Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    4e57ba211728826bb1ebebb5735cc825b06bbf6689984a13b6a88b5e8e0178e2

  • Size

    2.0MB

  • Sample

    240526-f4y4dsge4s

  • MD5

    441f2308a3fbf4a10357141a50231cc9

  • SHA1

    0c38c3282a5bfcd9feee7c9a316af42307577515

  • SHA256

    4e57ba211728826bb1ebebb5735cc825b06bbf6689984a13b6a88b5e8e0178e2

  • SHA512

    4957ae673cc468d08158cd57f0f7e83770b42cc8837da375fdf65440bcb2b34c9d486777a61f092168738710ba8a77bf0b0b8207e2a6cd6974c9300b08711fd0

  • SSDEEP

    49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin
Attributes
  • user_agent

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

Targets

    • Target

      4e57ba211728826bb1ebebb5735cc825b06bbf6689984a13b6a88b5e8e0178e2

    • Size

      2.0MB

    • MD5

      441f2308a3fbf4a10357141a50231cc9

    • SHA1

      0c38c3282a5bfcd9feee7c9a316af42307577515

    • SHA256

      4e57ba211728826bb1ebebb5735cc825b06bbf6689984a13b6a88b5e8e0178e2

    • SHA512

      4957ae673cc468d08158cd57f0f7e83770b42cc8837da375fdf65440bcb2b34c9d486777a61f092168738710ba8a77bf0b0b8207e2a6cd6974c9300b08711fd0

    • SSDEEP

      49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

    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