Overview

overview

10

Static

static

5c38e38a7f...d6.exe

windows7-x64

10

5c38e38a7f...d6.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • 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
    01-08-2022 15:17

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General

  • Target

    5c38e38a7f28797ecbf438a7f4023dcfaaccd3f400d02a2a543740a7fe03b9d6.exe

  • Size

    328KB

  • MD5

    6b3bb6ab30945def63d16d3b85184511

  • SHA1

    f5b3ddf276d663b1a59cd66a981c1c79e6fcb991

  • SHA256

    5c38e38a7f28797ecbf438a7f4023dcfaaccd3f400d02a2a543740a7fe03b9d6

  • SHA512

    aacaf7e117e1e77b965b3175914b5388fe78fa2cb910cdfb568eb556f2240b16474a27215e1d925ab58ec0ba496635e0fb9aadb0e157343e195297b08c4f32fe

Score
10/10
teslacryptpersistenceransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2372564722-193526734-2636556182-1000\Recovery+hidcb.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/89A6D1D4C9D15249 2. http://kkd47eh4hdjshb5t.angortra.at/89A6D1D4C9D15249 3. http://ytrest84y5i456hghadefdsd.pontogrot.com/89A6D1D4C9D15249 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/89A6D1D4C9D15249 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://tt54rfdjhb34rfbnknaerg.milerteddy.com/89A6D1D4C9D15249 http://kkd47eh4hdjshb5t.angortra.at/89A6D1D4C9D15249 http://ytrest84y5i456hghadefdsd.pontogrot.com/89A6D1D4C9D15249 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/89A6D1D4C9D15249
URLs

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/89A6D1D4C9D15249

http://kkd47eh4hdjshb5t.angortra.at/89A6D1D4C9D15249

http://ytrest84y5i456hghadefdsd.pontogrot.com/89A6D1D4C9D15249

http://xlowfznrg4wf7dli.ONION/89A6D1D4C9D15249

Signatures

  • TeslaCrypt, AlphaCrypt

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

    ransomwareteslacrypt
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c38e38a7f28797ecbf438a7f4023dcfaaccd3f400d02a2a543740a7fe03b9d6.exe
    "C:\Users\Admin\AppData\Local\Temp\5c38e38a7f28797ecbf438a7f4023dcfaaccd3f400d02a2a543740a7fe03b9d6.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Windows\nowkonfvdiqk.exe
      C:\Windows\nowkonfvdiqk.exe
      2⤵
      • 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:4652
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /noin teractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5C38E3~1.EXE
      2⤵
        PID:4680

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\nowkonfvdiqk.exe
      Filesize

      328KB

      MD5

      6b3bb6ab30945def63d16d3b85184511

      SHA1

      f5b3ddf276d663b1a59cd66a981c1c79e6fcb991

      SHA256

      5c38e38a7f28797ecbf438a7f4023dcfaaccd3f400d02a2a543740a7fe03b9d6

      SHA512

      aacaf7e117e1e77b965b3175914b5388fe78fa2cb910cdfb568eb556f2240b16474a27215e1d925ab58ec0ba496635e0fb9aadb0e157343e195297b08c4f32fe

      Download Submit

    • C:\Windows\nowkonfvdiqk.exe
      Filesize

      328KB

      MD5

      6b3bb6ab30945def63d16d3b85184511

      SHA1

      f5b3ddf276d663b1a59cd66a981c1c79e6fcb991

      SHA256

      5c38e38a7f28797ecbf438a7f4023dcfaaccd3f400d02a2a543740a7fe03b9d6

      SHA512

      aacaf7e117e1e77b965b3175914b5388fe78fa2cb910cdfb568eb556f2240b16474a27215e1d925ab58ec0ba496635e0fb9aadb0e157343e195297b08c4f32fe

      Download Submit

    • memory/816-130-0x0000000000400000-0x0000000000495000-memory.dmp

      Filesize

      596KB

      Download

    • memory/816-134-0x0000000002260000-0x00000000022E6000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4560-144-0x0000000000000000-mapping.dmp

      Download

    • memory/4652-135-0x0000000000000000-mapping.dmp

      Download

    • memory/4652-143-0x0000000002120000-0x00000000021A6000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4680-142-0x0000000000000000-mapping.dmp

      Download