Malware Analysis Report

2024-11-16 13:44

Sample ID 240607-zbjb1scg4v
Target c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d
SHA256 c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d
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

c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d

Threat Level: Known bad

The file c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d 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

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 20:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 20:32

Reported

2024-06-07 20:35

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.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\kat4F87.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 4708 set thread context of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.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\kat4F87.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp
PID 4708 wrote to memory of 1460 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe

"C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe"

C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp

C:\Users\Admin\AppData\Local\Temp\kat4F87.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 18.190.202.116.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
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 140.32.126.40.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
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/4708-0-0x00000000023B0000-0x00000000023B1000-memory.dmp

memory/4708-1-0x00000000040C0000-0x0000000004223000-memory.dmp

memory/1460-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4F87.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1460-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1460-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4708-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1460-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1460-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1460-16-0x000000001DBE0000-0x000000001DE3F000-memory.dmp

memory/1460-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1460-32-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 20:32

Reported

2024-06-07 20:35

Platform

win11-20240426-en

Max time kernel

90s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.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\kat7D0F.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 532 set thread context of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.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\kat7D0F.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp
PID 532 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe

"C:\Users\Admin\AppData\Local\Temp\c12a0011295162c1c7ac63d2044f9fb2b4ae2b830430b81baeea7fa028803a9d.exe"

C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp

C:\Users\Admin\AppData\Local\Temp\kat7D0F.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 8.8.8.8:53 101.58.20.217.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
DE 116.202.190.18:5432 116.202.190.18 tcp
NL 52.111.243.30:443 tcp

Files

memory/532-0-0x00000000023F0000-0x00000000023F1000-memory.dmp

memory/532-2-0x0000000004100000-0x0000000004263000-memory.dmp

memory/1912-8-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat7D0F.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1912-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1912-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/532-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1912-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1912-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1912-28-0x0000000026080000-0x00000000262DF000-memory.dmp

memory/1912-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1912-43-0x0000000000400000-0x0000000000648000-memory.dmp