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Overview

overview

10

Static

static

ad4167dd02...88.exe

windows7-x64

10

ad4167dd02...88.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    143s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 04:14

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General

  • Target

    ad4167dd02f88576539c7b6e5fa544ab0814396b6f0d1d94d639d7dc8d981188.exe

  • Size

    334KB

  • MD5

    3074e336bbabbb8765cbf4be9dcde233

  • SHA1

    92aaf44e41cd553f257564191e0c07f273799c0a

  • SHA256

    ad4167dd02f88576539c7b6e5fa544ab0814396b6f0d1d94d639d7dc8d981188

  • SHA512

    706b58a72381cdfff30aaf25cbd9fccd25965c74d8565b42a189c53e4f0a877213fdbb39efe3207a811dbe5d8743459a603fe272705f8ecadc0da3277b5f6712

  • SSDEEP

    6144:m6EzsH/w4qOUazCMcyq2WWZ4voYHpd8OgajXddulUn+JUTbKNGse:9rw4oaS4qQ2zrv/n+iTUfe

Score
10/10
persistenceransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3845472200-3839195424-595303356-1000\how_recover+qut.txt

Ransom Note
__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BTC NOW, and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://jf73ndna34df.ceorldess.com/62A24A237B35519 2. http://fqa4dnfh5fsk4.tarsfee.com/62A24A237B35519 3. http://hrdsjrnvskdjnt.pay4softrn.com/62A24A237B35519 4. https://t7r67vsrpjcm5dfc.onion.to/62A24A237B35519 5. https://t7r67vsrpjcm5dfc.tor2web.org/62A24A237B35519 6. https://t7r67vsrpjcm5dfc.onion.cab/62A24A237B35519 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: t7r67vsrpjcm5dfc.onion/62A24A237B35519 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://jf73ndna34df.ceorldess.com/62A24A237B35519 http://fqa4dnfh5fsk4.tarsfee.com/62A24A237B35519 http://hrdsjrnvskdjnt.pay4softrn.com/62A24A237B35519 https://t7r67vsrpjcm5dfc.onion.to/62A24A237B35519 !!! Your personal page in TOR Browser: t7r67vsrpjcm5dfc.onion/62A24A237B35519 !!! Your personal identification ID: 62A24A237B35519 ========!!!!!========!!!!!========!!!!!========!!!!!========!!!!!========!!!!!========!!!!!========!!!!!========!!!!!
URLs

http://jf73ndna34df.ceorldess.com/62A24A237B35519

http://fqa4dnfh5fsk4.tarsfee.com/62A24A237B35519

http://hrdsjrnvskdjnt.pay4softrn.com/62A24A237B35519

https://t7r67vsrpjcm5dfc.onion.to/62A24A237B35519

https://t7r67vsrpjcm5dfc.tor2web.org/62A24A237B35519

https://t7r67vsrpjcm5dfc.onion.cab/62A24A237B35519

http://t7r67vsrpjcm5dfc.onion/62A24A237B35519

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad4167dd02f88576539c7b6e5fa544ab0814396b6f0d1d94d639d7dc8d981188.exe
    "C:\Users\Admin\AppData\Local\Temp\ad4167dd02f88576539c7b6e5fa544ab0814396b6f0d1d94d639d7dc8d981188.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Roaming\ydhulskhf2.exe
      C:\Users\Admin\AppData\Roaming\ydhulskhf2.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1524
      • C:\Windows\System32\vssadmin.exe
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\AD4167~1.EXE
      2⤵
      • Deletes itself
      PID:628
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:708

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\ydhulskhf2.exe
    Filesize

    334KB

    MD5

    3074e336bbabbb8765cbf4be9dcde233

    SHA1

    92aaf44e41cd553f257564191e0c07f273799c0a

    SHA256

    ad4167dd02f88576539c7b6e5fa544ab0814396b6f0d1d94d639d7dc8d981188

    SHA512

    706b58a72381cdfff30aaf25cbd9fccd25965c74d8565b42a189c53e4f0a877213fdbb39efe3207a811dbe5d8743459a603fe272705f8ecadc0da3277b5f6712

    Download Submit

  • C:\Users\Admin\AppData\Roaming\ydhulskhf2.exe
    Filesize

    334KB

    MD5

    3074e336bbabbb8765cbf4be9dcde233

    SHA1

    92aaf44e41cd553f257564191e0c07f273799c0a

    SHA256

    ad4167dd02f88576539c7b6e5fa544ab0814396b6f0d1d94d639d7dc8d981188

    SHA512

    706b58a72381cdfff30aaf25cbd9fccd25965c74d8565b42a189c53e4f0a877213fdbb39efe3207a811dbe5d8743459a603fe272705f8ecadc0da3277b5f6712

    Download Submit

  • \Users\Admin\AppData\Roaming\ydhulskhf2.exe
    Filesize

    334KB

    MD5

    3074e336bbabbb8765cbf4be9dcde233

    SHA1

    92aaf44e41cd553f257564191e0c07f273799c0a

    SHA256

    ad4167dd02f88576539c7b6e5fa544ab0814396b6f0d1d94d639d7dc8d981188

    SHA512

    706b58a72381cdfff30aaf25cbd9fccd25965c74d8565b42a189c53e4f0a877213fdbb39efe3207a811dbe5d8743459a603fe272705f8ecadc0da3277b5f6712

    Download Submit

  • memory/1388-54-0x0000000075E11000-0x0000000075E13000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1388-55-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB

    Download

  • memory/1388-60-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB

    Download

  • memory/1524-62-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB

    Download

  • memory/1524-64-0x0000000000400000-0x00000000004AA000-memory.dmp

    Filesize

    680KB

    Download