Malware Analysis Report

2025-08-05 19:43

Sample ID 240402-nk3w8sgh72
Target f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.zip
SHA256 7c30bd42feaf243bc57c696fdbcc607e36c08530d7586fd916f3eaaaa7e84e70
Tags
vidar 22d12fb91f01647fe2107fec81f0cc22 stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7c30bd42feaf243bc57c696fdbcc607e36c08530d7586fd916f3eaaaa7e84e70

Threat Level: Known bad

The file f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.zip was found to be: Known bad.

Malicious Activity Summary

vidar 22d12fb91f01647fe2107fec81f0cc22 stealer

Detect Vidar Stealer

Vidar

Unsigned PE

Program crash

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-02 11:28

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 11:28

Reported

2024-04-02 11:31

Platform

win7-20240221-en

Max time kernel

119s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Vidar

stealer vidar

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe

"C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 steamcommunity.com udp
GB 104.82.234.109:443 steamcommunity.com tcp
DE 168.119.60.168:443 168.119.60.168 tcp
DE 168.119.60.168:443 168.119.60.168 tcp
DE 168.119.60.168:443 tcp
DE 168.119.60.168:443 168.119.60.168 tcp

Files

memory/2680-1-0x0000000000800000-0x0000000000900000-memory.dmp

memory/2680-3-0x0000000000400000-0x0000000000644000-memory.dmp

memory/2680-2-0x0000000000230000-0x0000000000261000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

C:\Users\Admin\AppData\Local\Temp\Tar21A.tmp

MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

MD5 f6e12f1d17fb3f0535e0a306f9649eea
SHA1 c7f71749c609187bb01c453d76ff4e84cd73991f
SHA256 156ef7f20ddf0225a5032336415622126b78946487354cc5bc9fbae65ae3fd41
SHA512 a9b34c773ba81f0ceb22a45771aad3984c5ec871b5be57d0ade20b76aededd19b8204957f3b272d61b0454905d926d8c63facbc61930fa30c4c92720fe4bba21

memory/2680-131-0x0000000000400000-0x0000000000644000-memory.dmp

memory/2680-132-0x0000000000400000-0x0000000000644000-memory.dmp

memory/2680-133-0x0000000000800000-0x0000000000900000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 11:28

Reported

2024-04-02 11:31

Platform

win10v2004-20240226-en

Max time kernel

93s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Vidar

stealer vidar

Processes

C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe

"C:\Users\Admin\AppData\Local\Temp\f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4756 -ip 4756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 2264

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 steamcommunity.com udp
GB 104.82.234.109:443 steamcommunity.com tcp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 109.234.82.104.in-addr.arpa udp
DE 168.119.60.168:443 168.119.60.168 tcp
US 8.8.8.8:53 168.60.119.168.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
DE 168.119.60.168:443 168.119.60.168 tcp
DE 168.119.60.168:443 168.119.60.168 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
DE 168.119.60.168:443 168.119.60.168 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4756-1-0x00000000008A0000-0x00000000009A0000-memory.dmp

memory/4756-2-0x0000000000820000-0x0000000000851000-memory.dmp

memory/4756-3-0x0000000000400000-0x0000000000644000-memory.dmp

memory/4756-10-0x0000000000400000-0x0000000000644000-memory.dmp