Resubmissions

28-09-2021 20:55

210928-zqxg7adaf7 10

18-09-2021 09:16

210918-k8f6lahbf4 10

Analysis

  • max time kernel
    75s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    18-09-2021 09:16

General

  • Target

    093f098e70cc57a17d02323cbe6cd484.exe

  • Size

    78KB

  • MD5

    093f098e70cc57a17d02323cbe6cd484

  • SHA1

    134239f63291d00a604e619ffafb0bf3a05e5a80

  • SHA256

    ae6020a06d2a95cbe91b439f4433e87d198547dec629ab0900ccfe17e729cff1

  • SHA512

    6ff0dc0e19c1fd716065e7c2ddf7081f7ece50925f6cedbfc8f2e3595c66ba408678958cd7b6ec0a5fcf2e82c13cef94f8f5d6ea805f9e707b292f6eb97e9403

Score
10/10

Malware Config

Extracted

Path

C:\Help Restore Your Files.txt

Ransom Note
ATTENTION! Don't worry, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you Delta Plus 2.3. This software will decrypt all your encrypted files. What guarantees you have? Payment can be made in Bitcoin only. Contact: [email protected] Bitcoin Address: 3JG36KY6abZTnHBdQCon1hheC3Wa2bdyqs 1. Decoding cost The cost of decryption is $6500 dollars USD. We receive payment only in BITCOINS. (Bitcoin is a form of digital currency) Discount 50% available if you contact us first 72 hours, that's price for you is $3250 dollars USD. 2. Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Do not trust anyone! Only we have keys to your files! Without this keys restore your data is impossible. 3. Free decryption as guarantee You can send us up to 1 file for free decryption. Size of file must be less than 1 Mb (non archived). We don`t decrypt for test DATABASE, XLS and other important files. Remember this. 4. Decryption process: To decrypt the files, transfer money to our bitcoin wallet number: "3JG36KY6abZTnHBdQCon1hheC3Wa2bdyqs". As we receive the money we will send you: 1. Decryption program. 2. Detailed instruction for decryption. 3. And individual keys for decrypting your files. 5. The process of buying bitcoins: The easiest way to buy bitcoins: https://bitfy.app/ https://localbitcoins.com/ https://www.bitpanda.com/ https://paxful.com/ https://www.abra.com/ IMPORTANT! Don`t use coinbase! it take more than 2 week to make coinbase verification. P.S. The easiest way to buy bitcoins in CHINA: https://www.huobi.com/ https://www.bitoex.com/
Wallets

3JG36KY6abZTnHBdQCon1hheC3Wa2bdyqs

URLs

https://bitfy.app/

https://www.bitpanda.com/

https://paxful.com/

https://www.abra.com/

https://www.huobi.com/

https://www.bitoex.com/

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe
    "C:\Users\Admin\AppData\Local\Temp\093f098e70cc57a17d02323cbe6cd484.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3604
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1200
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/396-117-0x0000000000000000-mapping.dmp

  • memory/1200-118-0x0000000000000000-mapping.dmp

  • memory/1768-115-0x0000000000000000-mapping.dmp

  • memory/3604-116-0x0000000000000000-mapping.dmp