Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    81457a9f4019f75f4a89d6f6aba0858cced4ccea5000bf60039650d6d40b206d

  • Size

    1.6MB

  • Sample

    240611-sad8ca1cpg

  • MD5

    62d96a33a062938a8efffdc45463567b

  • SHA1

    2e1dabd66acc487a20310809f80c0331eb028843

  • SHA256

    81457a9f4019f75f4a89d6f6aba0858cced4ccea5000bf60039650d6d40b206d

  • SHA512

    5b80b890cb0251cce5a31c9772957d30f8961cc520ccb2629f060ee847ee637be1952cd39d54c4f30d40de50c597514f221b52c0dd430238471c6ca88ddd9fb6

  • SSDEEP

    24576:spM5863IGfTAVpalBmUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BmUkxVVChjHZQs

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      81457a9f4019f75f4a89d6f6aba0858cced4ccea5000bf60039650d6d40b206d

    • Size

      1.6MB

    • MD5

      62d96a33a062938a8efffdc45463567b

    • SHA1

      2e1dabd66acc487a20310809f80c0331eb028843

    • SHA256

      81457a9f4019f75f4a89d6f6aba0858cced4ccea5000bf60039650d6d40b206d

    • SHA512

      5b80b890cb0251cce5a31c9772957d30f8961cc520ccb2629f060ee847ee637be1952cd39d54c4f30d40de50c597514f221b52c0dd430238471c6ca88ddd9fb6

    • SSDEEP

      24576:spM5863IGfTAVpalBmUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BmUkxVVChjHZQs

    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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • 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

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks