General

  • Target

    6258bbfc5431e6385edb9ecdd8d0e3de5610acf2bcbe962c6450d9cd14d3c355

  • Size

    1.8MB

  • Sample

    240311-139hysfh3w

  • MD5

    bb6f0bab62efec7ded74d42cea440033

  • SHA1

    98adef30c9158a1c95e4888ce3a29d2413ff731c

  • SHA256

    6258bbfc5431e6385edb9ecdd8d0e3de5610acf2bcbe962c6450d9cd14d3c355

  • SHA512

    3deb606610534c823e096f61d377c8f24cf4804b3f57f5f0afce2372561373bb27ea4abc31ac7144108bfef43ad43be531541ddb4eb3e96d513ad175b75acb35

  • SSDEEP

    49152:p07eZHYtIMQCdcODxlLl5lk7ECuBIVx7omC1d6vkq:p074YtdQCdJDnlPCuBIVx71Cevk

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

risepro

C2

193.233.132.62

Extracted

Family

stealc

C2

http://185.172.128.145

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      6258bbfc5431e6385edb9ecdd8d0e3de5610acf2bcbe962c6450d9cd14d3c355

    • Size

      1.8MB

    • MD5

      bb6f0bab62efec7ded74d42cea440033

    • SHA1

      98adef30c9158a1c95e4888ce3a29d2413ff731c

    • SHA256

      6258bbfc5431e6385edb9ecdd8d0e3de5610acf2bcbe962c6450d9cd14d3c355

    • SHA512

      3deb606610534c823e096f61d377c8f24cf4804b3f57f5f0afce2372561373bb27ea4abc31ac7144108bfef43ad43be531541ddb4eb3e96d513ad175b75acb35

    • SSDEEP

      49152:p07eZHYtIMQCdcODxlLl5lk7ECuBIVx7omC1d6vkq:p074YtdQCdJDnlPCuBIVx71Cevk

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Glupteba

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

    • Glupteba payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • Windows security bypass

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables referencing many varying, potentially fake Windows User-Agents

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

    • UPX dump on OEP (original entry point)

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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