Overview

overview

10

Static

static

C9B7CD9594...AE.exe

windows7_x64

10

C9B7CD9594...AE.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    C9B7CD9594E42B49718C8E4C093CE9BD2E494AB5D11AE.exe

  • Size

    318KB

  • Sample

    220619-z1573scfar

  • MD5

    6fbe0d88a13f078bdb6ce169f64cf2d6

  • SHA1

    cafb904a8227f35ca916e1c7b1213ce76b4282b2

  • SHA256

    c9b7cd9594e42b49718c8e4c093ce9bd2e494ab5d11ae6fbe505ce24a5cc3867

  • SHA512

    f7a9123cd0bcf342372c3e3f898ae2be9e0085680092366e1469d888366c96d78e069edb2fee4bb6d578422ee459f6bc436fc85b9018b5d0e0d84efd5835b4bd

Score
10/10
oskiinfostealerspywarestealersuricata

Malware Config

Extracted

Family

oski

C2

weirdtrendz.com

Targets

    • Target

      C9B7CD9594E42B49718C8E4C093CE9BD2E494AB5D11AE.exe

    • Size

      318KB

    • MD5

      6fbe0d88a13f078bdb6ce169f64cf2d6

    • SHA1

      cafb904a8227f35ca916e1c7b1213ce76b4282b2

    • SHA256

      c9b7cd9594e42b49718c8e4c093ce9bd2e494ab5d11ae6fbe505ce24a5cc3867

    • SHA512

      f7a9123cd0bcf342372c3e3f898ae2be9e0085680092366e1469d888366c96d78e069edb2fee4bb6d578422ee459f6bc436fc85b9018b5d0e0d84efd5835b4bd

    Score
    10/10
    oskiinfostealerspywarestealersuricata

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • 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

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks