Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9b13705d9e42d2c8503c7739dfdd29417566f370e733a2a749aa06c437045ed1

  • Size

    2.0MB

  • Sample

    240525-cs1w3abd72

  • MD5

    4ed181bcd9e98ca6337768bdf40e44f4

  • SHA1

    c9c65afb6dc86997205bdfefc2e66206459f53d2

  • SHA256

    9b13705d9e42d2c8503c7739dfdd29417566f370e733a2a749aa06c437045ed1

  • SHA512

    b7dec08c97413289f590454cfb27cd373a09cae68239e6a5ef0169b515e19c89dd96849026e8a1eb25241768f8ae7d0e9ede9583a8c4c19b31a7edbf3aa36fee

  • SSDEEP

    49152:s4K3x1vUSJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18StIuoITsdZ

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

      9b13705d9e42d2c8503c7739dfdd29417566f370e733a2a749aa06c437045ed1

    • Size

      2.0MB

    • MD5

      4ed181bcd9e98ca6337768bdf40e44f4

    • SHA1

      c9c65afb6dc86997205bdfefc2e66206459f53d2

    • SHA256

      9b13705d9e42d2c8503c7739dfdd29417566f370e733a2a749aa06c437045ed1

    • SHA512

      b7dec08c97413289f590454cfb27cd373a09cae68239e6a5ef0169b515e19c89dd96849026e8a1eb25241768f8ae7d0e9ede9583a8c4c19b31a7edbf3aa36fee

    • SSDEEP

      49152:s4K3x1vUSJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18StIuoITsdZ

    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