General

  • Target

    2025-05-08_37c5657dea6cd1b210204359cff379ed_agent-tesla_amadey_black-basta_cobalt-strike_darkgate_elex_luca-stealer

  • Size

    938KB

  • Sample

    250508-vmp7gswk17

  • MD5

    37c5657dea6cd1b210204359cff379ed

  • SHA1

    10fef1be12acb6d49e4ad21fdbe33d6a96d0bad3

  • SHA256

    c28bdc6a23e081607d4e41ce926b652cbad558e6a2d5161dd75fd071cb205fae

  • SHA512

    d46d82877e63cb304b97b62022c049664f9ebe7f392940f537dc2d9d0cfb31f9d34cf8b085e05c7dd57e52da0fce6fa523544c1a2db3bd1a83f7b6936b60982d

  • SSDEEP

    24576:6qDEvCTbMWu7rQYlBQcBiT6rprG8ayce:6TvC/MTQYxsWR7ayc

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://80.64.18.161/testmine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://80.64.18.161/testmine/random.exe

Extracted

Family

lumma

C2

https://apronsxrum.digital/pwq

https://orjinalecza.net/lxaz

https://eczakozmetik.net/qop

https://medikalbitkisel.net/qos

https://tortoisgfe.top/paxk

https://medicalbitkisel.org/mbj

https://orijinalecza.net/kazd

https://medicalbitkisel.net/juj

https://snakejh.top/adsk

https://voznessxyy.life/bnaz

https://iyinsidegrah.run/ieop

https://homewappzb.top/tqba

https://zclatteqrpq.digital/kljz

https://descenrugb.bet/woap

https://grizzlqzuk.live/qhbu

https://ninepicchf.bet/lznd

https://orijinalecza.org/jub

https://eczamedikal.org/vax

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://80.64.18.161/testmine/random.exe

Targets

    • Target

      2025-05-08_37c5657dea6cd1b210204359cff379ed_agent-tesla_amadey_black-basta_cobalt-strike_darkgate_elex_luca-stealer

    • Size

      938KB

    • MD5

      37c5657dea6cd1b210204359cff379ed

    • SHA1

      10fef1be12acb6d49e4ad21fdbe33d6a96d0bad3

    • SHA256

      c28bdc6a23e081607d4e41ce926b652cbad558e6a2d5161dd75fd071cb205fae

    • SHA512

      d46d82877e63cb304b97b62022c049664f9ebe7f392940f537dc2d9d0cfb31f9d34cf8b085e05c7dd57e52da0fce6fa523544c1a2db3bd1a83f7b6936b60982d

    • SSDEEP

      24576:6qDEvCTbMWu7rQYlBQcBiT6rprG8ayce:6TvC/MTQYxsWR7ayc

    • Disables service(s)

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Impair Defenses: Safe Mode Boot

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks

OSZAR »