Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    7c33f4263e9c13cc1cb9f351fc3ee80b3bc2315ea0ebdfb11736e0150340754a

  • Size

    1.6MB

  • Sample

    240611-nynz8swelk

  • MD5

    b1dd827cdeadecb5a0244e1994293421

  • SHA1

    4abc462601062fa2e178677532903566b4c544d5

  • SHA256

    7c33f4263e9c13cc1cb9f351fc3ee80b3bc2315ea0ebdfb11736e0150340754a

  • SHA512

    9c3ac8eff64993e91106ed559b4802b71842c7dcb71e184a9268df9331778b6ad9b50b11d3f4d25151bf2ffcd6f11b689074236ca0f48ff0cee1f840ebfe4db6

  • SSDEEP

    24576:spM5863IGfTAVpalBvUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BvUkxVVChjHZQs

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

      7c33f4263e9c13cc1cb9f351fc3ee80b3bc2315ea0ebdfb11736e0150340754a

    • Size

      1.6MB

    • MD5

      b1dd827cdeadecb5a0244e1994293421

    • SHA1

      4abc462601062fa2e178677532903566b4c544d5

    • SHA256

      7c33f4263e9c13cc1cb9f351fc3ee80b3bc2315ea0ebdfb11736e0150340754a

    • SHA512

      9c3ac8eff64993e91106ed559b4802b71842c7dcb71e184a9268df9331778b6ad9b50b11d3f4d25151bf2ffcd6f11b689074236ca0f48ff0cee1f840ebfe4db6

    • SSDEEP

      24576:spM5863IGfTAVpalBvUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BvUkxVVChjHZQs

    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