Overview

overview

10

Static

static

1

!#File?_#!...up.exe

windows7-x64

10

!#File?_#!...up.exe

windows10-2004-x64

10

!#File?_#!...up.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    files.zip

  • Size

    14.8MB

  • Sample

    240616-xfv59swglq

  • MD5

    810387348f17bc13d5f2635f06198e70

  • SHA1

    d5fcda64215753cbd86174401df7915e0857c9ae

  • SHA256

    0c5787229f775fcbdd5d466b411c628480c0a0b655b1f7705b90448296916112

  • SHA512

    5aef04b143adffeb3d2119f21736e721c913a06595565b6c4ff98cb50e77a503b23ef7a08c51508adece885bce5350259748fac4879845be5fb03955a49cd921

  • SSDEEP

    393216:gdPUs09wbsbAXGhOPB2Qelx9mOQyRzZ3zcrWQJw:n57boiOBm9RZwKGw

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      !#File?_#!U?e~Passw0rd__~.~160617~.~__/Setup.exe

    • Size

      316KB

    • MD5

      c637e5ecf625b72f4bef9d28cd81d612

    • SHA1

      a2c1329d290e508ee9fd0eb81e7f25d57e450f8c

    • SHA256

      111c56593668be63e1e0c79a2d33d9e2d49cdf0c5100663c72045bc6b76e9fe6

    • SHA512

      727d78bab4fab3674eec92ca5f07df6a0095ab3b973dd227c599c70e8493592bb53bb9208cc6270713283ef0065acfad3203ddcf4dcb6d43f8727f09ceaaf2e4

    • SSDEEP

      6144:VzsRSKkhKKXDD2mTLGxelHJ+SBae3VFpSX:6VkhZWEGxelH0SBtfpS

    Score
    10/10
    stealcvidarstealerdiscoveryspyware

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      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

    behavioral1behavioral2behavioral3

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

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks