Malware Analysis Report

2024-11-16 13:48

Sample ID 240629-cvrq6ssbpm
Target aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3
SHA256 aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3
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: 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

aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3

Threat Level: Known bad

The file aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3 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

Reads user/profile data of web browsers

Checks computer location settings

Executes dropped EXE

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Delays execution with timeout.exe

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-29 02:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 02:24

Reported

2024-06-29 02:26

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp 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 2220 set thread context of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp 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 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 2220 wrote to memory of 848 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp
PID 848 wrote to memory of 4204 N/A C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp C:\Windows\SysWOW64\cmd.exe
PID 848 wrote to memory of 4204 N/A C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp C:\Windows\SysWOW64\cmd.exe
PID 848 wrote to memory of 4204 N/A C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp C:\Windows\SysWOW64\cmd.exe
PID 4204 wrote to memory of 4712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4204 wrote to memory of 4712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4204 wrote to memory of 4712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe

"C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe"

C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp

C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp" & rd /s /q "C:\ProgramData\BFIDGDAKFHIE" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
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
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 36.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 tea.arpdabl.org udp
DE 207.180.253.128:80 tea.arpdabl.org tcp
US 8.8.8.8:53 128.253.180.207.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp

Files

memory/2220-0-0x00000000023B0000-0x00000000023B1000-memory.dmp

memory/2220-1-0x0000000004130000-0x0000000004240000-memory.dmp

memory/848-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2220-9-0x0000000000400000-0x0000000000635000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat52B4.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/848-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-25-0x0000000022810000-0x0000000022A6F000-memory.dmp

memory/848-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-41-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-57-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-58-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-69-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-70-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-71-0x0000000000400000-0x0000000000648000-memory.dmp

memory/848-74-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 02:24

Reported

2024-06-29 02:26

Platform

win11-20240419-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.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
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Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp 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 3932 set thread context of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp 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 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 3932 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp
PID 5028 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp C:\Windows\SysWOW64\cmd.exe
PID 5028 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp C:\Windows\SysWOW64\cmd.exe
PID 5028 wrote to memory of 3176 N/A C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp C:\Windows\SysWOW64\cmd.exe
PID 3176 wrote to memory of 2320 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 3176 wrote to memory of 2320 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 3176 wrote to memory of 2320 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe

"C:\Users\Admin\AppData\Local\Temp\aadb0bfce0f8a35fe059f727632b7cb015ebdaf47868378cb4250c46ea93d2f3.exe"

C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp

C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp" & rd /s /q "C:\ProgramData\GHDAAKJEGCFC" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 207.180.253.128:80 tea.arpdabl.org tcp

Files

memory/3932-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/3932-1-0x00000000040D0000-0x00000000041E0000-memory.dmp

memory/5028-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-8-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4F97.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/5028-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3932-10-0x0000000000400000-0x0000000000635000-memory.dmp

memory/5028-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-27-0x0000000024DF0000-0x000000002504F000-memory.dmp

memory/5028-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-43-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-59-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-60-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-71-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-72-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-75-0x0000000000400000-0x0000000000648000-memory.dmp