Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    555281f2cb5673a822bbb42166f9e514d78c623fd659cb0ab30d536444ca4134

  • Size

    2.1MB

  • Sample

    240522-c1l3wahf91

  • MD5

    73de9bf29334ad8a2b6999315725b863

  • SHA1

    cb3978f05f5e5596a2f36bd55d4e19d25abc3f0a

  • SHA256

    555281f2cb5673a822bbb42166f9e514d78c623fd659cb0ab30d536444ca4134

  • SHA512

    8e58064acd09c0510ee20c421d59539076d7ece11791e9575f98e8bf6c176b01b53ed9f9011ffe4e9f5c23ff69ea8df3a9af2cfbc51c7e32b830dccbc2a2dbc2

  • SSDEEP

    49152:N6uDuaS9ref6IJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9fItIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      555281f2cb5673a822bbb42166f9e514d78c623fd659cb0ab30d536444ca4134

    • Size

      2.1MB

    • MD5

      73de9bf29334ad8a2b6999315725b863

    • SHA1

      cb3978f05f5e5596a2f36bd55d4e19d25abc3f0a

    • SHA256

      555281f2cb5673a822bbb42166f9e514d78c623fd659cb0ab30d536444ca4134

    • SHA512

      8e58064acd09c0510ee20c421d59539076d7ece11791e9575f98e8bf6c176b01b53ed9f9011ffe4e9f5c23ff69ea8df3a9af2cfbc51c7e32b830dccbc2a2dbc2

    • SSDEEP

      49152:N6uDuaS9ref6IJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9fItIuoITsdZ

    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