Automated Malware Analysis IOC Report for

Files

File Path

Type

Category

Malicious

C:\Users\user\Downloads\20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp

PE32 executable (GUI) Intel 80386, for MS Windows

dropped

Details

File:	C:\Users\user\Downloads\20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp
Category:	dropped
Dump:	20f453e0-7c18-44a5-acb0-fd6ec335ba85.tmp.0.dr
ID:	dr_0
Target ID:	0
Process:	C:\Program Files\Google\Chrome\Application\chrome.exe
Type:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy:	6.24186527968806
Encrypted:	false
Ssdeep:	192:nBHsbUwRRc/NGHxzPaelqRy2oI3+McuJwmCzB8QQtBkQdeNl2yRiM15+:NeR8NwlPaek5JEIO6QQXPGlWM1Q
Size:	16074
Whitelisted:	false
Reputation:	low

Signature Hits	Behavior Group	Mitre Attack
Drops PE files	Persistence and Installation Behavior
Creates files inside the user directory	System Summary	Masquerading

C:\Users\user\Downloads\Unconfirmed 881090.crdownload

PE32 executable (GUI) Intel 80386, for MS Windows

dropped

Details

File:	C:\Users\user\Downloads\Unconfirmed 881090.crdownload
Category:	dropped
Dump:	Unconfirmed 881090.crdownload.0.dr
ID:	dr_1
Target ID:	0
Process:	C:\Program Files\Google\Chrome\Application\chrome.exe
Type:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy:	7.987807467068793
Encrypted:	false
Ssdeep:	98304:YN24SDdaUKQyR6Fe9IMr0KcrRjm6ENFjgZWw:c2T9KQSJHyRjm6CjkX
Size:	4336720
Whitelisted:	false
Reputation:	low

Signature Hits	Behavior Group	Mitre Attack
Drops PE files	Persistence and Installation Behavior

Chrome Cache Entry: 45

PE32 executable (GUI) Intel 80386, for MS Windows

downloaded

Details

File:	Chrome Cache Entry: 45
Category:	downloaded
Dump:	chromecache_45.2.dr
ID:	dr_3
Target ID:	2
Process:	C:\Program Files\Google\Chrome\Application\chrome.exe
Type:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy:	7.987807467068793
Encrypted:	false
Ssdeep:	98304:YN24SDdaUKQyR6Fe9IMr0KcrRjm6ENFjgZWw:c2T9KQSJHyRjm6CjkX
Size:	4336720
Whitelisted:	false
Reputation:	low

Signature Hits	Behavior Group	Mitre Attack
Drops PE files	Persistence and Installation Behavior
Drops files with a non-matching file extension (content does not match file extension)	Persistence and Installation Behavior	Masquerading

Processes

Path

Cmdline

Malicious

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" --start-maximized "about:blank"

Details

Is windows:	true
Is dropped:	false
PID:	3152
Target ID:	0
Parent PID:	2416
Name:	chrome.exe
Path:	C:\Program Files\Google\Chrome\Application\chrome.exe
Commandline:	"C:\Program Files\Google\Chrome\Application\chrome.exe" --start-maximized "about:blank"
Size:	3242272
MD5:	45DE480806D1B5D462A7DDE4DCEFC4E4
Time:	11:38:36
Date:	26/04/2024
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x7ff76e190000
Modulesize:	3325952
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Spawns processes	System Summary	Process Injection

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

Details

Is windows:	true
Is dropped:	false
PID:	5000
Target ID:	2
Parent PID:	3152
Name:	chrome.exe
Path:	C:\Program Files\Google\Chrome\Application\chrome.exe
Commandline:	"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
Size:	3242272
MD5:	45DE480806D1B5D462A7DDE4DCEFC4E4
Time:	11:38:39
Date:	26/04/2024
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x7ff76e190000
Modulesize:	3325952
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Spawns processes	System Summary	Process Injection

C:\Program Files\Google\Chrome\Application\chrome.exe

"C:\Program Files\Google\Chrome\Application\chrome.exe" "http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe"

Details

Is windows:	true
Is dropped:	false
PID:	6492
Target ID:	3
Parent PID:	2416
Name:	chrome.exe
Path:	C:\Program Files\Google\Chrome\Application\chrome.exe
Commandline:	"C:\Program Files\Google\Chrome\Application\chrome.exe" "http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe"
Size:	3242272
MD5:	45DE480806D1B5D462A7DDE4DCEFC4E4
Time:	11:38:42
Date:	26/04/2024
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x7ff76e190000
Modulesize:	3325952
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Spawns processes	System Summary	Process Injection

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

Details

Is windows:	true
Is dropped:	false
PID:	6764
Target ID:	4
Parent PID:	3152
Name:	chrome.exe
Path:	C:\Program Files\Google\Chrome\Application\chrome.exe
Commandline:	"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
Size:	3242272
MD5:	45DE480806D1B5D462A7DDE4DCEFC4E4
Time:	11:38:43
Date:	26/04/2024
Reason:	newprocess
Reputation:	low
Is admin:	false
Is elevated:	false
Modulebase:	0x7ff76e190000
Modulesize:	3325952
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Spawns processes	System Summary	Process Injection

URLs

Name

Malicious

http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe

Details

Filetype:	URL
Filename:	http://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe

Signature Hits	Behavior Group	Mitre Attack
Drops PE files	Persistence and Installation Behavior
Drops files with a non-matching file extension (content does not match file extension)	Persistence and Installation Behavior	Masquerading
Found detection on Joe Sandbox Cloud Basic	System Summary
PE file contains an invalid checksum	Data Obfuscation
PE file contains sections with non-standard names	Data Obfuscation
PE file does not import any functions	System Summary
PE file overlay found	System Summary
Classification label	System Summary
Connects to IPs without corresponding DNS lookups	Networking
Creates files inside the user directory	System Summary
Downloads files from webservers via HTTP	Networking	Non-Application Layer Protocol Ingress Tool Transfer
Performs DNS lookups	Networking
Spawns processes	System Summary	Process Injection
URLs found in memory or binary data	Networking
Uses HTTPS	Networking	Encrypted Channel Application Layer Protocol
Uses secure TLS version for HTTPS connections	Compliance, Networking
Found graphical window changes (likely an installer)	System Summary

http://www.jrsoftware.org/ishelp/index.php?topic=setupcmdlineSetupU

unknown

Domains

Name

Malicious

www.google.com

142.250.217.164

Details

Name:	www.google.com
IP:	142.250.217.164
TargetID:	2
Current Path:	C:\Program Files\Google\Chrome\Application\chrome.exe
Active:	true
Reputation:	high

Signature Hits	Behavior Group	Mitre Attack
Performs DNS lookups	Networking	Application Layer Protocol Non-Application Layer Protocol

fp2e7a.wpc.phicdn.net

192.229.211.108

download.lenovo.com

unknown

Details

Name:	download.lenovo.com
TargetID:	2
Current Path:	C:\Program Files\Google\Chrome\Application\chrome.exe
Reputation:	high

Signature Hits	Behavior Group	Mitre Attack
Performs DNS lookups	Networking	Application Layer Protocol Non-Application Layer Protocol
Spawns processes	System Summary	Process Injection

IPs

Domain

Country

Malicious

142.250.217.164

www.google.com

United States

239.255.255.250

unknown

Reserved

192.168.2.4

unknown

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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

Files

Processes

URLs

Domains

IPs

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

IOC Reporthttp://download.lenovo.com/pccbbs/desktop/u1ra101us17.exe

Files

Processes

URLs

Domains

IPs

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