Automated Malware Analysis IOC Report for

Files

File Path

Type

Category

Malicious

TuQlz67byH.exe

PE32 executable (GUI) Intel 80386, for MS Windows

initial sample

Details

Filetype:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy:	7.723529670914476
Filename:	TuQlz67byH.exe
Filesize:	551424
MD5:	8e704acd1b0c26fdcfd0374d57fcb28e
SHA1:	157b61a24087521693c8aca743d60e4c33cb803d
SHA256:	6c7818a65f46711fbc89cd7b548829e98be247fab8b2c4766c85b64bc632e797
SHA512:	b9248880d2b68a7a171f210ce0d9db345c189c411c4946238ed840d0ed993563b413d66a1ed61357bfe699ebc62f9817c4390cffd30067f7a357a5db3bd63351
SSDEEP:	12288:ofmHj9OPDULypmp0/dPAOQxjiVQZ9n4CZpywJl9VOLO4S:oq9O9gCZTaiiZ9tXVOL
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
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
LummaC encrypted strings found	HIPS / PFW / Operating System Protection Evasion	PowerShell Process Injection
Machine Learning detection for sample	AV Detection
Writes to foreign memory regions	HIPS / PFW / Operating System Protection Evasion	Process Injection
Checks if the current process is being debugged	Anti Debugging
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	Security Software Discovery
Creates a process in suspended mode (likely to inject code)	HIPS / PFW / Operating System Protection Evasion
Detected potential crypto function	System Summary	Archive Collected Data
Found inlined nop instructions (likely shell or obfuscated code)	Software Vulnerabilities
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	Process Injection
Uses code obfuscation techniques (call, push, ret)	Data Obfuscation	Obfuscated Files or Information
PE file has section (not .text) which is very likely to contain packed code (zlib compression ratio < 0.011)	System Summary	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
Might use command line arguments	System Summary	Command and Scripting Interpreter
PE file has an executable .text section and no other executable section	System Summary
Reads software policies	System Summary
Tries to load missing DLLs	System Summary	DLL Side-Loading
PE file contains a valid data directory to section mapping	System Summary	Security Software Discovery
PE file contains a debug data directory	System Summary	Process Injection
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_TuQlz67byH.exe_d76742b7c7eb12edef8869ab2eace6d431024f4_b43b274e_a43d26ab-ffb2-4ba1-9e25-7cc724e4c613\Report.wer

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

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_TuQlz67byH.exe_d76742b7c7eb12edef8869ab2eace6d431024f4_b43b274e_a43d26ab-ffb2-4ba1-9e25-7cc724e4c613\Report.wer
Category:	dropped
Dump:	Report.wer.6.dr
ID:	dr_3
Target ID:	6
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	Unicode text, UTF-16, little-endian text, with CRLF line terminators
Entropy:	0.6557373598358295
Encrypted:	false
Ssdeep:	96:iU2XWFEOO0H6s5yk7AxfuQXIDcQvc6QcEVcw3cE/3+HbHg/5hZAX/d5FMT2SlPko:ilWJOe6n0BU/QjhzuiF0Z24IO8i
Size:	65536
Whitelisted:	false
Reputation:	low

Signature Hits	Behavior Group	Mitre Attack
Antivirus / Scanner detection for submitted sample	AV Detection
LummaC encrypted strings found	HIPS / PFW / Operating System Protection Evasion	PowerShell Deobfuscate/Decode Files or Information
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
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\WER22C2.tmp.dmp

Mini DuMP crash report, 14 streams, Mon Oct 7 16:47:21 2024, 0x1205a4 type

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WER22C2.tmp.dmp
Category:	dropped
Dump:	WER22C2.tmp.dmp.6.dr
ID:	dr_0
Target ID:	6
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	Mini DuMP crash report, 14 streams, Mon Oct 7 16:47:21 2024, 0x1205a4 type
Entropy:	1.6601789990165903
Encrypted:	false
Ssdeep:	96:5v8wnfQDac3uEO8Ni77Tb3YveEKVw2gSr5n+oSAWrKVkjS68LWx4Wqx9avYfCo4+:GezT8NOsGrw2CJAlr5jsiJjqTAPt
Size:	35450
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WER2331.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\WER2331.tmp.WERInternalMetadata.xml
Category:	dropped
Dump:	WER2331.tmp.WERInternalMetadata.xml.6.dr
ID:	dr_1
Target ID:	6
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	XML 1.0 document, Unicode text, UTF-16, little-endian text, with CRLF line terminators
Entropy:	3.69829383026051
Encrypted:	false
Ssdeep:	192:R6l7wVeJnW626Y2DzSU99ZSgmf79T+prt89bkxsf02sm:R6lXJW626YeSU92gmf79TBkqft
Size:	8326
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WER2380.tmp.xml

XML 1.0 document, ASCII text, with CRLF line terminators

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WER2380.tmp.xml
Category:	dropped
Dump:	WER2380.tmp.xml.6.dr
ID:	dr_2
Target ID:	6
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	XML 1.0 document, ASCII text, with CRLF line terminators
Entropy:	4.4919774993319015
Encrypted:	false
Ssdeep:	48:cvIwWl8zswJg77aI9DcVWpW8VY/Ym8M4JrV8gDF++q8UZjBa0RRttQtfd:uIjf2I7hZ7VfJ6ja0xYfd
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.6.dr
ID:	dr_4
Target ID:	6
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	MS Windows registry file, NT/2000 or above
Entropy:	4.4692328652456546
Encrypted:	false
Ssdeep:	6144:NzZfpi6ceLPx9skLmb0fsZWSP3aJG8nAgeiJRMMhA2zX4WABluuNYjDH5S:FZHtsZWOKnMM6bFpCj4
Size:	1835008
Whitelisted:	false
Reputation:	low

