Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    7890a8b6fa3d22281d32700d088c9530c11a703d3dde1f559fde62fc091e92e7

  • Size

    1.9MB

  • Sample

    240527-pqzbnscb8s

  • MD5

    94499b1c20fda69aef65f87bfed21b54

  • SHA1

    a6a3c10af718b8d979c1ef492eb4ee0fb43702f8

  • SHA256

    7890a8b6fa3d22281d32700d088c9530c11a703d3dde1f559fde62fc091e92e7

  • SHA512

    f752224cb1d6f6c70c0ff89887b1bb6778f6cece01992968136a5b0a0b0c9c7db108457bef31636d1000550102589ce3f00617799fbd315a41b618eaf93acff6

  • SSDEEP

    49152:CdKfTn6vWJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnFtIuoITsdZ

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

      7890a8b6fa3d22281d32700d088c9530c11a703d3dde1f559fde62fc091e92e7

    • Size

      1.9MB

    • MD5

      94499b1c20fda69aef65f87bfed21b54

    • SHA1

      a6a3c10af718b8d979c1ef492eb4ee0fb43702f8

    • SHA256

      7890a8b6fa3d22281d32700d088c9530c11a703d3dde1f559fde62fc091e92e7

    • SHA512

      f752224cb1d6f6c70c0ff89887b1bb6778f6cece01992968136a5b0a0b0c9c7db108457bef31636d1000550102589ce3f00617799fbd315a41b618eaf93acff6

    • SSDEEP

      49152:CdKfTn6vWJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnFtIuoITsdZ

    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