General

  • Target

    4e45f3be55d72b8a56918e6bd25d63ea1ec3670c0201429cac2cd7bc6d371917

  • Size

    383KB

  • Sample

    240401-fkpevaed87

  • MD5

    152eb63697cba4a1219708f8feec90e7

  • SHA1

    b94a6e8950169ac6acd8bed2b213a9b522c70f76

  • SHA256

    4e45f3be55d72b8a56918e6bd25d63ea1ec3670c0201429cac2cd7bc6d371917

  • SHA512

    9bc2b9b46e4b576242d72d82c8400889c29328ae3cae7594df2ad1e6577d3b104339940613afb537601e0ee8548ed4246502f45803bf33cdcdda0d6244b2af1e

  • SSDEEP

    6144:J5I+pEmdMq8VZende5i8KXjFXb0T+o8yOpFi+p6UXiZhQRU4WtQLIE6lMAoM5P:J5I+2cMCnQpOjZgT/OpAUKhQ24WtAIPL

Malware Config

Targets

    • Target

      4e45f3be55d72b8a56918e6bd25d63ea1ec3670c0201429cac2cd7bc6d371917

    • Size

      383KB

    • MD5

      152eb63697cba4a1219708f8feec90e7

    • SHA1

      b94a6e8950169ac6acd8bed2b213a9b522c70f76

    • SHA256

      4e45f3be55d72b8a56918e6bd25d63ea1ec3670c0201429cac2cd7bc6d371917

    • SHA512

      9bc2b9b46e4b576242d72d82c8400889c29328ae3cae7594df2ad1e6577d3b104339940613afb537601e0ee8548ed4246502f45803bf33cdcdda0d6244b2af1e

    • SSDEEP

      6144:J5I+pEmdMq8VZende5i8KXjFXb0T+o8yOpFi+p6UXiZhQRU4WtQLIE6lMAoM5P:J5I+2cMCnQpOjZgT/OpAUKhQ24WtAIPL

    • Detects DLL dropped by Raspberry Robin.

      Raspberry Robin.

    • Glupteba

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

    • Glupteba payload

    • Modifies firewall policy service

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • 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.

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Blocklisted process makes network request

    • 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

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks