Overview

overview

10

Static

static

RFQ for _R...ls.doc

windows7_x64

10

RFQ for _R...ls.doc

windows10_x64

1

Sharing

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General

  • Target

    RFQ for _RTO system packages product details.doc

  • Size

    436KB

  • Sample

    211026-pq8kcahhgq

  • MD5

    aa8389c34cb620485eb8dd8a85c0f8ab

  • SHA1

    203af430cd573268320c7c696a7731c60f1c6820

  • SHA256

    72eaa8de39509cc335820bb9220ecf6f08b77f72613c2baac86328fee8d49e05

  • SHA512

    2cc198f98767096d5277f5322b73f06b547f417d1512bbfbaf22dfd7f0f5dfbc846a27ce5b5886ed65a9fdda60f4801ff0d7451c6e8e0e0e777c5e276804bde9

Score
10/10
oskidiscoveryinfostealerspywarestealersuricata

Malware Config

Extracted

Family

oski

C2

stanelectronics.xyz

Targets

    • Target

      RFQ for _RTO system packages product details.doc

    • Size

      436KB

    • MD5

      aa8389c34cb620485eb8dd8a85c0f8ab

    • SHA1

      203af430cd573268320c7c696a7731c60f1c6820

    • SHA256

      72eaa8de39509cc335820bb9220ecf6f08b77f72613c2baac86328fee8d49e05

    • SHA512

      2cc198f98767096d5277f5322b73f06b547f417d1512bbfbaf22dfd7f0f5dfbc846a27ce5b5886ed65a9fdda60f4801ff0d7451c6e8e0e0e777c5e276804bde9

    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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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

    • 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

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks