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General

  • Target

    bdcf554198a5dc7d2367103854d9ab0088302d7a3d60b9b71a4882afb537b7b2.exe

  • Size

    1.8MB

  • Sample

    250207-f9ft1azrgw

  • MD5

    7d73c981878c3890d5b2c4e402bbd8dc

  • SHA1

    f9e3b3d0b36c110fa480f30cc4884afbe647e58a

  • SHA256

    bdcf554198a5dc7d2367103854d9ab0088302d7a3d60b9b71a4882afb537b7b2

  • SHA512

    86f215c68b3597a3c35872f6aa9868f49cb2f115639146042d79c67a70722f3c9f2b33a4677dcff2c14ba9d3593f1e1bb872be8f80c1eeeb58df74a1cd93cfd8

  • SSDEEP

    49152:z/hxpLhalOwRidDm8hPNStLljEKVChQ0iQS63a+SD:zXp8lHwDthP+LljTr0iw3O

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://rampnatleadk.click/api

Extracted

Family

systembc

C2

wodresomdaymomentum.org

Attributes
  • dns

    5.132.191.104

Targets

    • Target

      bdcf554198a5dc7d2367103854d9ab0088302d7a3d60b9b71a4882afb537b7b2.exe

    • Size

      1.8MB

    • MD5

      7d73c981878c3890d5b2c4e402bbd8dc

    • SHA1

      f9e3b3d0b36c110fa480f30cc4884afbe647e58a

    • SHA256

      bdcf554198a5dc7d2367103854d9ab0088302d7a3d60b9b71a4882afb537b7b2

    • SHA512

      86f215c68b3597a3c35872f6aa9868f49cb2f115639146042d79c67a70722f3c9f2b33a4677dcff2c14ba9d3593f1e1bb872be8f80c1eeeb58df74a1cd93cfd8

    • SSDEEP

      49152:z/hxpLhalOwRidDm8hPNStLljEKVChQ0iQS63a+SD:zXp8lHwDthP+LljTr0iw3O

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Enumerates VirtualBox registry keys

    • 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.

    • .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.

    • 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 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks