General

  • Target

    bd4162a755872b29e29d202c66b9f4303a77088a66c37cd406b9935a2424dbb4N.exe

  • Size

    1.8MB

  • Sample

    250212-v3ka6s1lcj

  • MD5

    9bfe7c5c13a8f98fa1ab0484286ec4f0

  • SHA1

    be8bec47c9ee532880aeb049f5bafe335b4ca69a

  • SHA256

    bd4162a755872b29e29d202c66b9f4303a77088a66c37cd406b9935a2424dbb4

  • SHA512

    16dd0363e8f7e91b997ac60386db908a766e6f9aa20dc2d182a1d385defe4737d03e6e93e851495c9aa022390f207934df532ed901652aff288488269bb74c89

  • SSDEEP

    49152:lMD1jNLRN9A25+BegKOa+XDenfpQAisdRJnImUubXY4YsP:CBNN9A25i9rTef6ATfTP

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      bd4162a755872b29e29d202c66b9f4303a77088a66c37cd406b9935a2424dbb4N.exe

    • Size

      1.8MB

    • MD5

      9bfe7c5c13a8f98fa1ab0484286ec4f0

    • SHA1

      be8bec47c9ee532880aeb049f5bafe335b4ca69a

    • SHA256

      bd4162a755872b29e29d202c66b9f4303a77088a66c37cd406b9935a2424dbb4

    • SHA512

      16dd0363e8f7e91b997ac60386db908a766e6f9aa20dc2d182a1d385defe4737d03e6e93e851495c9aa022390f207934df532ed901652aff288488269bb74c89

    • SSDEEP

      49152:lMD1jNLRN9A25+BegKOa+XDenfpQAisdRJnImUubXY4YsP:CBNN9A25i9rTef6ATfTP

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • 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 user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks