Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    7b38924479572b2ed79dcc0ca7d39c84ff31a9ecee769a266c00a84b1806d6fe

  • Size

    2.0MB

  • Sample

    240527-b8bfnsca2z

  • MD5

    51ecd328c2a3b525ac515a16b83a1add

  • SHA1

    77c9b1eeefb792526be32c440f3a9a14f08ba8a2

  • SHA256

    7b38924479572b2ed79dcc0ca7d39c84ff31a9ecee769a266c00a84b1806d6fe

  • SHA512

    b4d2a378c88e9755c5393307ec50a05804b8626d1302a7207c83198a1ae29752d1090826a2c9a5951352bd7ad1f660589b50650637ff66a125a12b85ccf67a25

  • SSDEEP

    49152:OePpQEtJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEttIuoITsdZ

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

      7b38924479572b2ed79dcc0ca7d39c84ff31a9ecee769a266c00a84b1806d6fe

    • Size

      2.0MB

    • MD5

      51ecd328c2a3b525ac515a16b83a1add

    • SHA1

      77c9b1eeefb792526be32c440f3a9a14f08ba8a2

    • SHA256

      7b38924479572b2ed79dcc0ca7d39c84ff31a9ecee769a266c00a84b1806d6fe

    • SHA512

      b4d2a378c88e9755c5393307ec50a05804b8626d1302a7207c83198a1ae29752d1090826a2c9a5951352bd7ad1f660589b50650637ff66a125a12b85ccf67a25

    • SSDEEP

      49152:OePpQEtJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEttIuoITsdZ

    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