Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    fb0cac931236f546f2bb2ba6045bd5c5bac3b4ad6ad4dc4d8081ea4f7f4eff42

  • Size

    2.4MB

  • Sample

    240524-pkmexsbd59

  • MD5

    b909912bb3516e619dace30b842af9af

  • SHA1

    6da059c5743af8f433d551402985b1ccd0313de1

  • SHA256

    fb0cac931236f546f2bb2ba6045bd5c5bac3b4ad6ad4dc4d8081ea4f7f4eff42

  • SHA512

    875b076e1927956c0614ca0721158a5ba89d284d453d75119b51f10e80c72c63f52a6fee70515a0eb5991b6563e793bf8f1898ca8051c2740b3bab1d10ac7987

  • SSDEEP

    49152:jxIRJF1HL+VdX68kU+JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d+tIuoITsdZ

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

      fb0cac931236f546f2bb2ba6045bd5c5bac3b4ad6ad4dc4d8081ea4f7f4eff42

    • Size

      2.4MB

    • MD5

      b909912bb3516e619dace30b842af9af

    • SHA1

      6da059c5743af8f433d551402985b1ccd0313de1

    • SHA256

      fb0cac931236f546f2bb2ba6045bd5c5bac3b4ad6ad4dc4d8081ea4f7f4eff42

    • SHA512

      875b076e1927956c0614ca0721158a5ba89d284d453d75119b51f10e80c72c63f52a6fee70515a0eb5991b6563e793bf8f1898ca8051c2740b3bab1d10ac7987

    • SSDEEP

      49152:jxIRJF1HL+VdX68kU+JtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68d+tIuoITsdZ

    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