| File name: | Roblox.exe |
| Full analysis: | https://app.any.run/tasks/3dfde13c-c0c7-485d-9e75-ab490ccbe48f |
| 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 11, 2020, 07:54:10 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive |
| MD5: | 39693A62A6012DA530324E06452CF09D |
| SHA1: | ABEAE36F9E542CD54FDBC09E758E2AB986FD7CF1 |
| SHA256: | A9674447E1D8D178B6B5029BDD109E91642CB0D9C542FDF92A6B531C41B1A177 |
| SSDEEP: | 1536:MKDqJvz2xyM40DSmJCQ5hO+I+BUBL4XaR5zwWNG++Lmxv0wXyr8C:MKDAfCDSmJC+5I+BUBL4G5zfjs40gC8C |
MALICIOUS
Application was dropped or rewritten from another process
- Defender-killer.exe (PID: 2776)
- Server.exe (PID: 3960)
- Dllhost.exe (PID: 2200)
Disables Windows Defender
- Defender-killer.exe (PID: 2776)
Writes to a start menu file
- Dllhost.exe (PID: 2200)
Connects to CnC server
- Dllhost.exe (PID: 2200)
Changes the autorun value in the registry
- Dllhost.exe (PID: 2200)
NJRAT was detected
- Dllhost.exe (PID: 2200)
SUSPICIOUS
Executable content was dropped or overwritten
- Roblox.exe (PID: 908)
- Server.exe (PID: 3960)
- Dllhost.exe (PID: 2200)
Creates files in the user directory
- powershell.exe (PID: 2028)
- Server.exe (PID: 3960)
- Dllhost.exe (PID: 2200)
Starts itself from another location
- Server.exe (PID: 3960)
Executes PowerShell scripts
- Defender-killer.exe (PID: 2776)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | NSIS - Nullsoft Scriptable Install System (94.8) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (3.4) |
| .dll | | | Win32 Dynamic Link Library (generic) (0.7) |
| .exe | | | Win32 Executable (generic) (0.5) |
| .exe | | | Generic Win/DOS Executable (0.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2007:03:31 17:09:55+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 23552 |
| InitializedDataSize: | 165376 |
| UninitializedDataSize: | 1024 |
| EntryPoint: | 0x315d |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 31-Mar-2007 15:09:55 |
| Detected languages: |
|
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: | 0x000000D8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 31-Mar-2007 15:09:55 |
| 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 | 0x00001000 | 0x00005BBA | 0x00005C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.47701 |
.rdata | 0x00007000 | 0x000011F0 | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.27568 |
.data | 0x00009000 | 0x000260D4 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.15843 |
.ndata | 0x00030000 | 0x00008000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00038000 | 0x0001B898 | 0x0001BA00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.27501 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 7.96127 | 11896 | UNKNOWN | English - United States | RT_ICON |
2 | 3.25906 | 67624 | UNKNOWN | English - United States | RT_ICON |
3 | 3.59208 | 16936 | UNKNOWN | English - United States | RT_ICON |
4 | 3.85577 | 9640 | UNKNOWN | English - United States | RT_ICON |
5 | 4.04447 | 4264 | UNKNOWN | English - United States | RT_ICON |
6 | 4.70148 | 1128 | UNKNOWN | English - United States | RT_ICON |
103 | 2.79908 | 90 | UNKNOWN | English - United States | RT_GROUP_ICON |
105 | 2.66174 | 256 | UNKNOWN | English - United States | RT_DIALOG |
106 | 2.88094 | 284 | UNKNOWN | English - United States | RT_DIALOG |
111 | 2.48825 | 96 | UNKNOWN | English - United States | RT_DIALOG |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
VERSION.dll |
ole32.dll |
Total processes
45
Monitored processes
6
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 908 | "C:\Users\admin\AppData\Local\Temp\Roblox.exe" | C:\Users\admin\AppData\Local\Temp\Roblox.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 932 | "C:\Users\admin\AppData\Local\Temp\Roblox.exe" | C:\Users\admin\AppData\Local\Temp\Roblox.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 2028 | "powershell" Get-MpPreference -verbose | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | Defender-killer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2200 | "C:\Users\admin\AppData\Roaming\Dllhost.exe" | C:\Users\admin\AppData\Roaming\Dllhost.exe | Server.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2776 | "C:\Users\admin\AppData\Local\Temp\Defender-killer.exe" | C:\Users\admin\AppData\Local\Temp\Defender-killer.exe | — | Roblox.exe | |||||||||||
User: admin Integrity Level: HIGH Description: Defender-killer Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3960 | "C:\Users\admin\AppData\Local\Temp\Server.exe" | C:\Users\admin\AppData\Local\Temp\Server.exe | Roblox.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
Total events
1 096
Read events
934
Write events
162
Delete events
0
Modification events
| (PID) Process: | (3960) Server.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | di |
Value: ! | |||
| (PID) Process: | (908) Roblox.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (908) Roblox.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2028) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2776) Defender-killer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiSpyware |
Value: 1 | |||
| (PID) Process: | (2776) Defender-killer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableBehaviorMonitoring |
Value: 1 | |||
| (PID) Process: | (2776) Defender-killer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableOnAccessProtection |
Value: 1 | |||
| (PID) Process: | (2776) Defender-killer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableScanOnRealtimeEnable |
Value: 1 | |||
| (PID) Process: | (3960) Server.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3960) Server.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
4
Suspicious files
2
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2028 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RA3V1N4MCIBJHLJ2ERYS.temp | — | |
MD5:— | SHA256:— | |||
| 2028 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF2d4693.TMP | binary | |
MD5:— | SHA256:— | |||
| 2028 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:— | SHA256:— | |||
| 908 | Roblox.exe | C:\Users\admin\AppData\Local\Temp\Defender-killer.exe | executable | |
MD5:— | SHA256:— | |||
| 3960 | Server.exe | C:\Users\admin\AppData\Roaming\Dllhost.exe | executable | |
MD5:— | SHA256:— | |||
| 908 | Roblox.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | executable | |
MD5:— | SHA256:— | |||
| 2200 | Dllhost.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | executable | |
MD5:— | SHA256:— | |||
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
11
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 |
|---|---|---|---|---|---|---|
2200 | Dllhost.exe | 2.59.119.177:7777 | trojenimadamim.duckdns.org | — | — | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
trojenimadamim.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1052 | svchost.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
2200 | Dllhost.exe | A Network Trojan was detected | ET TROJAN Bladabindi/njRAT CnC Command (ll) |
2200 | Dllhost.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
2200 | Dllhost.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
7 ETPRO signatures available at the full report