Analysis

  • max time kernel
    197s
  • max time network
    196s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 02:29

General

  • Target

    ac1314165b1c5d065bfe19fc4fc9b411b3af9f3a3e74661ada6d53770fc49ee6.exe

  • Size

    335KB

  • MD5

    4bc90d148fe634b9d87bcdb7e67d7f8d

  • SHA1

    3e706aaae73d985282d638b03b48be6f8f447981

  • SHA256

    ac1314165b1c5d065bfe19fc4fc9b411b3af9f3a3e74661ada6d53770fc49ee6

  • SHA512

    a25c43f2096ed8516cc33940723d69e1eb366c030cb1f88823518113a4c39ab9dcbde2168029405dc7208c6ac7c9ae3016871a53c23df2d0d7af64ccacc3e10c

  • SSDEEP

    6144:3MlhTEzkFxLyQb7kmp76NYsYRnZa0dIa4Scb0a/8MH9CC4l:3MlhZFxVb7kIfsgxl4Nw+f9Dy

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3406023954-474543476-3319432036-1000\_RECoVERY_+lcrvi.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 RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 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/C231C5B02BC6A373 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/C231C5B02BC6A373 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/C231C5B02BC6A373 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/C231C5B02BC6A373 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/C231C5B02BC6A373 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/C231C5B02BC6A373 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/C231C5B02BC6A373 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/C231C5B02BC6A373
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/C231C5B02BC6A373

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/C231C5B02BC6A373

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/C231C5B02BC6A373

http://xlowfznrg4wf7dli.ONION/C231C5B02BC6A373

Signatures

  • TeslaCrypt, AlphaCrypt

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

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 21 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac1314165b1c5d065bfe19fc4fc9b411b3af9f3a3e74661ada6d53770fc49ee6.exe
    "C:\Users\Admin\AppData\Local\Temp\ac1314165b1c5d065bfe19fc4fc9b411b3af9f3a3e74661ada6d53770fc49ee6.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\bodqtrebldmk.exe
      C:\Windows\bodqtrebldmk.exe
      2⤵
      • Executes dropped EXE
      • 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:1624
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\AC1314~1.EXE
      2⤵
      • Deletes itself
      PID:524
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:540

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\bodqtrebldmk.exe

    Filesize

    335KB

    MD5

    4bc90d148fe634b9d87bcdb7e67d7f8d

    SHA1

    3e706aaae73d985282d638b03b48be6f8f447981

    SHA256

    ac1314165b1c5d065bfe19fc4fc9b411b3af9f3a3e74661ada6d53770fc49ee6

    SHA512

    a25c43f2096ed8516cc33940723d69e1eb366c030cb1f88823518113a4c39ab9dcbde2168029405dc7208c6ac7c9ae3016871a53c23df2d0d7af64ccacc3e10c

  • C:\Windows\bodqtrebldmk.exe

    Filesize

    335KB

    MD5

    4bc90d148fe634b9d87bcdb7e67d7f8d

    SHA1

    3e706aaae73d985282d638b03b48be6f8f447981

    SHA256

    ac1314165b1c5d065bfe19fc4fc9b411b3af9f3a3e74661ada6d53770fc49ee6

    SHA512

    a25c43f2096ed8516cc33940723d69e1eb366c030cb1f88823518113a4c39ab9dcbde2168029405dc7208c6ac7c9ae3016871a53c23df2d0d7af64ccacc3e10c

  • memory/524-62-0x0000000000000000-mapping.dmp

  • memory/824-66-0x0000000000000000-mapping.dmp

  • memory/1624-57-0x0000000000000000-mapping.dmp

  • memory/1624-61-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/1624-65-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2016-54-0x00000000760C1000-0x00000000760C3000-memory.dmp

    Filesize

    8KB

  • memory/2016-56-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2016-55-0x0000000001E70000-0x0000000001E9E000-memory.dmp

    Filesize

    184KB

  • memory/2016-60-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2016-63-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB