Overview

overview

10

Static

static

46c1eb1592...77.exe

windows7_x64

10

46c1eb1592...77.exe

windows10-2004_x64

3

Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-07-2022 07:48

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General

  • Target

    46c1eb1592fa4c5968fe7dfed52d1d05059fbb3ab1de223fc18bfcad2415f777.exe

  • Size

    360KB

  • MD5

    2c3d030922af0eda62e2d4d258665088

  • SHA1

    c378e9cf2c919d3690fe13711122401e00f7ee80

  • SHA256

    46c1eb1592fa4c5968fe7dfed52d1d05059fbb3ab1de223fc18bfcad2415f777

  • SHA512

    5d06518c9ab6a8118dcde5710c61630866f6dcfc98152c1da3227a7023bab678870682af76e3364df5fd1a64abf83244a81e9ebd6273803652fad74fdbccbf0e

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2277218442-1199762539-2004043321-1000\Recovery+hyski.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/B76B469C838DDA6F 2. http://tes543berda73i48fsdfsd.keratadze.at/B76B469C838DDA6F 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/B76B469C838DDA6F 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/B76B469C838DDA6F 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/B76B469C838DDA6F http://tes543berda73i48fsdfsd.keratadze.at/B76B469C838DDA6F http://tt54rfdjhb34rfbnknaerg.milerteddy.com/B76B469C838DDA6F *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/B76B469C838DDA6F
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/B76B469C838DDA6F

http://tes543berda73i48fsdfsd.keratadze.at/B76B469C838DDA6F

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/B76B469C838DDA6F

http://xlowfznrg4wf7dli.ONION/B76B469C838DDA6F

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 1 IoCs
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Deletes itself 1 IoCs
  • Drops startup file 3 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
  • 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\46c1eb1592fa4c5968fe7dfed52d1d05059fbb3ab1de223fc18bfcad2415f777.exe
    "C:\Users\Admin\AppData\Local\Temp\46c1eb1592fa4c5968fe7dfed52d1d05059fbb3ab1de223fc18bfcad2415f777.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\hnlgkmwsnqbu.exe
      C:\Windows\hnlgkmwsnqbu.exe
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:960
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\46C1EB~1.EXE
      2⤵
      • Deletes itself
      PID:1752
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\hnlgkmwsnqbu.exe
    Filesize

    360KB

    MD5

    2c3d030922af0eda62e2d4d258665088

    SHA1

    c378e9cf2c919d3690fe13711122401e00f7ee80

    SHA256

    46c1eb1592fa4c5968fe7dfed52d1d05059fbb3ab1de223fc18bfcad2415f777

    SHA512

    5d06518c9ab6a8118dcde5710c61630866f6dcfc98152c1da3227a7023bab678870682af76e3364df5fd1a64abf83244a81e9ebd6273803652fad74fdbccbf0e

    Download Submit

  • C:\Windows\hnlgkmwsnqbu.exe
    Filesize

    360KB

    MD5

    2c3d030922af0eda62e2d4d258665088

    SHA1

    c378e9cf2c919d3690fe13711122401e00f7ee80

    SHA256

    46c1eb1592fa4c5968fe7dfed52d1d05059fbb3ab1de223fc18bfcad2415f777

    SHA512

    5d06518c9ab6a8118dcde5710c61630866f6dcfc98152c1da3227a7023bab678870682af76e3364df5fd1a64abf83244a81e9ebd6273803652fad74fdbccbf0e

    Download Submit

  • memory/948-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/948-56-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

    Download

  • memory/948-55-0x0000000001FD0000-0x0000000001FFF000-memory.dmp

    Filesize

    188KB

    Download

  • memory/948-61-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

    Download

  • memory/960-57-0x0000000000000000-mapping.dmp

    Download

  • memory/960-62-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

    Download

  • memory/960-64-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

    Download

  • memory/1752-60-0x0000000000000000-mapping.dmp

    Download

  • memory/1956-65-0x0000000000000000-mapping.dmp

    Download