| File name: | DismHost_4.exe |
| Full analysis: | https://app.any.run/tasks/ef3275d8-639f-4237-9c78-a265345790d7 |
| 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: | November 30, 2020, 06:31:25 |
| 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: | 3854B070797F407C9ABA3912B1535FCA |
| SHA1: | A6B09E1676625EA3779B0DC710C0683C91BFE515 |
| SHA256: | 89C7F9076D6A06237AB363F7E267D7BFA6EB6418913A076B2E99535F4BCEF676 |
| SSDEEP: | 768:AiYNljM3XRNZkY1yQQ60crbUrkH2IHi/U1ZKKGvyiIbp83:AUXZBjYcdH2ICxKf1 |
MALICIOUS
Changes the autorun value in the registry
- DismHost_4.exe (PID: 2140)
Changes settings of System certificates
- DismHost.exe (PID: 3076)
Connects to CnC server
- DismHost.exe (PID: 3076)
NJRAT was detected
- DismHost.exe (PID: 3076)
Uses Task Scheduler to run other applications
- DismHost.exe (PID: 3076)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 3744)
SUSPICIOUS
Executable content was dropped or overwritten
- DismHost_4.exe (PID: 2140)
Drops a file with a compile date too recent
- DismHost_4.exe (PID: 2140)
Starts itself from another location
- DismHost_4.exe (PID: 2140)
Adds / modifies Windows certificates
- DismHost.exe (PID: 3076)
Starts CMD.EXE for self-deleting
- DismHost.exe (PID: 3076)
Starts CMD.EXE for commands execution
- DismHost.exe (PID: 3076)
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
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:11:30 07:25:50+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 38400 |
| InitializedDataSize: | 38400 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xb49e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 30-Nov-2020 06:25:50 |
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: | 2 |
| Time date stamp: | 30-Nov-2020 06:25:50 |
| 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 | 0x000094A4 | 0x00009600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.32386 |
.reloc | 0x0000C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Imports
mscoree.dll |
Total processes
40
Monitored processes
5
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 352 | ping 0 -n 2 | C:\Windows\system32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2140 | "C:\Users\admin\AppData\Local\Temp\DismHost_4.exe" | C:\Users\admin\AppData\Local\Temp\DismHost_4.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2712 | cmd.exe /c ping 0 -n 2 & del "C:\Users\admin\AppData\Local\Temp\DismHost.exe" | C:\Windows\system32\cmd.exe | — | DismHost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3076 | "C:\Users\admin\AppData\Local\Temp\DismHost.exe" | C:\Users\admin\AppData\Local\Temp\DismHost.exe | DismHost_4.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3744 | schtasks /Delete /tn LimeRAT-Admin /F | C:\Windows\system32\schtasks.exe | — | DismHost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
466
Read events
432
Write events
31
Delete events
3
Modification events
| (PID) Process: | (2140) DismHost_4.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | DismHost.exe |
Value: C:\Users\admin\AppData\Local\Temp\DismHost.exe | |||
| (PID) Process: | (2140) DismHost_4.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2140) DismHost_4.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3076) DismHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3076) DismHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3076) DismHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3076) DismHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3076) DismHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3076) DismHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (3076) DismHost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2140 | DismHost_4.exe | C:\Users\admin\AppData\Local\Temp\DismHost.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
2
DNS requests
2
Threats
6
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 |
|---|---|---|---|---|---|---|
3076 | DismHost.exe | 104.23.99.190:443 | pastebin.com | Cloudflare Inc | US | malicious |
3076 | DismHost.exe | 3.128.107.74:16295 | 2.tcp.ngrok.io | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
pastebin.com |
| malicious |
2.tcp.ngrok.io |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1060 | svchost.exe | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
3076 | DismHost.exe | A Network Trojan was detected | MALWARE [PTsecurity] Lime-RAT (Gen.NjRAT) |
3076 | DismHost.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi (Lime-RAT) |
3 ETPRO signatures available at the full report