Resubmissions

13/04/2025, 19:26

250413-x5yyfssycw 10

13/04/2025, 19:26

250413-x5mkessybz 1

General

  • Target

    IMG_20250413_131246_512.jpg

  • Size

    181KB

  • Sample

    250413-x5yyfssycw

  • MD5

    703286b654cd9c54537e939017aa08ed

  • SHA1

    35aef5149a6a4e168a2c92ca71341efe4ff6277f

  • SHA256

    1d87e401ddc024a9ab7521e7fb4b8b44bb54bdb833e6e9981e196ef90b6552ec

  • SHA512

    30751ad053f249f57851764ba8de113af89cd453726a6acb33c5ac0ff690ca97494331faacc176d7b95246b9d23bbde4d2c9f99cdc797f04bea633358057c39b

  • SSDEEP

    3072:EqkijMJOP8Fy6ZEm4Ka0/DOvtguXB+oLMJ/iP9y7wlJaILQ9Ap9a67lXqB+bpcPz:EqkrOPGr4m/U6uxpIJaA7wjsepx7lXqz

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8050477168:AAHBCRJ0cgHePX5EvRtfNqNtL4xXBDx4NRE/sendMessag

Targets

    • Target

      IMG_20250413_131246_512.jpg

    • Size

      181KB

    • MD5

      703286b654cd9c54537e939017aa08ed

    • SHA1

      35aef5149a6a4e168a2c92ca71341efe4ff6277f

    • SHA256

      1d87e401ddc024a9ab7521e7fb4b8b44bb54bdb833e6e9981e196ef90b6552ec

    • SHA512

      30751ad053f249f57851764ba8de113af89cd453726a6acb33c5ac0ff690ca97494331faacc176d7b95246b9d23bbde4d2c9f99cdc797f04bea633358057c39b

    • SSDEEP

      3072:EqkijMJOP8Fy6ZEm4Ka0/DOvtguXB+oLMJ/iP9y7wlJaILQ9Ap9a67lXqB+bpcPz:EqkrOPGr4m/U6uxpIJaA7wjsepx7lXqz

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks