Malware Analysis Report

2024-11-16 13:51

Sample ID 240628-gmcphaxbqk
Target 3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c
SHA256 3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c
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

3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c

Threat Level: Known bad

The file 3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

Vidar

Downloads MZ/PE file

Executes dropped EXE

Reads user/profile data of web browsers

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 05:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 05:54

Reported

2024-06-28 05:57

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.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\kat371D.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 2404 set thread context of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat371D.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat371D.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp
PID 2404 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat371D.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe

"C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe"

C:\Users\Admin\AppData\Local\Temp\kat371D.tmp

C:\Users\Admin\AppData\Local\Temp\kat371D.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
BE 23.41.178.106:443 www.bing.com tcp
BE 23.41.178.106:443 www.bing.com tcp
US 8.8.8.8:53 t.me udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 106.178.41.23.in-addr.arpa 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 22.249.124.192.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
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2404-0-0x0000000000840000-0x0000000000841000-memory.dmp

memory/2404-2-0x00000000029D0000-0x0000000002AE0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat371D.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4872-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2404-10-0x0000000000400000-0x000000000058E000-memory.dmp

memory/4872-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4872-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4872-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4872-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4872-25-0x00000000227C0000-0x0000000022A1F000-memory.dmp

memory/4872-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4872-34-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 05:54

Reported

2024-06-28 05:57

Platform

win11-20240611-en

Max time kernel

90s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.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\kat5786.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 232 set thread context of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat5786.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat5786.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp
PID 232 wrote to memory of 5080 N/A C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe C:\Users\Admin\AppData\Local\Temp\kat5786.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe

"C:\Users\Admin\AppData\Local\Temp\3e569cb7584f9fcfcca0c306e86354743aebc79897660aa91d51f6c8c9b2855c.exe"

C:\Users\Admin\AppData\Local\Temp\kat5786.tmp

C:\Users\Admin\AppData\Local\Temp\kat5786.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 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 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 36.249.124.192.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
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

Files

memory/232-0-0x00000000022E0000-0x00000000022E1000-memory.dmp

memory/232-1-0x0000000002A80000-0x0000000002B90000-memory.dmp

memory/5080-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5786.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/5080-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/232-10-0x0000000000400000-0x000000000058E000-memory.dmp

memory/5080-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5080-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5080-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5080-27-0x000000002D190000-0x000000002D3EF000-memory.dmp

memory/5080-35-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5080-36-0x0000000000400000-0x0000000000648000-memory.dmp