Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-ndpe9sba9w
Target d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1
SHA256 d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1
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

d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1

Threat Level: Known bad

The file d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Vidar

Stealc

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

2024-06-08 11:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 11:17

Reported

2024-06-08 11:19

Platform

win10v2004-20240426-en

Max time kernel

135s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.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\kat74E2.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 4820 set thread context of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.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\kat74E2.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp
PID 4820 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe

"C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe"

C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp

C:\Users\Admin\AppData\Local\Temp\kat74E2.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
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
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 8.8.8.8:53 140.32.126.40.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
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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 28.73.42.20.in-addr.arpa udp

Files

memory/4820-0-0x0000000002440000-0x0000000002441000-memory.dmp

memory/4820-2-0x0000000002A50000-0x0000000002BB3000-memory.dmp

memory/2948-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat74E2.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2948-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2948-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4820-10-0x0000000000400000-0x00000000005EE000-memory.dmp

memory/2948-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2948-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2948-27-0x0000000025FC0000-0x000000002621F000-memory.dmp

memory/2948-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2948-43-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 11:17

Reported

2024-06-08 11:19

Platform

win11-20240419-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.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\kat753F.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 3348 set thread context of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.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\kat753F.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat753F.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat753F.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp
PID 3348 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe C:\Users\Admin\AppData\Local\Temp\kat753F.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe

"C:\Users\Admin\AppData\Local\Temp\d4ccc80453b6476d0ed11d67d90a8444e826facb1b19f6c99a02f0dc817d8cd1.exe"

C:\Users\Admin\AppData\Local\Temp\kat753F.tmp

C:\Users\Admin\AppData\Local\Temp\kat753F.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 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
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/3348-0-0x0000000002320000-0x0000000002321000-memory.dmp

memory/3348-2-0x0000000002AB0000-0x0000000002C13000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat753F.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2564-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2564-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3348-10-0x0000000000400000-0x00000000005EE000-memory.dmp

memory/2564-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2564-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2564-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2564-18-0x0000000019390000-0x00000000195EF000-memory.dmp

memory/2564-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2564-34-0x0000000000400000-0x0000000000648000-memory.dmp