Analysis

  • max time kernel
    157s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19-02-2022 19:52

General

  • Target

    90eb1da7f70bbe9d1c0cbbb71edaf7649ff4e71241c0a27f8ce44c7699f12ac3.exe

  • Size

    40KB

  • MD5

    64fbb3cd9f96962d741c1ca0665182d7

  • SHA1

    d28ad68ac0836b699ad53ab207746fa33f70b6d8

  • SHA256

    90eb1da7f70bbe9d1c0cbbb71edaf7649ff4e71241c0a27f8ce44c7699f12ac3

  • SHA512

    5ef84f987fd8746b2b1c17e7d772168b285fae1f20472ac5cd494f0cf862c15c3bc1c64898b0ea6476b349e8b9a48b3d0ca32b92fa7ce4d1339123cf812ed53c

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90eb1da7f70bbe9d1c0cbbb71edaf7649ff4e71241c0a27f8ce44c7699f12ac3.exe
    "C:\Users\Admin\AppData\Local\Temp\90eb1da7f70bbe9d1c0cbbb71edaf7649ff4e71241c0a27f8ce44c7699f12ac3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2308
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2124
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2964
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1932

Network

MITRE ATT&CK Enterprise v6

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Downloads