Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-dmstyagh98
Target 2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70
SHA256 2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70
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

2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70

Threat Level: Known bad

The file 2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Detect Vidar Stealer

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

2024-06-08 03:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 03:07

Reported

2024-06-08 03:10

Platform

win10v2004-20240508-en

Max time kernel

125s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.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\katE465.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 2316 set thread context of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.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\katE465.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\katE465.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\katE465.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp
PID 2316 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\katE465.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe

"C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe"

C:\Users\Admin\AppData\Local\Temp\katE465.tmp

C:\Users\Admin\AppData\Local\Temp\katE465.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 --field-trial-handle=1308,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=1716 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.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 36.249.124.192.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
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
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp

Files

memory/2316-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/2316-1-0x0000000002B10000-0x0000000002C73000-memory.dmp

memory/2384-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2384-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2384-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2316-10-0x0000000000400000-0x000000000067A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\katE465.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2384-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2384-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2384-25-0x0000000019380000-0x00000000195DF000-memory.dmp

memory/2384-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2384-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 03:07

Reported

2024-06-08 03:10

Platform

win11-20240426-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.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\kat48FF.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 4908 set thread context of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.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\kat48FF.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp
PID 4908 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe

"C:\Users\Admin\AppData\Local\Temp\2c7eda5a229c0e17c242416047329cc854c52ac49cda8a5379528800f09e0e70.exe"

C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp

C:\Users\Admin\AppData\Local\Temp\kat48FF.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
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/4908-0-0x00000000025E0000-0x00000000025E1000-memory.dmp

memory/4908-2-0x0000000004100000-0x0000000004263000-memory.dmp

memory/2328-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2328-8-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat48FF.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4908-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/2328-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2328-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2328-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2328-18-0x0000000019350000-0x00000000195AF000-memory.dmp

memory/2328-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2328-34-0x0000000000400000-0x0000000000648000-memory.dmp