njrat | 777f77c1c53c3551c89ef44c86c06cbfe0b2bb04374b7d7d9f6153d3ecc3c267

Analysis

max time kernel
140s
max time network
156s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:10

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General

Target

4255dacb3601f46615055d9d23a538cd.exe
Size

43KB
MD5

4255dacb3601f46615055d9d23a538cd
SHA1

ec34d0c3dc3116f32eee59fc6b84ea0be8030529
SHA256

47dacc41ba9109e87ed4b26564fd6c20b4dfd7c457d0b5b2a32bf45b132da3df
SHA512

084feb9bf61e3641ade20c5c2c2049ec5d4ba1ce85ed5dcbd16c16b4d2dda1c15bdc86ba5ecf86d54676dd5efbe12c147e1e5dba87d29df64aba11a640b15505
SSDEEP

384:eZyDwNU1SoycwJmz0ZmhYYNE4OmMbycXzRpO9D9O5UE5QzwBlpJNakkjh/TzF7p0:kXqglcwJZQE/RycX3vQO+dK+L

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

3bada.ddns.net:5552

Mutex

Windows

Attributes

reg_key
Windows
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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows.exe	appdate.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows.exe	appdate.exe

Executes dropped EXE 4 IoCs

pid	Process
2180	appdate.exe
2856	Server.exe
2016	Server.exe
1428	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	4255dacb3601f46615055d9d23a538cd.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "\"C:\\Users\\Admin\\AppData\\Roaming\\appdate.exe\" .."	appdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "\"C:\\Users\\Admin\\AppData\\Roaming\\appdate.exe\" .."	appdate.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 6 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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4255dacb3601f46615055d9d23a538cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	appdate.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
2320	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2100	4255dacb3601f46615055d9d23a538cd.exe
2180	appdate.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe
Token: 33	2180	appdate.exe
Token: SeIncBasePriorityPrivilege	2180	appdate.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2180	2100	4255dacb3601f46615055d9d23a538cd.exe	30
PID 2100 wrote to memory of 2180	2100	4255dacb3601f46615055d9d23a538cd.exe	30
PID 2100 wrote to memory of 2180	2100	4255dacb3601f46615055d9d23a538cd.exe	30
PID 2100 wrote to memory of 2180	2100	4255dacb3601f46615055d9d23a538cd.exe	30
PID 2180 wrote to memory of 2320	2180	appdate.exe	32
PID 2180 wrote to memory of 2320	2180	appdate.exe	32
PID 2180 wrote to memory of 2320	2180	appdate.exe	32
PID 2180 wrote to memory of 2320	2180	appdate.exe	32
PID 2712 wrote to memory of 2856	2712	taskeng.exe	35
PID 2712 wrote to memory of 2856	2712	taskeng.exe	35
PID 2712 wrote to memory of 2856	2712	taskeng.exe	35
PID 2712 wrote to memory of 2856	2712	taskeng.exe	35
PID 2712 wrote to memory of 2016	2712	taskeng.exe	36
PID 2712 wrote to memory of 2016	2712	taskeng.exe	36
PID 2712 wrote to memory of 2016	2712	taskeng.exe	36
PID 2712 wrote to memory of 2016	2712	taskeng.exe	36
PID 2712 wrote to memory of 1428	2712	taskeng.exe	37
PID 2712 wrote to memory of 1428	2712	taskeng.exe	37
PID 2712 wrote to memory of 1428	2712	taskeng.exe	37
PID 2712 wrote to memory of 1428	2712	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\4255dacb3601f46615055d9d23a538cd.exe
"C:\Users\Admin\AppData\Local\Temp\4255dacb3601f46615055d9d23a538cd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Roaming\appdate.exe
  "C:\Users\Admin\AppData\Roaming\appdate.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:2180
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2320

C:\Windows\system32\taskeng.exe
taskeng.exe {A80294CE-D6FB-4443-B41C-102F2CC235E1} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2712
- 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:2856
- 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:2016
- 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:1428

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 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\appdate.exe

Filesize
43KB

MD5
4255dacb3601f46615055d9d23a538cd

SHA1
ec34d0c3dc3116f32eee59fc6b84ea0be8030529

SHA256
47dacc41ba9109e87ed4b26564fd6c20b4dfd7c457d0b5b2a32bf45b132da3df

SHA512
084feb9bf61e3641ade20c5c2c2049ec5d4ba1ce85ed5dcbd16c16b4d2dda1c15bdc86ba5ecf86d54676dd5efbe12c147e1e5dba87d29df64aba11a640b15505

Download Submit
memory/2100-0-0x0000000074B81000-0x0000000074B82000-memory.dmp

Filesize
4KB

Download
memory/2100-1-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2100-2-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2100-10-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2180-11-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2180-12-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download
memory/2180-15-0x0000000074B80000-0x000000007512B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads