Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    cb4b52319b2eacbf8c91bb9692743ba15280532a3bfade7a631c636956958790

  • Size

    2.0MB

  • Sample

    240526-hdz9waab4w

  • MD5

    f7bfad1c2db97576ed814d4a27a7649b

  • SHA1

    0819d7bc3eb4692a7a3842f9e4c2339a8126a75e

  • SHA256

    cb4b52319b2eacbf8c91bb9692743ba15280532a3bfade7a631c636956958790

  • SHA512

    fc044e5fe6d0721f56193ffe24af522f55cb6a1f84e6dcaf3f70b6579219bef9a613fbe2cd8d16c170c8858ba1c87ad29617a9ee140d6a20225cd5e8db3ea308

  • 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

      cb4b52319b2eacbf8c91bb9692743ba15280532a3bfade7a631c636956958790

    • Size

      2.0MB

    • MD5

      f7bfad1c2db97576ed814d4a27a7649b

    • SHA1

      0819d7bc3eb4692a7a3842f9e4c2339a8126a75e

    • SHA256

      cb4b52319b2eacbf8c91bb9692743ba15280532a3bfade7a631c636956958790

    • SHA512

      fc044e5fe6d0721f56193ffe24af522f55cb6a1f84e6dcaf3f70b6579219bef9a613fbe2cd8d16c170c8858ba1c87ad29617a9ee140d6a20225cd5e8db3ea308

    • 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