Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    cfa92c12e3a2dc7cff90e260a02ae1bbe75f98ee9923d14e3c9e49137570b43f

  • Size

    2.0MB

  • Sample

    240525-tmdb9aab2s

  • MD5

    5137939894b504bb63a816f49780919d

  • SHA1

    e6cfa193d5223e879cd99218dfcae8764d33795d

  • SHA256

    cfa92c12e3a2dc7cff90e260a02ae1bbe75f98ee9923d14e3c9e49137570b43f

  • SHA512

    01d07389cdeb40dcdb855d89e6873c14e5d125ab69a33af0cace7bb105a9531eebb1bd8efaf1b1189cae79f846b9d4e53b20665ebf88e743571f1ee463fe916a

  • SSDEEP

    49152:s4K3x1vU6JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex186tIuoITsdZ

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

      cfa92c12e3a2dc7cff90e260a02ae1bbe75f98ee9923d14e3c9e49137570b43f

    • Size

      2.0MB

    • MD5

      5137939894b504bb63a816f49780919d

    • SHA1

      e6cfa193d5223e879cd99218dfcae8764d33795d

    • SHA256

      cfa92c12e3a2dc7cff90e260a02ae1bbe75f98ee9923d14e3c9e49137570b43f

    • SHA512

      01d07389cdeb40dcdb855d89e6873c14e5d125ab69a33af0cace7bb105a9531eebb1bd8efaf1b1189cae79f846b9d4e53b20665ebf88e743571f1ee463fe916a

    • SSDEEP

      49152:s4K3x1vU6JtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex186tIuoITsdZ

    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