Malware Analysis Report

2024-11-16 13:44

Sample ID 240607-y1bg2adf55
Target 0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920
SHA256 0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920
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

0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920

Threat Level: Known bad

The file 0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Vidar

Detect Vidar Stealer

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 behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 20:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 20:14

Reported

2024-06-07 20:17

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.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\kat4D64.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 4616 set thread context of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.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\kat4D64.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp
PID 4616 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe

"C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe"

C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp

C:\Users\Admin\AppData\Local\Temp\kat4D64.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.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 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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
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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/4616-0-0x00000000022E0000-0x00000000022E1000-memory.dmp

memory/4616-1-0x0000000002A50000-0x0000000002BB3000-memory.dmp

memory/1900-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1900-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4616-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1900-9-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4D64.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1900-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1900-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1900-17-0x000000001DB90000-0x000000001DDEF000-memory.dmp

memory/1900-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1900-32-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 20:14

Reported

2024-06-07 20:17

Platform

win11-20240508-en

Max time kernel

89s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.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\kat51F8.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 3516 set thread context of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.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\kat51F8.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp
PID 3516 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe

"C:\Users\Admin\AppData\Local\Temp\0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920.exe"

C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp

C:\Users\Admin\AppData\Local\Temp\kat51F8.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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

Files

memory/3516-0-0x0000000002510000-0x0000000002511000-memory.dmp

memory/3516-2-0x0000000002D50000-0x0000000002EB3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat51F8.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/400-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/400-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3516-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/400-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/400-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/400-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/400-28-0x000000001DCB0000-0x000000001DF0F000-memory.dmp

memory/400-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/400-43-0x0000000000400000-0x0000000000648000-memory.dmp