Overview

overview

10

Static

static

3

4ca212f415...42.exe

windows7-x64

10

4ca212f415...42.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ca212f4155f208d48f4a16149286eb810c87500d9c15d958ce7ae2835c22f42.exe

  • Size

    2.0MB

  • Sample

    240522-x61hnsdg52

  • MD5

    0983feada2901e346361c96c0925e125

  • SHA1

    5ff315892a946e1f4fb788456f48ad701b167b68

  • SHA256

    4ca212f4155f208d48f4a16149286eb810c87500d9c15d958ce7ae2835c22f42

  • SHA512

    6596aa6f48d71ba82db7d4f8827acb54669c95ee59d63820c73d0509cf69ac35d75968dd516c876d84af3c09ada0bf24d9b4686ed70e3c26afa65eb99909d426

  • SSDEEP

    49152:7QzHt472DrJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtFtIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      4ca212f4155f208d48f4a16149286eb810c87500d9c15d958ce7ae2835c22f42.exe

    • Size

      2.0MB

    • MD5

      0983feada2901e346361c96c0925e125

    • SHA1

      5ff315892a946e1f4fb788456f48ad701b167b68

    • SHA256

      4ca212f4155f208d48f4a16149286eb810c87500d9c15d958ce7ae2835c22f42

    • SHA512

      6596aa6f48d71ba82db7d4f8827acb54669c95ee59d63820c73d0509cf69ac35d75968dd516c876d84af3c09ada0bf24d9b4686ed70e3c26afa65eb99909d426

    • SSDEEP

      49152:7QzHt472DrJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtFtIuoITsdZ

    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

    • Loads dropped DLL

    • 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

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

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