Automated Malware Analysis IOC Report for

Files

File Path

Type

Category

Malicious

U4fyOXrnTL.exe

PE32 executable (GUI) Intel 80386, for MS Windows

initial sample

Details

Filetype:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy:	6.6796758408304555
Filename:	U4fyOXrnTL.exe
Filesize:	49664
MD5:	01653d986e172b9f90f78c1483d17b90
SHA1:	6f9dcf4f387a25baf02baca5e0c54279c452fe18
SHA256:	7e30376b1f2ce098baaa3aca6919fb3e945e94a320afe70ede333e4319e4f695
SHA512:	5cd2a069fdbbd6fa4098cfa9b0c7cef502c057ca0890c72c7fd97bb92dd0dfee8e183cc07a6c2b01bae7ef6f05fe55077c7532ce94f0a067139c8a9088e9696b
SSDEEP:	1536:i7ZeybolYrKXJslP41rqHOns/p974k+ryQH6bb:5YreK7HOsBZUH4b
Preview:	MZ......................@...........................................main......6...P..'...'....$...P.!...........................).o..{...{...{...{x..v...{x..v...{x..v.......{..`.D.`.D.`.D.`.D.............................................^}f}(@.z\.N.M.MSD.F

Signature Hits	Behavior Group	Mitre Attack
Antivirus / Scanner detection for submitted sample	AV Detection
Multi AV Scanner detection for submitted file	AV Detection
Machine Learning detection for sample	AV Detection
Checks if the current process is being debugged	Anti Debugging	Virtualization/Sandbox Evasion Security Software Discovery
One or more processes crash	System Summary
PE file contains sections with non-standard names	Data Obfuscation
PE file does not import any functions	System Summary
Sample file is different than original file name gathered from version info	System Summary
Uses 32bit PE files	Compliance, System Summary
Reads software policies	System Summary	System Information Discovery
Sample is known by Antivirus	System Summary
Tries to load missing DLLs	System Summary	DLL Side-Loading

C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_U4fyOXrnTL.exe_9c5cbed17b4a24c34153c3d27dcfd13b3e47594_e72adc90_bfb2f4ad-5066-4cc5-be8b-8a14d189af8b\Report.wer

Unicode text, UTF-16, little-endian text, with CRLF line terminators

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_U4fyOXrnTL.exe_9c5cbed17b4a24c34153c3d27dcfd13b3e47594_e72adc90_bfb2f4ad-5066-4cc5-be8b-8a14d189af8b\Report.wer
Category:	dropped
Dump:	Report.wer.4.dr
ID:	dr_3
Target ID:	4
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	Unicode text, UTF-16, little-endian text, with CRLF line terminators
Entropy:	0.6336832925983196
Encrypted:	false
Ssdeep:	96:LmF4yzx0I6sYnhkYl7x9jQXIDcQvc6QcEVcw3cE/ugp+HbHg6ZAX/d5FMT2SlPke:qyE6Y0BU/gjEzuiF+Z24IO8+d
Size:	65536
Whitelisted:	false
Reputation:	low

Signature Hits	Behavior Group	Mitre Attack
Antivirus / Scanner detection for submitted sample	AV Detection
Multi AV Scanner detection for submitted file	AV Detection
Machine Learning detection for sample	AV Detection
PE file contains sections with non-standard names	Data Obfuscation
PE file does not import any functions	System Summary
Sample file is different than original file name gathered from version info	System Summary
Uses 32bit PE files	Compliance, System Summary
Sample is known by Antivirus	System Summary

C:\ProgramData\Microsoft\Windows\WER\Temp\WEREED0.tmp.dmp

Mini DuMP crash report, 14 streams, Wed Apr 24 01:01:14 2024, 0x1205a4 type

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WEREED0.tmp.dmp
Category:	dropped
Dump:	WEREED0.tmp.dmp.4.dr
ID:	dr_0
Target ID:	4
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	Mini DuMP crash report, 14 streams, Wed Apr 24 01:01:14 2024, 0x1205a4 type
Entropy:	1.9857011130784337
Encrypted:	false
Ssdeep:	96:5M87E3ncWzSPESi7nA+rMZ9CTekRohWI9WIbBI4Z8kIBdeKy:Fe+OFgin6zZ8fy
Size:	18760
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WEREF1F.tmp.WERInternalMetadata.xml

