Malware Analysis Report

2024-10-18 21:03

Sample ID 230830-xd1mzahh58
Target ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe
SHA256 357c49ca6c5ce321fae8734313736081d156430a06ac06c1bf054167e509579a
Tags
oski infostealer 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

357c49ca6c5ce321fae8734313736081d156430a06ac06c1bf054167e509579a

Threat Level: Known bad

The file ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe was found to be: Known bad.

Malicious Activity Summary

oski infostealer spyware stealer

Oski family

Oski

Reads user/profile data of web browsers

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-30 18:45

Signatures

Oski family

oski

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-30 18:45

Reported

2023-08-30 18:47

Platform

win7-20230712-en

Max time kernel

122s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe

"C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 504

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-30 18:45

Reported

2023-08-30 18:47

Platform

win10v2004-20230703-en

Max time kernel

143s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe"

Signatures

Oski

infostealer oski

Reads user/profile data of web browsers

spyware stealer

Processes

C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe

"C:\Users\Admin\AppData\Local\Temp\ead85de4981024fac4478ca11dafb3ba_mafia_JC.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4752 -ip 4752

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 1152

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

N/A