File name:

melwer.zip

Full analysis: https://app.any.run/tasks/1d467ce8-9087-4bd8-92c2-22b688b07690
Verdict: Malicious activity
Analysis date: August 04, 2024, 07:19:34
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=deflate
MD5:

6A9C2B2A0C318C34069726B87719AAB6

SHA1:

6807914DB40865DC5FCC7868134C2077E8D3FC3E

SHA256:

F9977F36ECFBB1DF4305E528D07802638BFCDC06E58E4969BAA2540F406E0B0F

SSDEEP:

3072:eN6ECwdz3wi72RsgrPEqsnQXuKqu/Gn3FC6Aqyi1ePZD:eMGgXKCPrsnQXu5u/G3FljyOmZD

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

    • Drops the executable file immediately after the start

      • WinRAR.exe (PID: 6340)

    • Changes powershell execution policy (Bypass)

      • WinRAR.exe (PID: 6340)

    • Bypass execution policy to execute commands

      • powershell.exe (PID: 7776)
      • powershell.exe (PID: 8052)
      • powershell.exe (PID: 236)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 6340)

    • Start notepad (likely ransomware note)

      • WinRAR.exe (PID: 6340)

    • The process executes Powershell scripts

      • WinRAR.exe (PID: 6340)

    • Starts POWERSHELL.EXE for commands execution

      • WinRAR.exe (PID: 6340)

  • INFO

    • Checks supported languages

      • TextInputHost.exe (PID: 6784)
      • sudoku_new_installer_2024.exe (PID: 6620)

    • Reads the computer name

      • TextInputHost.exe (PID: 6784)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 6340)

    • Manual execution by a user

      • powershell.exe (PID: 6516)

    • Reads Microsoft Office registry keys

      • WinRAR.exe (PID: 6340)

    • Reads security settings of Internet Explorer

      • notepad.exe (PID: 7320)

    • Checks current location (POWERSHELL)

      • powershell.exe (PID: 6516)

    • Script raised an exception (POWERSHELL)

      • powershell.exe (PID: 7776)
      • powershell.exe (PID: 8052)
      • powershell.exe (PID: 236)
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: Deflated
ZipModifyDate: 2024:08:04 14:13:12
ZipCRC: 0x70ff0366
ZipCompressedSize: 180
ZipUncompressedSize: 300
ZipFileName: script.ps1
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
149
Monitored processes
13
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe sudoku_new_installer_2024.exe no specs conhost.exe no specs textinputhost.exe no specs powershell.exe conhost.exe no specs notepad.exe no specs powershell.exe no specs conhost.exe no specs powershell.exe no specs conhost.exe no specs powershell.exe no specs conhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
236"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep bypass "C:\Users\admin\AppData\Local\Temp\Rar$DIa6340.33118\script.ps1"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—WinRAR.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\atl.dll
c:\windows\system32\user32.dll
c:\windows\system32\ucrtbase.dll
6340"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\melwer.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
6516"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows PowerShell
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
6584\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
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
6620"C:\Users\admin\AppData\Local\Temp\Rar$EXa6340.29267\sudoku_new_installer_2024.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa6340.29267\sudoku_new_installer_2024.exe—WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa6340.29267\sudoku_new_installer_2024.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
6628\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—sudoku_new_installer_2024.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
6784"C:\WINDOWS\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXjd5de1g66v206tj52m9d0dtpppx4cgpn.mcaC:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Version:
123.26505.0.0
Modules
Images
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\textinputhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\vcruntime140_app.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\msvcrt.dll
6820\??\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
7320"C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\Temp\Rar$DIa6340.30464\instruction.txtC:\Windows\System32\notepad.exe—WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\notepad.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll
7776"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep bypass "C:\Users\admin\AppData\Local\Temp\Rar$DIa6340.31540\script.ps1"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—WinRAR.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\atl.dll
c:\windows\system32\combase.dll
Total events
43 886
Read events
43 856
Write events
30
Delete events
0

Modification events

(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\melwer.zip
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(6340) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\3c\52C64B7E
Operation:writeName:@"C:\WINDOWS\system32\windowspowershell\v1.0\powershell.exe",-107
Value:
Windows PowerShell Console File
(PID) Process:(6340) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
1
Suspicious files
14
Text files
15
Unknown types
0

Dropped files

PID
Process
Filename
Type
6516powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msbinary
MD5:6DD68610BE30AC8BD2CF35C7B7E115AD
SHA256:3E6620A08BAEF69A5F2BE8858343C10E0978163831B406267C75D1995CBA5217
6340WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6340.29267\instruction.txttext
MD5:30B84903A08D9F812E495B6ED005C703
SHA256:C5C949850D4DE9D8034EC72C2277130A0DE54AD89FCDAF15ED848EFFE5DC2B6D
7776powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms~RFeba43.TMPbinary
MD5:6DD68610BE30AC8BD2CF35C7B7E115AD
SHA256:3E6620A08BAEF69A5F2BE8858343C10E0978163831B406267C75D1995CBA5217
6516powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_h323azep.5t0.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6516powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ybvd4bgb.w02.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6516powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms~RFe8076.TMPbinary
MD5:D040F64E9E7A2BB91ABCA5613424598E
SHA256:D04E0A6940609BD6F3B561B0F6027F5CA4E8C5CF0FB0D0874B380A0374A8D670
6340WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6340.29267\sudoku_new_installer_2024.exeexecutable
MD5:13E2DE1EB5B07021E858E3812845B7FF
SHA256:116DD8938D94D0EC546E561F17C1AF5D272178ABE7165EB1851484E22C4A2931
7776powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_bl0bxqvs.ntc.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6340WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIa6340.32748\script.ps1text
MD5:40E065BCD7BF51D9222902C4957FB5F0
SHA256:FE6B7F4F93DAC0D51F67397F4E926181E05CA855DE83BC253A2EB7B797FE0B6F
8052powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\LH9JX5HB2FKCJGBGZG15.tempbinary
MD5:D0AFB8F80D34461BB9B22C9FB4C9AF8E
SHA256:B405E258DD6ECD0DC1337F8C47CD8801461CA17D17BFD95776628396F864409A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
40
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5336
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
5336
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
2132
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
5484
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
2080
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%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
3888
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
4788
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
4088
RUXIMICS.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
2120
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted
5336
SearchApp.exe
2.16.110.195:443
www.bing.com
Akamai International B.V.
DE
unknown
5336
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
5336
SearchApp.exe
2.16.110.171:443
www.bing.com
Akamai International B.V.
DE
unknown
5336
SearchApp.exe
2.16.110.168:443
www.bing.com
Akamai International B.V.
DE
unknown

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 51.124.78.146
whitelisted
google.com
  • 216.58.206.46
whitelisted
www.bing.com
  • 2.16.110.195
  • 2.16.110.136
  • 2.16.110.168
  • 2.16.110.170
  • 2.16.110.152
  • 2.16.110.138
  • 2.16.110.171
  • 2.16.110.176
  • 2.16.110.179
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
r.bing.com
  • 2.16.110.171
  • 2.16.110.176
  • 2.16.110.179
  • 2.16.110.195
  • 2.16.110.136
  • 2.16.110.168
  • 2.16.110.170
  • 2.16.110.152
  • 2.16.110.138
whitelisted
th.bing.com
  • 2.16.110.168
  • 2.16.110.171
  • 2.16.110.203
  • 2.16.110.170
  • 2.16.110.123
  • 2.16.110.195
  • 2.16.110.179
  • 2.16.110.176
  • 2.16.110.121
whitelisted
browser.pipe.aria.microsoft.com
  • 13.89.179.8
whitelisted
fp.msedge.net
  • 204.79.197.222
whitelisted
login.live.com
  • 40.126.32.140
  • 40.126.32.136
  • 40.126.32.138
  • 20.190.160.17
  • 40.126.32.68
  • 40.126.32.133
  • 40.126.32.76
  • 40.126.32.74
whitelisted
client.wns.windows.com
  • 40.113.103.199
whitelisted

Threats

No threats detected
No debug info
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Reports
melwer.zip