njrat | 99603c4aa08d90d8b53a010e07ca12ddbac2c72e1c5896534215d20ae14fbf30

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2704 cmd.exe
Executes dropped EXE 6 IoCs

Processes:

svhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exe

pid process

2792 svhost.exe
2968 svhost.exe
2608 svhost.exe
740 svhost.exe
2332 svhost.exe
2740 svhost.exe
Loads dropped DLL 1 IoCs

Processes:

New Client.exe

pid process

2808 New Client.exe

pid	process
2704	cmd.exe

pid	process
2792	svhost.exe
2968	svhost.exe
2608	svhost.exe
740	svhost.exe
2332	svhost.exe
2740	svhost.exe

pid	process
2808	New Client.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-1-5-21-3692679935-4019334568-335155002-1000\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 12 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:

taskkill.exeschtasks.exesvhost.exesvhost.exesvhost.execmd.exechoice.exeschtasks.exesvhost.exesvhost.exeNew Client.exesvhost.exe

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

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2712 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

2404 schtasks.exe

pid	process
2712	taskkill.exe

pid	process
2404	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svhost.exe

description	pid	process
Token: SeDebugPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe
Token: SeIncBasePriorityPrivilege	2792	svhost.exe
Token: 33	2792	svhost.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

New Client.execmd.exesvhost.exetaskeng.exe

description	pid	process	target process
PID 2808 wrote to memory of 2792	2808	New Client.exe	svhost.exe
PID 2808 wrote to memory of 2792	2808	New Client.exe	svhost.exe
PID 2808 wrote to memory of 2792	2808	New Client.exe	svhost.exe
PID 2808 wrote to memory of 2792	2808	New Client.exe	svhost.exe
PID 2808 wrote to memory of 2704	2808	New Client.exe	cmd.exe
PID 2808 wrote to memory of 2704	2808	New Client.exe	cmd.exe
PID 2808 wrote to memory of 2704	2808	New Client.exe	cmd.exe
PID 2808 wrote to memory of 2704	2808	New Client.exe	cmd.exe
PID 2704 wrote to memory of 3028	2704	cmd.exe	choice.exe
PID 2704 wrote to memory of 3028	2704	cmd.exe	choice.exe
PID 2704 wrote to memory of 3028	2704	cmd.exe	choice.exe
PID 2704 wrote to memory of 3028	2704	cmd.exe	choice.exe
PID 2792 wrote to memory of 2712	2792	svhost.exe	taskkill.exe
PID 2792 wrote to memory of 2712	2792	svhost.exe	taskkill.exe
PID 2792 wrote to memory of 2712	2792	svhost.exe	taskkill.exe
PID 2792 wrote to memory of 2712	2792	svhost.exe	taskkill.exe
PID 2792 wrote to memory of 2112	2792	svhost.exe	schtasks.exe
PID 2792 wrote to memory of 2112	2792	svhost.exe	schtasks.exe
PID 2792 wrote to memory of 2112	2792	svhost.exe	schtasks.exe
PID 2792 wrote to memory of 2112	2792	svhost.exe	schtasks.exe
PID 2792 wrote to memory of 2404	2792	svhost.exe	schtasks.exe
PID 2792 wrote to memory of 2404	2792	svhost.exe	schtasks.exe
PID 2792 wrote to memory of 2404	2792	svhost.exe	schtasks.exe
PID 2792 wrote to memory of 2404	2792	svhost.exe	schtasks.exe
PID 2424 wrote to memory of 2968	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2968	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2968	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2968	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2608	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2608	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2608	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2608	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 740	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 740	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 740	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 740	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2332	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2332	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2332	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2332	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2740	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2740	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2740	2424	taskeng.exe	svhost.exe
PID 2424 wrote to memory of 2740	2424	taskeng.exe	svhost.exe

C:\Users\Admin\AppData\Local\Temp\New Client.exe
"C:\Users\Admin\AppData\Local\Temp\New Client.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2792
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f im Wireshark.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    PID:2712
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2112
- - 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:2404
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 5
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3028

C:\Windows\system32\taskeng.exe
taskeng.exe {BA43727C-C89C-4D67-80E9-4C90EA7578CF} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2968
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:740
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2740

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

System Information Discovery

1

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

\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
65KB

MD5
adebf8218a6f1e5ace6965a397c58be8

SHA1
92af1426e006b354ac230f88c59eb813c73d9625

SHA256
99603c4aa08d90d8b53a010e07ca12ddbac2c72e1c5896534215d20ae14fbf30

SHA512
3dc12ef879a13f2554d3d422ddc9b73e579fe0927d0a4fea38d2cd457975ab4da12f0519e0bea87c7df096c6cae5b288947aa52470a44a4017884d36f333c3eb

Download Submit
memory/2792-11-0x0000000000880000-0x0000000000896000-memory.dmp

Filesize
88KB

Download
memory/2792-12-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-13-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-14-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-15-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-21-0x0000000000550000-0x000000000055E000-memory.dmp

Filesize
56KB

Download
memory/2808-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2808-1-0x00000000012C0000-0x00000000012D6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads