Analysis

  • max time kernel
    13s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2022 05:50

General

  • Target

    951a90023e736d2ec143be91386e8eaeaeeefe48dfca003433c9308ee7501ad4.exe

  • Size

    424KB

  • MD5

    23010064797a86eea76b126db028b895

  • SHA1

    fd28fa973ff3cf6766ca25c5cca1b6aa7ca9447d

  • SHA256

    951a90023e736d2ec143be91386e8eaeaeeefe48dfca003433c9308ee7501ad4

  • SHA512

    a7033abcb2be29996bbc59282055e3ad61a90663cb4c151820412a62c670eb0454001ca564d9aa53bf3eb3e48e01c0e1be1db41ae258d9992909020a4807424c

  • SSDEEP

    6144:wWmfUHQSVs1ZYi9Cz3cnPOqURF7T16kCQ4B1oyjqnVhyfVoXbftChXW3AxfulDGq:BmfUHQS0GiGc6R6kXP/nVAcblCJxfS6

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\_RECoVERY_+xkvhc.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/74AA6BA84497E757 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/74AA6BA84497E757 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/74AA6BA84497E757 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/74AA6BA84497E757 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/74AA6BA84497E757 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/74AA6BA84497E757 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/74AA6BA84497E757 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/74AA6BA84497E757
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/74AA6BA84497E757

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/74AA6BA84497E757

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/74AA6BA84497E757

http://xlowfznrg4wf7dli.ONION/74AA6BA84497E757

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
  • 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
  • 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 52 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\951a90023e736d2ec143be91386e8eaeaeeefe48dfca003433c9308ee7501ad4.exe
    "C:\Users\Admin\AppData\Local\Temp\951a90023e736d2ec143be91386e8eaeaeeefe48dfca003433c9308ee7501ad4.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\xoqkmonkljlx.exe
      C:\Windows\xoqkmonkljlx.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:1808
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\951A90~1.EXE
      2⤵
        PID:4936
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4204

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\xoqkmonkljlx.exe

      Filesize

      424KB

      MD5

      23010064797a86eea76b126db028b895

      SHA1

      fd28fa973ff3cf6766ca25c5cca1b6aa7ca9447d

      SHA256

      951a90023e736d2ec143be91386e8eaeaeeefe48dfca003433c9308ee7501ad4

      SHA512

      a7033abcb2be29996bbc59282055e3ad61a90663cb4c151820412a62c670eb0454001ca564d9aa53bf3eb3e48e01c0e1be1db41ae258d9992909020a4807424c

    • C:\Windows\xoqkmonkljlx.exe

      Filesize

      424KB

      MD5

      23010064797a86eea76b126db028b895

      SHA1

      fd28fa973ff3cf6766ca25c5cca1b6aa7ca9447d

      SHA256

      951a90023e736d2ec143be91386e8eaeaeeefe48dfca003433c9308ee7501ad4

      SHA512

      a7033abcb2be29996bbc59282055e3ad61a90663cb4c151820412a62c670eb0454001ca564d9aa53bf3eb3e48e01c0e1be1db41ae258d9992909020a4807424c

    • memory/1808-137-0x0000000000000000-mapping.dmp

    • memory/1808-145-0x0000000002120000-0x00000000021A5000-memory.dmp

      Filesize

      532KB

    • memory/2128-132-0x0000000000400000-0x00000000004AD000-memory.dmp

      Filesize

      692KB

    • memory/2128-136-0x0000000000AD0000-0x0000000000B55000-memory.dmp

      Filesize

      532KB

    • memory/2992-146-0x0000000000000000-mapping.dmp

    • memory/4936-140-0x0000000000000000-mapping.dmp