njrat | 0a2b53b63e489324c13eb75d7543a4e10755ae341522e1e795230c1eeffe8bff

Analysis

max time kernel
1799s
max time network
1799s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 16:53

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General

Target

njRAT-RED-V12.exe
Size

27KB
MD5

6bafe0541bffb68e63ef17c551258ac6
SHA1

804366c8260b1fd73ed84e4a5a65c159aa8def05
SHA256

0a2b53b63e489324c13eb75d7543a4e10755ae341522e1e795230c1eeffe8bff
SHA512

9d3ef0651f79b590aa8a334daf4bcbba079052b7c38717b3bf0b5e67ebecee91757039d08697c86b197f2518314e5bd2f1a459b8b9c7e12cd3a11b0e08836409
SSDEEP

384:ILZxZ3ZfjHnGgk8QgLLwv6mxEP9AOWIMNAQk93vmhm7UMKmIEecKdbXTzm9bVhcF:2931jHGqghNA/vMHTi9bD

Score

10^/10

njrat windows discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

Windows

language-sublime.gl.at.ply.gg:59424

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	njRAT-RED-V12.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Updater.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	Updater.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Updater.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Updater.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Windows\\Updater.exe"	njRAT-RED-V12.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Updater.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Updater.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Updater.exe	njRAT-RED-V12.exe
File opened for modification	C:\Windows\Updater.exe	attrib.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 5 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	njRAT-RED-V12.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Updater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2540	Updater.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe
Token: SeIncBasePriorityPrivilege	2540	Updater.exe
Token: 33	2540	Updater.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2540	2104	njRAT-RED-V12.exe	31
PID 2104 wrote to memory of 2540	2104	njRAT-RED-V12.exe	31
PID 2104 wrote to memory of 2540	2104	njRAT-RED-V12.exe	31
PID 2104 wrote to memory of 2540	2104	njRAT-RED-V12.exe	31
PID 2104 wrote to memory of 2540	2104	njRAT-RED-V12.exe	31
PID 2104 wrote to memory of 2540	2104	njRAT-RED-V12.exe	31
PID 2104 wrote to memory of 2540	2104	njRAT-RED-V12.exe	31
PID 2104 wrote to memory of 2316	2104	njRAT-RED-V12.exe	32
PID 2104 wrote to memory of 2316	2104	njRAT-RED-V12.exe	32
PID 2104 wrote to memory of 2316	2104	njRAT-RED-V12.exe	32
PID 2104 wrote to memory of 2316	2104	njRAT-RED-V12.exe	32
PID 2540 wrote to memory of 3000	2540	Updater.exe	34
PID 2540 wrote to memory of 3000	2540	Updater.exe	34
PID 2540 wrote to memory of 3000	2540	Updater.exe	34
PID 2540 wrote to memory of 3000	2540	Updater.exe	34
PID 2540 wrote to memory of 2744	2540	Updater.exe	35
PID 2540 wrote to memory of 2744	2540	Updater.exe	35
PID 2540 wrote to memory of 2744	2540	Updater.exe	35
PID 2540 wrote to memory of 2744	2540	Updater.exe	35

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2316	attrib.exe
3000	attrib.exe
2744	attrib.exe

C:\Users\Admin\AppData\Local\Temp\njRAT-RED-V12.exe
"C:\Users\Admin\AppData\Local\Temp\njRAT-RED-V12.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\Updater.exe
  "C:\Windows\Updater.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3000
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2744
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Windows\Updater.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
c7bacc12f165ab5dbbd5a2ae9f2dfca3

SHA1
b5017a1d4edee7765391990b42e58043e84b5914

SHA256
824baa52042f45bb6bf540719d4635dda57d85989086686e4cf765970847b90e

SHA512
acc855362f306368ccbca867f73525e4f2f6cec6c8114e9a706766fdfbe58edcb7b3821b174ab0f22a820e79ecc6ea6a93e1508617745e17015807c2610a4cb7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1018B

MD5
5ee8b0aaba1bbc7650be293e7ba97e38

SHA1
fecdfe9bc6eb3dd1648d11d954fcd7222a2c8e05

SHA256
3931dc1e16b459204b7301391b08fb84190b1bbe5721bb8b2d3a24fa2b37d474

SHA512
a3c9ba8c5bebd4a9cddc2b43429a2d5824870e17288939d9bfa333ab35601f78da80405c34bde9a215f88ec5ca01ca4c6ee0d4af69bee4b0c130a1ac8be311ac

Download Submit
C:\Windows\Updater.exe

Filesize
27KB

MD5
6bafe0541bffb68e63ef17c551258ac6

SHA1
804366c8260b1fd73ed84e4a5a65c159aa8def05

SHA256
0a2b53b63e489324c13eb75d7543a4e10755ae341522e1e795230c1eeffe8bff

SHA512
9d3ef0651f79b590aa8a334daf4bcbba079052b7c38717b3bf0b5e67ebecee91757039d08697c86b197f2518314e5bd2f1a459b8b9c7e12cd3a11b0e08836409

Download Submit
memory/2104-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-4-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-12-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-11-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-13-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-14-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2540-19-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads