njrat | 491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 19:26

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General

Target

491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Size

25KB
MD5

342696fe21a53e26ed0fe6f07ab44807
SHA1

fd7d1ed14e6afa230d0f3a572c5b1d17972e3ef5
SHA256

491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221
SHA512

72abdefa832defa0bf71c15159571fec0456787492c411cf749a78fdb77a6af01121459c4e4f84e57bf5cdeea32dbf22e43cf7705a9082504ca2b091ed133101
SSDEEP

384:5vcTz4TmmqZIQQptCtRZRe15p45cjAh+v2Y/Oz6JT8BNAZwBiy:5vkGQgctKp45h+OY/AC4Pl

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

harris974.ddns.net:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

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\Java update.exe	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe

Executes dropped EXE 2 IoCs

pid	Process
2712	Server.exe
1536	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe\" .."	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe\" .."	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.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
2500	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
1536	Server.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: 33	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
Token: SeIncBasePriorityPrivilege	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2500	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe	31
PID 2976 wrote to memory of 2500	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe	31
PID 2976 wrote to memory of 2500	2976	491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe	31
PID 2928 wrote to memory of 2712	2928	taskeng.exe	34
PID 2928 wrote to memory of 2712	2928	taskeng.exe	34
PID 2928 wrote to memory of 2712	2928	taskeng.exe	34
PID 2928 wrote to memory of 1536	2928	taskeng.exe	35
PID 2928 wrote to memory of 1536	2928	taskeng.exe	35
PID 2928 wrote to memory of 1536	2928	taskeng.exe	35

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
"C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\system32\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2500

C:\Windows\system32\taskeng.exe
taskeng.exe {4FC0023D-B709-40D2-B84C-C2A915064DBF} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1536

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Server.exe

Filesize
25KB

MD5
342696fe21a53e26ed0fe6f07ab44807

SHA1
fd7d1ed14e6afa230d0f3a572c5b1d17972e3ef5

SHA256
491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221

SHA512
72abdefa832defa0bf71c15159571fec0456787492c411cf749a78fdb77a6af01121459c4e4f84e57bf5cdeea32dbf22e43cf7705a9082504ca2b091ed133101

Download Submit
memory/2712-16-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2712-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2712-19-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2712-18-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2712-17-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2712-12-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2712-14-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2712-13-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2976-1-0x0000000000480000-0x0000000000492000-memory.dmp

Filesize
72KB

Download
memory/2976-2-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2976-8-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2976-0-0x000007FEF5AEE000-0x000007FEF5AEF000-memory.dmp

Filesize
4KB

Download
memory/2976-7-0x000007FEF5AEE000-0x000007FEF5AEF000-memory.dmp

Filesize
4KB

Download
memory/2976-6-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download
memory/2976-3-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads