Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    5c77c1ab3f5e9804f9b1cfd874616d88f65f5694b2af87dd5891d557583e9108

  • Size

    2.0MB

  • Sample

    240525-wyvf1sdc5z

  • MD5

    88acb36154152d8e6c282496ffd51477

  • SHA1

    9d12acabc4bd99e30665b1468cb3e620f8af4d27

  • SHA256

    5c77c1ab3f5e9804f9b1cfd874616d88f65f5694b2af87dd5891d557583e9108

  • SHA512

    3733f5e3f940d46098f5e81e6e010331a39329a866a07af3582e34d26d355908de546e808d6e8b4aa33c31dbc3ab43ce3aeabe7e02c46cc0e4862b9adcb2a84b

  • SSDEEP

    49152:s4K3x1vUiJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18itIuoITsdZ

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

      5c77c1ab3f5e9804f9b1cfd874616d88f65f5694b2af87dd5891d557583e9108

    • Size

      2.0MB

    • MD5

      88acb36154152d8e6c282496ffd51477

    • SHA1

      9d12acabc4bd99e30665b1468cb3e620f8af4d27

    • SHA256

      5c77c1ab3f5e9804f9b1cfd874616d88f65f5694b2af87dd5891d557583e9108

    • SHA512

      3733f5e3f940d46098f5e81e6e010331a39329a866a07af3582e34d26d355908de546e808d6e8b4aa33c31dbc3ab43ce3aeabe7e02c46cc0e4862b9adcb2a84b

    • SSDEEP

      49152:s4K3x1vUiJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18itIuoITsdZ

    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