Extracted

Extracted

Extracted

• • Target
    39f811c648cc1f58d649c0b9fba6f72d.exe
  • Size 938KB
  • SHA256 43210fa69584be3a162adcedda4cf7e4e61eda835a9955f94080b251f97f71a1
  • MD5 39f811c648cc1f58d649c0b9fba6f72d
  • SHA1 5ca782a3f40ba1539bcc214065901a000126c179
  • SHA512 6ad51ad4deac4a2bb31e17ad3e51903bb3379b008049b646dae1d3587a41f968e233e90706232dde758d83f39113799ec0f38c5c3a50812fe6168d8c5b1dad0e
  • SSDEEP 24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8aMlb:/TvC/MTQYxsWR7aMl
  • MD5 SHA1 SHA512 SSDEEP

  Score

  10^/10

  lummacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerthemidatrojan

  • Disables service(s)

    defense_evasionexecution

  • Lumma Stealer, LummaC

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

    stealerlumma

  • Lumma family

    lumma

  • Modifies WinLogon for persistence

    persistence

  • Modifies Windows Defender notification settings

    defense_evasiontrojan

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

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

    defense_evasion

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Downloads MZ/PE file

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Stops running service(s)

    defense_evasionexecution

  • Uses browser remote debugging

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

    credential_accessstealer

  • 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.

  • Credentials from Password Stores: Windows Credential Manager

    Suspicious access to Credentials History.

    credential_accessstealer

  • Executes dropped EXE

  • Reads ssh keys stored on the system

    Tries to access SSH used by SSH programs.

    spywarestealer

  • Reads user/profile data of local email clients

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

    spywarestealer

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Unsecured Credentials: Credentials In Files

    Steal credentials from unsecured files.

    credential_accessstealer

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Indicator Removal: File Deletion

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion

  • Legitimate hosting services abused for malware hosting/C2

  • Power Settings

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    persistence

  • Drops file in System32 directory

  • Enumerates processes with tasklist

    discovery

  • Suspicious use of SetThreadContext

  behavioral1behavioral2