General

  • Target

    vir.exe

  • Size

    311.5MB

  • Sample

    240524-zg6dqsad71

  • MD5

    7c42a3fb52e363418b309e7088e1e55e

  • SHA1

    fc9499752408bed12bb862f209719a6ca1a952df

  • SHA256

    adc95310aadda3e2a9b6dddb5952119c7240093347f950246b8865b93d624f86

  • SHA512

    b0b050db89aebb39d52a6c5d2982aff1b95c63a4b045d6895d1c5eae6801e624f7ba9bdf29fbcf4dfb97d7265a6bb5015218df7cb5ded1535088ea0170848859

  • SSDEEP

    6291456:b2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHhdHVeVM:Sr+WeSWgfecGT4RjvqP85HAK

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Extracted

Family

quasar

Version

1.4.1

Botnet

romka

C2

jozzu420-51305.portmap.host:51305

Mutex

0445c342-b551-411c-9b80-cd437437f491

Attributes
  • encryption_key

    E1BF1D99459F04CAF668F054744BC2C514B0A3D6

  • install_name

    Romilyaa.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows 10 Boot

  • subdirectory

    SubDir

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

5.42.65.115:40551

Extracted

Family

lumma

C2

https://employhabragaomlsp.shop/api

https://museumtespaceorsp.shop/api

https://buttockdecarderwiso.shop/api

https://averageaattractiionsl.shop/api

https://femininiespywageg.shop/api

https://stalfbaclcalorieeis.shop/api

https://civilianurinedtsraov.shop/api

https://roomabolishsnifftwk.shop/api

Targets

    • Target

      vir.exe

    • Size

      311.5MB

    • MD5

      7c42a3fb52e363418b309e7088e1e55e

    • SHA1

      fc9499752408bed12bb862f209719a6ca1a952df

    • SHA256

      adc95310aadda3e2a9b6dddb5952119c7240093347f950246b8865b93d624f86

    • SHA512

      b0b050db89aebb39d52a6c5d2982aff1b95c63a4b045d6895d1c5eae6801e624f7ba9bdf29fbcf4dfb97d7265a6bb5015218df7cb5ded1535088ea0170848859

    • SSDEEP

      6291456:b2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHhdHVeVM:Sr+WeSWgfecGT4RjvqP85HAK

    • Detect Umbral payload

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main payload

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Windows security bypass

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

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Disables RegEdit via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • Stops running service(s)

    • .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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Modifies system executable filetype association

    • 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.

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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 Chrome extension

    • 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.

    • Modifies WinLogon

    • 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.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks