Malware Analysis Report

2025-01-03 04:55

Sample ID 220420-t9cn8sefcr
Target 52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe
SHA256 52338add561f1e396b0f8377e77bae2a05bcb8d7cc19548dbf9ff8cf0b57cc1f
Tags
oski infostealer spyware stealer suricata
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

52338add561f1e396b0f8377e77bae2a05bcb8d7cc19548dbf9ff8cf0b57cc1f

Threat Level: Known bad

The file 52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe was found to be: Known bad.

Malicious Activity Summary

oski infostealer spyware stealer suricata

Oski family

Oski

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

Reads user/profile data of web browsers

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-20 16:45

Signatures

Oski family

oski

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-20 16:45

Reported

2022-04-20 16:47

Platform

win7-20220414-en

Max time kernel

43s

Max time network

78s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe"

Signatures

Oski

infostealer oski

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

suricata

Reads user/profile data of web browsers

spyware stealer

Processes

C:\Users\Admin\AppData\Local\Temp\52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe

"C:\Users\Admin\AppData\Local\Temp\52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 780

Network

Country Destination Domain Proto
LT 62.77.159.212:80 62.77.159.212 tcp

Files

memory/1992-54-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

memory/1340-55-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-20 16:45

Reported

2022-04-20 16:47

Platform

win10v2004-20220414-en

Max time kernel

132s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe"

Signatures

Oski

infostealer oski

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

suricata

Reads user/profile data of web browsers

spyware stealer

Processes

C:\Users\Admin\AppData\Local\Temp\52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe

"C:\Users\Admin\AppData\Local\Temp\52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4760 -ip 4760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 1300

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 8.253.208.112:80 tcp
LT 62.77.159.212:80 62.77.159.212 tcp
FR 2.18.109.224:443 tcp
US 104.18.24.243:80 tcp
IE 13.69.239.74:443 tcp
US 8.253.208.112:80 tcp
US 8.253.208.112:80 tcp
US 8.253.208.112:80 tcp

Files

N/A