Overview

overview

10

Static

static

429c7d9da9...f4.exe

windows7_x64

10

429c7d9da9...f4.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-07-2022 01:58

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General

  • Target

    429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4.exe

  • Size

    418KB

  • MD5

    5a12efa968ba9182beca5d192342529f

  • SHA1

    4bac6715187a58c2ea324a4aa1a086a16be05084

  • SHA256

    429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4

  • SHA512

    866dc487d94d86e73ddda3b6a73c462beb576cdca396400acb9036ae57462613a47ed20bdfcd2d3a1b44f6f3fde2fc94b44314eaf1e3f602b0096c9911de5925

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\_RECoVERY_+etswb.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9B1D97ED431E6B99 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9B1D97ED431E6B99 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/9B1D97ED431E6B99 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/9B1D97ED431E6B99 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9B1D97ED431E6B99 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9B1D97ED431E6B99 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/9B1D97ED431E6B99 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/9B1D97ED431E6B99
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/9B1D97ED431E6B99

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/9B1D97ED431E6B99

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/9B1D97ED431E6B99

http://xlowfznrg4wf7dli.ONION/9B1D97ED431E6B99

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 47 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4.exe
    "C:\Users\Admin\AppData\Local\Temp\429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4.exe
      "C:\Users\Admin\AppData\Local\Temp\429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\vdsfupnaitkv.exe
        C:\Windows\vdsfupnaitkv.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Windows\vdsfupnaitkv.exe
          C:\Windows\vdsfupnaitkv.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:952
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4112
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\429C7D~1.EXE
        3⤵
          PID:4480
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4788

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\vdsfupnaitkv.exe
      Filesize

      418KB

      MD5

      5a12efa968ba9182beca5d192342529f

      SHA1

      4bac6715187a58c2ea324a4aa1a086a16be05084

      SHA256

      429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4

      SHA512

      866dc487d94d86e73ddda3b6a73c462beb576cdca396400acb9036ae57462613a47ed20bdfcd2d3a1b44f6f3fde2fc94b44314eaf1e3f602b0096c9911de5925

      Download Submit

    • C:\Windows\vdsfupnaitkv.exe
      Filesize

      418KB

      MD5

      5a12efa968ba9182beca5d192342529f

      SHA1

      4bac6715187a58c2ea324a4aa1a086a16be05084

      SHA256

      429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4

      SHA512

      866dc487d94d86e73ddda3b6a73c462beb576cdca396400acb9036ae57462613a47ed20bdfcd2d3a1b44f6f3fde2fc94b44314eaf1e3f602b0096c9911de5925

      Download Submit

    • C:\Windows\vdsfupnaitkv.exe
      Filesize

      418KB

      MD5

      5a12efa968ba9182beca5d192342529f

      SHA1

      4bac6715187a58c2ea324a4aa1a086a16be05084

      SHA256

      429c7d9da94ad491151a1d2c09c248bddf02ff53ceccb3bca4463ba8c025bdf4

      SHA512

      866dc487d94d86e73ddda3b6a73c462beb576cdca396400acb9036ae57462613a47ed20bdfcd2d3a1b44f6f3fde2fc94b44314eaf1e3f602b0096c9911de5925

      Download Submit

    • memory/952-150-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/952-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/952-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/952-143-0x0000000000000000-mapping.dmp

      Download

    • memory/952-148-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2496-137-0x0000000000000000-mapping.dmp

      Download

    • memory/3668-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3668-136-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3668-141-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3668-142-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3668-134-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3668-132-0x0000000000000000-mapping.dmp

      Download

    • memory/4060-135-0x0000000000670000-0x0000000000674000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4060-130-0x0000000000670000-0x0000000000674000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4060-131-0x0000000000670000-0x0000000000674000-memory.dmp

      Filesize

      16KB

      Download

    • memory/4112-149-0x0000000000000000-mapping.dmp

      Download

    • memory/4480-140-0x0000000000000000-mapping.dmp

      Download