Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    c13ef999938cf7f303e128185120c1ee4c885ea5b8543295925d2ab98b4e41de

  • Size

    2.1MB

  • Sample

    240521-tzxawsbh2y

  • MD5

    c19fa538bced1969f1316bcebcf16468

  • SHA1

    1ce8f14d436741f3d09fb7493d8c20d068cf3b48

  • SHA256

    c13ef999938cf7f303e128185120c1ee4c885ea5b8543295925d2ab98b4e41de

  • SHA512

    262832017398a760ef43cf9d60bda3737cf22494cd82e400dbb9b3e32f9c8e1dddd51c35314618ff11914699f2b22f7f31528a294f40d919b439bab58acaa599

  • SSDEEP

    49152:N6uDuaS9refegJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9zgtIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      c13ef999938cf7f303e128185120c1ee4c885ea5b8543295925d2ab98b4e41de

    • Size

      2.1MB

    • MD5

      c19fa538bced1969f1316bcebcf16468

    • SHA1

      1ce8f14d436741f3d09fb7493d8c20d068cf3b48

    • SHA256

      c13ef999938cf7f303e128185120c1ee4c885ea5b8543295925d2ab98b4e41de

    • SHA512

      262832017398a760ef43cf9d60bda3737cf22494cd82e400dbb9b3e32f9c8e1dddd51c35314618ff11914699f2b22f7f31528a294f40d919b439bab58acaa599

    • SSDEEP

      49152:N6uDuaS9refegJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9zgtIuoITsdZ

    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