Overview

overview

10

Static

static

5213f2db9a...le.exe

windows7_x64

10

5213f2db9a...le.exe

windows10_x64

10

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General

  • Target

    5213f2db9add9fed538d3730ccafde120cf3822d7a4c17ec17eba6347e417f8a.sample

  • Size

    674KB

  • Sample

    210726-dea4ja63g6

  • MD5

    1c0fbff0f6a18ce6d05e0026b7423b64

  • SHA1

    f422c94cc824c175802df15408114b6284918e17

  • SHA256

    5213f2db9add9fed538d3730ccafde120cf3822d7a4c17ec17eba6347e417f8a

  • SHA512

    40574e3441267cefb672a10745a450e6147846af3bc6df1c7eb7eef4510f9f8876821c93ae0d2792fbc2c9d1e6ab37cc89bbe3b8c35d77fc28ab0c1aefbccf41

Score
10/10
ctblockerransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-oslhjrd.txt

Ransom Note
Your documents, photos, databases and other important files have been encrypted with strongest encryption and unique key, generated for this computer. Private decryption key is stored on a secret Internet server and nobody can decrypt your files until you pay and obtain the private key. If you see the main locker window, follow the instructions on the locker. Overwise, it's seems that you or your antivirus deleted the locker program. Now you have the last chance to decrypt your files. Open http://jssestaew3e7ao3q.onion.cab or http://jssestaew3e7ao3q.tor2web.org in your browser. They are public gates to the secret server. If you have problems with gates, use direct connection: 1. Download Tor Browser from http://torproject.org 2. In the Tor Browser open the http://jssestaew3e7ao3q.onion/ Note that this server is available via Tor Browser only. Retry in 1 hour if site is not reachable. Copy and paste the following public key in the input form on server. Avoid missprints. HMFHACG-MTNJTH5-NO6MUR2-XR7XFUW-UGJJFDQ-JG3BBP7-7MBVB6V-WYWPP6N 6YWRN5U-43HO6OG-O4RJVJY-U5HHQGO-WMRWXLW-3CTVWLQ-EFEDTYD-CLXYFKI BCW56WT-QDMVU2M-TIHDHA7-GWJEYB2-SW7XTPV-LG2XYEQ-6E3MGFB-Z3AONYZ Follow the instructions on the server.
URLs

http://jssestaew3e7ao3q.onion.cab

http://jssestaew3e7ao3q.tor2web.org

http://jssestaew3e7ao3q.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-oslhjrd.txt

Ransom Note
Your documents, photos, databases and other important files have been encrypted with strongest encryption and unique key, generated for this computer. Private decryption key is stored on a secret Internet server and nobody can decrypt your files until you pay and obtain the private key. If you see the main locker window, follow the instructions on the locker. Overwise, it's seems that you or your antivirus deleted the locker program. Now you have the last chance to decrypt your files. Open http://jssestaew3e7ao3q.onion.cab or http://jssestaew3e7ao3q.tor2web.org in your browser. They are public gates to the secret server. If you have problems with gates, use direct connection: 1. Download Tor Browser from http://torproject.org 2. In the Tor Browser open the http://jssestaew3e7ao3q.onion/ Note that this server is available via Tor Browser only. Retry in 1 hour if site is not reachable. Copy and paste the following public key in the input form on server. Avoid missprints. HMFHACG-MTNJTH5-NO6MUR2-XR7XFUW-UGJJFDQ-JG3BBP7-7MBVB6V-WYWPP6N 6YWRN5U-43HO6OG-O4RJVJY-U5HHQGO-WMRWXLW-3CTVWLQ-EFEDTYD-CLXYFKI BCW56WT-QDMVU2M-TIHDHA7-GWJEYB2-SW7XT5V-3R2XYEQ-6E3MGFB-Z3AOGXV Follow the instructions on the server.
URLs

http://jssestaew3e7ao3q.onion.cab

http://jssestaew3e7ao3q.tor2web.org

http://jssestaew3e7ao3q.onion/

Extracted

Path

C:\ProgramData\ummcbbc.html

Ransom Note
Your documents, photos, databases and other important files have been encrypted with strongest encryption and unique key, generated for this computer. Private decryption key is stored on a secret Internet server and nobody can decrypt your files until you pay and obtain the private key. If you see the main locker window, follow the instructions on the locker. Overwise, it's seems that you or your antivirus deleted the locker program. Now you have the last chance to decrypt your files. Open http://jssestaew3e7ao3q.onion.cab or http://jssestaew3e7ao3q.tor2web.org in your browser. They are public gates to the secret server. If you have problems with gates, use direct connection: 1. Download Tor Browser from http://torproject.org. 2. In the Tor Browser open the http://jssestaew3e7ao3q.onion Note that this server is available via Tor Browser only. Retry in 1 hour if site is not reachable. Copy and paste the following public key in the input form on server. Avoid missprints. Follow the instructions on the server. The list of your encrypted files: Path File
URLs

http://jssestaew3e7ao3q.onion.cab

http://jssestaew3e7ao3q.tor2web.org

http://jssestaew3e7ao3q.onion

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-gifixtg.txt

Ransom Note
Your documents, photos, databases and other important files have been encrypted with strongest encryption and unique key, generated for this computer. Private decryption key is stored on a secret Internet server and nobody can decrypt your files until you pay and obtain the private key. If you see the main locker window, follow the instructions on the locker. Overwise, it's seems that you or your antivirus deleted the locker program. Now you have the last chance to decrypt your files. Open http://jssestaew3e7ao3q.onion.cab or http://jssestaew3e7ao3q.tor2web.org in your browser. They are public gates to the secret server. If you have problems with gates, use direct connection: 1. Download Tor Browser from http://torproject.org 2. In the Tor Browser open the http://jssestaew3e7ao3q.onion/ Note that this server is available via Tor Browser only. Retry in 1 hour if site is not reachable. Copy and paste the following public key in the input form on server. Avoid missprints. YVLG4JI-ASLMKEW-WA67MJM-7VS3FIY-5J5FJ3C-C2LPAEV-MIBJBMO-DUAJYLO FKLWU2U-AAMWLF2-ZPTRVHQ-PGOWSWQ-Y7DOYEC-65NI7E5-TJI2ZZI-TIHRYET CCFFMLE-4SC6Q6D-RID7LXI-XSBGQRY-5DMOM5T-MS6REED-XYIA75X-J3TQ4VI Follow the instructions on the server.
URLs

http://jssestaew3e7ao3q.onion.cab

http://jssestaew3e7ao3q.tor2web.org

http://jssestaew3e7ao3q.onion/

Targets

    • Target

      5213f2db9add9fed538d3730ccafde120cf3822d7a4c17ec17eba6347e417f8a.sample

    • Size

      674KB

    • MD5

      1c0fbff0f6a18ce6d05e0026b7423b64

    • SHA1

      f422c94cc824c175802df15408114b6284918e17

    • SHA256

      5213f2db9add9fed538d3730ccafde120cf3822d7a4c17ec17eba6347e417f8a

    • SHA512

      40574e3441267cefb672a10745a450e6147846af3bc6df1c7eb7eef4510f9f8876821c93ae0d2792fbc2c9d1e6ab37cc89bbe3b8c35d77fc28ab0c1aefbccf41

    Score
    10/10
    ctblockerransomware

    • CTB-Locker

      Ransomware family which uses Tor to hide its C2 communications.

      ransomwarectblocker

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks