Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    f04c96d1cbb030218d30b5eefa5b57eeeda1faa8e9d5ff52dd63432c5d2b2627

  • Size

    1.9MB

  • Sample

    240528-b33mzaab3w

  • MD5

    075097391bce2156cdedb21d9560311a

  • SHA1

    bbb44c0d1f484d388632936aa710679a394b4340

  • SHA256

    f04c96d1cbb030218d30b5eefa5b57eeeda1faa8e9d5ff52dd63432c5d2b2627

  • SHA512

    67c5eb64ea4cc62813bb2dcb1c5f921260e0759602eb9f67554c7e6f722b73125d97ed60ed1b06ea4251889328dcad84b1835804b58615f7b063103dc18b5e60

  • SSDEEP

    49152:CdKfTn6v+JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnttIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      f04c96d1cbb030218d30b5eefa5b57eeeda1faa8e9d5ff52dd63432c5d2b2627

    • Size

      1.9MB

    • MD5

      075097391bce2156cdedb21d9560311a

    • SHA1

      bbb44c0d1f484d388632936aa710679a394b4340

    • SHA256

      f04c96d1cbb030218d30b5eefa5b57eeeda1faa8e9d5ff52dd63432c5d2b2627

    • SHA512

      67c5eb64ea4cc62813bb2dcb1c5f921260e0759602eb9f67554c7e6f722b73125d97ed60ed1b06ea4251889328dcad84b1835804b58615f7b063103dc18b5e60

    • SSDEEP

      49152:CdKfTn6v+JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnttIuoITsdZ

    Score
    10/10
    stealcvidardiscoveryspywarestealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • 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 Enterprise v15

Tasks