Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://samples.vx-u...

windows10-2004-x64

10

Sharing

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General

  • Target

    https://samples.vx-underground.org/Samples/Families/Oski/fdd060d4ee221701282ca13c743cc95965708d71a975691f04e300a99fd23916.7z

  • Sample

    240425-tyttdacf25

Score
10/10
oskievasioninfostealerspywarestealertrojan

Malware Config

Extracted

Family

oski

C2

eesss.online

Targets

    • Target

      https://samples.vx-underground.org/Samples/Families/Oski/fdd060d4ee221701282ca13c743cc95965708d71a975691f04e300a99fd23916.7z

    Score
    10/10
    oskievasioninfostealerspywarestealertrojan

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks