
memory/4984-21-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4984-22-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4984-15-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/4984-29-0x0000000002540000-0x000000000254E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads