Overview

overview

10

Static

static

43fb7bf938...b9.exe

windows7_x64

10

43fb7bf938...b9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-07-2022 21:11

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General

  • Target

    43fb7bf938736abced7de012b8395088752387ddccce4521af977410c3b4a1b9.exe

  • Size

    424KB

  • MD5

    197ef937b8c32bec4f8a0db5b1e8df7f

  • SHA1

    735102b45ca1e87ed6fbc045cc41483e795dbf21

  • SHA256

    43fb7bf938736abced7de012b8395088752387ddccce4521af977410c3b4a1b9

  • SHA512

    0c24f36e6d466c19d4b20ebee30259a2e7d1cb3cd957708ab46b993433f510cc97d42bd192f6a9ceb0c517c88c56397189af3088083534a357ac017b4a4a1403

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1819626980-2277161760-1023733287-1000\_RECoVERY_+apagi.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/701751618A95D6A 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/701751618A95D6A 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/701751618A95D6A 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/701751618A95D6A 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/701751618A95D6A http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/701751618A95D6A http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/701751618A95D6A *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/701751618A95D6A
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/701751618A95D6A

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/701751618A95D6A

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/701751618A95D6A

http://xlowfznrg4wf7dli.ONION/701751618A95D6A

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 4 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 Internet Explorer settings 1 TTPs 25 IoCs
    adwarespyware
  • Modifies system certificate store 2 TTPs 6 IoCs
    evasionspywaretrojan
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\43fb7bf938736abced7de012b8395088752387ddccce4521af977410c3b4a1b9.exe
    "C:\Users\Admin\AppData\Local\Temp\43fb7bf938736abced7de012b8395088752387ddccce4521af977410c3b4a1b9.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Windows\hvqqcdtxsmaq.exe
      C:\Windows\hvqqcdtxsmaq.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:2044
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1884
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\RECOVERY.TXT
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:220
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\RECOVERY.HTM
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1936
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1936 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1256
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:364
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Windows\HVQQCD~1.EXE
        3⤵
          PID:580
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\43FB7B~1.EXE
        2⤵
        • Deletes itself
        PID:1432
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1216
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:1884

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads

    • C:\Users\Admin\Desktop\RECOVERY.HTM
      Filesize

      11KB

      MD5

      96752c71cc69ac9b09a0ebffdb18fcc1

      SHA1

      0d5f7e97a11ee71e48b6f9558357a6133327ab00

      SHA256

      189fc08f0fb3e53a196f3de0d38dc5869515a373faa7ae4a7bab06f72436131a

      SHA512

      923469606163914d39a917c970633fe872c9c7dfde05a4d714a063efed61f8879d162b44c2a212fb918879fe519e3f6ae7eb082619853b4aa0c6a3255d8cfb5a

      Download Submit

    • C:\Users\Admin\Desktop\RECOVERY.TXT
      Filesize

      1KB

      MD5

      ebdf74e5ffc30866e1dc6ebc0f0315a2

      SHA1

      74b00d9160424ce9fc92ae650bb58cd3896bcbdf

      SHA256

      a50b83f08bb0becb82b9cc0688ecb1065914f3185183b9b6ea0f6f168fd85dd8

      SHA512

      1a1e0b8bef808ac34f9bf65bb56a39c1a15067ef367f4aeb42c1d65a3af8f0db3a2d77e38ba393d2e5638e806bd606c0afd4706b52fb9b67c391b14b8a15926c

      Download Submit

    • C:\Users\Admin\Desktop\RECOVERY.png
      Filesize

      64KB

      MD5

      16906bf67da589b17b3c448b2025644b

      SHA1

      57c99ed92abf276ddf05383e65f46ecba42f3e23

      SHA256

      9df976caf76085d27ec25f2e9fc708c05dc3d4ad18c0c436e5467c3b1cd029d4

      SHA512

      08c1e8de96abb6bfe01857adaab84bcb7b0253d78a1a770bf37a1804868b3ed0ac2800a8d9ac6e6cf925cf9bce7ce9f4d6f498154488fca2fdde03fd63593055

      Download Submit

    • C:\Windows\hvqqcdtxsmaq.exe
      Filesize

      424KB

      MD5

      197ef937b8c32bec4f8a0db5b1e8df7f

      SHA1

      735102b45ca1e87ed6fbc045cc41483e795dbf21

      SHA256

      43fb7bf938736abced7de012b8395088752387ddccce4521af977410c3b4a1b9

      SHA512

      0c24f36e6d466c19d4b20ebee30259a2e7d1cb3cd957708ab46b993433f510cc97d42bd192f6a9ceb0c517c88c56397189af3088083534a357ac017b4a4a1403

      Download Submit

    • C:\Windows\hvqqcdtxsmaq.exe
      Filesize

      424KB

      MD5

      197ef937b8c32bec4f8a0db5b1e8df7f

      SHA1

      735102b45ca1e87ed6fbc045cc41483e795dbf21

      SHA256

      43fb7bf938736abced7de012b8395088752387ddccce4521af977410c3b4a1b9

      SHA512

      0c24f36e6d466c19d4b20ebee30259a2e7d1cb3cd957708ab46b993433f510cc97d42bd192f6a9ceb0c517c88c56397189af3088083534a357ac017b4a4a1403

      Download Submit

    • memory/220-71-0x0000000000000000-mapping.dmp

      Download

    • memory/364-75-0x0000000000000000-mapping.dmp

      Download

    • memory/580-78-0x0000000000000000-mapping.dmp

      Download

    • memory/1432-63-0x0000000000000000-mapping.dmp

      Download

    • memory/1664-54-0x0000000076011000-0x0000000076013000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1664-59-0x0000000000670000-0x00000000006F5000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1664-55-0x0000000000400000-0x00000000004AD000-memory.dmp

      Filesize

      692KB

      Download

    • memory/1884-70-0x0000000000000000-mapping.dmp

      Download

    • memory/2044-68-0x0000000001E90000-0x0000000001F15000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2044-64-0x0000000000400000-0x00000000004AD000-memory.dmp

      Filesize

      692KB

      Download

    • memory/2044-60-0x0000000000000000-mapping.dmp

      Download