| File name: | Umbrella.flv.exe |
| Full analysis: | https://app.any.run/tasks/f1ccd24c-40f7-4b36-80c9-078ac91bf28d |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | December 02, 2023, 20:45:25 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 9C8CFC8027B21FF03525C1880ED347C1 |
| SHA1: | 3565BA9D14AB917ED66625A968BEF184089E3C32 |
| SHA256: | 76231F72576C98527990B748706FD506D2FED084D12EBDC7B4E7952D1859E236 |
| SSDEEP: | 768:2sP8uJR5E/iI2tWGsZhYWo/WMyjBScP+FupiajVQNPl1Rz4Rk3+psOdMTjBto:H3ttW5omFkcP+ouZl1dDwSTjP |
MALICIOUS
Create files in the Startup directory
- Umbrella.flv.exe (PID: 2560)
NJRAT has been detected (YARA)
- Umbrella.flv.exe (PID: 2560)
Drops the executable file immediately after the start
- Umbrella.flv.exe (PID: 2560)
SUSPICIOUS
Uses NETSH.EXE to add a firewall rule or allowed programs
- Umbrella.flv.exe (PID: 2560)
INFO
Create files in a temporary directory
- Umbrella.flv.exe (PID: 2560)
Checks supported languages
- Umbrella.flv.exe (PID: 2560)
Reads the computer name
- Umbrella.flv.exe (PID: 2560)
Reads the machine GUID from the registry
- Umbrella.flv.exe (PID: 2560)
Creates files or folders in the user directory
- Umbrella.flv.exe (PID: 2560)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
NjRat
(PID) Process(2560) Umbrella.flv.exe
C2/0.tcp.eu.ngrok.io
Ports13000
BotnetHacKed
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\01d59f5df160e737b4f48d99a25a641a
Splitter|'|'|
Version0.7d
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:12:02 17:52:32+01:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 94208 |
| InitializedDataSize: | 512 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x18e8e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
34
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2560 | "C:\Users\admin\AppData\Local\Temp\Umbrella.flv.exe" | C:\Users\admin\AppData\Local\Temp\Umbrella.flv.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
NjRat(PID) Process(2560) Umbrella.flv.exe C2/0.tcp.eu.ngrok.io Ports13000 BotnetHacKed Options Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\01d59f5df160e737b4f48d99a25a641a Splitter|'|'| Version0.7d | |||||||||||||||
| 2796 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\Umbrella.flv.exe" "Umbrella.flv.exe" ENABLE | C:\Windows\SysWOW64\netsh.exe | — | Umbrella.flv.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
608
Read events
571
Write events
37
Delete events
0
Modification events
| (PID) Process: | (2796) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\15A\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2560 | Umbrella.flv.exe | C:\Users\admin\AppData\Roaming\app | text | |
MD5:931DB99E42055249760280846B3D667A | SHA256:2A6B5DD5F6530A184EBA6F0CCED2C935751CF2C27FC3AB2E7124E76A249FDEE6 | |||
| 2560 | Umbrella.flv.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\java.exe | executable | |
MD5:9C8CFC8027B21FF03525C1880ED347C1 | SHA256:76231F72576C98527990B748706FD506D2FED084D12EBDC7B4E7952D1859E236 | |||
| 2560 | Umbrella.flv.exe | C:\Users\admin\AppData\Local\Temp\FransescoPast.txt | text | |
MD5:E85A5FF79B2ECA9DB7861E39CCB4D5D8 | SHA256:E271E844302DAF87498511FB824830189442E0CF7CB10B962CA90BF7048872B9 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1956 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
324 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |