njrat | 683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 13:07

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General

Target

683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Size

43KB
MD5

0688d33b45b1191af2dd7d59826cc154
SHA1

0491bce21d65f791ccc9c2bece5da1eaef39b07a
SHA256

683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f
SHA512

c6426f6ec916c7a3e8f7cc57a748246c5a5676fc8bd6df5f422d6799790c915a0337cd8958769de279ca6ee8a68981d4ae5af96bf0105d797e42cd6928ac91d5
SSDEEP

384:PZyt4DgolYxOoyi08Hyf2ASEN8MFQPzgIij+ZsNO3PlpJKkkjh/TzF7pWn4/grez:xsouIli04kDP8qwuXQ/oF/+LU

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

95.79.32.220:28015

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

Njrat family
njrat
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\Java update.exe	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

Executes dropped EXE 3 IoCs

pid	Process
2672	Server.exe
2396	Server.exe
1344	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe\" .."	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe\" .."	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

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	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.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

pid	Process
2088	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: 33	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
Token: SeIncBasePriorityPrivilege	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2088	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe	31
PID 2496 wrote to memory of 2088	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe	31
PID 2496 wrote to memory of 2088	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe	31
PID 2496 wrote to memory of 2088	2496	683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe	31
PID 2880 wrote to memory of 2672	2880	taskeng.exe	34
PID 2880 wrote to memory of 2672	2880	taskeng.exe	34
PID 2880 wrote to memory of 2672	2880	taskeng.exe	34
PID 2880 wrote to memory of 2672	2880	taskeng.exe	34
PID 2880 wrote to memory of 2396	2880	taskeng.exe	35
PID 2880 wrote to memory of 2396	2880	taskeng.exe	35
PID 2880 wrote to memory of 2396	2880	taskeng.exe	35
PID 2880 wrote to memory of 2396	2880	taskeng.exe	35
PID 2880 wrote to memory of 1344	2880	taskeng.exe	36
PID 2880 wrote to memory of 1344	2880	taskeng.exe	36
PID 2880 wrote to memory of 1344	2880	taskeng.exe	36
PID 2880 wrote to memory of 1344	2880	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe
"C:\Users\Admin\AppData\Local\Temp\683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2088

C:\Windows\system32\taskeng.exe
taskeng.exe {20EC0B97-B9B0-4400-9DDC-7D7252AA7025} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1344

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

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\Local\Temp\Server.exe

Filesize
43KB

MD5
0688d33b45b1191af2dd7d59826cc154

SHA1
0491bce21d65f791ccc9c2bece5da1eaef39b07a

SHA256
683987dc12a8cffcfa59ca6dbc50bfd0695252527ab6be83a35ea6c25a34c36f

SHA512
c6426f6ec916c7a3e8f7cc57a748246c5a5676fc8bd6df5f422d6799790c915a0337cd8958769de279ca6ee8a68981d4ae5af96bf0105d797e42cd6928ac91d5

Download Submit
memory/2496-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/2496-1-0x00000000012A0000-0x00000000012B2000-memory.dmp

Filesize
72KB

Download
memory/2496-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-5-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/2496-6-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-9-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-10-0x0000000000950000-0x0000000000962000-memory.dmp

Filesize
72KB

Download
memory/2672-11-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-12-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads