General

  • Target

    b99cc58b450cf68801e301eaea9927a4

  • Size

    6.3MB

  • Sample

    240116-ld2z9ahhe9

  • MD5

    b99cc58b450cf68801e301eaea9927a4

  • SHA1

    eba28bca7e8920f42717e8b0e52611fc9708fc66

  • SHA256

    7307d795569537cef259606c48234c9db61ed7786eefe8151e89d369408308a1

  • SHA512

    0924f89ca33cf794f8188f8232781c4f9b59be1e9e812e379b1923a9eebcae3fa1a7e7dc3e387c47dda2786eaafb3298ee72a10fa4b8d9e9f6294973cbb5af16

  • SSDEEP

    196608:owCqdWR0aKaljq/ypGt65iRJMWSZUXnFTHxP:Sq4aHadpGs5iRJMvMnJV

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.79

Attributes
  • url_path

    /3886d2276f6914c4.php

rc4.plain

Targets

    • Target

      b99cc58b450cf68801e301eaea9927a4

    • Size

      6.3MB

    • MD5

      b99cc58b450cf68801e301eaea9927a4

    • SHA1

      eba28bca7e8920f42717e8b0e52611fc9708fc66

    • SHA256

      7307d795569537cef259606c48234c9db61ed7786eefe8151e89d369408308a1

    • SHA512

      0924f89ca33cf794f8188f8232781c4f9b59be1e9e812e379b1923a9eebcae3fa1a7e7dc3e387c47dda2786eaafb3298ee72a10fa4b8d9e9f6294973cbb5af16

    • SSDEEP

      196608:owCqdWR0aKaljq/ypGt65iRJMWSZUXnFTHxP:Sq4aHadpGs5iRJMvMnJV

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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 web browsers

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

    • UPX packed file

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

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks