Extracted

• • Target

    a75e3f3e506051b9e4313a407c2a993f9d662a142f2ec.exe

  • Size

    3.4MB

  • MD5

    8b6693a9fd8f3a9ca63e933c7e1284bc

  • SHA1

    94fe1a59213d6cb266e5e6b8761b9b7a45512e1f

  • SHA256

    a75e3f3e506051b9e4313a407c2a993f9d662a142f2ec6265edeca16511bc115

  • SHA512

    882ffd091cae2a658cb5b992a3c3c8e06519bedcee1ed629b4d933bfbea2e32531e04519ca76f450a4a014bf851360cb56d72c7bd2c13907c308b26fa0a0a2e9

  • SSDEEP

    49152:Q5qWhABbYQFw/3MywBAfm079cyxuc5BhBKiJ+av9kgzr0dt1cOZaX:ZWhEywBgm0OQ5BhkivHr0bps

  Score

  10^/10

  ammyyadminphobosrhadamanthyssmokeloaderbackdoorbootkitcollectiondiscoveryevasionpersistenceransomwareratspywarestealertrojan

  • Ammyy Admin

    Remote admin tool with various capabilities.

    ratammyyadmin

  • AmmyyAdmin payload

  • Detect rhadamanthys stealer shellcode

  • 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 (365) files with added filename extension

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

    ransomware

  • Renames multiple (70) 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

  • 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

  • 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