Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    917ea94350f22c3c0dbb935090db6d6a180d22d1f6e46f447c85fe196b14a3e1

  • Size

    2.1MB

  • Sample

    240522-dx3rwsae88

  • MD5

    502a8628ac9f42b8258d3ee440d58db8

  • SHA1

    ef7ff1d96bd374807b88a7a0f96cf49c49fe3309

  • SHA256

    917ea94350f22c3c0dbb935090db6d6a180d22d1f6e46f447c85fe196b14a3e1

  • SHA512

    673d52851e2cecc4220c3b7ddb4dc3f200ab8ceddb01df80f94f181c0dd53d95caa0006f1ea2e7bfc3f1e323278e75dab043849078ab5935d1126f73966ad96b

  • SSDEEP

    49152:N6uDuaS9refi8JtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9H8tIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      917ea94350f22c3c0dbb935090db6d6a180d22d1f6e46f447c85fe196b14a3e1

    • Size

      2.1MB

    • MD5

      502a8628ac9f42b8258d3ee440d58db8

    • SHA1

      ef7ff1d96bd374807b88a7a0f96cf49c49fe3309

    • SHA256

      917ea94350f22c3c0dbb935090db6d6a180d22d1f6e46f447c85fe196b14a3e1

    • SHA512

      673d52851e2cecc4220c3b7ddb4dc3f200ab8ceddb01df80f94f181c0dd53d95caa0006f1ea2e7bfc3f1e323278e75dab043849078ab5935d1126f73966ad96b

    • SSDEEP

      49152:N6uDuaS9refi8JtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9H8tIuoITsdZ

    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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks