Overview

overview

10

Static

static

dd6f97becd...aa.exe

windows7_x64

3

dd6f97becd...aa.exe

windows10_x64

10

Sharing

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General

  • Target

    dd6f97becdd24e1c2c1b7662bb3760aa.exe

  • Size

    745KB

  • Sample

    211201-ndp2ssbfdj

  • MD5

    dd6f97becdd24e1c2c1b7662bb3760aa

  • SHA1

    a2894d09e5fc6f0a5ee5ec27119b02ecbc2d9a79

  • SHA256

    6b869d8825516d0b977d48043d1d56d233de7b128074b068566dc33e0ff9fdb7

  • SHA512

    f352c4cfc3d878287e0f6a783ab803eccba5aee872321e18f2c6c15bca9aad6a47c441e52cb03b88f77cc853ee33988198703cdfbbc0bff0097163125c7e3cda

Score
10/10
oskidiscoveryinfostealerspywarestealersuricata

Malware Config

Extracted

Family

oski

C2

swsaseguranca.com.br

Targets

    • Target

      dd6f97becdd24e1c2c1b7662bb3760aa.exe

    • Size

      745KB

    • MD5

      dd6f97becdd24e1c2c1b7662bb3760aa

    • SHA1

      a2894d09e5fc6f0a5ee5ec27119b02ecbc2d9a79

    • SHA256

      6b869d8825516d0b977d48043d1d56d233de7b128074b068566dc33e0ff9fdb7

    • SHA512

      f352c4cfc3d878287e0f6a783ab803eccba5aee872321e18f2c6c15bca9aad6a47c441e52cb03b88f77cc853ee33988198703cdfbbc0bff0097163125c7e3cda

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

      suricata

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

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

      suricata

    • Downloads MZ/PE file

    • 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

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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