Analysis

  • max time kernel
    153s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 14:58

General

  • Target

    222e2c1e3ad219e24f2a4362a5a0d5d269f23d84c5b85632e171401b70b01346.exe

  • Size

    360KB

  • MD5

    bb42ac7cdc834ba9abb5b4b90025f022

  • SHA1

    3c75d402cca4de4898ac07888900ee7560b9536e

  • SHA256

    222e2c1e3ad219e24f2a4362a5a0d5d269f23d84c5b85632e171401b70b01346

  • SHA512

    d8ea171111608ddf2d028eec2c1a379e12e2dcd2e54258eb5911108e4f37a71bdf5b51b62599a867fe6d5e219ec79da0765120dc60a92d09f7ee7f2c2e015f0f

  • SSDEEP

    6144:IqZbqZToxIizLBZ6R56VkGM4ceLJ5vs5JGJceO/QCErIiuNAvwu:IqZb8oR3D6R5QHXZJy/Q50imAvB

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2292972927-2705560509-2768824231-1000\_RECOVERY_+kfeba.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/D5A639323289BEB 2. http://tes543berda73i48fsdfsd.keratadze.at/D5A639323289BEB 3. http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D5A639323289BEB 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/D5A639323289BEB 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D5A639323289BEB http://tes543berda73i48fsdfsd.keratadze.at/D5A639323289BEB http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D5A639323289BEB *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/D5A639323289BEB
URLs

http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/D5A639323289BEB

http://tes543berda73i48fsdfsd.keratadze.at/D5A639323289BEB

http://tt54rfdjhb34rfbnknaerg.milerteddy.com/D5A639323289BEB

http://xlowfznrg4wf7dli.ONION/D5A639323289BEB

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 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 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\222e2c1e3ad219e24f2a4362a5a0d5d269f23d84c5b85632e171401b70b01346.exe
    "C:\Users\Admin\AppData\Local\Temp\222e2c1e3ad219e24f2a4362a5a0d5d269f23d84c5b85632e171401b70b01346.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\tlbfgswbajvi.exe
      C:\Windows\tlbfgswbajvi.exe
      2⤵
      • 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:632
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1188
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\222E2C~1.EXE
      2⤵
      • Deletes itself
      PID:1540
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\tlbfgswbajvi.exe

    Filesize

    360KB

    MD5

    bb42ac7cdc834ba9abb5b4b90025f022

    SHA1

    3c75d402cca4de4898ac07888900ee7560b9536e

    SHA256

    222e2c1e3ad219e24f2a4362a5a0d5d269f23d84c5b85632e171401b70b01346

    SHA512

    d8ea171111608ddf2d028eec2c1a379e12e2dcd2e54258eb5911108e4f37a71bdf5b51b62599a867fe6d5e219ec79da0765120dc60a92d09f7ee7f2c2e015f0f

  • C:\Windows\tlbfgswbajvi.exe

    Filesize

    360KB

    MD5

    bb42ac7cdc834ba9abb5b4b90025f022

    SHA1

    3c75d402cca4de4898ac07888900ee7560b9536e

    SHA256

    222e2c1e3ad219e24f2a4362a5a0d5d269f23d84c5b85632e171401b70b01346

    SHA512

    d8ea171111608ddf2d028eec2c1a379e12e2dcd2e54258eb5911108e4f37a71bdf5b51b62599a867fe6d5e219ec79da0765120dc60a92d09f7ee7f2c2e015f0f

  • memory/632-60-0x0000000000000000-mapping.dmp

  • memory/632-64-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/632-68-0x0000000000300000-0x0000000000385000-memory.dmp

    Filesize

    532KB

  • memory/756-54-0x0000000075831000-0x0000000075833000-memory.dmp

    Filesize

    8KB

  • memory/756-55-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/756-59-0x0000000001C60000-0x0000000001CE5000-memory.dmp

    Filesize

    532KB

  • memory/1188-70-0x0000000000000000-mapping.dmp

  • memory/1540-62-0x0000000000000000-mapping.dmp