| File name: | Solara.exe |
| Full analysis: | https://app.any.run/tasks/b188736d-89ec-4d8c-8f77-6542d1e1eede |
| Verdict: | Malicious activity |
| Threats: | DarkComet RAT is a malicious program designed to remotely control or administer a victim's computer, steal private data and spy on the victim. |
| Analysis date: | April 20, 2025, 23:16:25 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed, 3 sections |
| MD5: | 292CDB4F2EB760DB37FBAE9D24BD7457 |
| SHA1: | DB1FA8E6C82B632AB444391B5F4BCA8F5D975ED9 |
| SHA256: | F34F47F47B5EA1CAAACC04B58857E3161DA0C75AB2A8684B717269F6ACC20E64 |
| SSDEEP: | 12288:j7BbQDDHAVfL6UhrEg+VE5BPuriJcNZRT0hupwfJmn75/P5eDOGorYay7J:j7BbQcL6Uag+6TuriJcNjo0pUJm75OOa |
MALICIOUS
Changes the login/logoff helper path in the registry
- Solara.exe (PID: 6708)
DARKCOMET mutex has been found
- msdcsc.exe (PID: 4620)
- iexplore.exe (PID: 1132)
- msdcsc.exe (PID: 5260)
- notepad.exe (PID: 2692)
Changes the autorun value in the registry
- Solara.exe (PID: 6708)
- msdcsc.exe (PID: 4620)
- msdcsc.exe (PID: 5260)
SUSPICIOUS
Executable content was dropped or overwritten
- Solara.exe (PID: 6708)
Reads security settings of Internet Explorer
- Solara.exe (PID: 6708)
Starts CMD.EXE for commands execution
- Solara.exe (PID: 6708)
Start notepad (likely ransomware note)
- Solara.exe (PID: 6708)
Uses ATTRIB.EXE to modify file attributes
- cmd.exe (PID: 7148)
- cmd.exe (PID: 2960)
Starts itself from another location
- Solara.exe (PID: 6708)
INFO
The sample compiled with english language support
- Solara.exe (PID: 6708)
Reads the computer name
- Solara.exe (PID: 6708)
- msdcsc.exe (PID: 4620)
- msdcsc.exe (PID: 5260)
Auto-launch of the file from Registry key
- msdcsc.exe (PID: 4620)
- Solara.exe (PID: 6708)
- msdcsc.exe (PID: 5260)
Checks supported languages
- msdcsc.exe (PID: 4620)
- Solara.exe (PID: 6708)
- msdcsc.exe (PID: 5260)
Process checks computer location settings
- Solara.exe (PID: 6708)
Manual execution by a user
- msdcsc.exe (PID: 5260)
Checks proxy server information
- slui.exe (PID: 6572)
Reads the software policy settings
- slui.exe (PID: 6572)
Connects to unusual port
- iexplore.exe (PID: 1132)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | UPX compressed Win32 Executable (42.1) |
|---|---|---|
| .exe | | | Win32 EXE Yoda's Crypter (41.3) |
| .exe | | | Win32 Executable (generic) (7) |
| .exe | | | Win16/32 Executable Delphi generic (3.2) |
| .exe | | | Generic Win/DOS Executable (3.1) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2012:06:07 15:59:53+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 253952 |
| InitializedDataSize: | 217088 |
| UninitializedDataSize: | 696320 |
| EntryPoint: | 0xe88e0 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 4.0.0.0 |
| ProductVersionNumber: | 4.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| Comments: | Remote Service Application |
| CompanyName: | Microsoft Corp. |
| FileDescription: | Remote Service Application |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | MSRSAAPP |
| LegalCopyright: | Copyright (C) 1999 |
| OriginalFileName: | MSRSAAP.EXE |
| ProductName: | Remote Service Application |
| ProductVersion: | 4, 0, 0, 0 |
Total processes
138
Monitored processes
13
Malicious processes
5
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 780 | attrib "C:\Users\admin\Desktop\Solara.exe" +s +h | C:\Windows\SysWOW64\attrib.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Attribute Utility Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1132 | "C:\Program Files (x86)\Internet Explorer\iexplore.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | msdcsc.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Version: 11.00.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2504 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2692 | notepad | C:\Windows\SysWOW64\notepad.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2960 | "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\admin\Desktop" +s +h | C:\Windows\SysWOW64\cmd.exe | — | Solara.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4620 | "C:\Users\admin\Documents\MSDCSC\msdcsc.exe" | C:\Users\admin\Documents\MSDCSC\msdcsc.exe | Solara.exe | ||||||||||||
User: admin Company: Microsoft Corp. Integrity Level: MEDIUM Description: Remote Service Application Exit code: 0 Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 5260 | C:\Users\admin\Documents\MSDCSC\msdcsc.exe | C:\Users\admin\Documents\MSDCSC\msdcsc.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corp. Integrity Level: MEDIUM Description: Remote Service Application Exit code: 0 Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 5576 | notepad | C:\Windows\SysWOW64\notepad.exe | — | Solara.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 50462720 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5720 | attrib "C:\Users\admin\Desktop" +s +h | C:\Windows\SysWOW64\attrib.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Attribute Utility Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6572 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
5 778
Read events
5 755
Write events
23
Delete events
0
Modification events
| (PID) Process: | (6708) Solara.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicroUpdate |
Value: C:\Users\admin\Documents\MSDCSC\msdcsc.exe | |||
| (PID) Process: | (6708) Solara.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon |
| Operation: | write | Name: | UserInit |
Value: C:\Windows\system32\userinit.exe,C:\Users\admin\Documents\MSDCSC\msdcsc.exe | |||
| (PID) Process: | (6708) Solara.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer |
| Operation: | write | Name: | SlowContextMenuEntries |
Value: 6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100000114020000000000C0000000000000468D0000006078A409B011A54DAFA526D86198A7803901000060B81DB4E48ED2119906E49FADC173CA8D000000 | |||
| (PID) Process: | (1132) iexplore.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicroUpdate |
Value: C:\Users\admin\Documents\MSDCSC\msdcsc.exe | |||
| (PID) Process: | (4620) msdcsc.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicroUpdate |
Value: C:\Users\admin\Documents\MSDCSC\msdcsc.exe | |||
| (PID) Process: | (5260) msdcsc.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicroUpdate |
Value: C:\Users\admin\Documents\MSDCSC\msdcsc.exe | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6708 | Solara.exe | C:\Users\admin\Documents\MSDCSC\msdcsc.exe | executable | |
MD5:292CDB4F2EB760DB37FBAE9D24BD7457 | SHA256:F34F47F47B5EA1CAAACC04B58857E3161DA0C75AB2A8684B717269F6ACC20E64 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
145
DNS requests
8
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2104 | svchost.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2104 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
7012 | RUXIMICS.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
7012 | RUXIMICS.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2104 | svchost.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2104 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
7012 | RUXIMICS.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
1132 | iexplore.exe | 3.127.59.75:10882 | 4.tcp.eu.ngrok.io | AMAZON-02 | DE | malicious |
2104 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
4.tcp.eu.ngrok.io |
| malicious |
activation-v2.sls.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Misc activity | ET INFO DNS Query to a *.ngrok domain (ngrok.io) |