Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

  • Size

    2.0MB

  • Sample

    240523-bkxc8sga51

  • MD5

    0e081abf4b82c918848cf6148529adcb

  • SHA1

    2dd8cffea57f544ca66e56a0cfef46c293cc6e7e

  • SHA256

    31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

  • SHA512

    b33492cb9e31c7939b6b4b83445995ffc7238c09a8464993233266251fab41f0c9f34a88b14cb1e6941bd6e9678d793392b1c4c06368ccff8c427df36b23397d

  • SSDEEP

    49152:7QzHt472D8JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt6tIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

    • Size

      2.0MB

    • MD5

      0e081abf4b82c918848cf6148529adcb

    • SHA1

      2dd8cffea57f544ca66e56a0cfef46c293cc6e7e

    • SHA256

      31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

    • SHA512

      b33492cb9e31c7939b6b4b83445995ffc7238c09a8464993233266251fab41f0c9f34a88b14cb1e6941bd6e9678d793392b1c4c06368ccff8c427df36b23397d

    • SSDEEP

      49152:7QzHt472D8JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt6tIuoITsdZ

    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