Overview

overview

10

Static

static

a5b17ac04b...42.exe

windows7_x64

10

a5b17ac04b...42.exe

windows10_x64

10

Sharing

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General

  • Target

    a5b17ac04b70cc12107229c7e3a92842.exe

  • Size

    223KB

  • Sample

    210503-t29xkzvnes

  • MD5

    a5b17ac04b70cc12107229c7e3a92842

  • SHA1

    36494e8db1b039478bd577ec585954a100beba1b

  • SHA256

    1860347130f68ba0d084750816ca0fc532b8647d89e36ff53c0355e73a46d332

  • SHA512

    6f923cce6079bdde83c8d7ba057b7b0f380465fbaf1db6d828c0466def696b3c4779a6810b1b4be1071e37c5bd575eb9b2c6f7aa5bbf9867fe482596c301ae28

Score
10/10
oskidiscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

oski

C2

31.210.21.71

Targets

    • Target

      a5b17ac04b70cc12107229c7e3a92842.exe

    • Size

      223KB

    • MD5

      a5b17ac04b70cc12107229c7e3a92842

    • SHA1

      36494e8db1b039478bd577ec585954a100beba1b

    • SHA256

      1860347130f68ba0d084750816ca0fc532b8647d89e36ff53c0355e73a46d332

    • SHA512

      6f923cce6079bdde83c8d7ba057b7b0f380465fbaf1db6d828c0466def696b3c4779a6810b1b4be1071e37c5bd575eb9b2c6f7aa5bbf9867fe482596c301ae28

    Score
    10/10
    oskidiscoveryinfostealerspywarestealer

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

      infostealeroski

    • 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