Analysis

  • max time kernel
    30s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/02/2026, 15:57

General

  • Target
    e7f04f0ee06f2addd4f33ecddfd4981d5f7a05f0a596d02acb630cb5377beac0.exe
  • Size 19KB
  • Sample260204-td8rssdz7a
  • SHA256 e7f04f0ee06f2addd4f33ecddfd4981d5f7a05f0a596d02acb630cb5377beac0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Smert

    Smert is a ransomware that has been active since 2024.

  • Smert family
  • Renames multiple (712) files with added filename extension

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

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7f04f0ee06f2addd4f33ecddfd4981d5f7a05f0a596d02acb630cb5377beac0.exe
    "C:\Users\Admin\AppData\Local\Temp\e7f04f0ee06f2addd4f33ecddfd4981d5f7a05f0a596d02acb630cb5377beac0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\e7f04f0ee06f2addd4f33ecddfd4981d5f7a05f0a596d02acb630cb5377beac0.exe
      "C:\Users\Admin\AppData\Local\Temp\e7f04f0ee06f2addd4f33ecddfd4981d5f7a05f0a596d02acb630cb5377beac0.exe" --foodsum
      2⤵
      • Drops file in Drivers directory
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      PID:4432

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        wmpnssci.dll.mui.smert

        • Path C:\Program Files\Windows Media Player\en-US\wmpnssci.dll.mui.smert
        • Size 4KB
        • SHA256 1d73ef6466948588e619988ff4c0fc909fdc0ce173961a8424dcbe12392ed675
        • MD5 SHA1 SHA512 SSDEEP TLSH

        README.txt

        • Path C:\Users\Admin\Documents\README.txt
        • Size 138B
        • SHA256 9bb7976aebf8f689b9484d307655cc961a726a670c45ae2d63460fb0dac48aab
        • MD5 SHA1 SHA512 TLSH

        StartEnter.MOD.smert

        • Path C:\Users\Admin\Downloads\StartEnter.MOD.smert
        • Size 836KB
        • SHA256 02ed81015d836cb147b6fc9cb4141dd327461bf27b1618790a741266aa6078d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sseriffg.fon.smert

        • Path C:\Windows\Fonts\sseriffg.fon.smert
        • Size 88KB
        • SHA256 a720741b84346c9c087be604187abf6fdd43b8e732efe6f9135fec1d9189bbc1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Ring09.wav.smert

        • Path C:\Windows\Media\Ring09.wav.smert
        • Size 848KB
        • SHA256 3b61aa60f1fd3ccc37ba39c7736dea6af503085318dac77ddedec4749e97d085
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsProducts.adml.smert

        • Path C:\Windows\PolicyDefinitions\en-US\WindowsProducts.adml.smert
        • Size 5KB
        • SHA256 33cdd460259652b9c882137c0342659236c18e336a48d56de806155438f77a4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CredentialProviders.adml.smert

        • Path C:\Windows\PolicyDefinitions\it-IT\CredentialProviders.adml.smert
        • Size 8KB
        • SHA256 19e6fd3a206e446fd5abe105fab9953ea7d2fe97cf0b0a2382770b7e7efd4b51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DRIVERS.LOG1.smert

        • Path C:\Windows\System32\config\DRIVERS.LOG1.smert
        • Size 128KB
        • SHA256 6ea24f861c713fd5d9bb4b14e211ea200015a0bf1590039ff241b66ba59a050c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StorageContextHandler.dll.mui.smert

        • Path C:\Windows\System32\de-DE\StorageContextHandler.dll.mui.smert
        • Size 3KB
        • SHA256 184e15cd28f2939a14e3b170f4a382ebea841755454b3605a70737b78c7001d8
        • MD5 SHA1 SHA512 TLSH

        dsregtask.dll.mui.smert

        • Path C:\Windows\System32\de-DE\dsregtask.dll.mui.smert
        • Size 3KB
        • SHA256 85eed7a951473a443a9bdabe53fe527cc047fcd6a014e59efe50d675bf8fdd72
        • MD5 SHA1 SHA512 TLSH

        scrnsave.scr.mui.smert

        • Path C:\Windows\System32\de-DE\scrnsave.scr.mui.smert
        • Size 3KB
        • SHA256 25de571346d37f3645b03c39a1d0e7ee5822770c577166c99e9f3c2a2d821c43
        • MD5 SHA1 SHA512 TLSH