General

  • Target

    wefaceswap.exe

  • Size

    36.1MB

  • Sample

    240524-23et1sed3x

  • MD5

    ccacce8535f682dd67c701d9157ef218

  • SHA1

    5f72f5e427590a0c5e184cb013d27cc3d1af265f

  • SHA256

    f954f818007b508badc400417584ae7726a71f4b697d8b1eb13184318ef1eda1

  • SHA512

    ea0816462acc433c02800f43f7d979db68d2ec78e075e2d9f0a776b9ba24b5e27ad36d9e1bab0f0276585de422b42553b2fc9c1e2571e50861bd2fd66a6ce576

  • SSDEEP

    393216:B1Du8BtuBw2FEL3Z3aLUoQvo6LP/SgbSpYvKEh1EdKwlGQKPJuGsiTfREsrgCYf6:BMguj8Q4VfvfqFTrYx

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

http://88.198.124.82:80

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

      wefaceswap.exe

    • Size

      36.1MB

    • MD5

      ccacce8535f682dd67c701d9157ef218

    • SHA1

      5f72f5e427590a0c5e184cb013d27cc3d1af265f

    • SHA256

      f954f818007b508badc400417584ae7726a71f4b697d8b1eb13184318ef1eda1

    • SHA512

      ea0816462acc433c02800f43f7d979db68d2ec78e075e2d9f0a776b9ba24b5e27ad36d9e1bab0f0276585de422b42553b2fc9c1e2571e50861bd2fd66a6ce576

    • SSDEEP

      393216:B1Du8BtuBw2FEL3Z3aLUoQvo6LP/SgbSpYvKEh1EdKwlGQKPJuGsiTfREsrgCYf6:BMguj8Q4VfvfqFTrYx

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks