Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-ps9v7abf91
Target eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e
SHA256 eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e
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

eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e

Threat Level: Known bad

The file eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Vidar

Detect Vidar Stealer

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

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-08 12:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 12:36

Reported

2024-06-08 12:39

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.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\kat981.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 3540 set thread context of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.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\kat981.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat981.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat981.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp
PID 3540 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat981.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe

"C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe"

C:\Users\Admin\AppData\Local\Temp\kat981.tmp

C:\Users\Admin\AppData\Local\Temp\kat981.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=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
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 8.8.8.8:53 133.32.126.40.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
US 8.8.8.8:53 95.221.229.192.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
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp

Files

memory/3540-0-0x0000000002390000-0x0000000002391000-memory.dmp

memory/3540-1-0x00000000041C0000-0x0000000004323000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat981.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4664-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4664-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3540-9-0x0000000000400000-0x00000000005EE000-memory.dmp

memory/4664-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4664-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4664-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4664-26-0x000000001DCB0000-0x000000001DF0F000-memory.dmp

memory/4664-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4664-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 12:36

Reported

2024-06-08 12:39

Platform

win11-20240508-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.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\kat6C66.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 3716 set thread context of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.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\kat6C66.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp
PID 3716 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe

"C:\Users\Admin\AppData\Local\Temp\eebe14cb9bd494c1d7ac7f0668db9882d8251b6ec302569777a3492e65b1198e.exe"

C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp

C:\Users\Admin\AppData\Local\Temp\kat6C66.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 83.210.23.2.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
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 52.111.229.19:443 tcp

Files

memory/3716-0-0x0000000002480000-0x0000000002481000-memory.dmp

memory/3716-1-0x00000000041B0000-0x0000000004313000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6C66.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3716-9-0x0000000000400000-0x00000000005EE000-memory.dmp

memory/2584-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2584-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2584-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2584-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2584-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2584-27-0x00000000260E0000-0x000000002633F000-memory.dmp

memory/2584-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2584-43-0x0000000000400000-0x0000000000648000-memory.dmp