Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-06-2022 09:56

General

  • Target

    210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43.exe

  • Size

    616KB

  • MD5

    56574c4691f454ea2c19454b7fc40905

  • SHA1

    cbbfd3d72456c071ceef8ff4bf84106ca1062c6f

  • SHA256

    210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43

  • SHA512

    81f0de49b8e96d6422fb0f92f0799cac469d840b35e5f1ff48f9b2ae56104983ab4a17633def840868cd3c5db7b729d2f72d9f65590dfa0efcc95ba0b8980cdb

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\Recovery+bsetx.txt

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://p57gest54celltraf743knjf.mottesapo.com/F44FC72369BCDCE 2. http://k4restportgonst34d23r.oftpony.at/F44FC72369BCDCE 3. http://rr7mdgjbjhbefvkhbashrg.ginnypecht.com/F44FC72369BCDCE 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 and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/F44FC72369BCDCE 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *** Your personal pages: http://p57gest54celltraf743knjf.mottesapo.com/F44FC72369BCDCE http://k4restportgonst34d23r.oftpony.at/F44FC72369BCDCE http://rr7mdgjbjhbefvkhbashrg.ginnypecht.com/F44FC72369BCDCE *** Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/F44FC72369BCDCE *** Your personal identification ID: F44FC72369BCDCE
URLs

http://p57gest54celltraf743knjf.mottesapo.com/F44FC72369BCDCE

http://k4restportgonst34d23r.oftpony.at/F44FC72369BCDCE

http://rr7mdgjbjhbefvkhbashrg.ginnypecht.com/F44FC72369BCDCE

http://fwgrhsao3aoml7ej.onion/F44FC72369BCDCE

http://fwgrhsao3aoml7ej.ONION/F44FC72369BCDCE

Signatures

  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 3 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
  • Suspicious use of SetThreadContext 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.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43.exe
    "C:\Users\Admin\AppData\Local\Temp\210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43.exe
      "C:\Users\Admin\AppData\Local\Temp\210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Windows\wnvaeoqxnqyk.exe
        C:\Windows\wnvaeoqxnqyk.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1292
        • C:\Windows\wnvaeoqxnqyk.exe
          C:\Windows\wnvaeoqxnqyk.exe
          4⤵
          • Executes dropped EXE
          • 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:480
          • C:\Users\Admin\Documents\vdpyb.exe
            C:\Users\Admin\Documents\vdpyb.exe
            5⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious use of WriteProcessMemory
            PID:2208
            • C:\Windows\System32\vssadmin.exe
              "C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet
              6⤵
              • Interacts with shadow copies
              PID:1180
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\210223~1.EXE
        3⤵
          PID:2336
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:420

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Documents\vdpyb.exe

      Filesize

      5KB

      MD5

      34d3f2e3fd92cd38a103d415dbb22936

      SHA1

      abdcf16a82cf8d3109ec39203181d839f2154a68

      SHA256

      5119839eaaf7dfc670c7d2c8a83e74f895e07fab5f22c379185769eed07ece25

      SHA512

      bc76ed0fe69ab38f66217f4b4aec79947e706136aecc5a42840ccd963799c8c175dc796d92be678b2b1e55d22c3a97fb4b9e00f6879958ae5a5bb2081ae7ad92

    • C:\Users\Admin\Documents\vdpyb.exe

      Filesize

      5KB

      MD5

      34d3f2e3fd92cd38a103d415dbb22936

      SHA1

      abdcf16a82cf8d3109ec39203181d839f2154a68

      SHA256

      5119839eaaf7dfc670c7d2c8a83e74f895e07fab5f22c379185769eed07ece25

      SHA512

      bc76ed0fe69ab38f66217f4b4aec79947e706136aecc5a42840ccd963799c8c175dc796d92be678b2b1e55d22c3a97fb4b9e00f6879958ae5a5bb2081ae7ad92

    • C:\Windows\wnvaeoqxnqyk.exe

      Filesize

      616KB

      MD5

      56574c4691f454ea2c19454b7fc40905

      SHA1

      cbbfd3d72456c071ceef8ff4bf84106ca1062c6f

      SHA256

      210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43

      SHA512

      81f0de49b8e96d6422fb0f92f0799cac469d840b35e5f1ff48f9b2ae56104983ab4a17633def840868cd3c5db7b729d2f72d9f65590dfa0efcc95ba0b8980cdb

    • C:\Windows\wnvaeoqxnqyk.exe

      Filesize

      616KB

      MD5

      56574c4691f454ea2c19454b7fc40905

      SHA1

      cbbfd3d72456c071ceef8ff4bf84106ca1062c6f

      SHA256

      210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43

      SHA512

      81f0de49b8e96d6422fb0f92f0799cac469d840b35e5f1ff48f9b2ae56104983ab4a17633def840868cd3c5db7b729d2f72d9f65590dfa0efcc95ba0b8980cdb

    • C:\Windows\wnvaeoqxnqyk.exe

      Filesize

      616KB

      MD5

      56574c4691f454ea2c19454b7fc40905

      SHA1

      cbbfd3d72456c071ceef8ff4bf84106ca1062c6f

      SHA256

      210223de4b6b3fb33d879ffb7df1e6b6cc7223f24603b2296852066ee3db3f43

      SHA512

      81f0de49b8e96d6422fb0f92f0799cac469d840b35e5f1ff48f9b2ae56104983ab4a17633def840868cd3c5db7b729d2f72d9f65590dfa0efcc95ba0b8980cdb

    • memory/480-152-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/480-147-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/480-146-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/480-145-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/480-142-0x0000000000000000-mapping.dmp

    • memory/1180-151-0x0000000000000000-mapping.dmp

    • memory/1292-136-0x0000000000000000-mapping.dmp

    • memory/2208-148-0x0000000000000000-mapping.dmp

    • memory/2336-140-0x0000000000000000-mapping.dmp

    • memory/4304-130-0x0000000000880000-0x0000000000883000-memory.dmp

      Filesize

      12KB

    • memory/4304-134-0x0000000000880000-0x0000000000883000-memory.dmp

      Filesize

      12KB

    • memory/4392-141-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/4392-139-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/4392-135-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/4392-133-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/4392-132-0x0000000000400000-0x0000000000487000-memory.dmp

      Filesize

      540KB

    • memory/4392-131-0x0000000000000000-mapping.dmp