Windows Analysis Report
http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe

Overview

General Information

Sample URL: http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe
Analysis ID: 1432073
Infos:

Detection

Score: 3
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Drops PE files
Drops files with a non-matching file extension (content does not match file extension)
Found detection on Joe Sandbox Cloud Basic
PE file contains an invalid checksum
PE file contains sections with non-standard names
PE file does not import any functions
PE file overlay found

Classification

Source: unknown HTTPS traffic detected: 23.193.120.112:443 -> 192.168.2.4:49741 version: TLS 1.2
Source: unknown HTTPS traffic detected: 23.193.120.112:443 -> 192.168.2.4:49742 version: TLS 1.2
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.32
Source: unknown TCP traffic detected without corresponding DNS query: 173.222.162.32
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown TCP traffic detected without corresponding DNS query: 23.193.120.112
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET /fs/windows/config.json HTTP/1.1Connection: Keep-AliveAccept: */*Accept-Encoding: identityIf-Unmodified-Since: Tue, 16 May 2017 22:58:00 GMTRange: bytes=0-2147483646User-Agent: Microsoft BITS/7.8Host: fs.microsoft.com
Source: global traffic DNS traffic detected: DNS query: download.lenovo.com
Source: global traffic DNS traffic detected: DNS query: www.google.com
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDTimestampingCA.crt0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0P
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://crl3.digicert.com/sha2-assured-ts.crl02
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://crl4.digicert.com/DigiCertAssuredIDRootCA.crl0:
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://crl4.digicert.com/sha2-assured-ts.crl0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://ocsp.digicert.com0C
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://ocsp.digicert.com0O
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://rb.symcb.com/rb.crl0W
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://rb.symcb.com/rb.crt0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://rb.symcd.com0&
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://s.symcb.com/universal-root.crl0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://s.symcd.com0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://www.digicert.com/CPS0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: http://www.jrsoftware.org/ishelp/index.php?topic=setupcmdlineSetupU
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: https://d.symcb.com/cps0%
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: https://d.symcb.com/rpa0
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: https://d.symcb.com/rpa06
Source: Unconfirmed 881090.crdownload.0.dr, chromecache_45.2.dr String found in binary or memory: https://www.digicert.com/CPS0
Source: unknown Network traffic detected: HTTP traffic on port 49675 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49742
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49741
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49740
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49750
Source: unknown Network traffic detected: HTTP traffic on port 49741 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49740 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49742 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49750 -> 443
Source: unknown HTTPS traffic detected: 23.193.120.112:443 -> 192.168.2.4:49741 version: TLS 1.2
Source: unknown HTTPS traffic detected: 23.193.120.112:443 -> 192.168.2.4:49742 version: TLS 1.2
Found detection on Joe Sandbox Cloud Basic
Source: http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe Joe Sandbox Cloud Basic: Detection: suspicious Score: 23 Threat Name: Analyzer: w10x64_ra Perma Link
PE file does not import any functions
Source: 20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp.0.dr Static PE information: No import functions for PE file found
PE file overlay found
Source: 20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp.0.dr Static PE information: Data appended to the last section found
Source: classification engine Classification label: clean3.win@19/4@6/3
Source: C:\Program Files\Google\Chrome\Application\chrome.exe File created: C:\Users\user\Downloads\20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp Jump to behavior
Source: unknown Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" --start-maximized "about:blank"
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2356 --field-trial-handle=2212,i,535787671628062436,16230548482103842467,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8
Source: unknown Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" "http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe"
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3156 --field-trial-handle=2212,i,535787671628062436,16230548482103842467,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2356 --field-trial-handle=2212,i,535787671628062436,16230548482103842467,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8 Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: C:\Program Files\Google\Chrome\Application\chrome.exe "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3156 --field-trial-handle=2212,i,535787671628062436,16230548482103842467,262144 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8 Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: C:\Program Files\Google\Chrome\Application\chrome.exe Process created: unknown unknown Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
PE file contains an invalid checksum
Source: 20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp.0.dr Static PE information: real checksum: 0x4307f8 should be: 0x9c59
PE file contains sections with non-standard names
Source: 20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp.0.dr Static PE information: section name: .didata
Source: Unconfirmed 881090.crdownload.0.dr Static PE information: section name: .didata
Source: chromecache_45.2.dr Static PE information: section name: .didata
Drops PE files
Source: C:\Program Files\Google\Chrome\Application\chrome.exe File created: C:\Users\user\Downloads\Unconfirmed 881090.crdownload Jump to dropped file
Source: C:\Program Files\Google\Chrome\Application\chrome.exe File created: Chrome Cache Entry: 45 Jump to dropped file
Source: C:\Program Files\Google\Chrome\Application\chrome.exe File created: C:\Users\user\Downloads\20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp Jump to dropped file
Drops files with a non-matching file extension (content does not match file extension)
Source: C:\Program Files\Google\Chrome\Application\chrome.exe File created: Chrome Cache Entry: 45
Source: C:\Program Files\Google\Chrome\Application\chrome.exe File created: Chrome Cache Entry: 45 Jump to dropped file
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 process2 2 Behavior Graph ID: 1432073 URL: http://download.lenovo.com/... Startdate: 26/04/2024 Architecture: WINDOWS Score: 3 5 chrome.exe 11 2->5         started        9 chrome.exe 2->9         started        dnsIp3 23 192.168.2.4, 138, 443, 49740 unknown unknown 5->23 25 239.255.255.250 unknown Reserved 5->25 17 C:\Users\...\Unconfirmed 881090.crdownload, PE32 5->17 dropped 19 20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp, PE32 5->19 dropped 11 chrome.exe 5->11         started        15 chrome.exe 5->15         started        file4 process5 dnsIp6 27 www.google.com 142.250.217.164, 443, 49740, 49750 GOOGLEUS United States 11->27 29 download.lenovo.com 11->29 21 Chrome Cache Entry: 45, PE32 11->21 dropped file7
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
142.250.217.164
 www.google.com United States
15169 GOOGLEUS false
239.255.255.250
 unknown Reserved
unknown unknown false

Private

IP
192.168.2.4

Contacted Domains

Name IP Active
www.google.com 142.250.217.164 true
fp2e7a.wpc.phicdn.net 192.229.211.108 true
download.lenovo.com unknown unknown