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Resubmissions

10/04/2024, 02:41 UTC

240410-c6hmmsfd7z 10

10/04/2024, 02:41 UTC

240410-c6g14scb46 10

10/04/2024, 02:41 UTC

240410-c6gqcacb45 10

10/04/2024, 02:41 UTC

240410-c6f4tacb44 10

14/10/2023, 01:33 UTC

231014-bysbfahh6s 10

General

  • Target

    x19a4f9f3d16fcc9779ba8ea79bf7.exe

  • Size

    392KB

  • Sample

    240410-c6f4tacb44

  • MD5

    2299a17350433284e58bd0fcc10edf41

  • SHA1

    d477f1cd55365db00ca77cc5459afabe1ffc80b3

  • SHA256

    c3439dd56bcf3921cdbfcbdff3f928d14ebd632b3411235657bf9f5452c1ab9d

  • SHA512

    123d18cf17b4bb0f0b16414039c2381f77e9f12c96a109d5847c760e4d7fb64f6c592f8f185a4c0375aade6754afd0abd6a196936adac405290f157829ae25a1

  • SSDEEP

    6144:5cJGLvLE5hu6Me646G0D1ecme1x9b31v4n:uUvLr6k9b5ecmed1v4

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6193093056:AAHzyNGUGS9aUG6CCx6ENLoXpCFLzEQywIQ/sendMessage?chat_id=1098292643

Targets

    • Target

      x19a4f9f3d16fcc9779ba8ea79bf7.exe

    • Size

      392KB

    • MD5

      2299a17350433284e58bd0fcc10edf41

    • SHA1

      d477f1cd55365db00ca77cc5459afabe1ffc80b3

    • SHA256

      c3439dd56bcf3921cdbfcbdff3f928d14ebd632b3411235657bf9f5452c1ab9d

    • SHA512

      123d18cf17b4bb0f0b16414039c2381f77e9f12c96a109d5847c760e4d7fb64f6c592f8f185a4c0375aade6754afd0abd6a196936adac405290f157829ae25a1

    • SSDEEP

      6144:5cJGLvLE5hu6Me646G0D1ecme1x9b31v4n:uUvLr6k9b5ecmed1v4

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks

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