Malware Analysis Report

2024-11-16 13:49

Sample ID 240629-mpa7cayepn
Target 29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5
SHA256 29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5
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

29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5

Threat Level: Known bad

The file 29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Detect Vidar Stealer

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

2024-06-29 10:37

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 10:37

Reported

2024-06-29 10:40

Platform

win11-20240508-en

Max time kernel

146s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.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\kat688D.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 4764 set thread context of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.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\kat688D.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat688D.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp
PID 4764 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat688D.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe

"C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe"

C:\Users\Admin\AppData\Local\Temp\kat688D.tmp

C:\Users\Admin\AppData\Local\Temp\kat688D.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.249.124.192.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
DE 195.201.251.214:9000 195.201.251.214 tcp

Files

memory/4764-0-0x0000000002480000-0x0000000002481000-memory.dmp

memory/4764-1-0x0000000004010000-0x0000000004120000-memory.dmp

memory/2532-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat688D.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2532-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4764-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/2532-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2532-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2532-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2532-25-0x000000002D120000-0x000000002D37F000-memory.dmp

memory/2532-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2532-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 10:37

Reported

2024-06-29 10:40

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.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\kat3902.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 2520 set thread context of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.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\kat3902.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat3902.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp
PID 2520 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe C:\Users\Admin\AppData\Local\Temp\kat3902.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe

"C:\Users\Admin\AppData\Local\Temp\29702499734a401ad5eb721f148008295bc8acef4fb551830da8a2d6486a1bc5.exe"

C:\Users\Admin\AppData\Local\Temp\kat3902.tmp

C:\Users\Admin\AppData\Local\Temp\kat3902.tmp

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
BE 2.17.107.122:443 www.bing.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 122.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 36.249.124.192.in-addr.arpa udp
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
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2520-0-0x00000000007F0000-0x00000000007F1000-memory.dmp

memory/2520-1-0x0000000002A70000-0x0000000002B80000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3902.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1448-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1448-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1448-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2520-10-0x0000000000400000-0x0000000000635000-memory.dmp

memory/1448-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1448-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1448-25-0x0000000020210000-0x000000002046F000-memory.dmp

memory/1448-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1448-34-0x0000000000400000-0x0000000000648000-memory.dmp