Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    85d417ade5e92d4f93eaf210a28b523348112a9eb735c9370d101325e77dea92

  • Size

    2.0MB

  • Sample

    240525-b4qpssab6v

  • MD5

    6a13443f51fe14c4b535e8adb51f25d3

  • SHA1

    602b85b4f3d014babe7d55e46c81a59f9c0ea558

  • SHA256

    85d417ade5e92d4f93eaf210a28b523348112a9eb735c9370d101325e77dea92

  • SHA512

    17b8b5c1b3279d344c262ac26cb5ee2c0c225a1148d546cac95aef24966b6c53db1935ff11e40ca30109d7d0893b075916eb351f0e0c77ab31fb5e41cd62cd0a

  • SSDEEP

    49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ

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

      85d417ade5e92d4f93eaf210a28b523348112a9eb735c9370d101325e77dea92

    • Size

      2.0MB

    • MD5

      6a13443f51fe14c4b535e8adb51f25d3

    • SHA1

      602b85b4f3d014babe7d55e46c81a59f9c0ea558

    • SHA256

      85d417ade5e92d4f93eaf210a28b523348112a9eb735c9370d101325e77dea92

    • SHA512

      17b8b5c1b3279d344c262ac26cb5ee2c0c225a1148d546cac95aef24966b6c53db1935ff11e40ca30109d7d0893b075916eb351f0e0c77ab31fb5e41cd62cd0a

    • SSDEEP

      49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ

    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