| File name: | Medusa.zip |
| Full analysis: | https://app.any.run/tasks/4fe894fa-c133-4c0e-b0a6-4b29161914d5 |
| Verdict: | Malicious activity |
| Threats: | Medusa is a ransomware malware family targeting businesses and institutions. Medusa encrypts crucial data, rendering it inaccessible, and attempts to pressure users to pay to regain control of their information. The group behind this malicious software hosts a TOR website where it shares the list of the organizations whose infrastructure has been compromised. This malware utilizes various tactics, including exploiting vulnerabilities and employs a unique file extension (".MEDUSA") to mark encrypted files. |
| Analysis date: | August 29, 2024, 18:06:11 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v5.1 to extract, compression method=AES Encrypted |
| MD5: | 7CF7E0C8096FC09FFC0C8F9CACD413A6 |
| SHA1: | 208F78B20CEFCD16D21B70D8FE0361DB717A800D |
| SHA256: | 7689C0AEDCC48C6C508F1920BF451030A1B97D4A00E5D079A07780FD657ECABF |
| SSDEEP: | 3072:AYmwhjaKhxwaRNtCpEY9B2GUXnynvOA0n0g07JNYpjtjfN3vtA/WYznRQAb4F71v:AYaKXpYp1MnynWQ5YtTdvtAjzRQAI71v |
| .zip | | | ZIP compressed archive (100) |
|---|
| ZipRequiredVersion: | 51 |
|---|---|
| ZipBitFlag: | 0x0009 |
| ZipCompression: | Unknown (99) |
| ZipModifyDate: | 2024:07:25 12:36:36 |
| ZipCRC: | 0x52ba44ee |
| ZipCompressedSize: | 231018 |
| ZipUncompressedSize: | 230915 |
| ZipFileName: | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.zip |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1084 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | icacls.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1156 | "C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.zip" C:\Users\admin\Desktop\ | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 2032 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2036 | powershell -command "Get-WmiObject Win32_Shadowcopy | ForEach-Object {$_.Delete();}" | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | — | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2112 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2248 | "C:\WINDOWS\system32\cmd.exe" /c timeout 1 && del "C:\Users\admin\Desktop\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe" >> NUL | C:\Windows\SysWOW64\cmd.exe | — | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2588 | "C:\Users\admin\Desktop\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe" | C:\Users\admin\Desktop\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3448 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\Medusa.zip | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 3900 | 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
| |||||||||||||||
| 3980 | "C:\Users\admin\Desktop\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe" | C:\Users\admin\Desktop\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\Medusa.zip | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (3448) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface |
| Operation: | write | Name: | ShowPassword |
Value: 0 | |||
| (PID) Process: | (1156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3980 | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | C:\$WinREAgent\Backup\Winre.wim | — | |
MD5:— | SHA256:— | |||
| 3980 | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | C:\$WinREAgent\Backup\Winre.wim.code | — | |
MD5:— | SHA256:— | |||
| 2036 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_2elikuos.4u1.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3980 | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | \\?\Volume{2f5c5e73-85a9-11eb-90a8-9a9b76358421}\Recovery\WindowsRE\Winre.wim | — | |
MD5:— | SHA256:— | |||
| 3980 | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | \\?\Volume{2f5c5e73-85a9-11eb-90a8-9a9b76358421}\Recovery\WindowsRE\Winre.wim.code | — | |
MD5:— | SHA256:— | |||
| 3448 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb3448.9218\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.zip | compressed | |
MD5:60476222658CD166930F43FFF43EE86D | SHA256:0B01BE4D105FCB10C34441407675FF564E2F2612ED847675539D17A39CB7FF3F | |||
| 2036 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_uza0tv0s.xph.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 1156 | WinRAR.exe | C:\Users\admin\Desktop\bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | executable | |
MD5:2979ED84C4CA3DEB2924BD1F26BF88BD | SHA256:BCF49E8F493C9EFF83D9BC891E91DC91777F02B4F176E44B20F9A2D651F20FC3 | |||
| 3980 | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | C:\$WinREAgent\Backup\location.txt | binary | |
MD5:6AC5A6270E4A1E6923081D40AFBA1300 | SHA256:7693B9F53991EE97343A980550A2A9B2F613FAB5BCDB1C3915057B1FB85091F9 | |||
| 3980 | bcf49e8f493c9eff83d9bc891e91dc91777f02b4f176e44b20f9a2d651f20fc3.exe | \\?\Volume{2f5c5e73-85a9-11eb-90a8-9a9b76358421}\$RECYCLE.BIN\S-1-5-21-1693682860-607145093-2874071422-1001\!!!HOW_TO_DECRYPT!!!.txt | binary | |
MD5:5874A3EF6050BCCBE1808CE15B7AFF0A | SHA256:A838BC92D4D1FF8CC1F8AA1C2DE2A6A15B43486292B248D7669459A97AB3E711 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1280 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
4344 | SIHClient.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
4344 | SIHClient.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2400 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4316 | RUXIMICS.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2120 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
3260 | svchost.exe | 40.115.3.253:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2120 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1280 | svchost.exe | 20.190.160.14:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1280 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
4344 | SIHClient.exe | 20.12.23.50:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |