File name:

bb2.zip

Full analysis: https://app.any.run/tasks/cc2b62f6-2fe6-497e-8f16-fe63b8401320
Verdict: Malicious activity
Analysis date: February 13, 2025, 08:53:31
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
arch-exec
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

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Generic archive extractor

      • WinRAR.exe (PID: 6096)

    • RANSOMWARE has been detected

      • go3.exe (PID: 6940)

    • Renames files like ransomware

      • go3.exe (PID: 6940)

    • Script downloads file (POWERSHELL)

      • powershell.exe (PID: 7104)

  • SUSPICIOUS

    • Drops a system driver (possible attempt to evade defenses)

      • WinRAR.exe (PID: 6096)

    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 6096)

    • CSC.EXE is used to compile C# code

      • csc.exe (PID: 5028)

    • Executable content was dropped or overwritten

      • csc.exe (PID: 5028)

    • Imports DLL using pinvoke

      • powershell.exe (PID: 3436)

    • Creates file in the systems drive root

      • go3.exe (PID: 6940)

    • Probably download files using WebClient

      • go3.exe (PID: 6940)

    • Starts POWERSHELL.EXE for commands execution

      • go3.exe (PID: 6940)

  • INFO

    • Checks supported languages

      • bb.exe (PID: 6696)
      • bb.exe (PID: 6876)
      • csc.exe (PID: 5028)
      • cvtres.exe (PID: 5536)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 6096)

    • Disables trace logs

      • powershell.exe (PID: 7104)

    • Manual execution by a user

      • bb.exe (PID: 6696)
      • bb.exe (PID: 6876)

    • Creates files in the program directory

      • bb.exe (PID: 6696)
      • go3.exe (PID: 6940)

    • The sample compiled with english language support

      • WinRAR.exe (PID: 6096)

    • Creates files or folders in the user directory

      • go3.exe (PID: 6940)

    • Reads the machine GUID from the registry

      • csc.exe (PID: 5028)

    • Create files in a temporary directory

      • csc.exe (PID: 5028)

    • Checks proxy server information

      • powershell.exe (PID: 7104)

    • Drops encrypted JS script (Microsoft Script Encoder)

      • go3.exe (PID: 6940)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

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/
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
129
Monitored processes
11
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe rundll32.exe no specs bb.exe no specs bb.exe no specs THREAT go3.exe no specs powershell.exe conhost.exe no specs powershell.exe no specs conhost.exe no specs csc.exe cvtres.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3436powershell -Command "Add-Type -TypeDefinition 'using System; using System.Runtime.InteropServices; public class Wallpaper { [DllImport(\"user32.dll\", CharSet = CharSet.Auto)] public static extern int SystemParametersInfo(int uAction, int uParam, string lpvParam, int fuWinIni); public static void Set(string path) { SystemParametersInfo(20, 0, path, 3); } }'; [Wallpaper]::Set('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:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\atl.dll
5028"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\20jyme1t.cmdline"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
4.8.9037.0 built by: NET481REL1
Modules
Images
c:\windows\microsoft.net\framework64\v4.0.30319\csc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ole32.dll
5096\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
5536C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES3537.tmp" "c:\Users\admin\AppData\Local\Temp\CSCEA612F48A591443FA1AE813C6DD88AB8.TMP"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
14.32.31326.0
Modules
Images
c:\windows\microsoft.net\framework64\v4.0.30319\cvtres.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\vcruntime140_1_clr0400.dll
6096"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\bb2.zipC:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
6652C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -EmbeddingC:\Windows\System32\rundll32.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
6696"C:\Users\admin\Desktop\bb2\bb.exe" C:\Users\admin\Desktop\bb2\bb.exe—explorer.exe
User:
admin
Company:
Windows
Integrity Level:
MEDIUM
Description:
Windows Office
Exit code:
0
Version:
1.0.0
Modules
Images
c:\users\admin\desktop\bb2\bb.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
6876"C:\Users\admin\Desktop\bb2\bb.exe" C:\Users\admin\Desktop\bb2\bb.exe—explorer.exe
User:
admin
Company:
Windows
Integrity Level:
MEDIUM
Description:
Windows Office
Exit code:
0
Version:
1.0.0
Modules
Images
c:\users\admin\desktop\bb2\bb.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ole32.dll
6940"C:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\go3.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\go3.exe
WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa6096.17849\bb\go3.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
7104powershell -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:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
Total events
13 356
Read events
13 332
Write events
11
Delete events
13

Modification events

(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\bb2.zip
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath
Operation:delete valueName:15
Value:
(PID) Process:(6096) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath
Operation:delete valueName:14
Value:
Executable files
10
Suspicious files
73
Text files
62
Unknown types
0

Dropped files

PID
Process
Filename
Type
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\crazyhunter.sysbinary
MD5:906E89F6EB39919C6D12A660B68AE81F
SHA256:5316060745271723C9934047155DAE95A3920CB6343CA08C93531E1C235861BA
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\bb.exeexecutable
MD5:9FE3322DD4FC35D1ED510BF715DAE814
SHA256:2CC975FDB21F6DD20775AA52C7B3DB6866C50761E22338B08FFC7F7748B2ACAA
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\go.exeexecutable
MD5:CA257AAA1DED22CA22086B9E95CB456D
SHA256:754D5C0C494099B72C050E745DDE45EE4F6195C1F559A0F3A0FDDBA353004DB6
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\go2.exeexecutable
MD5:DA1A93627CEC6665AE28BAAF23FF27C5
SHA256:983F5346756D61FEC35DF3E6E773FF43973EB96AABAA8094DCBFB5CA17821C81
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\gpo.exeexecutable
MD5:9E45AB7D2D942A575B2F902CCCFB3839
SHA256:512F785D3C2A787B30FA760A153723D02090C0812D01BB519B670ECFC9780D93
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\ru.battext
MD5:F45CC69F74F75A707A02D26CCD912845
SHA256:D1081C77F37D080B4E8ECF6325D79E6666572D8AC96598FE65F9630DDA6EC1EC
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\crazyhunter.exeexecutable
MD5:6A70C22A5778EAA433B6CE44513068DA
SHA256:F72C03D37DB77E8C6959B293CE81D009BF1C85F7D3BDAA4F873D3241833C146B
6096WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6096.17849\bb\file.exeexecutable
MD5:B7A812586C037CA8D41968842A211B8A
SHA256:14359F54D49799C713C2A8CC0C19A88392A0C6AD2C383494023008326CD0BA15
6940go3.exeC:\Users\Default\Music\Decryption Instructions.txttext
MD5:EE8C636DC0B6C96D41DD61F38BF2066F
SHA256:0C5E7F344812D3AF51EBB572A8D57EB85A8A75635236ED21EE54E94EA532AB41
6940go3.exeC:\Users\Default\Pictures\Decryption Instructions.txttext
MD5:EE8C636DC0B6C96D41DD61F38BF2066F
SHA256:0C5E7F344812D3AF51EBB572A8D57EB85A8A75635236ED21EE54E94EA532AB41
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
25
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1176
svchost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
6740
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
5496
backgroundTaskHost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
6740
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
5064
SearchApp.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
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
3220
svchost.exe
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
1176
svchost.exe
20.190.159.64:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1176
svchost.exe
184.30.131.245:80
ocsp.digicert.com
AKAMAI-AS
US
whitelisted
1076
svchost.exe
2.19.217.152:443
go.microsoft.com
Akamai International B.V.
NL
whitelisted
5496
backgroundTaskHost.exe
20.31.169.57:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5496
backgroundTaskHost.exe
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
5496
backgroundTaskHost.exe
20.103.156.88:443
fd.api.iris.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6740
SIHClient.exe
4.175.87.197:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
www.bing.com
  • 62.115.253.98
  • 62.115.253.138
whitelisted
login.live.com
  • 20.190.159.64
  • 40.126.31.128
  • 20.190.159.2
  • 20.190.159.128
  • 20.190.159.23
  • 40.126.31.1
  • 40.126.31.3
  • 20.190.159.129
whitelisted
ocsp.digicert.com
  • 184.30.131.245
  • 2.23.77.188
whitelisted
go.microsoft.com
  • 2.19.217.152
whitelisted
settings-win.data.microsoft.com
  • 40.127.240.158
whitelisted
arc.msn.com
  • 20.31.169.57
whitelisted
fd.api.iris.microsoft.com
  • 20.103.156.88
whitelisted
slscr.update.microsoft.com
  • 4.175.87.197
whitelisted
www.microsoft.com
  • 23.219.150.101
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted

Threats

No threats detected
No debug info
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Reports
bb2.zip