General

  • Target

    The-MALWARE-Repo

  • Size

    261KB

  • Sample

    241226-rm2nqsxphk

  • MD5

    87750bd035cfad60c82210e14a2c3e8a

  • SHA1

    f753410fc889f5f0acc4ece0d041d85db376c713

  • SHA256

    26fa04e84503ff7775565ed6867d2c4f67a8612b1c905b05dada866de91b14d5

  • SHA512

    280ba72eb1722f50f86acdfd722ec91bb1bcd92c64f796028ca6dd60f796b06478a6f36a1e5408d5ee149a54d329926e0ef77a01222876345949b9d251440d8c

  • SSDEEP

    6144:oQVNPSpOL/saqkPV9Fe2LtcIDSsmw598vZJT3CqbMrhryf65NRPaCieMjAkvCJv+:5NPSpOL/saqkPV9Fe2LtcIDSsmw598v/

Malware Config

Extracted

Family

azorult

C2

http://boglogov.site/index.php

Targets

    • Target

      The-MALWARE-Repo

    • Size

      261KB

    • MD5

      87750bd035cfad60c82210e14a2c3e8a

    • SHA1

      f753410fc889f5f0acc4ece0d041d85db376c713

    • SHA256

      26fa04e84503ff7775565ed6867d2c4f67a8612b1c905b05dada866de91b14d5

    • SHA512

      280ba72eb1722f50f86acdfd722ec91bb1bcd92c64f796028ca6dd60f796b06478a6f36a1e5408d5ee149a54d329926e0ef77a01222876345949b9d251440d8c

    • SSDEEP

      6144:oQVNPSpOL/saqkPV9Fe2LtcIDSsmw598vZJT3CqbMrhryf65NRPaCieMjAkvCJv+:5NPSpOL/saqkPV9Fe2LtcIDSsmw598v/

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Chimera

      Ransomware which infects local and network files, often distributed via Dropbox links.

    • Chimera Ransomware Loader DLL

      Drops/unpacks executable file which resembles Chimera's Loader.dll.

    • Chimera family

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • Lokibot family

    • Modifies Windows Defender Real-time Protection settings

    • Modifies visiblity of hidden/system files in Explorer

    • RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Revengerat family

    • Rms family

    • UAC bypass

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Warzonerat family

    • Windows security bypass

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    • Renames multiple (872) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • RevengeRat Executable

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Stops running service(s)

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • 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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops desktop.ini file(s)

    • 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

    • Password Policy Discovery

      Attempt to access detailed information about the password policy used within an enterprise network.

    • 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

    • Hide Artifacts: Hidden Users

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks