Overview

overview

10

Static

static

4a97214460...bb.exe

windows7_x64

10

4a97214460...bb.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-07-2022 12:45

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General

  • Target

    4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb.exe

  • Size

    372KB

  • MD5

    76dcea66375fd47b13e624efdd11d888

  • SHA1

    6690c6f0c0f68a1da2b0fba75c25503ca9a9d1e0

  • SHA256

    4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb

  • SHA512

    73b686abde3a0e6260e13e6921b75377ab8fa15739f959160dfb82a4b7ced928d01cf7e45d97727046bf8075b233d16c13756bf422f9e95cc35c4ec81453a619

Score
10/10
persistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\Recovery+mhxrt.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://prest54538hnksjn4kjfwdbhwere.hotchunman.com/D3BFEB03B997036 2. http://b4youfred5485jgsa3453f.italazudda.com/D3BFEB03B997036 3. http://5rport45vcdef345adfkksawe.bematvocal.at/D3BFEB03B997036 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/D3BFEB03B997036 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/D3BFEB03B997036 http://b4youfred5485jgsa3453f.italazudda.com/D3BFEB03B997036 http://5rport45vcdef345adfkksawe.bematvocal.at/D3BFEB03B997036 *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/D3BFEB03B997036 *-*-* Your personal identification ID: D3BFEB03B997036
URLs

http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/D3BFEB03B997036

http://b4youfred5485jgsa3453f.italazudda.com/D3BFEB03B997036

http://5rport45vcdef345adfkksawe.bematvocal.at/D3BFEB03B997036

http://fwgrhsao3aoml7ej.onion/D3BFEB03B997036

http://fwgrhsao3aoml7ej.ONION/D3BFEB03B997036

Signatures

  • 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 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb.exe
    "C:\Users\Admin\AppData\Local\Temp\4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3264
    • C:\Users\Admin\AppData\Local\Temp\4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb.exe
      "C:\Users\Admin\AppData\Local\Temp\4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\vovykeqslhod.exe
        C:\Windows\vovykeqslhod.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3616
        • C:\Windows\vovykeqslhod.exe
          C:\Windows\vovykeqslhod.exe
          4⤵
          • 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:4436
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4820
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\4A9721~1.EXE
        3⤵
          PID:3160
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1704

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\vovykeqslhod.exe
      Filesize

      372KB

      MD5

      76dcea66375fd47b13e624efdd11d888

      SHA1

      6690c6f0c0f68a1da2b0fba75c25503ca9a9d1e0

      SHA256

      4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb

      SHA512

      73b686abde3a0e6260e13e6921b75377ab8fa15739f959160dfb82a4b7ced928d01cf7e45d97727046bf8075b233d16c13756bf422f9e95cc35c4ec81453a619

      Download Submit

    • C:\Windows\vovykeqslhod.exe
      Filesize

      372KB

      MD5

      76dcea66375fd47b13e624efdd11d888

      SHA1

      6690c6f0c0f68a1da2b0fba75c25503ca9a9d1e0

      SHA256

      4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb

      SHA512

      73b686abde3a0e6260e13e6921b75377ab8fa15739f959160dfb82a4b7ced928d01cf7e45d97727046bf8075b233d16c13756bf422f9e95cc35c4ec81453a619

      Download Submit

    • C:\Windows\vovykeqslhod.exe
      Filesize

      372KB

      MD5

      76dcea66375fd47b13e624efdd11d888

      SHA1

      6690c6f0c0f68a1da2b0fba75c25503ca9a9d1e0

      SHA256

      4a972144600d364684e75cdb6e34d74cba51661f6872bbc3e41c25425fff3ebb

      SHA512

      73b686abde3a0e6260e13e6921b75377ab8fa15739f959160dfb82a4b7ced928d01cf7e45d97727046bf8075b233d16c13756bf422f9e95cc35c4ec81453a619

      Download Submit

    • memory/2776-132-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2776-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2776-135-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2776-136-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2776-141-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/3264-134-0x0000000000760000-0x0000000000763000-memory.dmp

      Filesize

      12KB

      Download

    • memory/3264-130-0x0000000000760000-0x0000000000763000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4436-145-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4436-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4436-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4436-149-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download