Overview

overview

10

Static

static

8

d85188c58a...in.exe

windows7_x64

10

d85188c58a...in.exe

windows10_x64

10

Analysis

  • max time kernel
    52s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-03-2021 22:23

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General

  • Target

    d85188c58acb395ae88ad2be1f48044090eb03f125c97692c20787b933bbbd1a.bin.exe

  • Size

    2.5MB

  • MD5

    1a2978ce842c0d4c2fc309801cbbcabb

  • SHA1

    45adb2e2ee26e9221b76e71180dc955b7c9eff70

  • SHA256

    d85188c58acb395ae88ad2be1f48044090eb03f125c97692c20787b933bbbd1a

  • SHA512

    5cefd6c89153259835cdd0e4be1c68bf61ccf25c63c8a2bcf78e0bcbde354ca588e39e06699820ca4da488f3e69a14e04f89d25cd1be6c01c80fb210f9da23ac

Score
10/10
snatchransomwarespywarestealerupx

Malware Config

Extracted

Path

C:\Boot\Fonts\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
Hello! All your files are encrypted and only we can decrypt them. Contact us: [email protected] or [email protected] Write us if you want to return your files - we can do it very quickly! The header of letter must contain extension of encrypted files. We always reply within 24 hours. If not - check spam folder, resend your letter or try send letter from another email service (like protonmail.com). Attention! Do not rename or edit encrypted files: you may have permanent data loss. Do not edit or delete any virtual machines files To prove that we can recover your files, we am ready to decrypt any three files (less than 1Mb) for free (except databases, Excel and backups). HURRY UP! If you do not email us in the next 48 hours then your data may be lost permanently.

Signatures

  • Detecting the common Go functions and variables names used by Snatch ransomware 1 IoCs
  • Snatch Ransomware

    Ransomware family generally distributed through RDP bruteforce attacks.

    ransomwaresnatch
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • UPX packed file 1 IoCs

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

    upx
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d85188c58acb395ae88ad2be1f48044090eb03f125c97692c20787b933bbbd1a.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\d85188c58acb395ae88ad2be1f48044090eb03f125c97692c20787b933bbbd1a.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3084
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\hldyoaabeiftjxxdm.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\system32\sc.exe
        SC QUERY
        3⤵
          PID:1208
        • C:\Windows\system32\findstr.exe
          FINDSTR SERVICE_NAME
          3⤵
            PID:1440
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\mdfeihnituwxwb.bat
          2⤵
            PID:2536
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\yipevchsg.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4036
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              3⤵
              • Interacts with shadow copies
              PID:3400
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ubdgevrisguvioeyun.bat
            2⤵
              PID:2928
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1564

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/3084-2-0x0000000000400000-0x00000000008C6000-memory.dmp

            Filesize

            4.8MB

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