Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    fa04be0dda0d438e6af625d01c9fe0d6c87e0fb2e84546a9f4f8f52a86c3f80b

  • Size

    2.0MB

  • Sample

    240526-rj5afshb4w

  • MD5

    729d4e5a1a2b87dec4c0826b19ae26d9

  • SHA1

    f4a8ee102aec4d8da680bdb33ee05668e553ba36

  • SHA256

    fa04be0dda0d438e6af625d01c9fe0d6c87e0fb2e84546a9f4f8f52a86c3f80b

  • SHA512

    9af4d48f794bce1ec3b3f705fb66daf2b0fcb47a6693b1aa332af9b04588912a0d2656973e51fcbfa34517bbaaae89061ed680d0f4acf254317e96df68075aa8

  • SSDEEP

    49152:OePpQEZJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEZtIuoITsdZ

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

      fa04be0dda0d438e6af625d01c9fe0d6c87e0fb2e84546a9f4f8f52a86c3f80b

    • Size

      2.0MB

    • MD5

      729d4e5a1a2b87dec4c0826b19ae26d9

    • SHA1

      f4a8ee102aec4d8da680bdb33ee05668e553ba36

    • SHA256

      fa04be0dda0d438e6af625d01c9fe0d6c87e0fb2e84546a9f4f8f52a86c3f80b

    • SHA512

      9af4d48f794bce1ec3b3f705fb66daf2b0fcb47a6693b1aa332af9b04588912a0d2656973e51fcbfa34517bbaaae89061ed680d0f4acf254317e96df68075aa8

    • SSDEEP

      49152:OePpQEZJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEZtIuoITsdZ

    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