General

  • Target
    mert219 hiyaki kaydeş priv pack.rar
  • Size 65KB
  • Sample260802-kalnesff45
  • SHA256 b9632aa8ada5325939af3c2c36366fe6d0976f2dfef4e5a746678f3573bddf8b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • umbral

Version
  • v1.3

C2
  • https://discord.com/api/webhooks/1346577857404473364/Hsle3tL1AkJN5gwoF3Eb16GgYolgOvOdOOV94PlZ7dd-oqhcsF7nZAFBepwyV9eKneeb

  • https://discord.com/api/webhooks/1346581878009761864/7HSOkD7Zbc5WWaXyfJ2kbOAa50wgTXkvdMhXo_A-WJIjqWhrhj_E3ILsCRYLeVUDENe5

  • https://discord.com/api/webhooks/1346578492740993139/ud7wrq99HLGOYj6ec9HYbG9w9pFL2V4jzaE55eR0ba4IT0HRTN_zVqmrPMqnpSGWcRhI

Targets

    • Target
      mert219 hiyaki kaydeş priv pack.rar
    • Size 65KB
    • SHA256 b9632aa8ada5325939af3c2c36366fe6d0976f2dfef4e5a746678f3573bddf8b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • A stealer written in Python and packaged with Pyinstaller

    • Detects Umbral payload

    • Family: Umbral

      Umbral stealer is an open-source modular stealer written in C#.

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • UPX packed file

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

    • Target
      mert219 hiyaki kaydeş priv pack/assets/minecraft/sounds.json
    • Size 551KB
    • SHA256 c37d3d4eff899680bb2892d611e68644f32f7470bb54953affe94cd2031df9cd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      mert219 hiyaki kaydeş priv pack/assets/minecraft/sounds/item/totem/use_totem.ogg
    • Size 19KB
    • SHA256 229ddfa10b80946b443cb944fc7886df6d04ab1ae42cdf7b4a81a153445609b5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Enumerates connected drives

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

    • Target
      mert219 hiyaki kaydeş priv pack/assets/minecraft/textures/item/totem_of_undying.png
    • Size 352B
    • SHA256 caeff8c3e05b3fa9d82c667a36ace3e74d40aafedbb5c3b6779478492b7a231c
    • MD5 SHA1 SHA512 TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

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

    • Target
      mert219 hiyaki kaydeş priv pack/pack.mcmeta
    • Size 98B
    • SHA256 f26d5d2e505e0d1b2ecf92548b3d9c2d11a2e254c41dcbba0d5934bab10ca266
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      mert219 hiyaki kaydeş priv pack/pack.png
    • Size 11KB
    • SHA256 2644348421feea4163d140374c7ed809fa54face1789e27a1601f25aafc23ddc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks