File name:

PO-0008082025 pdf.rar

Full analysis: https://app.any.run/tasks/7d5a873e-323f-441c-9220-344e54f1fc4b
Verdict: Malicious activity
Threats:

FormBook is a data stealer that is being distributed as a MaaS. FormBook differs from a lot of competing malware by its extreme ease of use that allows even the unexperienced threat actors to use FormBook virus.

Analysis date: January 09, 2025, 11:47:33
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
arch-exec
formbook
xloader
stealer
Indicators:
MIME: application/x-rar
File info: RAR archive data, v5
MD5:

AA59FE1912ADB5FE4630A324AC51787E

SHA1:

65900379CA9218595B0B5E8BAE347D3FCD6C42C4

SHA256:

6DDA666D011A18B9123D2872183D11F793CB31ECC3A5C38D636BB5D6BF2A89C0

SSDEEP:

24576:z48FUiSGQ2fMdpqeERIQrHeClU1zbDYTo8bEhzSA0xL7nt7THVG3PlqgfViHHk:z48FRSGQ2fMdpqeERIQrHeClU1zbDYTW

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: 6248)
    • FORMBOOK has been detected (YARA)

      • cttune.exe (PID: 2456)
    • Connects to the CnC server

      • WinRAR.exe (PID: 6248)
    • Actions looks like stealing of personal data

      • cttune.exe (PID: 2456)
    • FORMBOOK has been detected (SURICATA)

      • WinRAR.exe (PID: 6248)
  • SUSPICIOUS

    • Starts a Microsoft application from unusual location

      • PO-0008082025 pdf.exe (PID: 6440)
      • PO-0008082025 pdf.exe (PID: 6848)
      • PO-0008082025 pdf.exe (PID: 6856)
      • PO-0008082025 pdf.exe (PID: 6868)
    • Reads security settings of Internet Explorer

      • PO-0008082025 pdf.exe (PID: 6440)
    • Application launched itself

      • PO-0008082025 pdf.exe (PID: 6440)
    • Process drops legitimate windows executable

      • WinRAR.exe (PID: 6248)
  • INFO

    • Reads the machine GUID from the registry

      • PO-0008082025 pdf.exe (PID: 6440)
    • Reads the computer name

      • PO-0008082025 pdf.exe (PID: 6440)
    • Checks supported languages

      • PO-0008082025 pdf.exe (PID: 6440)
      • PO-0008082025 pdf.exe (PID: 6868)
    • Manual execution by a user

      • PO-0008082025 pdf.exe (PID: 6440)
    • The process uses the downloaded file

      • PO-0008082025 pdf.exe (PID: 6440)
    • Reads security settings of Internet Explorer

      • cttune.exe (PID: 2456)
    • Create files in a temporary directory

      • cttune.exe (PID: 2456)
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

FileVersion: RAR v5
CompressedSize: 711325
UncompressedSize: 757248
OperatingSystem: Win32
ArchivedFileName: PO-0008082025 pdf.exe
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
132
Monitored processes
8
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start #FORMBOOK winrar.exe po-0008082025  pdf.exe no specs po-0008082025  pdf.exe no specs po-0008082025  pdf.exe no specs po-0008082025  pdf.exe no specs #FORMBOOK cttune.exe firefox.exe no specs svchost.exe

Process information

PID
CMD
Path
Indicators
Parent process
2192C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
2456"C:\Windows\SysWOW64\cttune.exe"C:\Windows\SysWOW64\cttune.exe
WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
ClearType Tuner
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\cttune.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\advapi32.dll
c:\windows\syswow64\msvcrt.dll
3436"C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\firefox.execttune.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\program files\mozilla firefox\vcruntime140.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140_1.dll
c:\windows\system32\crypt32.dll
6248"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\PO-0008082025 pdf.rar"C:\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
6440"C:\Users\admin\Desktop\PO-0008082025 pdf.exe" C:\Users\admin\Desktop\PO-0008082025 pdf.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
RDP Session Agent
Exit code:
0
Version:
1.0.1.0
Modules
Images
c:\users\admin\desktop\po-0008082025 pdf.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\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
6848"C:\Users\admin\Desktop\PO-0008082025 pdf.exe"C:\Users\admin\Desktop\PO-0008082025 pdf.exePO-0008082025 pdf.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
RDP Session Agent
Exit code:
4294967295
Version:
1.0.1.0
Modules
Images
c:\users\admin\desktop\po-0008082025 pdf.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
6856"C:\Users\admin\Desktop\PO-0008082025 pdf.exe"C:\Users\admin\Desktop\PO-0008082025 pdf.exePO-0008082025 pdf.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
RDP Session Agent
Exit code:
4294967295
Version:
1.0.1.0
Modules
Images
c:\users\admin\desktop\po-0008082025 pdf.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
6868"C:\Users\admin\Desktop\PO-0008082025 pdf.exe"C:\Users\admin\Desktop\PO-0008082025 pdf.exePO-0008082025 pdf.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
RDP Session Agent
Exit code:
0
Version:
1.0.1.0
Modules
Images
c:\users\admin\desktop\po-0008082025 pdf.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\advapi32.dll
Total events
6 249
Read events
6 231
Write events
18
Delete events
0

