analyze malware
- Huge database of samples and IOCs
- Custom VM setup
- Unlimited submissions
- Interactive approach
| File name: | Servтттттer.exe |
| Full analysis: | https://app.any.run/tasks/1b0127ce-5c41-47d1-a66b-05290c5c0f65 |
| 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: | October 19, 2020, 23:43:53 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 81334F6C1C636CE0303830311BC58780 |
| SHA1: | 50B6976B2612891371493CAAB78ED89501FCADC9 |
| SHA256: | 7A03170E6798E929B3BF7A778B40BD5461DB60D924C70E1EC90E970EF701F0D6 |
| SSDEEP: | 384:3ZykLYdM9qIyrWAvZWVOwMRuQl4D7W9D9O5UE5QzwBlpJNakkjh/TzF7pWnUPgrW:J2CwFrtZkO9uVjvQO+p1+L |
MALICIOUS
Uses Task Scheduler to run other applications
- system32t.exe (PID: 2536)
Writes to a start menu file
- system32t.exe (PID: 2536)
Changes the autorun value in the registry
- system32t.exe (PID: 2536)
NJRAT was detected
- system32t.exe (PID: 2536)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 2228)
Connects to CnC server
- system32t.exe (PID: 2536)
SUSPICIOUS
Executable content was dropped or overwritten
- Servтттттer.exe (PID: 2244)
- system32t.exe (PID: 2536)
Starts itself from another location
- Servтттттer.exe (PID: 2244)
Creates files in the user directory
- system32t.exe (PID: 2536)
Executed via Task Scheduler
- Server.exe (PID: 1840)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xc2ae |
| UninitializedDataSize: | - |
| InitializedDataSize: | 1536 |
| CodeSize: | 41984 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| TimeStamp: | 2020:10:20 01:43:16+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 19-Oct-2020 23:43:16 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 19-Oct-2020 23:43:16 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x0000A2B4 | 0x0000A400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.67599 |
.rsrc | 0x0000E000 | 0x00000400 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.51607 |
.reloc | 0x00010000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
38
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2244 | "C:\Users\admin\AppData\Local\Temp\Servтттттer.exe" | C:\Users\admin\AppData\Local\Temp\Servтттттer.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2536 | "C:\Users\admin\AppData\Local\Temp\system32t.exe" | C:\Users\admin\AppData\Local\Temp\system32t.exe | Servтттттer.exe | |
User: admin Integrity Level: MEDIUM | ||||
| 2228 | schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\admin\AppData\Local\Temp/Server.exe | C:\Windows\system32\schtasks.exe | — | system32t.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 1840 | C:\Users\admin\AppData\Local\Temp/Server.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | — | taskeng.exe |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
Total events
465
Read events
423
Write events
0
Delete events
0
Modification events
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2536 | system32t.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | executable | |
MD5:81334F6C1C636CE0303830311BC58780 | SHA256:7A03170E6798E929B3BF7A778B40BD5461DB60D924C70E1EC90E970EF701F0D6 | |||
| 2536 | system32t.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | executable | |
MD5:81334F6C1C636CE0303830311BC58780 | SHA256:7A03170E6798E929B3BF7A778B40BD5461DB60D924C70E1EC90E970EF701F0D6 | |||
| 2244 | Servтттттer.exe | C:\Users\admin\AppData\Local\Temp\system32t.exe | executable | |
MD5:81334F6C1C636CE0303830311BC58780 | SHA256:7A03170E6798E929B3BF7A778B40BD5461DB60D924C70E1EC90E970EF701F0D6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
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 |
|---|---|---|---|---|---|---|
2536 | system32t.exe | 3.13.191.225:16863 | 0.tcp.ngrok.io | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
0.tcp.ngrok.io |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
2536 | system32t.exe | A Network Trojan was detected | ET TROJAN Bladabindi/njRAT CnC Command (ll) |
2536 | system32t.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
2536 | system32t.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
7 ETPRO signatures available at the full report