njrat | a257729469dd5a70d282e08c5bd87e6e55540e37728368204218745840ffe76e

Analysis

max time kernel
150s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20241023-en
resource tags

arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
submitted
29-10-2024 23:35

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General

Target

New Client.exe
Size

65KB
MD5

8cf4617583acf1f05c867d91dfa88e29
SHA1

5fdf26cbad2eb6d466bc04199b42b2d40df3159c
SHA256

a257729469dd5a70d282e08c5bd87e6e55540e37728368204218745840ffe76e
SHA512

1d0513b1a2a81edb244c1d14ab3ec58ca168be562964251b32857a117b66c9fa4de075ee5bbb1f87caf4175c0c9e2414ffe6548aa22354ed2f5c9b480395add6
SSDEEP

1536:wfqK4Tm4BoN36t4QviFw1AjHkBnvbKfLteF3nLrB9z3nIaF9brS9vM:wfqK4C4BoN36t4QviFC8EBnefWl9zYaH

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

HacKed

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

Executes dropped EXE 3 IoCs

pid	Process
2556	svhost.exe
3108	svhost.exe
3128	svhost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000\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 14 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	taskkill.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	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New Client.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	schtasks.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2164	PING.EXE
4932	cmd.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
4092	taskkill.exe
3568	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2164	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3172	schtasks.exe
4828	schtasks.exe

Suspicious use of AdjustPrivilegeToken 32 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: 33	2556	svhost.exe
Token: SeIncBasePriorityPrivilege	2556	svhost.exe
Token: SeDebugPrivilege	3128	svhost.exe
Token: 33	3128	svhost.exe
Token: SeIncBasePriorityPrivilege	3128	svhost.exe
Token: 33	3128	svhost.exe
Token: SeIncBasePriorityPrivilege	3128	svhost.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 2556	4244	New Client.exe	80
PID 4244 wrote to memory of 2556	4244	New Client.exe	80
PID 4244 wrote to memory of 2556	4244	New Client.exe	80
PID 4244 wrote to memory of 1340	4244	New Client.exe	81
PID 4244 wrote to memory of 1340	4244	New Client.exe	81
PID 4244 wrote to memory of 1340	4244	New Client.exe	81
PID 1340 wrote to memory of 2668	1340	cmd.exe	83
PID 1340 wrote to memory of 2668	1340	cmd.exe	83
PID 1340 wrote to memory of 2668	1340	cmd.exe	83
PID 2556 wrote to memory of 4092	2556	svhost.exe	84
PID 2556 wrote to memory of 4092	2556	svhost.exe	84
PID 2556 wrote to memory of 4092	2556	svhost.exe	84
PID 2556 wrote to memory of 720	2556	svhost.exe	86
PID 2556 wrote to memory of 720	2556	svhost.exe	86
PID 2556 wrote to memory of 720	2556	svhost.exe	86
PID 2556 wrote to memory of 3172	2556	svhost.exe	88
PID 2556 wrote to memory of 3172	2556	svhost.exe	88
PID 2556 wrote to memory of 3172	2556	svhost.exe	88
PID 2556 wrote to memory of 4932	2556	svhost.exe	93
PID 2556 wrote to memory of 4932	2556	svhost.exe	93
PID 2556 wrote to memory of 4932	2556	svhost.exe	93
PID 4932 wrote to memory of 2164	4932	cmd.exe	95
PID 4932 wrote to memory of 2164	4932	cmd.exe	95
PID 4932 wrote to memory of 2164	4932	cmd.exe	95
PID 3128 wrote to memory of 3568	3128	svhost.exe	96
PID 3128 wrote to memory of 3568	3128	svhost.exe	96
PID 3128 wrote to memory of 3568	3128	svhost.exe	96
PID 3128 wrote to memory of 4376	3128	svhost.exe	98
PID 3128 wrote to memory of 4376	3128	svhost.exe	98
PID 3128 wrote to memory of 4376	3128	svhost.exe	98
PID 3128 wrote to memory of 4828	3128	svhost.exe	100
PID 3128 wrote to memory of 4828	3128	svhost.exe	100
PID 3128 wrote to memory of 4828	3128	svhost.exe	100

C:\Users\Admin\AppData\Local\Temp\New Client.exe
"C:\Users\Admin\AppData\Local\Temp\New Client.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4244
- 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:2556
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f im Wireshark.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    PID:4092
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:720
- - 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:3172
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4932
  - - C:\Windows\SysWOW64\PING.EXE
      ping 0 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2164
- 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:1340
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 5
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2668

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:3108

C:\Users\Admin\AppData\Local\Temp\svhost.exe
C:\Users\Admin\AppData\Local\Temp\svhost.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f im Wireshark.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  PID:3568
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4376
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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
be0f156c1e85296aedb6a369aecaad79

SHA1
c6bf4a0ca9dedc89d3e5c80dc719b192a7fb2d68

SHA256
5180fcf7402ced58140b920bf818eab64613a0e0ded1091eebf14cb57a80590a

SHA512
4968dd9c9647f15c9623736e207788e2a48bdd35419ef88b0a0563314baa373132093444280cb050c28ace657a22db703b55ba0803b1cb63232692cc6d3f0d2d

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

Filesize
65KB

MD5
8cf4617583acf1f05c867d91dfa88e29

SHA1
5fdf26cbad2eb6d466bc04199b42b2d40df3159c

SHA256
a257729469dd5a70d282e08c5bd87e6e55540e37728368204218745840ffe76e

SHA512
1d0513b1a2a81edb244c1d14ab3ec58ca168be562964251b32857a117b66c9fa4de075ee5bbb1f87caf4175c0c9e2414ffe6548aa22354ed2f5c9b480395add6

Download Submit
memory/2556-18-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/2556-21-0x0000000074DC0000-0x0000000075571000-memory.dmp

Filesize
7.7MB

Download
memory/2556-32-0x0000000074DC0000-0x0000000075571000-memory.dmp

Filesize
7.7MB

Download
memory/2556-15-0x0000000074DC0000-0x0000000075571000-memory.dmp

Filesize
7.7MB

Download
memory/2556-16-0x00000000056E0000-0x0000000005772000-memory.dmp

Filesize
584KB

Download
memory/2556-17-0x0000000074DC0000-0x0000000075571000-memory.dmp

Filesize
7.7MB

Download
memory/2556-25-0x0000000006810000-0x000000000681A000-memory.dmp

Filesize
40KB

Download
memory/2556-19-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/2556-20-0x00000000066C0000-0x00000000066D8000-memory.dmp

Filesize
96KB

Download
memory/2556-24-0x0000000006A00000-0x0000000006A22000-memory.dmp

Filesize
136KB

Download
memory/2556-22-0x0000000005910000-0x000000000591E000-memory.dmp

Filesize
56KB

Download
memory/2556-23-0x0000000074DC0000-0x0000000075571000-memory.dmp

Filesize
7.7MB

Download
memory/3128-33-0x0000000006570000-0x0000000006588000-memory.dmp

Filesize
96KB

Download
memory/4244-3-0x0000000005AE0000-0x0000000006086000-memory.dmp

Filesize
5.6MB

Download
memory/4244-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/4244-1-0x00000000009B0000-0x00000000009C6000-memory.dmp

Filesize
88KB

Download
memory/4244-2-0x0000000005450000-0x00000000054EC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads