File name:

Muestra virus.rar

Full analysis: https://app.any.run/tasks/8dd92948-cd33-41c2-8247-705eb1a1605a
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Analysis date: December 13, 2024, 21:56:25
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
arch-exec
arch-doc
neshta
stealer
Indicators:
MIME: application/x-rar
File info: RAR archive data, v5
MD5:

D6BF3FCC9908D51048F50D26495E00CA

SHA1:

D1C81522D1F7FA61922737D2F6A93651CF0A7CAB

SHA256:

97D7A46B26FDBBBC94C535AAA6E31CB637F61708633F62F18C33E64FAF67548E

SSDEEP:

98304:I268BhexPXK6xPF53WBJag/Wta6OQNay4+q74xUSFI35CBz5SAc3TQaHTC4e6AMr:T8EN

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

    • NESHTA mutex has been found

      • defi1328_visual.exe (PID: 7156)
    • Actions looks like stealing of personal data

      • defi1328_visual.exe (PID: 7156)
  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 2072)
      • WinRAR.exe (PID: 6812)
      • defi1328_visual.exe (PID: 3808)
    • Application launched itself

      • defi1328_visual.exe (PID: 3808)
      • WinRAR.exe (PID: 2072)
    • Executable content was dropped or overwritten

      • defi1328_visual.exe (PID: 7156)
    • Mutex name with non-standard characters

      • defi1328_visual.exe (PID: 7156)
  • INFO

    • Reads Windows Product ID

      • defi1328_visual.exe (PID: 3928)
    • The process uses the downloaded file

      • WinRAR.exe (PID: 2072)
    • Reads the machine GUID from the registry

      • defi1328_visual.exe (PID: 3928)
      • defi1328_visual.exe (PID: 3808)
    • Reads the computer name

      • defi1328_visual.exe (PID: 3928)
      • defi1328_visual.exe (PID: 7156)
    • Checks supported languages

      • defi1328_visual.exe (PID: 3808)
      • defi1328_visual.exe (PID: 3928)
    • The sample compiled with english language support

      • WinRAR.exe (PID: 2072)
      • WinRAR.exe (PID: 6812)
    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 6812)
    • Process checks computer location settings

      • defi1328_visual.exe (PID: 3808)
    • Drops encrypted VBS script (Microsoft Script Encoder)

      • defi1328_visual.exe (PID: 7156)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.rar | RAR compressed archive (v5.0) (61.5)
.rar | RAR compressed archive (gen) (38.4)

EXIF

ZIP

ArchivedFileName: Downloads.rar
OperatingSystem: Win32
UncompressedSize: 3216267
CompressedSize: 3216272
FileVersion: RAR v5
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
130
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe no specs winrar.exe #NESHTA defi1328_visual.exe defi1328_visual.exe no specs defi1328_visual.exe

Process information

PID
CMD
Path
Indicators
Parent process
2072"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Muestra virus.rar"C:\Program Files\WinRAR\WinRAR.exeexplorer.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
6812"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\Rar$DIb2072.30826\Downloads.rarC:\Program Files\WinRAR\WinRAR.exe
WinRAR.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
7156"C:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\defi1328_visual.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\defi1328_visual.exe
WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa6812.33964\defi1328_visual.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
3808"C:\Users\admin\AppData\Local\Temp\3582-490\defi1328_visual.exe" C:\Users\admin\AppData\Local\Temp\3582-490\defi1328_visual.exedefi1328_visual.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\3582-490\defi1328_visual.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
3928"C:\Users\admin\AppData\Local\Temp\3582-490\defi1328_visual.exe" eC:\Users\admin\AppData\Local\Temp\3582-490\defi1328_visual.exe
defi1328_visual.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\3582-490\defi1328_visual.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
Total events
4 386
Read events
4 369
Write events
17
Delete events
0

