Malware Analysis Report

2024-11-16 13:48

Sample ID 240628-tm9epawdre
Target de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96
SHA256 de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96
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

de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96

Threat Level: Known bad

The file de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

Vidar

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

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 16:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 16:11

Reported

2024-06-28 16:14

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.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
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\katE7FE.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 1800 set thread context of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp
PID 1800 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe

"C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe"

C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp

C:\Users\Admin\AppData\Local\Temp\katE7FE.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=1036 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 22.249.124.192.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 95.12.20.2.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 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.178.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/1800-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/1800-1-0x0000000004160000-0x0000000004270000-memory.dmp

memory/4492-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\katE7FE.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1800-8-0x0000000000400000-0x0000000000635000-memory.dmp

memory/4492-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4492-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4492-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4492-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4492-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4492-26-0x0000000022650000-0x00000000228AF000-memory.dmp

memory/4492-41-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4492-42-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 16:11

Reported

2024-06-28 16:14

Platform

win11-20240419-en

Max time kernel

90s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.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\kat3374.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 2784 set thread context of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat3374.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat3374.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp
PID 2784 wrote to memory of 3668 N/A C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe C:\Users\Admin\AppData\Local\Temp\kat3374.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe

"C:\Users\Admin\AppData\Local\Temp\de0161404117d89ffa4f71f92c43f359f4135027f11649b7f7bafd1fd10c3d96.exe"

C:\Users\Admin\AppData\Local\Temp\kat3374.tmp

C:\Users\Admin\AppData\Local\Temp\kat3374.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 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp

Files

memory/2784-0-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/2784-1-0x00000000041B0000-0x00000000042C0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3374.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3668-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2784-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/3668-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3668-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3668-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3668-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3668-27-0x000000002F700000-0x000000002F95F000-memory.dmp

memory/3668-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3668-43-0x0000000000400000-0x0000000000648000-memory.dmp