Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4

  • Size

    2.0MB

  • Sample

    240526-mfzhksfa3v

  • MD5

    5cd50403b4207c7adaef1605f148bdd6

  • SHA1

    24c5db370391a0c38ca6e86196296bec0d9a8e9f

  • SHA256

    9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4

  • SHA512

    f642ec57bb0620d90c4a99481de78f849967aa65badb74bd1a52f828bb7ac5df202e89b7e21ae2a2652fd2258630aed9e97e7d2aee7a6eb0fce29b923bfc7130

  • SSDEEP

    49152:OePpQE1JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE1tIuoITsdZ

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

      9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4

    • Size

      2.0MB

    • MD5

      5cd50403b4207c7adaef1605f148bdd6

    • SHA1

      24c5db370391a0c38ca6e86196296bec0d9a8e9f

    • SHA256

      9eb87512323ddc90ff2df083482a5a4287ca709a1177b03a7420a9b17248e9e4

    • SHA512

      f642ec57bb0620d90c4a99481de78f849967aa65badb74bd1a52f828bb7ac5df202e89b7e21ae2a2652fd2258630aed9e97e7d2aee7a6eb0fce29b923bfc7130

    • SSDEEP

      49152:OePpQE1JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE1tIuoITsdZ

    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