Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9a19ce83735b38329134985a0840e60d4c49f65981a6cb48fc30d7a68608cd43

  • Size

    2.0MB

  • Sample

    240523-brb1wage77

  • MD5

    3a52d37f4e4c3ac752376cfbcc26755d

  • SHA1

    b8bb2de877a135c8fb4e50a297e78aefc81939e9

  • SHA256

    9a19ce83735b38329134985a0840e60d4c49f65981a6cb48fc30d7a68608cd43

  • SHA512

    e8abe45358606273cf82eccd4dfe9f8ef6dfa03b400f15e79db99988fb3f5faed77d228cbf30b3d3855b3ee0f35425d2c089e6fe225cb7d584afbd2deab42aa6

  • SSDEEP

    49152:7QzHt472D7JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt9tIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      9a19ce83735b38329134985a0840e60d4c49f65981a6cb48fc30d7a68608cd43

    • Size

      2.0MB

    • MD5

      3a52d37f4e4c3ac752376cfbcc26755d

    • SHA1

      b8bb2de877a135c8fb4e50a297e78aefc81939e9

    • SHA256

      9a19ce83735b38329134985a0840e60d4c49f65981a6cb48fc30d7a68608cd43

    • SHA512

      e8abe45358606273cf82eccd4dfe9f8ef6dfa03b400f15e79db99988fb3f5faed77d228cbf30b3d3855b3ee0f35425d2c089e6fe225cb7d584afbd2deab42aa6

    • SSDEEP

      49152:7QzHt472D7JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt9tIuoITsdZ

    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