Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Resubmissions

23-05-2024 18:23

240523-w1kdtsbg43 10

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General

  • Target

    019defb00ac70b5260d5b7c3c8b0b477d4953bc5bac8f42fbec4d7e4aaff72e9

  • Size

    2.4MB

  • Sample

    240523-w1kdtsbg43

  • MD5

    aa088db2fb11c45957afc3e0eddabe43

  • SHA1

    72b6dfad9d46a341b3f51601e687fd1e30796621

  • SHA256

    019defb00ac70b5260d5b7c3c8b0b477d4953bc5bac8f42fbec4d7e4aaff72e9

  • SHA512

    48d03d6977a0c4b533ae924a9319a280fd2f6952e62d4872ec3abd56245238137258aeda1f7dc04c53e006b9caf78b63bb21acad94474efcd6e77f34e59967ac

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUqJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dqtIuoITsdZ

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

      019defb00ac70b5260d5b7c3c8b0b477d4953bc5bac8f42fbec4d7e4aaff72e9

    • Size

      2.4MB

    • MD5

      aa088db2fb11c45957afc3e0eddabe43

    • SHA1

      72b6dfad9d46a341b3f51601e687fd1e30796621

    • SHA256

      019defb00ac70b5260d5b7c3c8b0b477d4953bc5bac8f42fbec4d7e4aaff72e9

    • SHA512

      48d03d6977a0c4b533ae924a9319a280fd2f6952e62d4872ec3abd56245238137258aeda1f7dc04c53e006b9caf78b63bb21acad94474efcd6e77f34e59967ac

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUqJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dqtIuoITsdZ

    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