Overview

overview

10

Static

static

10

74cfb2b965...11.exe

windows7-x64

10

74cfb2b965...11.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    129s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-08-2022 20:49

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General

  • Target

    74cfb2b96582ac00612a640e850fcb70e293a011.exe

  • Size

    4.8MB

  • MD5

    4ee3ecddd5f208f586b181af1ae0ce8f

  • SHA1

    74cfb2b96582ac00612a640e850fcb70e293a011

  • SHA256

    a165417d30d442cf63e14f467a44e08337f0e2229ba82b54b5aed17a6f4a7788

  • SHA512

    0a8b941969912b1ad0dd2eff5bee5f5dcfd822929a0cdb0c4eec5d898a66b951fd121008865c728c7a5ba7f7fba1f28ed1ba66994c75713319fbd25fdbb675c5

  • SSDEEP

    98304:fsfnH+0+buUdBMd5YcN8JYsJi2o3jXsisx:f4nH+0+uUdBAYniVTsjx

Score
10/10
snatchransomwareransomware_notespywarestealerupx

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
Hello! All your files are encrypted and only I can decrypt them. Contact me: [email protected] or [email protected] Write me if you want to return your files - I can do it very quickly! The header of letter must contain extension of encrypted files. I'm 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. To prove that I can recover your files, I am ready to decrypt any three files (less than 1Mb) for free (except databases, Excel and backups) HURRY UP! ! ! ! If you do not email me 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 3 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 19 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • UPX packed file 3 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
  • Often Ransomware samples write a note containing information on how to pay the ransom. 64 IoCs

    Often Ransomware samples write a note containing information on how to pay the ransom.

    ransomware_note
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 1 IoCs

    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\74cfb2b96582ac00612a640e850fcb70e293a011.exe
    "C:\Users\Admin\AppData\Local\Temp\74cfb2b96582ac00612a640e850fcb70e293a011.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\irlbfx.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Windows\system32\sc.exe
        SC QUERY
        3⤵
        • Launches sc.exe
        PID:2372
      • C:\Windows\system32\findstr.exe
        FINDSTR SERVICE_NAME
        3⤵
          PID:664
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\uhxjmddpl.bat
        2⤵
          PID:3440
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\pvxicdmsawowa.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3844
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3496
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\qexhmpiydrlppv.bat
          2⤵
            PID:380
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4020

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\irlbfx.bat
          Filesize

          43B

          MD5

          55310bb774fff38cca265dbc70ad6705

          SHA1

          cb8d76e9fd38a0b253056e5f204dab5441fe932b

          SHA256

          1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

          SHA512

          40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\pvxicdmsawowa.bat
          Filesize

          47B

          MD5

          2202e846ba05d7f0bb20adbc5249c359

          SHA1

          4115d2d15614503456aea14db61d71a756cc7b8c

          SHA256

          0965cb8ee38adedd9ba06bdad9220a35890c2df0e4c78d0559cd6da653bf740f

          SHA512

          cd6ce6d89a8e5f75724405bc2694b706819c3c554b042075d5eb47fdb75653235160ac8a85e7425a49d98f25b3886faaaec5599bcf66d20bf6115dc3af4ba9c7

          Download Submit

        • memory/380-142-0x0000000000000000-mapping.dmp

          Download

        • memory/664-135-0x0000000000000000-mapping.dmp

          Download

        • memory/1532-132-0x0000000000000000-mapping.dmp

          Download

        • memory/2372-134-0x0000000000000000-mapping.dmp

          Download

        • memory/3440-136-0x0000000000000000-mapping.dmp

          Download

        • memory/3496-141-0x0000000000000000-mapping.dmp

          Download

        • memory/3844-139-0x0000000000000000-mapping.dmp

          Download

        • memory/3908-137-0x0000000000400000-0x00000000008C7000-memory.dmp

          Filesize

          4.8MB

          Download

        • memory/3908-138-0x0000000000400000-0x00000000008C7000-memory.dmp

          Filesize

          4.8MB

          Download

        • memory/3908-143-0x0000000000400000-0x00000000008C7000-memory.dmp

          Filesize

          4.8MB

          Download