Modification events

(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\Muestra virus.rar
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(2072) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
0
(PID) Process:(6812) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\chromium_ext.zip
Executable files
15
Suspicious files
8
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\mimikatz\x32\mimilib.dllexecutable
MD5:9181E3DBA6941DC097B6ADBC1422239F
SHA256:FD14FA40B1502BB46184E498520B39C7C46B847A9AFB8CC3511E75FCE4CE6EF4
7156defi1328_visual.exeC:\Users\admin\AppData\Local\Temp\3582-490\defi1328_visual.exeexecutable
MD5:BD4DA6BADF73AB9D9352003F9322F262
SHA256:3664FF8050CCF9E6D73E197F43E23422DCC5BD738C4C5D90808370BC6DBA7868
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\mimikatz\x64\mimikatz.exeexecutable
MD5:64256939B33EDE29DDC67D245535A343
SHA256:BEE2BBA18209926D612066FA300D7939ABC89AEA293090F3FC6390B6CDD05A3A
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\mimikatz\x32\mimikatz.exeexecutable
MD5:67A257339539267DDCC618C307ECF958
SHA256:16BA1938FF3D3D0B13FB8B6FB32B9234A590A0FD168D8376D63CBCB4B21EEF62
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\mimikatz\x32\mimilove.exeexecutable
MD5:FBF9F426FF0F4B147732490B8A547A4E
SHA256:FAEEBC642310D18070456BE8C2B36307A634FB331EB73BB143FF1424841BBD2A
7156defi1328_visual.exeC:\ProgramData\Adobe\ARM\S\388\AdobeARMHelper.exeexecutable
MD5:85A67D34298E33D2D5A9EC789B6AB594
SHA256:1DEE143B4F88F2375B85C6271A58E2E78FED081BEAE4090678CB2DD7A37FB2D4
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\desktop.initext
MD5:3A37312509712D4E12D27240137FF377
SHA256:B029393EA7B7CF644FB1C9F984F57C1980077562EE2E15D0FFD049C4C48098D3
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\mimikatz\x64\mimilib.dllexecutable
MD5:0ABF12EB4AD193AE15DD9A0C547FCEDA
SHA256:9674017CADAC13DF391C6EEB995052F40A513D2A6A13E8DE9B3A799112E8F770
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\defi1328_visual.exeexecutable
MD5:7A0EC0DB72B084F46348B055C7CE4A34
SHA256:E48904C3A631F353F6BF1CD3C2509464C86454DB1D29BFF26B489FFA563788D9
6812WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa6812.33964\mimikatz\README.md.[1707EB7A].[[email protected]].defi1328binary
MD5:EE94B44E9A4DBFE8DF658AFD05CEA487
SHA256:FBB5C239C0936D6295D605527B3502C6021C3130D4A4079422B383CEC05266DB
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
32
DNS requests
16
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6248
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
whitelisted
7008
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
7008
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
1176
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
5064
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
23.48.23.156:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
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
2548
svchost.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
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4712
MoUsoCoreWorker.exe
23.48.23.156:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4712
MoUsoCoreWorker.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4
System
192.168.100.255:138
whitelisted
5064
SearchApp.exe
104.126.37.123:443
www.bing.com
Akamai International B.V.
DE
whitelisted
1176
svchost.exe
40.126.31.71:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1176
svchost.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
5064
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
whitelisted
crl.microsoft.com
  • 23.48.23.156
  • 23.48.23.143
  • 23.48.23.166
whitelisted
www.microsoft.com
  • 23.35.229.160
whitelisted
google.com
  • 142.250.185.110
whitelisted
www.bing.com
  • 104.126.37.123
  • 104.126.37.129
  • 104.126.37.145
  • 104.126.37.128
  • 104.126.37.136
  • 104.126.37.131
  • 104.126.37.130
  • 104.126.37.144
  • 104.126.37.139
whitelisted
login.live.com
  • 40.126.31.71
  • 20.190.159.68
  • 20.190.159.23
  • 20.190.159.0
  • 20.190.159.75
  • 40.126.31.69
  • 20.190.159.73
  • 40.126.31.73
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
go.microsoft.com
  • 23.52.181.141
whitelisted
arc.msn.com
  • 20.103.156.88
whitelisted
fd.api.iris.microsoft.com
  • 20.199.58.43
whitelisted

Threats

No threats detected
No debug info