Malware Analysis Report

2024-11-16 13:49

Sample ID 240629-dhl6lasfqn
Target 9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec
SHA256 9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec
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

9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec

Threat Level: Known bad

The file 9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Vidar

Stealc

Downloads MZ/PE file

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Checks computer location settings

Executes dropped EXE

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Delays execution with timeout.exe

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-29 03:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 03:00

Reported

2024-06-29 03:03

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.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
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
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
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

Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4DD2.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 632 set thread context of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.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\kat4DD2.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat4DD2.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 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 632 wrote to memory of 3116 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp
PID 3116 wrote to memory of 5116 N/A C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp C:\Windows\SysWOW64\cmd.exe
PID 3116 wrote to memory of 5116 N/A C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp C:\Windows\SysWOW64\cmd.exe
PID 3116 wrote to memory of 5116 N/A C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp C:\Windows\SysWOW64\cmd.exe
PID 5116 wrote to memory of 4480 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 5116 wrote to memory of 4480 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 5116 wrote to memory of 4480 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe

"C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe"

C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp

C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp" & rd /s /q "C:\ProgramData\CAEHDBAAECBF" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.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
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
US 8.8.8.8:53 217.106.137.52.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
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 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/632-0-0x00000000024B0000-0x00000000024B1000-memory.dmp

memory/632-1-0x0000000002930000-0x0000000002A40000-memory.dmp

memory/3116-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4DD2.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/632-8-0x0000000000400000-0x0000000000635000-memory.dmp

memory/3116-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-25-0x0000000022690000-0x00000000228EF000-memory.dmp

memory/3116-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-34-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-43-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-59-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-60-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-67-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-72-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-73-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3116-74-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 03:00

Reported

2024-06-29 03:03

Platform

win11-20240611-en

Max time kernel

90s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.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
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
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
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

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\kat51D9.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 1420 set thread context of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp

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\kat51D9.tmp N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat51D9.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 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 1420 wrote to memory of 576 N/A C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp
PID 576 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp C:\Windows\SysWOW64\cmd.exe
PID 576 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp C:\Windows\SysWOW64\cmd.exe
PID 576 wrote to memory of 4132 N/A C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp C:\Windows\SysWOW64\cmd.exe
PID 4132 wrote to memory of 2520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4132 wrote to memory of 2520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4132 wrote to memory of 2520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe

"C:\Users\Admin\AppData\Local\Temp\9f80d8dc87ee7c8708bbaec571f5c73333565987b53a14cc0d80b5ab23b76fec.exe"

C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp

C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp" & rd /s /q "C:\ProgramData\KJDGDGDHDGDB" & 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
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.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 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/1420-0-0x0000000002490000-0x0000000002491000-memory.dmp

memory/1420-1-0x00000000040B0000-0x00000000041C0000-memory.dmp

memory/576-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat51D9.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1420-10-0x0000000000400000-0x0000000000635000-memory.dmp

memory/576-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-27-0x000000002F740000-0x000000002F99F000-memory.dmp

memory/576-35-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-36-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-44-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-45-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-61-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-62-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-73-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-74-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-75-0x0000000000400000-0x0000000000648000-memory.dmp

memory/576-76-0x0000000000400000-0x0000000000648000-memory.dmp