Modification events

(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\PO-0008082025 pdf.rar
(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(6248) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(2456) cttune.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2456) cttune.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
Executable files
0
Suspicious files
2
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2456cttune.exeC:\Users\admin\AppData\Local\Temp\--cG1-69-binary
MD5:A45465CDCDC6CB30C8906F3DA4EC114C
SHA256:4412319EF944EBCCA9581CBACB1D4E1DC614C348D1DFC5D2FAAAAD863D300209
6248WinRAR.exeC:\Users\admin\AppData\Local\Temp\rebuilt.PO-0008082025 pdf.rarcompressed
MD5:46BEC3547F865E54AAFA69A6C6158112
SHA256:D3DB000FAD247AAD7FD022851F193A91D426450C54FF56938E016EDFC840DDEA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
14
TCP/UDP connections
39
DNS requests
24
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1176
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
7000
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
23.48.23.147:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
7000
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
6248
WinRAR.exe
GET
404
85.159.66.93:80
http://www.tabyscooterrentals.xyz/4wxo/?7CI=fqDKo1rWIlLUmv&uAjR=AuCk/wTI7zW3ld/vn1qiB/S7AJshg/F9prPfFK+Yc5xTqeXBXJi84rnX4QtnNLSqr4pLPSODfOM24Q7oPb8nqMZX+jkeihJfrBa+8WaX/07QX/ShnQe0XYYOLilfT5ySZTdLvHk=
unknown
unknown
4504
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
whitelisted
6248
WinRAR.exe
POST
200
194.9.94.86:80
http://www.milp.store/2j93/
unknown
malicious
6248
WinRAR.exe
POST
200
194.9.94.86:80
http://www.milp.store/2j93/
unknown
malicious
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
192.168.100.255:138
whitelisted
4
System
192.168.100.255:137
whitelisted
3220
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4712
MoUsoCoreWorker.exe
23.48.23.147:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4712
MoUsoCoreWorker.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
1176
svchost.exe
40.126.32.72:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5064
SearchApp.exe
104.126.37.139:443
www.bing.com
Akamai International B.V.
DE
whitelisted
1176
svchost.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted
crl.microsoft.com
  • 23.48.23.147
  • 23.48.23.176
  • 23.48.23.156
  • 23.48.23.166
  • 23.48.23.167
  • 23.48.23.164
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
google.com
  • 216.58.206.46
whitelisted
login.live.com
  • 40.126.32.72
  • 40.126.32.134
  • 40.126.32.74
  • 20.190.160.14
  • 40.126.32.138
  • 40.126.32.140
  • 40.126.32.136
  • 40.126.32.68
whitelisted
www.bing.com
  • 104.126.37.139
  • 104.126.37.163
  • 104.126.37.162
  • 104.126.37.146
  • 104.126.37.161
  • 104.126.37.160
  • 104.126.37.153
  • 104.126.37.155
  • 104.126.37.144
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
go.microsoft.com
  • 23.35.238.131
whitelisted
arc.msn.com
  • 20.223.35.26
whitelisted
fd.api.iris.microsoft.com
  • 20.223.35.26
whitelisted

Threats

PID
Process
Class
Message
6248
WinRAR.exe
A Network Trojan was detected
STEALER [ANY.RUN] Formbook HTTP Header
1 ETPRO signatures available at the full report
No debug info