Overview

overview

10

Static

static

5d869c0e07...in.exe

windows7_x64

10

5d869c0e07...in.exe

windows10_x64

10

Analysis

  • max time kernel
    76s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20-08-2020 21:16

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General

  • Target

    5d869c0e077596bf0834f08dce062af1477bf09c8f6aa0a45d6a080478e45512.bin.exe

  • Size

    69KB

  • MD5

    c0bf14556a1563cea82f34b0faf70822

  • SHA1

    e6e232fa7cc93f11bf63487066adccd02006f214

  • SHA256

    5d869c0e077596bf0834f08dce062af1477bf09c8f6aa0a45d6a080478e45512

  • SHA512

    0b23ec04e88a5152ed3fbd2d4927f543ea756c269ea06d93daacdd57a5a88bafbb7fb556764bc4a1532dfe2003ba4ad191fc259121d3ce685d76489d7c4afc42

Score
10/10
ransomwarespywarepersistencemailto_hamlampampom

Malware Config

Extracted

Path

C:\Users\Public\Libraries\F7D4B0-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .f7d4b0 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_f7d4b0: F687qGI9NTsbj+u5XcVuA8LcxnTXrEa8TW9NIMaRwkVaAH9tp0 JOOtvrxZ2m76Dc3BUPwgAUBofZkUkIUItFS/Co1i9c99VZNp6R qvRtDMHj1eC91UXgVgUc7kT6YYzr2xNrzbBmk1dylty4zoqiSN oNkJ8Kx83bSolH1QkHqdF4uOEidjGhgdOtOpavdh9sFldVQYY8 zkn1R5KE0ubBTt3aSzUPJ0RKjW9j7+U6ukV9EzCEw4Co2Zf6an poDCfn7BYlMj3rHobYIDJCKGg+mDbv4aDUk+PDaw==}

Extracted

Path

C:\Program Files\Microsoft Office\Office14\CONVERT\F7D4B0-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .f7d4b0 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_f7d4b0: F687qGI9NTsbj+u5XcVuA8LcxnTXrEa8TW9NIMaRwkVaAH9tp0 JOOtvrxZ2m76Dc3BUPwgAUBofZkUkIUItFS/Co1i9c99VZNp6R qvRtDMHj1eC91UXgVgUc7kT6YYzr2xNrzbBmk1dylty4zoqiSN oNkJ8Kx83bSolH1QkHqdF4uOEidjGhgdOtOpavdh9sFldVQYY8 zkn1R5KE0ubBTt3aSzUPJ0RKjW9j7+U6ukV9EzCEw4Co2Zf6an poDCfn7BYlMj3rHobYIDJCKGg+mDbv4aDUk+PDaw==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .f7d4b0 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_f7d4b0: F687qGI9NTsbj+u5XcVuA8LcxnTXrEa8TW9NIMaRwkVaAH9tp0 JOOtvrxZ2m76Dc3BUPwgAUBofZkUkIUItFS/Co1i9c99VZNp6R qvRtDMHj1eC91UXgVgUc7kT6YYzr2xNrzbBmk1dylty4zoqiSN oNkJ8Kx83bSolH1QkHqdF4uOEidjGhgdOtOpavdh9sFldVQYY8 zkn1R5KE0ubBTt3aSzUPJ0RKjW9j7+U6ukV9EzCEw4Co2Zf6an poDCfn7BYlMj3rHobYIDJCKGg+mDbv4aDUk+PDaw==}

Signatures

  • MailTo (Hamlampampom Variant)

    Ransomware family discovered in late 2019 with variants named based on contact emails.

    ransomwaremailto_hamlampampom
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 7504 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 19250 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d869c0e077596bf0834f08dce062af1477bf09c8f6aa0a45d6a080478e45512.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\5d869c0e077596bf0834f08dce062af1477bf09c8f6aa0a45d6a080478e45512.bin.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:796
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\F7D4B0-Readme.txt"
      2⤵
        PID:6436
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\5BC5.tmp.bat"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2860
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 112
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3952
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:6892

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\5BC5.tmp.bat
      Download Submit

    • C:\Users\Admin\Desktop\F7D4B0-Readme.txt
      Download Submit

    • memory/796-0-0x0000000000000000-mapping.dmp

      Download

    • memory/2860-6-0x0000000000000000-mapping.dmp

      Download

    • memory/3952-10-0x0000000000000000-mapping.dmp

      Download

    • memory/6436-3-0x0000000000000000-mapping.dmp

      Download