Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-c3y58afg7x
Target d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27
SHA256 d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27
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

d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27

Threat Level: Known bad

The file d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

Vidar

Downloads MZ/PE file

Reads user/profile data of web browsers

Executes dropped EXE

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-08 02:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 02:36

Reported

2024-06-08 02:39

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.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

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\kat471B.tmp N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2124 set thread context of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp

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\kat471B.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat471B.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat471B.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp
PID 2124 wrote to memory of 760 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat471B.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe

"C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe"

C:\Users\Admin\AppData\Local\Temp\kat471B.tmp

C:\Users\Admin\AppData\Local\Temp\kat471B.tmp

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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
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 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.167.79.40.in-addr.arpa udp

Files

memory/2124-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/2124-1-0x0000000002A30000-0x0000000002B93000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat471B.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/760-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2124-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/760-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/760-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/760-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/760-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/760-27-0x00000000283F0000-0x000000002864F000-memory.dmp

memory/760-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/760-43-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 02:36

Reported

2024-06-08 02:39

Platform

win11-20240508-en

Max time kernel

90s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.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

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\kat6A91.tmp N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3124 set thread context of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp

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\kat6A91.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp
PID 3124 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe

"C:\Users\Admin\AppData\Local\Temp\d52e22c30bd6ee6abae6a04bde6de4ca64562f87fa1e2e44efd6e429ae998d27.exe"

C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp

C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 52.111.229.43:443 tcp

Files

memory/3124-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/3124-1-0x0000000002BD0000-0x0000000002D33000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6A91.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2680-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2680-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2680-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3124-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/2680-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2680-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2680-27-0x0000000026090000-0x00000000262EF000-memory.dmp

memory/2680-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2680-43-0x0000000000400000-0x0000000000648000-memory.dmp