Overview

overview

10

Static

static

5061395e96...a0.exe

windows7-x64

10

5061395e96...a0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2022 03:17

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General

  • Target

    5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0.exe

  • Size

    396KB

  • MD5

    15667babdcdd88ee08174a39c86b00ad

  • SHA1

    19ed09bbe8711e7e0b9a6b7664538559a86d312d

  • SHA256

    5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0

  • SHA512

    e9688e3c981eb1ff0f822dfc2c1a75c570d518b28c8b324b54f4e4fe626cd78ab39171a9f0a61f54eb1e602d941f7faa456aec169bd2379854e7fa411a6fec4a

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1178428168-2939480073-3055857545-1000\Recovery+arthf.txt

Family

teslacrypt

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 BITCOIN 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://tt54rfdjhb34rfbnknaerg.milerteddy.com/8ED1D1A6DDDCC4E 2. http://kkd47eh4hdjshb5t.angortra.at/8ED1D1A6DDDCC4E 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/8ED1D1A6DDDCC4E 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 3. Type in the address bar: xlowfznrg4wf7dli.onion/8ED1D1A6DDDCC4E 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/8ED1D1A6DDDCC4E http://kkd47eh4hdjshb5t.angortra.at/8ED1D1A6DDDCC4E http://ytrest84y5i456hghadefdsd.pontogrot.com/8ED1D1A6DDDCC4E *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/8ED1D1A6DDDCC4E
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/8ED1D1A6DDDCC4E

http://kkd47eh4hdjshb5t.angortra.at/8ED1D1A6DDDCC4E

http://ytrest84y5i456hghadefdsd.pontogrot.com/8ED1D1A6DDDCC4E

http://xlowfznrg4wf7dli.ONION/8ED1D1A6DDDCC4E

Signatures

  • TeslaCrypt, AlphaCrypt

    Ransomware based on CryptoLocker. Shut down by the developers in 2016.

    ransomwareteslacrypt
  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0.exe
    "C:\Users\Admin\AppData\Local\Temp\5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0.exe
      "C:\Users\Admin\AppData\Local\Temp\5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:456
      • C:\Windows\xkxappkumqfi.exe
        C:\Windows\xkxappkumqfi.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\xkxappkumqfi.exe
          C:\Windows\xkxappkumqfi.exe
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • 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:4888
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /noin teractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4260
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\506139~1.EXE
        3⤵
          PID:916

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\xkxappkumqfi.exe
      Filesize

      396KB

      MD5

      15667babdcdd88ee08174a39c86b00ad

      SHA1

      19ed09bbe8711e7e0b9a6b7664538559a86d312d

      SHA256

      5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0

      SHA512

      e9688e3c981eb1ff0f822dfc2c1a75c570d518b28c8b324b54f4e4fe626cd78ab39171a9f0a61f54eb1e602d941f7faa456aec169bd2379854e7fa411a6fec4a

      Download Submit

    • C:\Windows\xkxappkumqfi.exe
      Filesize

      396KB

      MD5

      15667babdcdd88ee08174a39c86b00ad

      SHA1

      19ed09bbe8711e7e0b9a6b7664538559a86d312d

      SHA256

      5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0

      SHA512

      e9688e3c981eb1ff0f822dfc2c1a75c570d518b28c8b324b54f4e4fe626cd78ab39171a9f0a61f54eb1e602d941f7faa456aec169bd2379854e7fa411a6fec4a

      Download Submit

    • C:\Windows\xkxappkumqfi.exe
      Filesize

      396KB

      MD5

      15667babdcdd88ee08174a39c86b00ad

      SHA1

      19ed09bbe8711e7e0b9a6b7664538559a86d312d

      SHA256

      5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0

      SHA512

      e9688e3c981eb1ff0f822dfc2c1a75c570d518b28c8b324b54f4e4fe626cd78ab39171a9f0a61f54eb1e602d941f7faa456aec169bd2379854e7fa411a6fec4a

      Download Submit

    • memory/456-131-0x0000000000000000-mapping.dmp

      Download

    • memory/456-132-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/456-133-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/456-135-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/456-136-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/456-141-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/916-140-0x0000000000000000-mapping.dmp

      Download

    • memory/2084-134-0x0000000000B90000-0x0000000000B93000-memory.dmp

      Filesize

      12KB

      Download

    • memory/2084-130-0x0000000000B90000-0x0000000000B93000-memory.dmp

      Filesize

      12KB

      Download

    • memory/2716-137-0x0000000000000000-mapping.dmp

      Download

    • memory/4260-148-0x0000000000000000-mapping.dmp

      Download

    • memory/4888-142-0x0000000000000000-mapping.dmp

      Download

    • memory/4888-145-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4888-146-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4888-147-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4888-149-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download