Malware Analysis Report

2024-09-11 16:29

Sample ID 240614-g47k7syblf
Target c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4
SHA256 c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4
Tags
stealc vidar discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4

Threat Level: Known bad

The file c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Vidar

Stealc

Downloads MZ/PE file

Checks computer location settings

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Delays execution with timeout.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-14 06:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 06:22

Reported

2024-06-14 06:25

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

58s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe"

Signatures

Detect Vidar Stealer

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

Stealc

stealer stealc

Vidar

stealer vidar

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A

Reads data files stored by FTP clients

spyware stealer

Checks installed software on the system

discovery

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:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4544 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe C:\Windows\SysWOW64\cmd.exe
PID 4544 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe C:\Windows\SysWOW64\cmd.exe
PID 4544 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe C:\Windows\SysWOW64\cmd.exe
PID 1440 wrote to memory of 552 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1440 wrote to memory of 552 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1440 wrote to memory of 552 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe

"C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe" & rd /s /q "C:\ProgramData\EHCBAAAFHJDH" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
US 8.8.8.8:53 steamcommunity.com udp

Files

memory/4544-1-0x000000000BF90000-0x000000000BF91000-memory.dmp

memory/4544-0-0x0000000003A10000-0x0000000003A11000-memory.dmp

memory/4544-3-0x000000000BFD0000-0x000000000BFD1000-memory.dmp

memory/4544-7-0x0000000000572000-0x00000000009B7000-memory.dmp

memory/4544-5-0x000000000BFF0000-0x000000000BFF1000-memory.dmp

memory/4544-4-0x000000000BFE0000-0x000000000BFE1000-memory.dmp

memory/4544-6-0x0000000000330000-0x000000000115D000-memory.dmp

memory/4544-2-0x000000000BFC0000-0x000000000BFC1000-memory.dmp

memory/4544-10-0x0000000000572000-0x00000000009B7000-memory.dmp

memory/4544-11-0x0000000000572000-0x00000000009B7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 06:22

Reported

2024-06-14 06:25

Platform

win11-20240611-en

Max time kernel

89s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe"

Signatures

Detect Vidar Stealer

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

Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email 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

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:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe

"C:\Users\Admin\AppData\Local\Temp\c1bce25d24862af99673bfd1f77ffa1a48a87191bea825754ac4c7be58cd7da4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
US 8.8.8.8:53 58.251.201.195.in-addr.arpa udp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 tcp
DE 195.201.251.58:9000 tcp
DE 195.201.251.58:9000 tcp
DE 195.201.251.58:9000 tcp
DE 195.201.251.58:9000 tcp
DE 195.201.251.58:9000 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
DE 195.201.251.58:9000 195.201.251.58 tcp
RU 5.42.65.116:80 tcp

Files

memory/224-1-0x0000000003BD0000-0x0000000003BD1000-memory.dmp

memory/224-0-0x0000000003BC0000-0x0000000003BC1000-memory.dmp

memory/224-7-0x0000000000632000-0x0000000000A77000-memory.dmp

memory/224-5-0x000000000A8F0000-0x000000000A8F1000-memory.dmp

memory/224-4-0x000000000A8E0000-0x000000000A8E1000-memory.dmp

memory/224-3-0x000000000A8D0000-0x000000000A8D1000-memory.dmp

memory/224-2-0x0000000003C00000-0x0000000003C01000-memory.dmp

memory/224-6-0x00000000003F0000-0x000000000121D000-memory.dmp

memory/224-13-0x000000001C7F0000-0x000000001CA4F000-memory.dmp

memory/224-53-0x0000000000632000-0x0000000000A77000-memory.dmp