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| File name: | bb2.zip |
| Full analysis: | https://app.any.run/tasks/c85587f9-3782-4ebd-8204-b0e921374679 |
| Verdict: | Malicious activity |
| Threats: | Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying. |
| Analysis date: | February 10, 2025, 12:15:08 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract, compression method=store |
| MD5: | 558D7088D39A8C569C6289C5D185C730 |
| SHA1: | 142F3F2474E3145F16F3EA553B6430B3C9DB070F |
| SHA256: | BDFC66266A2A19FC3D5DCCEF3EEFE4C0EE928BA5B7ABAD60BC320218B2082FEA |
| SSDEEP: | 98304:sL6Ag6GE0nkZIMLVqYIcZY1hILfZlWqZa3vszThm4v/dfQThF7b1/gfUQsV95jtm:Wj/tYvUt3SKx37qIfFH/QurYDc |
MALICIOUS
Generic archive extractor
- WinRAR.exe (PID: 6608)
RANSOMWARE has been detected
- go3.exe (PID: 5528)
- go3.exe (PID: 7908)
- go3.exe (PID: 5112)
- crazyhunter.exe (PID: 2124)
Renames files like ransomware
- go3.exe (PID: 5528)
PRINCE has been detected (YARA)
- go3.exe (PID: 5528)
Script downloads file (POWERSHELL)
- powershell.exe (PID: 8176)
- powershell.exe (PID: 4244)
- powershell.exe (PID: 624)
- powershell.exe (PID: 8056)
SUSPICIOUS
Drops a system driver (possible attempt to evade defenses)
- WinRAR.exe (PID: 6608)
The process executes via Task Scheduler
- powershell.exe (PID: 5748)
Creates file in the systems drive root
- go3.exe (PID: 5528)
- go3.exe (PID: 7908)
- go3.exe (PID: 5112)
- crazyhunter.exe (PID: 2124)
Detected use of alternative data streams (AltDS)
- go3.exe (PID: 7908)
Starts POWERSHELL.EXE for commands execution
- go3.exe (PID: 5528)
- go3.exe (PID: 7908)
- go3.exe (PID: 5112)
- crazyhunter.exe (PID: 2124)
Probably download files using WebClient
- go3.exe (PID: 5528)
- go3.exe (PID: 7908)
- go3.exe (PID: 5112)
- crazyhunter.exe (PID: 2124)
CSC.EXE is used to compile C# code
- csc.exe (PID: 1488)
- csc.exe (PID: 7300)
Imports DLL using pinvoke
- powershell.exe (PID: 5604)
- powershell.exe (PID: 6496)
Executable content was dropped or overwritten
- csc.exe (PID: 1488)
- csc.exe (PID: 7300)
INFO
Detects Fody packer (YARA)
- powershell.exe (PID: 5748)
Reads the computer name
- go.exe (PID: 1228)
- go.exe (PID: 6560)
Checks supported languages
- go.exe (PID: 6560)
- go.exe (PID: 1228)
- go3.exe (PID: 5528)
- go3.exe (PID: 7908)
- go3.exe (PID: 5112)
- csc.exe (PID: 1488)
- csc.exe (PID: 7300)
- cvtres.exe (PID: 5856)
- cvtres.exe (PID: 5732)
- crazyhunter.exe (PID: 2124)
The sample compiled with english language support
- WinRAR.exe (PID: 6608)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 6608)
Creates files in the program directory
- go3.exe (PID: 5528)
Creates files or folders in the user directory
- go3.exe (PID: 5528)
Checks current location (POWERSHELL)
- powershell.exe (PID: 5748)
Application based on Golang
- go3.exe (PID: 5528)
Detects GO elliptic curve encryption (YARA)
- go3.exe (PID: 5528)
Drops encrypted JS script (Microsoft Script Encoder)
- go3.exe (PID: 7908)
- go3.exe (PID: 5112)
- go3.exe (PID: 5528)
- crazyhunter.exe (PID: 2124)
Disables trace logs
- powershell.exe (PID: 8056)
- powershell.exe (PID: 624)
Script raised an exception (POWERSHELL)
- powershell.exe (PID: 4244)
- powershell.exe (PID: 8176)
Checks proxy server information
- powershell.exe (PID: 8056)
- powershell.exe (PID: 624)
Create files in a temporary directory
- cvtres.exe (PID: 5732)
- csc.exe (PID: 1488)
- csc.exe (PID: 7300)
- cvtres.exe (PID: 5856)
Reads the machine GUID from the registry
- csc.exe (PID: 1488)
- csc.exe (PID: 7300)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | - |
| ZipCompression: | None |
| ZipModifyDate: | 2025:02:10 17:51:14 |
| ZipCRC: | 0x00000000 |
| ZipCompressedSize: | - |
| ZipUncompressedSize: | - |
| ZipFileName: | bb/ |
Total processes
207
Monitored processes
26
Malicious processes
5
Suspicious processes
4
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 624 | powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://ncmep.org/files/2023/05/ransomeware-01-1280x640.png', 'C:\Users\admin\AppData\Local\Temp\Wallpaper.png')" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | crazyhunter.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1228 | "C:\Users\admin\Desktop\bb2\bb\go.exe" -help | C:\Users\admin\Desktop\bb2\bb\go.exe | — | powershell.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 1488 | "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\lq25cm1d\lq25cm1d.cmdline" | C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Visual C# Command Line Compiler Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 2124 | "C:\Users\admin\Desktop\bb2\bb\crazyhunter.exe" | C:\Users\admin\Desktop\bb2\bb\crazyhunter.exe | powershell.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 3532 | \??\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
| |||||||||||||||
| 4244 | powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://ncmep.org/files/2023/05/ransomeware-01-1280x640.png', 'C:\Users\admin\AppData\Local\Temp\Wallpaper.png')" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | go3.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4264 | \??\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
| |||||||||||||||
