Overview

overview

10

Static

static

3

8d3d0b068c...aa.exe

windows7-x64

10

8d3d0b068c...aa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8d3d0b068c53a267be316e9c3df958579552ec2e2fccafcba7e8d74f570e2baa

  • Size

    2.0MB

  • Sample

    240525-flnjyafc32

  • MD5

    40e7ff44884592b0085a242b51824806

  • SHA1

    1e453cd0506933dde3bfaf9f821cb8f404118c56

  • SHA256

    8d3d0b068c53a267be316e9c3df958579552ec2e2fccafcba7e8d74f570e2baa

  • SHA512

    a05995d62d0d8cb596bebb1937203db1d5be01329f9df6fc3accfd46ac37dc9390d8824b383d995cb5cd6c446d4783e105f25cca183a2dd6396fcdf7551de3be

  • SSDEEP

    49152:s4K3x1vUyJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18ytIuoITsdZ

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

      8d3d0b068c53a267be316e9c3df958579552ec2e2fccafcba7e8d74f570e2baa

    • Size

      2.0MB

    • MD5

      40e7ff44884592b0085a242b51824806

    • SHA1

      1e453cd0506933dde3bfaf9f821cb8f404118c56

    • SHA256

      8d3d0b068c53a267be316e9c3df958579552ec2e2fccafcba7e8d74f570e2baa

    • SHA512

      a05995d62d0d8cb596bebb1937203db1d5be01329f9df6fc3accfd46ac37dc9390d8824b383d995cb5cd6c446d4783e105f25cca183a2dd6396fcdf7551de3be

    • SSDEEP

      49152:s4K3x1vUyJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18ytIuoITsdZ

    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

    • Loads dropped DLL

    • 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

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

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