Malware Analysis Report

2024-11-16 13:43

Sample ID 240607-mjvnsseg9y
Target eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11
SHA256 eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11
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

eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11

Threat Level: Known bad

The file eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Vidar

Detect Vidar Stealer

Stealc

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 10:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 10:30

Reported

2024-06-07 10:32

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.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\kat3469.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 3252 set thread context of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.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\kat3469.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3469.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3469.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp
PID 3252 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat3469.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe

"C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe"

C:\Users\Admin\AppData\Local\Temp\kat3469.tmp

C:\Users\Admin\AppData\Local\Temp\kat3469.tmp

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1032 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
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
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 22.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 18.190.202.116.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
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.212.234:443 chromewebstore.googleapis.com tcp
GB 216.58.212.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 udp

Files

memory/3252-0-0x0000000002410000-0x0000000002411000-memory.dmp

memory/3252-1-0x0000000004240000-0x00000000043A3000-memory.dmp

memory/464-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3469.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3252-8-0x0000000000400000-0x000000000067A000-memory.dmp

memory/464-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/464-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/464-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/464-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/464-25-0x000000001DBE0000-0x000000001DE3F000-memory.dmp

memory/464-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/464-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 10:30

Reported

2024-06-07 10:32

Platform

win11-20240508-en

Max time kernel

92s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.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\kat9059.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 1188 set thread context of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.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\kat9059.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat9059.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat9059.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp
PID 1188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe C:\Users\Admin\AppData\Local\Temp\kat9059.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe

"C:\Users\Admin\AppData\Local\Temp\eec0f9868cf9cd23c12b5ff364c98aa30da23802ba3c57c0ef96cd3dfb3fef11.exe"

C:\Users\Admin\AppData\Local\Temp\kat9059.tmp

C:\Users\Admin\AppData\Local\Temp\kat9059.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 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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/1188-0-0x0000000000850000-0x0000000000851000-memory.dmp

memory/1188-2-0x00000000040B0000-0x0000000004213000-memory.dmp

memory/3036-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat9059.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3036-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1188-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/3036-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3036-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3036-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3036-18-0x000000001B810000-0x000000001BA6F000-memory.dmp

memory/3036-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3036-34-0x0000000000400000-0x0000000000648000-memory.dmp