| 4444 | \??\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
| |||||||||||||||
| 4864 | \??\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
| |||||||||||||||
| 5112 | "C:\Users\admin\Desktop\bb2\bb\go3.exe" | C:\Users\admin\Desktop\bb2\bb\go3.exe | powershell.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
Total events
39 911
Read events
39 877
Write events
21
Delete events
13
Modification events
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\bb2.zip | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 15 |
Value: | |||
| (PID) Process: | (6608) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 14 |
Value: | |||
Executable files
10
Suspicious files
153
Text files
269
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6608 | WinRAR.exe | C:\Users\admin\Desktop\bb2\bb\crazyhunter.sys | binary | |
MD5:906E89F6EB39919C6D12A660B68AE81F | SHA256:5316060745271723C9934047155DAE95A3920CB6343CA08C93531E1C235861BA | |||
| 6608 | WinRAR.exe | C:\Users\admin\Desktop\bb2\bb\crazyhunter.exe | executable | |
MD5:6A70C22A5778EAA433B6CE44513068DA | SHA256:F72C03D37DB77E8C6959B293CE81D009BF1C85F7D3BDAA4F873D3241833C146B | |||
| 6608 | WinRAR.exe | C:\Users\admin\Desktop\bb2\bb\bb.exe | executable | |
MD5:9FE3322DD4FC35D1ED510BF715DAE814 | SHA256:2CC975FDB21F6DD20775AA52C7B3DB6866C50761E22338B08FFC7F7748B2ACAA | |||
| 6608 | WinRAR.exe | C:\Users\admin\Desktop\bb2\bb\file.exe | executable | |
MD5:B7A812586C037CA8D41968842A211B8A | SHA256:14359F54D49799C713C2A8CC0C19A88392A0C6AD2C383494023008326CD0BA15 | |||
| 6608 | WinRAR.exe | C:\Users\admin\Desktop\bb2\bb\go.exe | executable | |
MD5:CA257AAA1DED22CA22086B9E95CB456D | SHA256:754D5C0C494099B72C050E745DDE45EE4F6195C1F559A0F3A0FDDBA353004DB6 | |||
| 6608 | WinRAR.exe | C:\Users\admin\Desktop\bb2\bb\go2.exe | executable | |
MD5:DA1A93627CEC6665AE28BAAF23FF27C5 | SHA256:983F5346756D61FEC35DF3E6E773FF43973EB96AABAA8094DCBFB5CA17821C81 | |||
| 6608 | WinRAR.exe | C:\Users\admin\Desktop\bb2\bb\go3.exe | executable | |
MD5:6A70C22A5778EAA433B6CE44513068DA | SHA256:F72C03D37DB77E8C6959B293CE81D009BF1C85F7D3BDAA4F873D3241833C146B | |||
| 5748 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms~RF142a4a.TMP | binary | |
MD5:D040F64E9E7A2BB91ABCA5613424598E | SHA256:D04E0A6940609BD6F3B561B0F6027F5CA4E8C5CF0FB0D0874B380A0374A8D670 | |||
| 5748 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms | binary | |
MD5:1F7FFA12CE4041D997B8151FD751537A | SHA256:A5D4DB322DBD953826CB925FD86ECE1B04E7E7F0C00C8FA5A79EB588E04BE62D | |||
| 5748 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_5tviidka.0tw.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
37
TCP/UDP connections
75
DNS requests
77
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.16.164.72:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | NL | binary | 1.01 Kb | whitelisted |
6532 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | DE | binary | 408 b | whitelisted |
5064 | SearchApp.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | US | binary | 312 b | whitelisted |
1176 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | DE | binary | 471 b | whitelisted |
7008 | backgroundTaskHost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | DE | binary | 471 b | whitelisted |
6532 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | DE | binary | 419 b | whitelisted |
2496 | svchost.exe | GET | 206 | 199.232.210.172:80 | http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/e30939f9-8764-4977-9b5d-f865df373b71?P1=1739388086&P2=404&P3=2&P4=jCV3wQ4FkSpNjDk%2fKKPfODKft27ivOpbM4c%2fSkQG8diBdmhkuK3ByRW0EPxVd2bJJft442UQiR0b6ilw0xxdDw%3d%3d | US | binary | 1.86 Kb | whitelisted |
2496 | svchost.exe | GET | 206 | 199.232.210.172:80 | http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/e30939f9-8764-4977-9b5d-f865df373b71?P1=1739388086&P2=404&P3=2&P4=jCV3wQ4FkSpNjDk%2fKKPfODKft27ivOpbM4c%2fSkQG8diBdmhkuK3ByRW0EPxVd2bJJft442UQiR0b6ilw0xxdDw%3d%3d | US | binary | 3.85 Kb | whitelisted |
2496 | svchost.exe | GET | 206 | 199.232.210.172:80 | http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/e30939f9-8764-4977-9b5d-f865df373b71?P1=1739388086&P2=404&P3=2&P4=jCV3wQ4FkSpNjDk%2fKKPfODKft27ivOpbM4c%2fSkQG8diBdmhkuK3ByRW0EPxVd2bJJft442UQiR0b6ilw0xxdDw%3d%3d | US | binary | 1.18 Kb | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | NL | binary | 973 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 |
|---|---|---|---|---|---|---|
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | 2.16.164.72:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
4712 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
5064 | SearchApp.exe | 92.123.104.47:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
5064 | SearchApp.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1176 | svchost.exe | 20.190.160.5:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1176 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
1076 | svchost.exe | 184.28.89.167:443 | go.microsoft.com | AKAMAI-AS | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
google.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
login.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |