Malware Analysis Report

2024-11-16 13:48

Sample ID 240629-er7dkazhqf
Target d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251
SHA256 d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251
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

d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251

Threat Level: Known bad

The file d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Vidar

Detect Vidar Stealer

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

2024-06-29 04:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 04:11

Reported

2024-06-29 04:14

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.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\kat3CDA.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 4636 set thread context of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.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\kat3CDA.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp
PID 4636 wrote to memory of 4336 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe

"C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe"

C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp

C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 22.249.124.192.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
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
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 77.239.69.13.in-addr.arpa udp

Files

memory/4636-0-0x0000000002290000-0x0000000002291000-memory.dmp

memory/4636-2-0x0000000002970000-0x0000000002A80000-memory.dmp

memory/4336-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4636-10-0x0000000000400000-0x0000000000635000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3CDA.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4336-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4336-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4336-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4336-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4336-25-0x00000000200E0000-0x000000002033F000-memory.dmp

memory/4336-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4336-34-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 04:11

Reported

2024-06-29 04:14

Platform

win11-20240419-en

Max time kernel

90s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.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\kat6050.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 2472 set thread context of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.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\kat6050.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat6050.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp
PID 2472 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe C:\Users\Admin\AppData\Local\Temp\kat6050.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe

"C:\Users\Admin\AppData\Local\Temp\d47c7760fb2635eb54e98081a74beb7f087127eb9e80d77c0cd36b980b88e251.exe"

C:\Users\Admin\AppData\Local\Temp\kat6050.tmp

C:\Users\Admin\AppData\Local\Temp\kat6050.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.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/2472-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/2472-1-0x0000000004020000-0x0000000004130000-memory.dmp

memory/1412-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1412-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2472-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/1412-10-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6050.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1412-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1412-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1412-27-0x000000002D1A0000-0x000000002D3FF000-memory.dmp

memory/1412-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1412-43-0x0000000000400000-0x0000000000648000-memory.dmp