Malware Analysis Report

2024-09-22 21:46

Sample ID 240113-hrycfadhhk
Target 5846831cfd75a1d686963ae3c628e00e
SHA256 a27d9f14392c00a3f786949ad7f9317c835dd564d2709b20f1ff2ea68fe46390
Tags
oski infostealer spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

a27d9f14392c00a3f786949ad7f9317c835dd564d2709b20f1ff2ea68fe46390

Threat Level: Known bad

The file 5846831cfd75a1d686963ae3c628e00e was found to be: Known bad.

Malicious Activity Summary

oski infostealer spyware stealer

Oski

Reads user/profile data of web browsers

AutoIT Executable

Suspicious use of SetThreadContext

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-01-13 06:58

Signatures

AutoIT Executable

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-13 06:58

Reported

2024-01-13 07:01

Platform

win7-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe"

Signatures

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2232 set thread context of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe
PID 2232 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe

"C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe"

C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe

"C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe"

Network

Country Destination Domain Proto
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp

Files

memory/1616-0-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1616-3-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2232-4-0x0000000000360000-0x0000000000361000-memory.dmp

memory/2232-2-0x00000000002F0000-0x000000000031D000-memory.dmp

memory/1616-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1616-12-0x0000000000400000-0x0000000000432000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-13 06:58

Reported

2024-01-13 07:01

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe"

Signatures

Oski

infostealer oski

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3888 set thread context of 1788 N/A C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe

"C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe"

C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe

"C:\Users\Admin\AppData\Local\Temp\5846831cfd75a1d686963ae3c628e00e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1788 -ip 1788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1212

Network

Country Destination Domain Proto
RU 176.119.156.4:80 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
RU 176.119.156.4:80 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
RU 176.119.156.4:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 87.248.205.0:80 tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
RU 176.119.156.4:80 tcp
RU 176.119.156.4:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp

Files

memory/1788-1-0x0000000000400000-0x0000000000432000-memory.dmp

memory/3888-0-0x0000000003EC0000-0x0000000003EED000-memory.dmp

memory/3888-2-0x0000000003EF0000-0x0000000003EF1000-memory.dmp

memory/1788-8-0x0000000000400000-0x0000000000432000-memory.dmp