XML 1.0 document, Unicode text, UTF-16, little-endian text, with CRLF line terminators

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WEREF1F.tmp.WERInternalMetadata.xml
Category:	dropped
Dump:	WEREF1F.tmp.WERInternalMetadata.xml.4.dr
ID:	dr_1
Target ID:	4
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	XML 1.0 document, Unicode text, UTF-16, little-endian text, with CRLF line terminators
Entropy:	3.6971831107456645
Encrypted:	false
Ssdeep:	192:R6l7wVeJtB6JK6YSVSU9QTgmf1GrprOx89bZAsfKzm:R6lXJb6JK6YwSU9QTgmfQXZTfH
Size:	8284
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WEREF4F.tmp.xml

XML 1.0 document, ASCII text, with CRLF line terminators

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WEREF4F.tmp.xml
Category:	dropped
Dump:	WEREF4F.tmp.xml.4.dr
ID:	dr_2
Target ID:	4
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	XML 1.0 document, ASCII text, with CRLF line terminators
Entropy:	4.473405493335009
Encrypted:	false
Ssdeep:	48:cvIwWl8zsbJg77aI9EHWpW8VYhYm8M4J9gyFx+q8PgJrCLDktjd:uIjf1I7C27V5J2imgrCfktjd
Size:	4579
Whitelisted:	false
Reputation:	low

C:\Windows\appcompat\Programs\Amcache.hve

MS Windows registry file, NT/2000 or above

dropped

Details

File:	C:\Windows\appcompat\Programs\Amcache.hve
Category:	dropped
Dump:	Amcache.hve.4.dr
ID:	dr_4
Target ID:	4
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	MS Windows registry file, NT/2000 or above
Entropy:	4.372073177043739
Encrypted:	false
Ssdeep:	6144:wFVfpi6ceLP/9skLmb0ayWWSPtaJG8nAge35OlMMhA2AX4WABlguNKiL:oV1QyWWI/glMM6kF7Eq
Size:	1835008
Whitelisted:	false
Reputation:	low

Processes

Path

Cmdline

Malicious

C:\Users\user\Desktop\U4fyOXrnTL.exe

"C:\Users\user\Desktop\U4fyOXrnTL.exe"

Details

Is windows:	false
Is dropped:	false
PID:	5352
Target ID:	0
Parent PID:	4084
Name:	U4fyOXrnTL.exe
Path:	C:\Users\user\Desktop\U4fyOXrnTL.exe
Commandline:	"C:\Users\user\Desktop\U4fyOXrnTL.exe"
Size:	49664
MD5:	01653D986E172B9F90F78C1483D17B90
Time:	03:01:13
Date:	24/04/2024
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x400000
Modulesize:	151552
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
Antivirus / Scanner detection for submitted sample	AV Detection
Multi AV Scanner detection for submitted file	AV Detection
Machine Learning detection for sample	AV Detection
PE file contains sections with non-standard names	Data Obfuscation
PE file does not import any functions	System Summary
Sample file is different than original file name gathered from version info	System Summary
Uses 32bit PE files	Compliance, System Summary
Sample is known by Antivirus	System Summary
Spawns processes	System Summary	Process Injection

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5352 -s 232

Details

Is windows:	true
Is dropped:	false
PID:	6844
Target ID:	4
Parent PID:	5352
Name:	WerFault.exe
Path:	C:\Windows\SysWOW64\WerFault.exe
Commandline:	C:\Windows\SysWOW64\WerFault.exe -u -p 5352 -s 232
Size:	483680
MD5:	C31336C1EFC2CCB44B4326EA793040F2
Time:	03:01:13
Date:	24/04/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x8b0000
Modulesize:	499712
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
One or more processes crash	System Summary
Spawns processes	System Summary	Process Injection

URLs

Name

Malicious

http://upx.sf.net

unknown