Malware Analysis Report

2024-11-16 13:44

Sample ID 240607-c13qmagc2v
Target f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95
SHA256 f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95

Threat Level: Known bad

The file f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Vidar

Detect Vidar Stealer

Stealc

Downloads MZ/PE file

Executes dropped EXE

Reads user/profile data of web browsers

Loads dropped DLL

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Checks processor information in registry

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 02:33

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 02:33

Reported

2024-06-07 02:38

Platform

win10-20240404-en

Max time kernel

194s

Max time network

298s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.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\kat7203.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 920 set thread context of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.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\kat7203.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7203.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7203.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp
PID 920 wrote to memory of 600 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat7203.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe

"C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe"

C:\Users\Admin\AppData\Local\Temp\kat7203.tmp

C:\Users\Admin\AppData\Local\Temp\kat7203.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 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 245.158.13.49.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 153.141.79.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/920-0-0x00000000009E0000-0x00000000009E1000-memory.dmp

memory/920-2-0x0000000003F80000-0x00000000040CC000-memory.dmp

memory/600-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/600-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/600-9-0x0000000000400000-0x0000000000649000-memory.dmp

memory/920-10-0x0000000000400000-0x0000000000663000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat7203.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/600-16-0x0000000000400000-0x0000000000649000-memory.dmp

memory/600-17-0x0000000000400000-0x0000000000649000-memory.dmp

memory/600-19-0x000000001B680000-0x000000001B8DF000-memory.dmp

memory/600-34-0x0000000000400000-0x0000000000649000-memory.dmp

memory/600-35-0x0000000000400000-0x0000000000649000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 02:33

Reported

2024-06-07 02:38

Platform

win7-20240221-en

Max time kernel

122s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.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

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\kat2127.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 2524 set thread context of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.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\kat2127.tmp N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 C:\Users\Admin\AppData\Local\Temp\kat2127.tmp N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 C:\Users\Admin\AppData\Local\Temp\kat2127.tmp N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 C:\Users\Admin\AppData\Local\Temp\kat2127.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp
PID 2524 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe C:\Users\Admin\AppData\Local\Temp\kat2127.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe

"C:\Users\Admin\AppData\Local\Temp\f9095f60df45a7db57e0d5378f1418d0086ae706cbf6a52818c52067f54b6c95.exe"

C:\Users\Admin\AppData\Local\Temp\kat2127.tmp

C:\Users\Admin\AppData\Local\Temp\kat2127.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
NL 149.154.167.99:443 t.me tcp
NL 149.154.167.99:443 t.me tcp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 steamcommunity.com udp
BE 104.68.92.92:443 steamcommunity.com tcp
FI 65.21.109.161:443 65.21.109.161 tcp
FI 65.21.109.161:443 65.21.109.161 tcp
FI 65.21.109.161:443 65.21.109.161 tcp
FI 65.21.109.161:443 65.21.109.161 tcp
FI 65.21.109.161:443 65.21.109.161 tcp
FI 65.21.109.161:443 65.21.109.161 tcp
FI 65.21.109.161:443 65.21.109.161 tcp
FI 65.21.109.161:443 65.21.109.161 tcp

Files

memory/2524-0-0x0000000000220000-0x0000000000221000-memory.dmp

\Users\Admin\AppData\Local\Temp\kat2127.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2020-17-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-24-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-23-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2524-20-0x0000000000400000-0x0000000000663000-memory.dmp

memory/2020-15-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-13-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-12-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-9-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-19-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2524-4-0x0000000003490000-0x00000000035DC000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar260E.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2020-177-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-198-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-220-0x000000002B180000-0x000000002B3DF000-memory.dmp

memory/2020-235-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2020-256-0x0000000000400000-0x0000000000649000-memory.dmp