Overview

overview

10

Static

static

1

a716d9eeea...18.exe

windows7-x64

7

a716d9eeea...18.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    a716d9eeea5b456cfdec69a1b34ccc96_JaffaCakes118
  • Size 985KB
  • Sample240403-1awrdsdf36
  • SHA256 890c9830635eb1674ed15a65790905fbe3ad80eb087ee7433e6da159ddc5cb00
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
oskiinfostealerpersistencespywarestealer

Malware Config

Extracted

Family

  • oski

C2

  • 45.87.2.131

Targets

    • Target
      a716d9eeea5b456cfdec69a1b34ccc96_JaffaCakes118
    • Size 985KB
    • SHA256 890c9830635eb1674ed15a65790905fbe3ad80eb087ee7433e6da159ddc5cb00
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    persistenceoskiinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • 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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks