Extracted

• • Target

    b5b467e9309cbddb4a9ed34a82a36163.exe

  • Size

    462KB

  • MD5

    b5b467e9309cbddb4a9ed34a82a36163

  • SHA1

    1e28242e9862c5b5b040a415e5db619d862a7224

  • SHA256

    ff38415bfa7f2db5ba40f26e64ede0676971c441823d2ec2755d644d8905d809

  • SHA512

    7dd9a63d9d89564aa7a1b571a0f0095b07c02a5faca908580f871133bbe9d5ce70d345c87528c5f65228577f4c26243a1393a47126ca45166791fcaea4de4776

  • SSDEEP

    12288:udcF8KWGUJib0PfIN2AyF5t/AKNxwkvJWaZjs:7F8KWGUcbaAWntTNlv0aB

  Score

  10^/10

  ammyyadminphobosrhadamanthyssmokeloaderbackdoorbootkitcollectionevasionpersistenceransomwareratstealertrojanflawedammyyspyware

  • Ammyy Admin

    Remote admin tool with various capabilities.

    ratammyyadmin

  • AmmyyAdmin payload

  • Detect rhadamanthys stealer shellcode

  • FlawedAmmyy RAT

    Remote-access trojan based on leaked code for the Ammyy remote admin software.

    trojanflawedammyy

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    stealerrhadamanthys

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomware

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Renames multiple (373) files with added filename extension

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

    ransomware

  • Renames multiple (58) files with added filename extension

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

    ransomware

  • Deletes backup catalog

    Uses wbadmin.exe to inhibit system recovery.

    ransomware

  • Downloads MZ/PE file

  • Modifies Windows Firewall

    evasion

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Accesses Microsoft Outlook profiles

    collection

  • Adds Run key to start application

    persistence

  • Drops desktop.ini file(s)

  • Writes to the Master Boot Record (MBR)

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

    bootkitpersistence

  • Suspicious use of SetThreadContext

  behavioral1behavioral2