Overview

overview

10

Static

static

58061c1909...89.exe

windows7-x64

10

58061c1909...89.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 16:42

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General

  • Target

    58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89.exe

  • Size

    340KB

  • MD5

    668c2c58a444c028fbd491bc9afded1d

  • SHA1

    c2cd569613182b71066af0b605f01dc6be8e8508

  • SHA256

    58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89

  • SHA512

    14f39f3eb2511724d2ac2cc3f33c332920be5626c34de52894adf59a2c003db713cb882d34169f24bc4797d0db5ce77d80e569194b303cb21baeca5dacf63175

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2660308776-3705150086-26593515-1000\_RECOVERY_+shwgu.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/9F66185F7F364A28 2. http://tes543berda73i48fsdfsd.keratadze.at/9F66185F7F364A28 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/9F66185F7F364A28 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/9F66185F7F364A28 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/9F66185F7F364A28 http://tes543berda73i48fsdfsd.keratadze.at/9F66185F7F364A28 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/9F66185F7F364A28 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/9F66185F7F364A28
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/9F66185F7F364A28

http://tes543berda73i48fsdfsd.keratadze.at/9F66185F7F364A28

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/9F66185F7F364A28

http://xlowfznrg4wf7dli.ONION/9F66185F7F364A28

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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 6 IoCs
  • 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\58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89.exe
    "C:\Users\Admin\AppData\Local\Temp\58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Local\Temp\58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89.exe
      "C:\Users\Admin\AppData\Local\Temp\58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\wfywkiprmqfu.exe
        C:\Windows\wfywkiprmqfu.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4000
        • C:\Windows\wfywkiprmqfu.exe
          C:\Windows\wfywkiprmqfu.exe
          4⤵
          • Executes dropped EXE
          • Modifies extensions of user files
          • Checks computer location settings
          • Drops startup file
          • 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:4184
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1544
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\58061C~1.EXE
        3⤵
          PID:1380
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2760

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\wfywkiprmqfu.exe
      Filesize

      340KB

      MD5

      668c2c58a444c028fbd491bc9afded1d

      SHA1

      c2cd569613182b71066af0b605f01dc6be8e8508

      SHA256

      58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89

      SHA512

      14f39f3eb2511724d2ac2cc3f33c332920be5626c34de52894adf59a2c003db713cb882d34169f24bc4797d0db5ce77d80e569194b303cb21baeca5dacf63175

      Download Submit

    • C:\Windows\wfywkiprmqfu.exe
      Filesize

      340KB

      MD5

      668c2c58a444c028fbd491bc9afded1d

      SHA1

      c2cd569613182b71066af0b605f01dc6be8e8508

      SHA256

      58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89

      SHA512

      14f39f3eb2511724d2ac2cc3f33c332920be5626c34de52894adf59a2c003db713cb882d34169f24bc4797d0db5ce77d80e569194b303cb21baeca5dacf63175

      Download Submit

    • C:\Windows\wfywkiprmqfu.exe
      Filesize

      340KB

      MD5

      668c2c58a444c028fbd491bc9afded1d

      SHA1

      c2cd569613182b71066af0b605f01dc6be8e8508

      SHA256

      58061c1909f91911679bd27a57c19110396ee63a83014bac98ad4bd493234a89

      SHA512

      14f39f3eb2511724d2ac2cc3f33c332920be5626c34de52894adf59a2c003db713cb882d34169f24bc4797d0db5ce77d80e569194b303cb21baeca5dacf63175

      Download Submit

    • memory/1380-140-0x0000000000000000-mapping.dmp

      Download

    • memory/1468-141-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1468-131-0x0000000000000000-mapping.dmp

      Download

    • memory/1468-132-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1468-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1468-135-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1468-136-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1544-148-0x0000000000000000-mapping.dmp

      Download

    • memory/2216-134-0x00000000023C0000-0x00000000023C3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/2216-130-0x00000000023C0000-0x00000000023C3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4000-137-0x0000000000000000-mapping.dmp

      Download

    • memory/4184-142-0x0000000000000000-mapping.dmp

      Download

    • memory/4184-145-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4184-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4184-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4184-149-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download