Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    3de8b9b1d08028b686b6d6f60d71fa66b2ad895e8a1e05613ba22a57c337330d

  • Size

    2.4MB

  • Sample

    240523-ngzemsec5w

  • MD5

    168e5678ee6435390c3cbe2c60535464

  • SHA1

    9f652f16cee90406e1adcceb9afe1c19a7267f9b

  • SHA256

    3de8b9b1d08028b686b6d6f60d71fa66b2ad895e8a1e05613ba22a57c337330d

  • SHA512

    291f54d1262e910578db90670a512bb5018525271949ba5d28ec80506d9bf803fb36682e46df0abd9c7f03dbf64d52be548f776e1316fa5323b1f39d2d4ebc00

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUiJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68ditIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      3de8b9b1d08028b686b6d6f60d71fa66b2ad895e8a1e05613ba22a57c337330d

    • Size

      2.4MB

    • MD5

      168e5678ee6435390c3cbe2c60535464

    • SHA1

      9f652f16cee90406e1adcceb9afe1c19a7267f9b

    • SHA256

      3de8b9b1d08028b686b6d6f60d71fa66b2ad895e8a1e05613ba22a57c337330d

    • SHA512

      291f54d1262e910578db90670a512bb5018525271949ba5d28ec80506d9bf803fb36682e46df0abd9c7f03dbf64d52be548f776e1316fa5323b1f39d2d4ebc00

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUiJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68ditIuoITsdZ

    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