Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    c3b9bd59f869ba739fdc018b6a4f51655d617cbfc4a56f4168762ec683212280

  • Size

    1.9MB

  • Sample

    240527-pjkjyabf8w

  • MD5

    a0c61ba8b76b888cd4e2c21fcd43fce6

  • SHA1

    c21b659f3ccc717aa1f9fa7b2ababf3de72640b8

  • SHA256

    c3b9bd59f869ba739fdc018b6a4f51655d617cbfc4a56f4168762ec683212280

  • SHA512

    4b172c0d080c6b9c01ceaa44905cdb14d02ead9e9b18cbaf8923e826c47b6866b30026826c2f22dd2715345c75c44a61ef2130ec6aa07ba76946a6a7e0ff6177

  • SSDEEP

    49152:CdKfTn6veJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTndtIuoITsdZ

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

      c3b9bd59f869ba739fdc018b6a4f51655d617cbfc4a56f4168762ec683212280

    • Size

      1.9MB

    • MD5

      a0c61ba8b76b888cd4e2c21fcd43fce6

    • SHA1

      c21b659f3ccc717aa1f9fa7b2ababf3de72640b8

    • SHA256

      c3b9bd59f869ba739fdc018b6a4f51655d617cbfc4a56f4168762ec683212280

    • SHA512

      4b172c0d080c6b9c01ceaa44905cdb14d02ead9e9b18cbaf8923e826c47b6866b30026826c2f22dd2715345c75c44a61ef2130ec6aa07ba76946a6a7e0ff6177

    • SSDEEP

      49152:CdKfTn6veJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTndtIuoITsdZ

    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