Malware Analysis Report

2024-11-30 07:04

Sample ID 240601-hpzgqaea49
Target 7098e086de135888cbe91aa99082d65d50a91eadc67c860a81eae3035161a98f
SHA256 7098e086de135888cbe91aa99082d65d50a91eadc67c860a81eae3035161a98f
Tags
stealc vidar discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7098e086de135888cbe91aa99082d65d50a91eadc67c860a81eae3035161a98f

Threat Level: Known bad

The file 7098e086de135888cbe91aa99082d65d50a91eadc67c860a81eae3035161a98f was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Vidar

Stealc

Downloads MZ/PE file

Reads data files stored by FTP clients

Checks computer location settings

Reads user/profile data of web browsers

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

Checks processor information in registry

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-01 06:55

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 06:55

Reported

2024-06-01 06:57

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
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Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4076 set thread context of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4076 wrote to memory of 3088 N/A C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3088 wrote to memory of 4816 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\cmd.exe
PID 3088 wrote to memory of 4816 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\cmd.exe
PID 3088 wrote to memory of 4816 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\cmd.exe
PID 4816 wrote to memory of 1896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4816 wrote to memory of 1896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4816 wrote to memory of 1896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe

"C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAKJDHIEBFII" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 tcp
US 8.8.8.8:53 132.102.69.159.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 tcp
DE 159.69.102.132:5432 tcp
DE 159.69.102.132:5432 tcp
DE 159.69.102.132:5432 tcp
DE 159.69.102.132:5432 tcp
DE 159.69.102.132:5432 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
DE 159.69.102.132:5432 159.69.102.132 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
DE 159.69.102.132:5432 159.69.102.132 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 16.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4076-0-0x0000000001510000-0x0000000001511000-memory.dmp

memory/4076-2-0x0000000001510000-0x0000000001511000-memory.dmp

memory/3088-1-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-6-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-9-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-10-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-12-0x000000001B240000-0x000000001B49F000-memory.dmp

memory/3088-27-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-28-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-44-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-45-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-59-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3088-60-0x0000000000400000-0x0000000000649000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 06:55

Reported

2024-06-01 06:57

Platform

win7-20240221-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe

"C:\Users\Admin\AppData\Local\Temp\5f2104232bfacfbad61fc2f509758069cbeab12f5082f7927659ddbccbcce828.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 72

Network

N/A

Files

memory/2860-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2860-1-0x0000000000190000-0x00000000001EB000-memory.dmp