Malware Analysis Report

2024-10-18 21:03

Sample ID 231219-p2hs3ahdb7
Target 28911267f7db0fbdec9a4efae56e4f35
SHA256 5d9e9eec843781fcd39a0dfe23f9b9b6468cbf23ca327e1acedf8567b612cd38
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

5d9e9eec843781fcd39a0dfe23f9b9b6468cbf23ca327e1acedf8567b612cd38

Threat Level: Known bad

The file 28911267f7db0fbdec9a4efae56e4f35 was found to be: Known bad.

Malicious Activity Summary

oski infostealer spyware stealer

Oski

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 12:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-19 12:49

Reported

2023-12-19 16:40

Platform

win7-20231201-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 12:49

Reported

2023-12-19 16:45

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe"

Signatures

Oski

infostealer oski

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4884 set thread context of 3112 N/A C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe

"C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe"

C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe

"C:\Users\Admin\AppData\Local\Temp\28911267f7db0fbdec9a4efae56e4f35.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3112 -ip 3112

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 1304

Network

Country Destination Domain Proto
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 scarsa.ac.ug udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

memory/4884-2-0x0000000077502000-0x0000000077503000-memory.dmp

memory/4884-3-0x0000000000600000-0x0000000000601000-memory.dmp

memory/4884-4-0x0000000000650000-0x0000000000657000-memory.dmp

memory/3112-5-0x0000000000400000-0x0000000000439000-memory.dmp

memory/3112-6-0x0000000000400000-0x0000000000439000-memory.dmp

memory/3112-7-0x0000000000400000-0x0000000000439000-memory.dmp

memory/4884-8-0x0000000000650000-0x0000000000657000-memory.dmp

memory/3112-10-0x0000000077502000-0x0000000077503000-memory.dmp

memory/3112-11-0x00000000006B0000-0x00000000006B1000-memory.dmp

memory/3112-14-0x0000000000400000-0x0000000000439000-memory.dmp

memory/3112-15-0x0000000000400000-0x0000000000434000-memory.dmp