Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    1ad6aa5ed881730e3ed0eb54bdb45135d0c7242717aec7664d1e4b4b26536dbc

  • Size

    2.1MB

  • Sample

    240617-fnxkmavhma

  • MD5

    8a61b6f50f0fce3115837de149de99bf

  • SHA1

    0d6d7ac040fc4501680e83b2137e003c50db3dee

  • SHA256

    1ad6aa5ed881730e3ed0eb54bdb45135d0c7242717aec7664d1e4b4b26536dbc

  • SHA512

    18cb46fa25cecde1c18946f273c12aa639b66eb35f94557fe0eabf876a3268b74b96752e0a7fc79e1385dbf016584813feae869f44153adb8749a71cf28dace8

  • SSDEEP

    24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCKtUfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCKtUkxVVChjHZQs

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      1ad6aa5ed881730e3ed0eb54bdb45135d0c7242717aec7664d1e4b4b26536dbc

    • Size

      2.1MB

    • MD5

      8a61b6f50f0fce3115837de149de99bf

    • SHA1

      0d6d7ac040fc4501680e83b2137e003c50db3dee

    • SHA256

      1ad6aa5ed881730e3ed0eb54bdb45135d0c7242717aec7664d1e4b4b26536dbc

    • SHA512

      18cb46fa25cecde1c18946f273c12aa639b66eb35f94557fe0eabf876a3268b74b96752e0a7fc79e1385dbf016584813feae869f44153adb8749a71cf28dace8

    • SSDEEP

      24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCKtUfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCKtUkxVVChjHZQs

    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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • 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

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks