Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b42b0e64617bb8fdb8c19c0e9d3b45f545669ad41c4d4fbde944939dc7a253dc

  • Size

    2.0MB

  • Sample

    240526-mlf87afb7w

  • MD5

    45e2d135765f81a6203ebe994b560246

  • SHA1

    5a898472039e37786e61a5babfc8e0431525f2dd

  • SHA256

    b42b0e64617bb8fdb8c19c0e9d3b45f545669ad41c4d4fbde944939dc7a253dc

  • SHA512

    201f9b270f950376ecab28b99a8cea75192f8bfee1edcd951bbc4dbdba5bbeb328459a312701b0a153bfd98da29c05675ecf358dfe56d9e51abfe5190b6927d6

  • SSDEEP

    49152:OePpQExJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQExtIuoITsdZ

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

      b42b0e64617bb8fdb8c19c0e9d3b45f545669ad41c4d4fbde944939dc7a253dc

    • Size

      2.0MB

    • MD5

      45e2d135765f81a6203ebe994b560246

    • SHA1

      5a898472039e37786e61a5babfc8e0431525f2dd

    • SHA256

      b42b0e64617bb8fdb8c19c0e9d3b45f545669ad41c4d4fbde944939dc7a253dc

    • SHA512

      201f9b270f950376ecab28b99a8cea75192f8bfee1edcd951bbc4dbdba5bbeb328459a312701b0a153bfd98da29c05675ecf358dfe56d9e51abfe5190b6927d6

    • SSDEEP

      49152:OePpQExJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQExtIuoITsdZ

    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