Automated Malware Analysis IOC Report for

Files

File Path

Type

Category

Malicious

5rVhexjLCx.exe

PE32 executable (GUI) Intel 80386, for MS Windows

initial sample

Details

Filetype:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy:	7.681701162060035
Filename:	5rVhexjLCx.exe
Filesize:	505344
MD5:	0b1d171017be0462ff7522614f49afea
SHA1:	de5bea1d68ac834060d2b88c667761f6be6d5e3b
SHA256:	548617ec6305c654f71be990786ad737c3fce173e319c78f78d074589f72dbdc
SHA512:	3c7031c65202510b23234637e22eb7c5996840b01e1b01041aec9be2d1d2c1105ad3ff6e6f4b323b85f4f4ec40e87d05295843c017c00dd378cdb75bdacb0a6e
SSDEEP:	12288:Zadlka1IlaK/bs650zG5IEp04PJjV+iZQc4S:Zda1C53IEdh1ZQ1
Preview:	MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......=.9.y.WUy.WUy.WU..TTu.WU..RT..WU..STl.WU..VTz.WUy.VU!.WUilTTm.WUilSTk.WUilRT4.WU1m^Tx.WU1m.Ux.WU1mUTx.WURichy.WU...............

Signature Hits	Behavior Group	Mitre Attack
Antivirus / Scanner detection for submitted sample	AV Detection
Found malware configuration	AV Detection
Multi AV Scanner detection for submitted file	AV Detection
Allocates memory in foreign processes	HIPS / PFW / Operating System Protection Evasion
Injects a PE file into a foreign processes	HIPS / PFW / Operating System Protection Evasion
Machine Learning detection for sample	AV Detection
Writes to foreign memory regions	HIPS / PFW / Operating System Protection Evasion
Checks if the current process is being debugged	Anti Debugging	Virtualization/Sandbox Evasion
Contains functionality to check if a debugger is running (IsDebuggerPresent)	Anti Debugging
Contains functionality to query locales information (e.g. system language)	Language, Device and Operating System Detection	System Information Discovery
Contains functionality to read the PEB	Anti Debugging
Contains functionality which may be used to detect a debugger (GetProcessHeap)	Anti Debugging
Creates a process in suspended mode (likely to inject code)	HIPS / PFW / Operating System Protection Evasion	Process Injection
Detected potential crypto function	System Summary	Archive Collected Data Encrypted Channel
Found large amount of non-executed APIs	Malware Analysis System Evasion
One or more processes crash	System Summary
Sample file is different than original file name gathered from version info	System Summary
Uses 32bit PE files	Compliance, System Summary	Masquerading
Uses code obfuscation techniques (call, push, ret)	Data Obfuscation
PE file has section (not .text) which is very likely to contain packed code (zlib compression ratio < 0.011)	System Summary	Native API Software Packing
Contains functionality to enumerate / list files inside a directory	Spreading, Malware Analysis System Evasion	File and Directory Discovery
Contains functionality to query local / system time	Language, Device and Operating System Detection	System Time Discovery
Contains functionality to register its own exception handler	Anti Debugging
PE file has an executable .text section and no other executable section	System Summary
Reads software policies	System Summary
Sample is known by Antivirus	System Summary
Tries to load missing DLLs	System Summary	DLL Side-Loading
PE file contains a valid data directory to section mapping	System Summary
PE file contains a debug data directory	System Summary
Contains modern PE file flags such as dynamic base (ASLR) or NX	Compliance, System Summary
PE file contains a mix of data directories often seen in goodware	System Summary

C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_5rVhexjLCx.exe_4f563470d5c1e523cae46f4ce3215b123fa5833_07f53762_c9c77ddf-0ca1-47fc-8dbf-f5e4899913d0\Report.wer

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

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_5rVhexjLCx.exe_4f563470d5c1e523cae46f4ce3215b123fa5833_07f53762_c9c77ddf-0ca1-47fc-8dbf-f5e4899913d0\Report.wer
Category:	dropped
Dump:	Report.wer.5.dr
ID:	dr_3
Target ID:	5
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	Unicode text, UTF-16, little-endian text, with CRLF line terminators
Entropy:	0.6543529958641754
Encrypted:	false
Ssdeep:	96:rPPFrVYi0M4s0yI+Atf5QXIDcQvc6QcEVcw3cE/X+HbHg/5hZAX/d5FMT2SlPkp1:jDYiF4w0BU/wjhzuiFWZ24IO8bT
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
Sample file is different than original file name gathered from version info	System Summary
Uses 32bit PE files	Compliance, System Summary
PE file has section (not .text) which is very likely to contain packed code (zlib compression ratio < 0.011)	System Summary	Software Packing
PE file has an executable .text section and no other executable section	System Summary
Sample is known by Antivirus	System Summary
PE file contains a valid data directory to section mapping	System Summary
PE file contains a debug data directory	System Summary
Contains modern PE file flags such as dynamic base (ASLR) or NX	Compliance, System Summary
PE file contains a mix of data directories often seen in goodware	System Summary

C:\ProgramData\Microsoft\Windows\WER\Temp\WER8CD9.tmp.dmp

Mini DuMP crash report, 14 streams, Mon Oct 7 16:00:19 2024, 0x1205a4 type

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WER8CD9.tmp.dmp
Category:	dropped
Dump:	WER8CD9.tmp.dmp.5.dr
ID:	dr_0
Target ID:	5
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	Mini DuMP crash report, 14 streams, Mon Oct 7 16:00:19 2024, 0x1205a4 type
Entropy:	1.7078932649569614
Encrypted:	false
Ssdeep:	96:568kqs6zJWsEWXsVi77hWyVsKWZMFzkSzaY/dqg+6KWIkWI2MI4O+effCiJgXirv:HBeODsr2FzkcqD6bO+GqiOyrQF2
Size:	34150
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WER8D28.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\WER8D28.tmp.WERInternalMetadata.xml
Category:	dropped
Dump:	WER8D28.tmp.WERInternalMetadata.xml.5.dr
ID:	dr_1
Target ID:	5
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	XML 1.0 document, Unicode text, UTF-16, little-endian text, with CRLF line terminators
Entropy:	3.7021028899040993
Encrypted:	false
Ssdeep:	192:R6l7wVeJ/K636Y9jgSU9Aw7gmf0mzAldprr89bXbsf69m:R6lXJC636Y2SU9Aw7gmf0i2sXgfJ
Size:	8328
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WER8D68.tmp.xml

XML 1.0 document, ASCII text, with CRLF line terminators

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WER8D68.tmp.xml
Category:	dropped
Dump:	WER8D68.tmp.xml.5.dr
ID:	dr_2
Target ID:	5
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	XML 1.0 document, ASCII text, with CRLF line terminators
Entropy:	4.487642186380506
Encrypted:	false
Ssdeep:	48:cvIwWl8zsUJg77aI9UCuWpW8VYJYm8M4J7SlMFV+q87WxDCajiLyd:uIjfSI7nP7VFJ97CajIyd
Size:	4678
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.5.dr
ID:	dr_4
Target ID:	5
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	MS Windows registry file, NT/2000 or above
Entropy:	4.4660544969377005
Encrypted:	false
Ssdeep:	6144:cIXfpi67eLPU9skLmb0b4+WSPKaJG8nAgejZMMhA2gX4WABl0uNsdwBCswSbF:hXD94+WlLZMM6YFHu+F
Size:	1835008
Whitelisted:	false
Reputation:	low

Processes

Path

Cmdline

Malicious

C:\Users\user\Desktop\5rVhexjLCx.exe

"C:\Users\user\Desktop\5rVhexjLCx.exe"

Details

Is windows:	false
Is dropped:	false
PID:	7000
Target ID:	0
Parent PID:	2580
Name:	5rVhexjLCx.exe
Path:	C:\Users\user\Desktop\5rVhexjLCx.exe
Commandline:	"C:\Users\user\Desktop\5rVhexjLCx.exe"
Size:	505344
MD5:	0B1D171017BE0462FF7522614F49AFEA
Time:	12:00:19
Date:	07/10/2024
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x580000
Modulesize:	520192
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
Yara detected Powershell download and execute	HIPS / PFW / Operating System Protection Evasion
Yara detected Stealc	Stealing of Sensitive Information, Remote Access Functionality
Machine Learning detection for sample	AV Detection
Sample file is different than original file name gathered from version info	System Summary
Uses 32bit PE files	Compliance, System Summary
PE file has section (not .text) which is very likely to contain packed code (zlib compression ratio < 0.011)	System Summary	Software Packing
PE file has an executable .text section and no other executable section	System Summary
Sample is known by Antivirus	System Summary
Spawns processes	System Summary	Process Injection
PE file contains a valid data directory to section mapping	System Summary
PE file contains a debug data directory	System Summary
Contains modern PE file flags such as dynamic base (ASLR) or NX	Compliance, System Summary
PE file contains a mix of data directories often seen in goodware	System Summary

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Details

Is windows:	true
Is dropped:	false
PID:	7028
Target ID:	1
Parent PID:	7000
Name:	MSBuild.exe
Class:	system-tools
Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Commandline:	"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
Size:	262432
MD5:	8FDF47E0FF70C40ED3A17014AEEA4232
Time:	12:00:19
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x270000
Modulesize:	262144
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Yara detected Powershell download and execute	HIPS / PFW / Operating System Protection Evasion
Yara detected Stealc	Stealing of Sensitive Information, Remote Access Functionality
Allocates memory in foreign processes	HIPS / PFW / Operating System Protection Evasion	Process Injection
Injects a PE file into a foreign processes	HIPS / PFW / Operating System Protection Evasion	Process Injection
Sigma detected: Silenttrinity Stager Msbuild Activity	System Summary
Writes to foreign memory regions	HIPS / PFW / Operating System Protection Evasion	Process Injection
Creates a process in suspended mode (likely to inject code)	HIPS / PFW / Operating System Protection Evasion	Process Injection
Spawns processes	System Summary	Process Injection

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Details

Is windows:	true
Is dropped:	false
PID:	7072
Target ID:	2
Parent PID:	7000
Name:	MSBuild.exe
Class:	system-tools
Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Commandline:	"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
Size:	262432
MD5:	8FDF47E0FF70C40ED3A17014AEEA4232
Time:	12:00:19
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0xf80000
Modulesize:	262144
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
Yara detected Powershell download and execute	HIPS / PFW / Operating System Protection Evasion
Yara detected Stealc	Stealing of Sensitive Information, Remote Access Functionality
Allocates memory in foreign processes	HIPS / PFW / Operating System Protection Evasion	Process Injection
Injects a PE file into a foreign processes	HIPS / PFW / Operating System Protection Evasion	Process Injection
Sigma detected: Silenttrinity Stager Msbuild Activity	System Summary
Writes to foreign memory regions	HIPS / PFW / Operating System Protection Evasion	Process Injection
Creates a process in suspended mode (likely to inject code)	HIPS / PFW / Operating System Protection Evasion	Process Injection
Spawns processes	System Summary	Process Injection

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 7000 -s 272

Details

Is windows:	true
Is dropped:	false
PID:	3156
Target ID:	5
Parent PID:	7000
Name:	WerFault.exe
Path:	C:\Windows\SysWOW64\WerFault.exe
Commandline:	C:\Windows\SysWOW64\WerFault.exe -u -p 7000 -s 272
Size:	483680
MD5:	C31336C1EFC2CCB44B4326EA793040F2
Time:	12:00:19
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0xde0000
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://62.204.41.150

unknown

Details

Name:	http://62.204.41.150
TargetID:	2
From Memory:	true
Current Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Source:	MSBuild.exe, 00000002.00000002.1821798239.0000000001667000.00000004.00000020.00020000.00000000.sdmp

Signature Hits	Behavior Group	Mitre Attack
Found malware configuration	AV Detection
C2 URLs / IPs found in malware configuration	Networking	Application Layer Protocol
URLs found in memory or binary data	Networking

http://62.204.41.150/

62.204.41.150

Details

Name:	http://62.204.41.150/
IP:	62.204.41.150
TargetID:	2
From Memory:	false
Current Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Source:	network

Signature Hits	Behavior Group	Mitre Attack
Found malware configuration	AV Detection
Suricata IDS alerts for network traffic	Networking
C2 URLs / IPs found in malware configuration	Networking	Application Layer Protocol
Sigma detected: Silenttrinity Stager Msbuild Activity	System Summary
HTTP GET or POST without a user agent	Networking
Connects to IPs without corresponding DNS lookups	Networking
Downloads files from webservers via HTTP	Networking	Application Layer Protocol Non-Application Layer Protocol Ingress Tool Transfer
Posts data to webserver	Networking	Application Layer Protocol Non-Application Layer Protocol
URLs found in memory or binary data	Networking

http://62.204.41.150/edd20096ecef326d.php

62.204.41.150

Details

Name:	http://62.204.41.150/edd20096ecef326d.php
IP:	62.204.41.150
TargetID:	2
From Memory:	false
Current Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Source:	network

Signature Hits	Behavior Group	Mitre Attack
Found malware configuration	AV Detection
Suricata IDS alerts for network traffic	Networking
C2 URLs / IPs found in malware configuration	Networking	Application Layer Protocol
Sigma detected: Silenttrinity Stager Msbuild Activity	System Summary
HTTP GET or POST without a user agent	Networking
Connects to IPs without corresponding DNS lookups	Networking
Downloads files from webservers via HTTP	Networking	Application Layer Protocol Non-Application Layer Protocol Ingress Tool Transfer
Posts data to webserver	Networking	Application Layer Protocol Non-Application Layer Protocol
URLs found in memory or binary data	Networking

http://62.204.41.150/n

unknown

http://62.204.41.150/edd20096ecef326d.php0

unknown

http://upx.sf.net

unknown

http://62.204.41.150/edd20096ecef326d.phpFd

unknown

http://62.204.41.150/J

unknown

http://62.204.41.150/edd20096ecef326d.phpnd

unknown

Domains

Name

Malicious

s-part-0017.t-0009.fb-t-msedge.net

13.107.253.45

fp2e7a.wpc.phicdn.net

192.229.221.95

IPs

Domain

Country

Malicious

62.204.41.150

unknown

United Kingdom

Details

IP:	62.204.41.150
TargetID:	2
Current Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Country:	United Kingdom
Countrycode:	GBR
ASN number:	30798
ASN name:	TNNET-ASTNNetOyMainnetworkFI
Private:	false

Signature Hits	Behavior Group	Mitre Attack
Found malware configuration	AV Detection
Suricata IDS alerts for network traffic	Networking
C2 URLs / IPs found in malware configuration	Networking	Application Layer Protocol
Sigma detected: Silenttrinity Stager Msbuild Activity	System Summary
HTTP GET or POST without a user agent	Networking
Connects to IPs without corresponding DNS lookups	Networking
Downloads files from webservers via HTTP	Networking	Application Layer Protocol Non-Application Layer Protocol Ingress Tool Transfer
Posts data to webserver	Networking	Application Layer Protocol Non-Application Layer Protocol
URLs found in memory or binary data	Networking