Automated Malware Analysis IOC Report for

Files

File Path

Type

Category

Malicious

j8zJ5Jwja4.exe

PE32 executable (GUI) Intel 80386, for MS Windows

initial sample

Details

Filetype:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy:	7.722534100839197
Filename:	j8zJ5Jwja4.exe
Filesize:	550912
MD5:	65a8f223d7e0fb5cca7e8ae22cd51b5e
SHA1:	9b619e477948c5b605597ccab51af24738978501
SHA256:	61290d28114db41580ed0da7891920ee4f625ebd2ccdd23f3ef6f7d28777c8b7
SHA512:	32c367df61d1265b4bd9f8053ac46b3acb8526e621beafdcbaa8aa94e8243fe5829d812d7c309eb310494442db88cee41669a2a326b587b030ca57686fd9350b
SSDEEP:	12288:bdkYNLs5LUXUdOYjf4FbDaTo2TRsxTGi5Zs4S:bXLsYYkFbqo2TRsD5D
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
Multi AV Scanner detection for submitted file	AV Detection	Process Injection
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	Security Software 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	Security Software Discovery
Detected potential crypto function	System Summary	Security Software Discovery 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
Found potential string decryption / allocating functions	System Summary	Deobfuscate/Decode Files or Information
One or more processes crash	System Summary
Sample file is different than original file name gathered from version info	System Summary	Security Software Discovery
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 Security Software Discovery
Contains functionality to enumerate / list files inside a directory	Spreading, Malware Analysis System Evasion	Security Software Discovery File and Directory Discovery
Contains functionality to query local / system time	Language, Device and Operating System Detection	System Time Discovery System Information Discovery
Contains functionality to register its own exception handler	Anti Debugging	Security Software Discovery
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
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	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_j8zJ5Jwja4.exe_1966512a4c1b30f6d3a54994d6808c78ed874d_fc5164de_5b9e6915-1166-4648-8a92-c0d7202a1d2c\Report.wer

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

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_j8zJ5Jwja4.exe_1966512a4c1b30f6d3a54994d6808c78ed874d_fc5164de_5b9e6915-1166-4648-8a92-c0d7202a1d2c\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:	0.6558110350367419
Encrypted:	false
Ssdeep:	96:DyFsP0qSWsIy6iAPf8QXIDcQvc6QcEVcw3cE/n+HbHg/5hZAX/d5FMT2SlPkpXma:mKP1SWt0BU/gjhzuiF5Z24IO8G
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
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
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\WEREC0B.tmp.dmp

Mini DuMP crash report, 14 streams, Tue Oct 8 02:24:08 2024, 0x1205a4 type

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WEREC0B.tmp.dmp
Category:	dropped
Dump:	WEREC0B.tmp.dmp.5.dr
ID:	dr_0
Target ID:	5
Process:	C:\Windows\SysWOW64\WerFault.exe
Type:	Mini DuMP crash report, 14 streams, Tue Oct 8 02:24:08 2024, 0x1205a4 type
Entropy:	1.7500002560673362
Encrypted:	false
Ssdeep:	96:5v8DdXCte5WDi778YdFNigk0/dkaEbEDw2eWIkWITsI4WEN5OpeGvxa:60DO1iMeB4sFWErPGvx
Size:	33156
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WEREC79.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\WEREC79.tmp.WERInternalMetadata.xml
Category:	dropped
Dump:	WEREC79.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:	3.7028194722407837
Encrypted:	false
Ssdeep:	192:R6l7wVeJJI6y6YSkSUN6dNOgmfgIXPprH89bTYsf4xm:R6lXJW6y6YxSUcdNOgmfgIXaTLfj
Size:	8328
Whitelisted:	false
Reputation:	low

C:\ProgramData\Microsoft\Windows\WER\Temp\WERECA9.tmp.xml

XML 1.0 document, ASCII text, with CRLF line terminators

dropped

Details

File:	C:\ProgramData\Microsoft\Windows\WER\Temp\WERECA9.tmp.xml
Category:	dropped
Dump:	WERECA9.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:	4.489993582894266
Encrypted:	false
Ssdeep:	48:cvIwWl8zs6uJg77aI9FqVWpW8VYSYm8M4JWtFcq+q82uaOurd:uIjf6kI7TT7VuJo6aOurd
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:	4.372750969919041
Encrypted:	false
Ssdeep:	6144:jFVfpi6ceLP/9skLmb0ayWWSPtaJG8nAge35OlMMhA2AX4WABlguNOiL:ZV1QyWWI/glMM6kF7Eq
Size:	1835008
Whitelisted:	false
Reputation:	low

Processes

Path

Cmdline

Malicious

C:\Users\user\Desktop\j8zJ5Jwja4.exe

"C:\Users\user\Desktop\j8zJ5Jwja4.exe"

Details

Is windows:	false
Is dropped:	false
PID:	7736
Target ID:	0
Parent PID:	4084
Name:	j8zJ5Jwja4.exe
Path:	C:\Users\user\Desktop\j8zJ5Jwja4.exe
Commandline:	"C:\Users\user\Desktop\j8zJ5Jwja4.exe"
Size:	550912
MD5:	65A8F223D7E0FB5CCA7E8AE22CD51B5E
Time:	22:24:08
Date:	07/10/2024
Reason:	newprocess
Reputation:	low
Is admin:	true
Is elevated:	true
Modulebase:	0x720000
Modulesize:	569344
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
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
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:	7760
Target ID:	2
Parent PID:	7736
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:	22:24:08
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0xdd0000
Modulesize:	262144
Wow64:	true

Signature Hits	Behavior Group	Mitre Attack
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 7736 -s 272

Details

Is windows:	true
Is dropped:	false
PID:	7880
Target ID:	5
Parent PID:	7736
Name:	WerFault.exe
Path:	C:\Windows\SysWOW64\WerFault.exe
Commandline:	C:\Windows\SysWOW64\WerFault.exe -u -p 7736 -s 272
Size:	483680
MD5:	C31336C1EFC2CCB44B4326EA793040F2
Time:	22:24:08
Date:	07/10/2024
Reason:	newprocess
Reputation:	high
Is admin:	true
Is elevated:	true
Modulebase:	0xfb0000
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

https://steamcommunity.com/profiles/76561199724331900

104.102.49.254

https://sergei-esenin.com/apid

unknown

licendfilteo.site

studennotediw.stor

bathdoomgaz.stor

https://sergei-esenin.com/ob

unknown

https://sergei-esenin.com/

unknown

trustterwowqm.shop

eaglepawnoy.stor

dissapoiznw.stor

https://sergei-esenin.com/api

172.67.206.204

https://sergei-esenin.com/api:

unknown

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

unknown

clearancek.site

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

unknown

https://sergei-esenin.com/s

unknown

spirittunek.stor

mobbipenju.stor

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

unknown

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

unknown

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

unknown

http://upx.sf.net

unknown

https://steamcommunity.com/ay

unknown

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

unknown

There are 14 hidden URLs, click here to show them.

Domains

Name

Malicious

steamcommunity.com

104.102.49.254

sergei-esenin.com

172.67.206.204

trustterwowqm.shop

unknown

licendfilteo.site

unknown

clearancek.site

unknown

fp2e7a.wpc.phicdn.net

192.229.221.95

eaglepawnoy.store

unknown

bathdoomgaz.store

unknown

spirittunek.store

unknown

studennotediw.store

unknown

mobbipenju.store

unknown

dissapoiznw.store

unknown

There are 2 hidden domains, click here to show them.

IPs

Domain

Country

Malicious

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

172.67.206.204

sergei-esenin.com

United States

Details

IP:	172.67.206.204
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