Malware Analysis Report

2024-11-16 13:48

Sample ID 240629-bnmm7szhqk
Target 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc
SHA256 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc
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

53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc

Threat Level: Known bad

The file 53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

Vidar

Downloads MZ/PE file

Reads data files stored by FTP clients

Checks computer location settings

Reads user/profile data of web browsers

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 behavior: EnumeratesProcesses

Delays execution with timeout.exe

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-29 01:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 01:17

Reported

2024-06-29 01:20

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
N/A N/A N/A N/A
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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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4C3B.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 1668 set thread context of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.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\kat4C3B.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat4C3B.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 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1668 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp
PID 1740 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp C:\Windows\SysWOW64\cmd.exe
PID 1740 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp C:\Windows\SysWOW64\cmd.exe
PID 1740 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp C:\Windows\SysWOW64\cmd.exe
PID 5012 wrote to memory of 5068 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 5012 wrote to memory of 5068 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 5012 wrote to memory of 5068 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe

"C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe"

C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp

C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp" & rd /s /q "C:\ProgramData\HCAEHJJKFCAA" & 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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.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 41.249.124.192.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 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
US 8.8.8.8:53 183.142.211.20.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 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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 95.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/1668-0-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1668-2-0x0000000004080000-0x0000000004190000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4C3B.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1740-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1668-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/1740-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-25-0x00000000200E0000-0x000000002033F000-memory.dmp

memory/1740-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-41-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-57-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-58-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-69-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-70-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1740-73-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 01:17

Reported

2024-06-29 01:20

Platform

win11-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.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
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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\kat72A0.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 2448 set thread context of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.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\kat72A0.tmp N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat72A0.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 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 2448 wrote to memory of 1384 N/A C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp
PID 1384 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp C:\Windows\SysWOW64\cmd.exe
PID 1384 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp C:\Windows\SysWOW64\cmd.exe
PID 1384 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp C:\Windows\SysWOW64\cmd.exe
PID 2500 wrote to memory of 1580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2500 wrote to memory of 1580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2500 wrote to memory of 1580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe

"C:\Users\Admin\AppData\Local\Temp\53133ce2d73710b58cd02589af7d3dd4fb78299fccac64d1126f55e91b4c22fc.exe"

C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp

C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp" & rd /s /q "C:\ProgramData\IJJDBAEHIJKJ" & 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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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/2448-0-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/2448-1-0x0000000002CD0000-0x0000000002DE0000-memory.dmp

memory/1384-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2448-10-0x0000000000400000-0x0000000000635000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat72A0.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1384-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-28-0x000000002F6A0000-0x000000002F8FF000-memory.dmp

memory/1384-35-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-36-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-44-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-45-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-61-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-62-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-73-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-74-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-75-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1384-76-0x0000000000400000-0x0000000000648000-memory.dmp