| File name: | IEXPLORE.EXE |
| Full analysis: | https://app.any.run/tasks/a5eaffd8-90d3-4629-bc01-3ef2267d067b |
| Verdict: | Malicious activity |
| Analysis date: | November 02, 2023, 19:51:33 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 875A806F3B37F0268E47DB10E410A761 |
| SHA1: | 2408B526DB41CAD7CFF345AA5753476147F8F0B4 |
| SHA256: | 0B4CBE7838D5C2E166B446A2FDF63FEC79E033C4CED7EB5CC60431B8F22E6700 |
| SSDEEP: | 24576:hV67iNkjibmEFhOHGo4uh68QqyxBXSCXPGms1lw3F0YmKDSd0ujsE58Vq84wE8hI:f6WNkebmEFhOHGo4uh68QqyxBXSCXPGB |
MALICIOUS
Create files in the Startup directory
- IEXPLORE.EXE (PID: 2704)
REVENGERAT has been detected (YARA)
- RegAsm.exe (PID: 2584)
Drops the executable file immediately after the start
- IEXPLORE.EXE (PID: 2704)
SUSPICIOUS
Process drops legitimate windows executable
- IEXPLORE.EXE (PID: 2704)
Connects to unusual port
- RegAsm.exe (PID: 2584)
INFO
Reads the computer name
- RegAsm.exe (PID: 2584)
- IEXPLORE.EXE (PID: 2704)
Checks supported languages
- IEXPLORE.EXE (PID: 2704)
- RegAsm.exe (PID: 2584)
Reads Environment values
- RegAsm.exe (PID: 2584)
Reads the machine GUID from the registry
- RegAsm.exe (PID: 2584)
- IEXPLORE.EXE (PID: 2704)
Reads mouse settings
- IEXPLORE.EXE (PID: 2704)
Creates files or folders in the user directory
- IEXPLORE.EXE (PID: 2704)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
RevengeRat
(PID) Process(2584) RegAsm.exe
C2 (1)marzorevenger.duckdns.org
Ports (1)4230
BotnetMarzo26
Options
MutexRV_MUTEX-PiGGjjtnxDpn
Splitter*-]NK[-*
KeyRevenge-RAT
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:04:15 15:41:58+02:00 |
| ImageFileCharacteristics: | Executable, Large address aware, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 12 |
| CodeSize: | 581632 |
| InitializedDataSize: | 339456 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2800a |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| FileDescription: | Internet Explorer |
| OriginalFileName: | IEXPLORE.EXE.MUI |
| CompanyName: | Microsoft Corporation |
| FileVersion: | ... |
| LegalCopyright: | © Microsoft Corporation. Todos los derechos reservados. |
| ProductName: | Internet Explorer |
| ProductVersion: | ... |
Total processes
33
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2584 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | IEXPLORE.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 2.0.50727.5483 (Win7SP1GDR.050727-5400) Modules
RevengeRat(PID) Process(2584) RegAsm.exe C2 (1)marzorevenger.duckdns.org Ports (1)4230 BotnetMarzo26 Options MutexRV_MUTEX-PiGGjjtnxDpn Splitter*-]NK[-* KeyRevenge-RAT | |||||||||||||||
| 2704 | "C:\Users\admin\AppData\Local\Temp\IEXPLORE.EXE" | C:\Users\admin\AppData\Local\Temp\IEXPLORE.EXE | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 0 Version: ... Modules
| |||||||||||||||
Total events
389
Read events
389
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2704 | IEXPLORE.EXE | C:\Users\admin\AppData\Roaming\at\AudioHandlers.vbs | text | |
MD5:5DC739721EE149250F350789982A45A7 | SHA256:D71D4C789B61109A93C8FDBC766FC4F5965D7A8AE8985DA38216B6B2E4314A64 | |||
| 2704 | IEXPLORE.EXE | C:\Users\admin\AppData\Roaming\at\MicrosoftEdgeCP.exe | executable | |
MD5:DF7CA896742E5F5964132BC177A6DAD2 | SHA256:88172DC9F086C4663440E4CA6287B1664794E5EB62F20203F6B499AA3FE3207B | |||
| 2704 | IEXPLORE.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url | text | |
MD5:C3980403F528C8ED9DD1479439EEA951 | SHA256:2CC1E7EA2DA97B01A70FA5158622DF1286C747B61B37073953E97E736006DA1A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
12
DNS requests
3
Threats
4
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 |
2584 | RegAsm.exe | 186.85.86.137:4230 | marzorevenger.duckdns.org | Telmex Colombia S.A. | CO | unknown |
324 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1956 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
marzorevenger.duckdns.org |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
324 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain |
324 | svchost.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
324 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain |
324 | svchost.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |