Malware Analysis Report

2025-01-03 04:58

Sample ID 220420-cllhssdbar
Target f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6
SHA256 f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6
Tags
oski infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6

Threat Level: Known bad

The file f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6 was found to be: Known bad.

Malicious Activity Summary

oski infostealer

Oski

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-04-20 02:09

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-20 02:09

Reported

2022-04-20 02:13

Platform

win7-20220414-en

Max time kernel

21s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe

"C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe"

Network

N/A

Files

memory/1712-54-0x0000000000A20000-0x0000000000C24000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-20 02:09

Reported

2022-04-20 02:12

Platform

win10v2004-20220414-en

Max time kernel

156s

Max time network

174s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe"

Signatures

Oski

infostealer oski

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4656 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe
PID 4656 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe

"C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe"

C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe

"C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe"

C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe

"C:\Users\Admin\AppData\Local\Temp\f302eea287a2ee17eb29f4ccaab0552791e261f6bccca2b8de1398941495ecb6.exe"

Network

Country Destination Domain Proto
NL 20.190.160.132:443 tcp
US 93.184.221.240:80 tcp
IE 20.50.80.210:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.220.29:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 2.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp
NL 45.12.215.204:80 tcp
NL 45.12.215.204:80 tcp

Files

memory/4656-130-0x0000000000110000-0x0000000000314000-memory.dmp

memory/4372-131-0x0000000000000000-mapping.dmp

memory/3328-132-0x0000000000000000-mapping.dmp

memory/3328-133-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3328-134-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3328-135-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3328-136-0x0000000000400000-0x0000000000438000-memory.dmp