Extracted

Extracted

Extracted

• • Target
    InstallDefenderUI.exe
  • Size 2.5MB
  • SHA256 a65796609998aa5ddf37ce23de2890732e3b25902f46c8d0dbbb0c10f4e230b6
  • MD5 5bb2ed0bf513952f4bfc2b59f6389fa5
  • SHA1 a029c2a120ca73b91e1834d2dbf6705f31cb7176
  • SHA512 f25799f6751816a9d738e278c8ced9234d4a303a206bd9914181ff284041e3114eee750eb41147a9f5556dd22877540452a07bd00268cd38f75b81aea009a542
  • SSDEEP 49152:uBuZrEUrKwkKN82NpoKQJs3uO701kMdFDp:okLrKwkKvojO3/wkmFN
  • TLSH
    T188C59CFAAF5760EFC4E94A71C5729E304877EE11641F8C3A1EE0344CDBB689C1A2A517
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  adwarebackdoor0defense_evasiondiscoverydownloaderexecutionberbewcobaltstrikefloxifgofingkawaiiunicornnominatuscryptosnojanvilselxmriginstallerminerpersistenceransomwarespywaretrojanupx

  • Adds autorun key to be loaded by Explorer.exe on startup

    persistence

  • Cobalt Strike reflective loader

    Detects the reflective loader used by Cobalt Strike.

  • Deletes Windows Defender Definitions

    Uses mpcmdrun utility to delete all AV definitions.

    defense_evasion

  • Detects KawaiiUnicorn

  • Detects NominatusCrypto C# variant

  • Detects NominatusCrypto DOS executable variant

  • Detects Vilsel trojan

  • Family: Berbew

    Berbew is a backdoor written in C++.

    backdoorberbew

  • Family: Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike

  • Family: Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    backdoortrojanfloxif

  • Family: Gofing

    Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.

    ransomwaregofing

  • Family: KawaiiUnicorn

    KawaiiUnicorn is a trojan written in Visual Basic.

    trojankawaiiunicorn

  • Family: NominatusCrypto,NominatusStorm

    NominatusCrypto aka NominatusStorm is a ransomware written in C#.

    ransomwarenominatuscrypto

  • Family: Snojan

    Snojan is a downloader used to drop and execute other malware.

    downloadersnojan

  • Family: Vilsel

    Vilsel is a trojan written in VisualBasic.

    trojanvilsel

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig

  • Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.

  • Detects Floxif payload

    backdoor

  • XMRig Miner payload

    miner

  • Drops file in Drivers directory

  • Patched UPX-packed file

    Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

  • ACProtect 1.3x - 1.4x DLL software

    Detects file using ACProtect software.

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • Stops running service(s)

    defense_evasionexecution

  • Adds Run key to start application

    persistence

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Downloads MZ/PE file

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks computer location settings

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

  • ConfuserEx .NET packer

    Detects ConfuserEx .NET packer.

  • Drops file in System32 directory

  • Modifies WinLogon for persistence

    persistence

  • UPX packed file

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

    upx
  behavioral1