Overview

overview

10

Static

static

RFQ-096857654.exe

windows7_x64

10

RFQ-096857654.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    RFQ-096857654.rar

  • Size

    266KB

  • Sample

    210728-kddwz6p1ce

  • MD5

    ed7ed1bcea73972b69c6d77604e30cb4

  • SHA1

    8c7cdabc378ba440a4d2083e783d9dbf4cb120ff

  • SHA256

    df2fe0ba314c03f4a02572a43910d3730f1967fd16ca83973203352a082e0be5

  • SHA512

    fe7768ec3224502fc4454e2b8eaef6eb4f441b5f2dccaebdefe868a197bcfbefbe1f4d598579df8032dd6a717d3ccca96a21936080b12a43a65106c2a7ace72f

Score
10/10
oskidiscoveryinfostealerspywarestealersuricata

Malware Config

Extracted

Family

oski

C2

evakark.xyz

Targets

    • Target

      RFQ-096857654.exe

    • Size

      313KB

    • MD5

      5ad9f6be601fb9f23677c239c91deae2

    • SHA1

      a0162b62231692e94ca41aac27cec6063179a9da

    • SHA256

      90a9ef1c549a9f2646f6c603e27570832f371d25d2fc4b967c96f55fa034e557

    • SHA512

      60d3f39a18811ac40c3b5d14e34eaac8334627545c703006f25e297b5f2fe3669715ea7e92a44f05991a0567a14a79c6f8a239651f85738ec30f61ae790a8737

    Score
    10/10
    oskidiscoveryinfostealerspywarestealersuricata

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks