Overview

overview

10

Static

static

3d35ae33c9...00.exe

windows7_x64

10

3d35ae33c9...00.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    169s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 03:53

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General

  • Target

    3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00.exe

  • Size

    344KB

  • MD5

    4c9d26671b002aed754533fde0a175d1

  • SHA1

    9f6290c38ee05435fc61533a51c12df97634a7e7

  • SHA256

    3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00

  • SHA512

    15ad4a1b2697683921bbeb7ffcacc74b9033535844d0df70d4c44dd2c9036d658f6376ef1bbed6b7f9ed94109a0fe30b390c7973793011c6c917b5d233bd153c

Score
10/10
teslacryptpersistenceransomwaresuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\Recovery+ltroe.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://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D195ACAD8A9167 2. http://tes543berda73i48fsdfsd.keratadze.at/D195ACAD8A9167 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D195ACAD8A9167 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/D195ACAD8A9167 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D195ACAD8A9167 http://tes543berda73i48fsdfsd.keratadze.at/D195ACAD8A9167 http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D195ACAD8A9167 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/D195ACAD8A9167
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D195ACAD8A9167

http://tes543berda73i48fsdfsd.keratadze.at/D195ACAD8A9167

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D195ACAD8A9167

http://xlowfznrg4wf7dli.ONION/D195ACAD8A9167

Signatures

  • TeslaCrypt, AlphaCrypt

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

    ransomwareteslacrypt
  • 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.

  • 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 WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00.exe
    "C:\Users\Admin\AppData\Local\Temp\3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Users\Admin\AppData\Local\Temp\3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00.exe
      "C:\Users\Admin\AppData\Local\Temp\3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\bocgmnumgxnc.exe
        C:\Windows\bocgmnumgxnc.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4916
        • C:\Windows\bocgmnumgxnc.exe
          C:\Windows\bocgmnumgxnc.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:4508
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2532
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\3D35AE~1.EXE
        3⤵
          PID:4136
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1168

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\bocgmnumgxnc.exe
      Filesize

      344KB

      MD5

      4c9d26671b002aed754533fde0a175d1

      SHA1

      9f6290c38ee05435fc61533a51c12df97634a7e7

      SHA256

      3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00

      SHA512

      15ad4a1b2697683921bbeb7ffcacc74b9033535844d0df70d4c44dd2c9036d658f6376ef1bbed6b7f9ed94109a0fe30b390c7973793011c6c917b5d233bd153c

      Download Submit

    • C:\Windows\bocgmnumgxnc.exe
      Filesize

      344KB

      MD5

      4c9d26671b002aed754533fde0a175d1

      SHA1

      9f6290c38ee05435fc61533a51c12df97634a7e7

      SHA256

      3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00

      SHA512

      15ad4a1b2697683921bbeb7ffcacc74b9033535844d0df70d4c44dd2c9036d658f6376ef1bbed6b7f9ed94109a0fe30b390c7973793011c6c917b5d233bd153c

      Download Submit

    • C:\Windows\bocgmnumgxnc.exe
      Filesize

      344KB

      MD5

      4c9d26671b002aed754533fde0a175d1

      SHA1

      9f6290c38ee05435fc61533a51c12df97634a7e7

      SHA256

      3d35ae33c9ff6733c65eb3fb6b5be1a2c50572cf05249c55b9d7ca04d00c5b00

      SHA512

      15ad4a1b2697683921bbeb7ffcacc74b9033535844d0df70d4c44dd2c9036d658f6376ef1bbed6b7f9ed94109a0fe30b390c7973793011c6c917b5d233bd153c

      Download Submit

    • memory/1296-141-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1296-131-0x0000000000000000-mapping.dmp

      Download

    • memory/1296-132-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1296-133-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1296-135-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/1296-136-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/2532-148-0x0000000000000000-mapping.dmp

      Download

    • memory/3116-134-0x00000000022C0000-0x00000000022C3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/3116-130-0x00000000022C0000-0x00000000022C3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4136-140-0x0000000000000000-mapping.dmp

      Download

    • memory/4508-142-0x0000000000000000-mapping.dmp

      Download

    • memory/4508-145-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4508-146-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4508-147-0x0000000000400000-0x0000000000485000-memory.dmp

      Filesize

      532KB

      Download

    • memory/4916-137-0x0000000000000000-mapping.dmp

      Download