Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    a3c161600ab64462dbabbab822f395fe3f82048ae3cb0502e49a98eedfc6f479

  • Size

    2.4MB

  • Sample

    240524-rdsz8sgf95

  • MD5

    7b8d6baf4ed9b124e6547e1c9fbc43fd

  • SHA1

    2b1166140f556376bffef520c73f5015ce924da3

  • SHA256

    a3c161600ab64462dbabbab822f395fe3f82048ae3cb0502e49a98eedfc6f479

  • SHA512

    91953d23cb5041ab2edcf51e86dfcd6e0f9591e9e226711eafd05bde446bc6c6124c0e04b422d496921f1d5e7d5da3d825a4e265a4ae8c44622014ca2ce07c53

  • SSDEEP

    49152:jxIRJF1HL+VdX68kU2JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d2tIuoITsdZ

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

      a3c161600ab64462dbabbab822f395fe3f82048ae3cb0502e49a98eedfc6f479

    • Size

      2.4MB

    • MD5

      7b8d6baf4ed9b124e6547e1c9fbc43fd

    • SHA1

      2b1166140f556376bffef520c73f5015ce924da3

    • SHA256

      a3c161600ab64462dbabbab822f395fe3f82048ae3cb0502e49a98eedfc6f479

    • SHA512

      91953d23cb5041ab2edcf51e86dfcd6e0f9591e9e226711eafd05bde446bc6c6124c0e04b422d496921f1d5e7d5da3d825a4e265a4ae8c44622014ca2ce07c53

    • SSDEEP

      49152:jxIRJF1HL+VdX68kU2JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d2tIuoITsdZ

    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