Overview

overview

10

Static

static

4f7bdda79e...60.exe

windows7_x64

10

4f7bdda79e...60.exe

windows10_x64

10

Analysis

  • max time kernel
    85s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    17-09-2020 23:40

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General

  • Target

    4f7bdda79e389d6660fca8e2a90a175307a7f615fa7673b10ee820d9300b5c60.exe

  • Size

    65KB

  • MD5

    eaef25ab1f59492ffc735a386294b69f

  • SHA1

    76cc795c39cc19465c24825dc5ebafd7f944ea7e

  • SHA256

    4f7bdda79e389d6660fca8e2a90a175307a7f615fa7673b10ee820d9300b5c60

  • SHA512

    a812186ff05baa0c194abc2b4becc145f312b885068773f994658ecac2bfd8e1c85acdfe3774728541ed966f46a872d19fee17a53cc07f3f8e2e94be0cdef1c4

Score
10/10
ransomwarespywaremailto_hamlampampom

Malware Config

Extracted

Path

C:\74F16F-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .74f16f -- 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, you must know that your sensitive data has been stolen by our analyst experts and if you choose to no cooperate with us, you are exposing yourself to huge penalties with lawsuits and government if we both don't find an agreement. We have seen it before; cases with multi million costs in fines and lawsuits, not to mention the company reputation and loosing clients trust and the medias calling non-stop for answers. Come chat with us and you could be surprised on how fast we both can find an agreement without getting this incident public. -- 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_74f16f: jK8QL/S49VUKUo1AekjCQqOuf6hVv3Gv36pJ1Jr+CkLme/6mnY LmWuRUS+hTAGv06Fhw11p17dJ83MDxUTj4FWFCQtrhVqYhurP5 y85v8XT6CRKsq3Iu8qJsowhwTMLi1p5HJCLSTf1u9bHANiq+U9 fN7HxxnKlXCGXHlHuKx2/ZKAYVpVA2zxklOdxMUuzjDgVxyopu 0jvEl70ILS+OpH8EZIt4hJv5YqoAsZ/BF2Nv3YTPI9kjQA1VN7 Oeg5c9xm4gMH4TFKyApqSbg2adB+huctNh8L+dxg==}

Extracted

Path

C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Font\74F16F-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .74f16f -- 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, you must know that your sensitive data has been stolen by our analyst experts and if you choose to no cooperate with us, you are exposing yourself to huge penalties with lawsuits and government if we both don't find an agreement. We have seen it before; cases with multi million costs in fines and lawsuits, not to mention the company reputation and loosing clients trust and the medias calling non-stop for answers. Come chat with us and you could be surprised on how fast we both can find an agreement without getting this incident public. -- 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_74f16f: jK8QL/S49VUKUo1AekjCQqOuf6hVv3Gv36pJ1Jr+CkLme/6mnY LmWuRUS+hTAGv06Fhw11p17dJ83MDxUTj4FWFCQtrhVqYhurP5 y85v8XT6CRKsq3Iu8qJsowhwTMLi1p5HJCLSTf1u9bHANiq+U9 fN7HxxnKlXCGXHlHuKx2/ZKAYVpVA2zxklOdxMUuzjDgVxyopu 0jvEl70ILS+OpH8EZIt4hJv5YqoAsZ/BF2Nv3YTPI9kjQA1VN7 Oeg5c9xm4gMH4TFKyApqSbg2adB+huctNh8L+dxg==}Hi! Your files are encrypted. All encrypted files for this computer has extension: .74f16f -- 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, you must know that your sensitive data has been stolen by our analyst experts and if you choose to no cooperate with us, you are exposing yourself to huge penalties with lawsuits and government if we both don't find an agreement. We have seen it before; cases with multi million costs in fines and lawsuits, not to mention the company reputation and loosing clients trust and the medias calling non-stop for answers. Come chat with us and you could be surprised on how fast we both can find an agreement without getting this incident public. -- 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_74f16f: jK8QL/S49VUKUo1AekjCQqOuf6hVv3Gv36pJ1Jr+CkLme/6mnY LmWuRUS+hTAGv06Fhw11p17dJ83MDxUTj4FWFCQtrhVqYhurP5 y85v8XT6CRKsq3Iu8qJsowhwTMLi1p5HJCLSTf1u9bHANiq+U9 fN7HxxnKlXCGXHlHuKx2/ZKAYVpVA2zxklOdxMUuzjDgVxyopu 0jvEl70ILS+OpH8EZIt4hJv5YqoAsZ/BF2Nv3YTPI9kjQA1VN7 Oeg5c9xm4gMH4TFKyApqSbg2adB+huctNh8L+dxg==}

Signatures

  • MailTo (Hamlampampom Variant)

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

    ransomwaremailto_hamlampampom
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    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
  • Drops file in Program Files directory 7491 IoCs
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 12301 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f7bdda79e389d6660fca8e2a90a175307a7f615fa7673b10ee820d9300b5c60.exe
    "C:\Users\Admin\AppData\Local\Temp\4f7bdda79e389d6660fca8e2a90a175307a7f615fa7673b10ee820d9300b5c60.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\74F16F-Readme.txt"
      2⤵
        PID:4740
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\D440.tmp.bat"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:3880
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 1060
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5660

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\D440.tmp.bat
      Download Submit

    • C:\Users\Admin\Desktop\74F16F-Readme.txt
      Download Submit

    • memory/3880-6-0x0000000000000000-mapping.dmp

      Download

    • memory/4740-3-0x0000000000000000-mapping.dmp

      Download

    • memory/5660-10-0x0000000000000000-mapping.dmp

      Download