Overview

overview

10

Static

static

1899ff66b7...d0.ps1

windows7_x64

10

1899ff66b7...d0.ps1

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    17-09-2020 23:42

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General

  • Target

    1899ff66b76a3f6302fea0afbc26c8452949345d2ea6d987b683c6a0037f22d0.ps1

  • Size

    902KB

  • MD5

    49b3ed4c73d8d5a6613b725d40172590

  • SHA1

    07e30496992d7087674cf5542c78856f66ff7737

  • SHA256

    1899ff66b76a3f6302fea0afbc26c8452949345d2ea6d987b683c6a0037f22d0

  • SHA512

    026c0a58a56747cbb9efab721382924d6da48c65483325ec868c9c894ff601a0461fa3674f4fa01c570635521cc6e7e8c96efe8765fcf68aa7eb713df988e2a3

Score
10/10
ransomwarespywarepersistencemailto_hamlampampom

Malware Config

Extracted

Path

C:\Users\Admin\68C02D-Readme.txt

Family

mailto_hamlampampom

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .68c02d -- 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 losing 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_68c02d: vU5fuRH9SAFN2E+QtLrh5PtRDxaD/iouczKoIefxSO1rCqhhMO Dt8yOExp64Sh9QhqVvytaTl2f6Sr8ZF9GxKD7ebilOz0F2CB+0 ZzItwGjNJUhrvGDEZlX3fem/YufzNC0qH7KPIZPVcM457ddEeC tVyduiofDqqhNv6w/hOSoZUAlCDGW0EdUlw/wt5HzlxdV6nrd3 8meW5VPc3nACBaOAFwcrJ/q5nuYwFvhypJF39fyq1ollHINJGz h354lebXlL1CIBy/gzPcF+LuAEl5Nica9FtB33jQ==}

Signatures

  • MailTo (Hamlampampom Variant)

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

    ransomwaremailto_hamlampampom
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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 7490 IoCs
  • Suspicious behavior: EnumeratesProcesses 14409 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1899ff66b76a3f6302fea0afbc26c8452949345d2ea6d987b683c6a0037f22d0.ps1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\eyjinq2v\eyjinq2v.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2230.tmp" "c:\Users\Admin\AppData\Local\Temp\eyjinq2v\CSCDE2D0C9FBFF24ED4BF4F602C70BC12EC.TMP"
          4⤵
            PID:2008
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\jkbklvjf\jkbklvjf.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:432
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES280A.tmp" "c:\Users\Admin\AppData\Local\Temp\jkbklvjf\CSCBB7A0E9D3A84BEFB98CCF8E666FA265.TMP"
            4⤵
              PID:332
        • C:\Windows\system32\notepad.exe
          C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\68C02D-Readme.txt"
          2⤵
            PID:5628
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Modifies service
          • Suspicious use of AdjustPrivilegeToken
          PID:1220

        Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\RES2230.tmp
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        • C:\Users\Admin\AppData\Local\Temp\RES280A.tmp
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        • C:\Users\Admin\AppData\Local\Temp\eyjinq2v\eyjinq2v.dll
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        • C:\Users\Admin\AppData\Local\Temp\jkbklvjf\jkbklvjf.dll
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        • C:\Users\Admin\Desktop\68C02D-Readme.txt
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        • \??\c:\Users\Admin\AppData\Local\Temp\eyjinq2v\CSCDE2D0C9FBFF24ED4BF4F602C70BC12EC.TMP
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        • \??\c:\Users\Admin\AppData\Local\Temp\eyjinq2v\eyjinq2v.0.cs
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        • \??\c:\Users\Admin\AppData\Local\Temp\eyjinq2v\eyjinq2v.cmdline
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        • \??\c:\Users\Admin\AppData\Local\Temp\jkbklvjf\CSCBB7A0E9D3A84BEFB98CCF8E666FA265.TMP
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        • \??\c:\Users\Admin\AppData\Local\Temp\jkbklvjf\jkbklvjf.0.cs
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        • \??\c:\Users\Admin\AppData\Local\Temp\jkbklvjf\jkbklvjf.cmdline
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        • memory/316-2-0x000000001AB20000-0x000000001AB21000-memory.dmp

          Filesize

          4KB

          Download

        • memory/316-13-0x0000000002480000-0x0000000002482000-memory.dmp

          Filesize

          8KB

          Download

        • memory/316-22-0x00000000027B0000-0x00000000027B2000-memory.dmp

          Filesize

          8KB

          Download

        • memory/316-14-0x000000001C300000-0x000000001C301000-memory.dmp

          Filesize

          4KB

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        • memory/316-29-0x00000000027D0000-0x00000000027F2000-memory.dmp

          Filesize

          136KB

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        • memory/316-0-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

          Filesize

          9.9MB

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        • memory/316-5-0x000000001C750000-0x000000001C751000-memory.dmp

          Filesize

          4KB

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        • memory/316-28-0x00000000027D0000-0x00000000027F2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/316-23-0x00000000027D0000-0x00000000027F2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/316-3-0x0000000002450000-0x0000000002451000-memory.dmp

          Filesize

          4KB

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        • memory/316-1-0x0000000002370000-0x0000000002371000-memory.dmp

          Filesize

          4KB

          Download

        • memory/316-27-0x00000000027D0000-0x00000000027F2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/316-4-0x00000000023B0000-0x00000000023B1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/316-24-0x00000000027D0000-0x00000000027F2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/316-25-0x00000000027D0000-0x00000000027F2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/316-26-0x00000000027D0000-0x00000000027F2000-memory.dmp

          Filesize

          136KB

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        • memory/332-18-0x0000000000000000-mapping.dmp

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        • memory/432-15-0x0000000000000000-mapping.dmp

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        • memory/1296-31-0x0000000003F90000-0x0000000003FB2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/1988-6-0x0000000000000000-mapping.dmp

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        • memory/2008-9-0x0000000000000000-mapping.dmp

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        • memory/5628-32-0x0000000000000000-mapping.dmp

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