Processes

Path

Cmdline

Malicious

C:\Users\user\Desktop\TuQlz67byH.exe

"C:\Users\user\Desktop\TuQlz67byH.exe"

Details

Is windows:	false
Is dropped:	false
PID:	3548
Target ID:	0
Parent PID:	4004
Name:	TuQlz67byH.exe
Path:	C:\Users\user\Desktop\TuQlz67byH.exe
Commandline:	"C:\Users\user\Desktop\TuQlz67byH.exe"
Size:	551424
MD5:	8E704ACD1B0C26FDCFD0374D57FCB28E
Time:	12:47:21
Date:	07/10/2024
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0xec0000
Modulesize:	569344
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
Antivirus / Scanner detection for submitted sample	AV Detection
Yara detected LummaC Stealer	Stealing of Sensitive Information, Remote Access Functionality
LummaC encrypted strings found	HIPS / PFW / Operating System Protection Evasion	PowerShell Deobfuscate/Decode Files or Information
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
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:	6420
Target ID:	1
Parent PID:	3548
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:	12:47:21
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0xa0000
Modulesize:	262144
Wow64:	false

Signature Hits	Behavior Group	Mitre Attack
Yara detected LummaC Stealer	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:	2580
Target ID:	2
Parent PID:	3548
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:	12:47:21
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x520000
Modulesize:	262144
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
Yara detected LummaC Stealer	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 3548 -s 288

Details

Is windows:	true
Is dropped:	false
PID:	4548
Target ID:	6
Parent PID:	3548
Name:	WerFault.exe
Path:	C:\Windows\SysWOW64\WerFault.exe
Commandline:	C:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 288
Size:	483680
MD5:	C31336C1EFC2CCB44B4326EA793040F2
Time:	12:47:21
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0x360000
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

frizzettei.sbs

https://steamcommunity.com/profiles/76561199724331900

104.102.49.254

invinjurhey.sbs

exilepolsiy.sbs

laddyirekyi.sbs

https://steamcommunity.com/profiles/76561199724331900/inventory/

unknown

isoplethui.sbs

bemuzzeki.sbs

exemplarou.sbs

wickedneatr.sbs

https://sergei-esenin.com/api

104.21.53.8

https://steamcommunity.com/profiles/76561199724331900/badges

unknown

http://store.steampowered.com/privacy_agreement/

unknown

https://sergei-esenin.com/

unknown

http://upx.sf.net

unknown

http://store.steampowered.com/subscriber_agreement/

unknown

https://steamcommunity.com/linkfilter/?u=http%3A%2F%2Fwww.geonames.org

unknown

https://community.akamai.steamstatic.com/public/javascript/applications/community/libraries~b28b7af6

unknown

https://community.akamai.steamstatic.com/public/images/skin_1/arrowDn9x5.gif

unknown

https://community.akamai.steamstatic.com/public/css/applications/community/main.css?v=Ev2sBLgkgyWJ&a

unknown

https://sergei-esenin.com:443/apifiles/76561199724331900

unknown

https://avatars.akamai.steamstatic.com/fef49e7fa7e1997310d705b2a6158ff8dc1cdfeb_full.jpg

unknown

https://sergei-esenin.com/q

unknown

https://sergei-esenin.com/r

unknown

https://community.akamai.steamstatic.com/public/javascript/applications/community/main.js?v=10oP_O2R

unknown

https://community.akamai.steamstatic.com/public/images/skin_1/footerLogo_valve.png?v=1

unknown

https://sergei-esenin.com/b

unknown

http://store.steampowered.com/account/cookiepreferences/

unknown

https://community.akamai.steamstatic.com/public/javascript/applications/community/manifest.js?v=AeTz

unknown

https://steamcommunity.com/

unknown

https://store.steampowered.com/legal/

unknown

There are 21 hidden URLs, click here to show them.

Domains

Name

Malicious

steamcommunity.com

104.102.49.254

sergei-esenin.com

104.21.53.8

frizzettei.sbs

unknown

laddyirekyi.sbs

unknown

wickedneatr.sbs

unknown

bemuzzeki.sbs

unknown

invinjurhey.sbs

unknown

isoplethui.sbs

unknown

exilepolsiy.sbs

unknown

exemplarou.sbs

unknown

bg.microsoft.map.fastly.net

199.232.210.172

s-part-0044.t-0009.fb-t-msedge.net

13.107.253.72

fp2e7a.wpc.phicdn.net

192.229.221.95

There are 3 hidden domains, click here to show them.

IPs

Domain

Country

Malicious

104.21.53.8

sergei-esenin.com

United States

Details

IP:	104.21.53.8
TargetID:	2
Current Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Country:	United States
Countrycode:	USA
ASN number:	13335
ASN name:	CLOUDFLARENETUS
Private:	false
Domain:	sergei-esenin.com

Signature Hits	Behavior Group	Mitre Attack
Suricata IDS alerts for network traffic	Networking
Uses secure TLS version for HTTPS connections	Compliance, Networking

104.102.49.254

steamcommunity.com

United States

Details

IP:	104.102.49.254
TargetID:	2
Current Path:	C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Country:	United States
Countrycode:	USA
ASN number:	16625
ASN name:	AKAMAI-ASUS
Private:	false
Domain:	steamcommunity.com

Signature Hits	Behavior Group	Mitre Attack
Sigma detected: Silenttrinity Stager Msbuild Activity	System Summary
Uses secure TLS version for HTTPS connections	Compliance, Networking