Malware Analysis Report

2024-11-16 13:51

Sample ID 240628-jwmbeayfja
Target 9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6
SHA256 9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6
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

9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6

Threat Level: Known bad

The file 9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6 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

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 08:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 08:01

Reported

2024-06-28 08:03

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.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\kat4323.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 3216 set thread context of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.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\kat4323.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat4323.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp
PID 3216 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat4323.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe

"C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe"

C:\Users\Admin\AppData\Local\Temp\kat4323.tmp

C:\Users\Admin\AppData\Local\Temp\kat4323.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.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 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
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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

memory/3216-0-0x0000000002400000-0x0000000002401000-memory.dmp

memory/3216-2-0x0000000002880000-0x0000000002990000-memory.dmp

memory/4152-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4152-8-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4323.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4152-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3216-10-0x0000000000400000-0x000000000058E000-memory.dmp

memory/4152-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4152-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4152-25-0x0000000022650000-0x00000000228AF000-memory.dmp

memory/4152-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4152-34-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 08:01

Reported

2024-06-28 08:03

Platform

win11-20240611-en

Max time kernel

90s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.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\kat706D.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 4668 set thread context of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.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\kat706D.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat706D.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp
PID 4668 wrote to memory of 3564 N/A C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe C:\Users\Admin\AppData\Local\Temp\kat706D.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe

"C:\Users\Admin\AppData\Local\Temp\9e0e3c424a4d69567a36fcf3c26ed7145fdd18fe35178cf168de1df54a823cc6.exe"

C:\Users\Admin\AppData\Local\Temp\kat706D.tmp

C:\Users\Admin\AppData\Local\Temp\kat706D.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 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 36.249.124.192.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
US 20.42.73.27:443 tcp

Files

memory/4668-0-0x00000000023F0000-0x00000000023F1000-memory.dmp

memory/4668-2-0x0000000003FA0000-0x00000000040B0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat706D.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3564-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3564-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3564-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4668-9-0x0000000000400000-0x000000000058E000-memory.dmp

memory/3564-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3564-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3564-28-0x000000002D120000-0x000000002D37F000-memory.dmp

memory/3564-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3564-43-0x0000000000400000-0x0000000000648000-memory.dmp