Analysis

  • max time kernel
    102s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    21-08-2020 01:12

General

  • Target

    57cf4470348e3b5da0fa3152be84a81a5e2ce5d794976387be290f528fa419fd.bin.exe

  • Size

    6.0MB

  • MD5

    ce305d1041a5d6068660ea08df86bedd

  • SHA1

    3a233709f22db2e63f41c9f095bc1bc3e1e6932d

  • SHA256

    57cf4470348e3b5da0fa3152be84a81a5e2ce5d794976387be290f528fa419fd

  • SHA512

    7221c97f14f5c25f7f2a04b2538c74d43f545ee1d422f1001ff70fc0e25d9942582a8f8884cfac40e5147c9c93b89842d1899c3a497290f37e33e4cb432de229

Malware Config

Extracted

Path

C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\B35060-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .b35060 -- 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_b35060: EavNPX2E59BmMGSW8l/+rLYnE0JjeEfamsi7CncJwLUkb4QBeI qy6vX3ZZ9dwLqX1h5KvXA8dfMlM4aIPwzbnKow1Wwg+f9VsEsr MBPtU10uF/dxJYGE9mdScVC0i7yfTnHVe0PMUtQxCrNqzH1rvL ZaqZhDQMu6tVSWEz2RB4epc95QNw716fItkGMVmTpaAnDYZd7X aak3jqDDLBPDlWOO6ytX7q4eev/bikkSPAS39HzK3ugmB1kqfP jJvze+xWvtK9qhKP61fYJ0WHJe9Px5tQ8rZfxGYQ==}

Extracted

Path

C:\Program Files\Java\jdk1.7.0_80\jre\B35060-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .b35060 -- 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_b35060: EavNPX2E59BmMGSW8l/+rLYnE0JjeEfamsi7CncJwLUkb4QBeI qy6vX3ZZ9dwLqX1h5KvXA8dfMlM4aIPwzbnKow1Wwg+f9VsEsr MBPtU10uF/dxJYGE9mdScVC0i7yfTnHVe0PMUtQxCrNqzH1rvL ZaqZhDQMu6tVSWEz2RB4epc95QNw716fItkGMVmTpaAnDYZd7X aak3jqDDLBPDlWOO6ytX7q4eev/bikkSPAS39HzK3ugmB1kqfP jJvze+xWvtK9qhKP61fYJ0WHJe9Px5tQ8rZfxGYQ==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .b35060 -- 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_b35060: EavNPX2E59BmMGSW8l/+rLYnE0JjeEfamsi7CncJwLUkb4QBeI qy6vX3ZZ9dwLqX1h5KvXA8dfMlM4aIPwzbnKow1Wwg+f9VsEsr MBPtU10uF/dxJYGE9mdScVC0i7yfTnHVe0PMUtQxCrNqzH1rvL ZaqZhDQMu6tVSWEz2RB4epc95QNw716fItkGMVmTpaAnDYZd7X aak3jqDDLBPDlWOO6ytX7q4eev/bikkSPAS39HzK3ugmB1kqfP jJvze+xWvtK9qhKP61fYJ0WHJe9Px5tQ8rZfxGYQ==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .b35060 -- 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_b35060: EavNPX2E59BmMGSW8l/+rLYnE0JjeEfamsi7CncJwLUkb4QBeI qy6vX3ZZ9dwLqX1h5KvXA8dfMlM4aIPwzbnKow1Wwg+f9VsEsr MBPtU10uF/dxJYGE9mdScVC0i7yfTnHVe0PMUtQxCrNqzH1rvL ZaqZhDQMu6tVSWEz2RB4epc95QNw716fItkGMVmTpaAnDYZd7X aak3jqDDLBPDlWOO6ytX7q4eev/bikkSPAS39HzK3ugmB1kqfP jJvze+xWvtK9qhKP61fYJ0WHJe9Px5tQ8rZfxGYQ==}

Extracted

Path

C:\Program Files\Java\jdk1.7.0_80\jre\lib\B35060-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .b35060 -- 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_b35060: EavNPX2E59BmMGSW8l/+rLYnE0JjeEfamsi7CncJwLUkb4QBeI qy6vX3ZZ9dwLqX1h5KvXA8dfMlM4aIPwzbnKow1Wwg+f9VsEsr MBPtU10uF/dxJYGE9mdScVC0i7yfTnHVe0PMUtQxCrNqzH1rvL ZaqZhDQMu6tVSWEz2RB4epc95QNw716fItkGMVmTpaAnDYZd7X aak3jqDDLBPDlWOO6ytX7q4eev/bikkSPAS39HzK3ugmB1kqfP jJvze+xWvtK9qhKP61fYJ0WHJe9Px5tQ8rZfxGYQ==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .b35060 -- 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_b35060: EavNPX2E59BmMGSW8l/+rLYnE0JjeEfamsi7CncJwLUkb4QBeI qy6vX3ZZ9dwLqX1h5KvXA8dfMlM4aIPwzbnKow1Wwg+f9VsEsr MBPtU10uF/dxJYGE9mdScVC0i7yfTnHVe0PMUtQxCrNqzH1rvL ZaqZhDQMu6tVSWEz2RB4epc95QNw716fItkGMVmTpaAnDYZd7X aak3jqDDLBPDlWOO6ytX7q4eev/bikkSPAS39HzK3ugmB1kqfP jJvze+xWvtK9qhKP61fYJ0WHJe9Px5tQ8rZfxGYQ==}

Signatures

  • MailTo (Hamlampampom Variant)

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

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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.

  • Modifies service 2 TTPs 5 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 7509 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18805 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57cf4470348e3b5da0fa3152be84a81a5e2ce5d794976387be290f528fa419fd.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\57cf4470348e3b5da0fa3152be84a81a5e2ce5d794976387be290f528fa419fd.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1048
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\B35060-Readme.txt"
      2⤵
        PID:4404
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\AE86.tmp.bat"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 776
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5732
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:6792

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\AE86.tmp.bat

    • C:\Users\Admin\Desktop\B35060-Readme.txt

    • memory/1048-0-0x0000000000000000-mapping.dmp

    • memory/2632-6-0x0000000000000000-mapping.dmp

    • memory/4404-3-0x0000000000000000-mapping.dmp

    • memory/5732-10-0x0000000000000000-mapping.dmp