Resubmissions

01-04-2023 00:10

230401-af5y5sfh8x 10

01-04-2023 00:04

230401-acyewsef24 8

General

  • Target

    fuck-you(and-a-little-dubstep)-By-Tuna.mp3

  • Size

    91KB

  • Sample

    230401-af5y5sfh8x

  • MD5

    995071bbbce1e5c68e78680b7c0e2980

  • SHA1

    81e65df5c76ac1b7349a21fa0026aee390e93a24

  • SHA256

    f1012e68db40209bc8830a4c08293c1f185c9cd364d094f10e8b823318915240

  • SHA512

    00c29432b4347f17f3341e547af7f7b1ed49936a8dd4392f937ef5e266f9288d30abb1ae5a70e84e4179585aa14754c05d8b5f9559ee94af50ad57a7b569a37d

  • SSDEEP

    1536:DZpLvTLUW0yWJu2nuaalyrOWxGyCdg8mt0k6NdrbmLW4ySx+VR7O55:Vtv/UW0yWJbnu3QWdg8A6TrKWnSxiR7i

Malware Config

Targets

    • Target

      fuck-you(and-a-little-dubstep)-By-Tuna.mp3

    • Size

      91KB

    • MD5

      995071bbbce1e5c68e78680b7c0e2980

    • SHA1

      81e65df5c76ac1b7349a21fa0026aee390e93a24

    • SHA256

      f1012e68db40209bc8830a4c08293c1f185c9cd364d094f10e8b823318915240

    • SHA512

      00c29432b4347f17f3341e547af7f7b1ed49936a8dd4392f937ef5e266f9288d30abb1ae5a70e84e4179585aa14754c05d8b5f9559ee94af50ad57a7b569a37d

    • SSDEEP

      1536:DZpLvTLUW0yWJu2nuaalyrOWxGyCdg8mt0k6NdrbmLW4ySx+VR7O55:Vtv/UW0yWJbnu3QWdg8A6TrKWnSxiR7i

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks