Malware Analysis Report

2025-01-03 04:58

Sample ID 220420-t7m27aaac4
Target 52338ADD561F1E396B0F8377E77BAE2A05BCB8D7CC195.exe
SHA256 52338add561f1e396b0f8377e77bae2a05bcb8d7cc19548dbf9ff8cf0b57cc1f
Tags
oski infostealer spyware stealer
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

Oski family

Oski

Reads user/profile data of web browsers

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-20 16:42

Signatures

Oski family

oski

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-20 16:42

Reported

2022-04-20 16:45

Platform

win7-20220414-en

Max time kernel

94s

Max time network

167s

Command Line

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

Signatures

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 1728 -s 780

Network

Country Destination Domain Proto
LT 62.77.159.212:80 62.77.159.212 tcp

Files

memory/1728-54-0x0000000076451000-0x0000000076453000-memory.dmp

memory/1132-55-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-20 16:42

Reported

2022-04-20 16:45

Platform

win10v2004-20220414-en

Max time kernel

176s

Max time network

205s

Command Line

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

Signatures

Oski

infostealer oski

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 428 -p 2728 -ip 2728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 1312

Network

Country Destination Domain Proto
US 52.242.97.97:443 tcp
LT 62.77.159.212:80 62.77.159.212 tcp
US 8.8.8.8:53 15.89.54.20.in-addr.arpa udp

Files

N/A