General

  • Target

    5V767_random.exe

  • Size

    1.8MB

  • Sample

    250208-xxvk3a1jhn

  • MD5

    ebb19356f4a1f8d9aa63efcad72818a6

  • SHA1

    005666bf6270b976c4e2c2faf13491da29389c7e

  • SHA256

    8313c081a92b8c3e8debe8b6662ce1531cbf3d0e6464c1a6d0ee178568a52c40

  • SHA512

    f4821767f3056ad7c2a58de117667b28a1a2e619d495cf3238a7f36aedc8bb0b4add7affd0cc0ae9020991f28c6f67b4dee1d937920eff99e9789ea1b0a95ec8

  • SSDEEP

    49152:VfVcxMJmPwpUkpePPp9gkCuHswI68sgJ:VfIPkKItyr8sgJ

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

Extracted

Family

lumma

C2

https://paleboreei.biz/api

Targets

    • Target

      5V767_random.exe

    • Size

      1.8MB

    • MD5

      ebb19356f4a1f8d9aa63efcad72818a6

    • SHA1

      005666bf6270b976c4e2c2faf13491da29389c7e

    • SHA256

      8313c081a92b8c3e8debe8b6662ce1531cbf3d0e6464c1a6d0ee178568a52c40

    • SHA512

      f4821767f3056ad7c2a58de117667b28a1a2e619d495cf3238a7f36aedc8bb0b4add7affd0cc0ae9020991f28c6f67b4dee1d937920eff99e9789ea1b0a95ec8

    • SSDEEP

      49152:VfVcxMJmPwpUkpePPp9gkCuHswI68sgJ:VfIPkKItyr8sgJ

    • Amadey

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

    • Amadey family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks