Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    4b0a0a1350cda6674122191fcf1882af0aac34c78e38e0b3e26c65f485c63096

  • Size

    1.9MB

  • Sample

    240527-v7vygabh21

  • MD5

    4ff760d287d00c87b187c653983409b7

  • SHA1

    ed4f013dfd16f10c1e74264541fd180d41b02600

  • SHA256

    4b0a0a1350cda6674122191fcf1882af0aac34c78e38e0b3e26c65f485c63096

  • SHA512

    2edba7ee370c4ad60d238eeb60f1263477203aa59ef55d14103850c9b0cc12efdf8c097ebafa05f95581cdde89686d970baa1332527fecada9a9a1a558adc505

  • SSDEEP

    49152:CdKfTn6vSJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnxtIuoITsdZ

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

      4b0a0a1350cda6674122191fcf1882af0aac34c78e38e0b3e26c65f485c63096

    • Size

      1.9MB

    • MD5

      4ff760d287d00c87b187c653983409b7

    • SHA1

      ed4f013dfd16f10c1e74264541fd180d41b02600

    • SHA256

      4b0a0a1350cda6674122191fcf1882af0aac34c78e38e0b3e26c65f485c63096

    • SHA512

      2edba7ee370c4ad60d238eeb60f1263477203aa59ef55d14103850c9b0cc12efdf8c097ebafa05f95581cdde89686d970baa1332527fecada9a9a1a558adc505

    • SSDEEP

      49152:CdKfTn6vSJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnxtIuoITsdZ

    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