General

  • Target

    9a044402863ec949deba6c91e6a12316281d35e824230a13dc4ca4404b95698f

  • Size

    983KB

  • Sample

    221029-qja6yahfal

  • MD5

    ad6b7c6d77ddb7ad5c0e13f286405573

  • SHA1

    e18a27bb4ee24f867e529abad2e33bb4eefa0af7

  • SHA256

    9a044402863ec949deba6c91e6a12316281d35e824230a13dc4ca4404b95698f

  • SHA512

    b30258566577ee9cc703b550906c8981e3e11b173c7d178bf828c3be689e470c04b8fa557bce66d0040c1b2cdcd5e2d42df73dfec1532d1f72125eecc5ab1893

  • SSDEEP

    24576:YtJTII35v4k8q3x6bids2LBpqWWLhz+ftN+LClZb:YtJTII35v4UU2LFWXLCHb

Score
10/10

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-icogzxi.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://kurrmpfx6kgmsopm.onion.cab or http://kurrmpfx6kgmsopm.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://kurrmpfx6kgmsopm.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. MXDBZ7E-5J3SE4K-WF7OUSA-JZSLYT3-342YJLA-KS7BXCL-LADPQB6-VCQXNWU YFTF4FU-532IX6M-6I7EFRW-W576WHP-TO2SRFB-4JENJ57-63RVC7W-UT4J4RV IKOUZK7-FSXUXTH-2FW3QMY-WH2FAGK-7NAI64C-4QDQBYV-2MVHM2V-4OMZ64G Follow the instructions on the server.
URLs

http://kurrmpfx6kgmsopm.onion.cab

http://kurrmpfx6kgmsopm.tor2web.org

http://kurrmpfx6kgmsopm.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-icogzxi.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://kurrmpfx6kgmsopm.onion.cab or http://kurrmpfx6kgmsopm.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://kurrmpfx6kgmsopm.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. MXDBZ7E-5J3SE4K-WF7OUSA-JZSLYT3-342YJLA-KS7BXCL-LADPQB6-VCQXNWU YFTF4FU-532IX6M-6I7EFRW-W576WHP-TO2SRFB-4JENJ57-63RVC7W-UT4J4RV IKOUZK7-FSXUXTH-2FW3QMY-WH2FAGK-7NAIEOC-IIDQBYV-2MVHM2V-4OMZCXO Follow the instructions on the server.
URLs

http://kurrmpfx6kgmsopm.onion.cab

http://kurrmpfx6kgmsopm.tor2web.org

http://kurrmpfx6kgmsopm.onion/

Extracted

Path

C:\ProgramData\zlwdkgg.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://kurrmpfx6kgmsopm.onion.cab or http://kurrmpfx6kgmsopm.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://kurrmpfx6kgmsopm.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://kurrmpfx6kgmsopm.onion.cab

http://kurrmpfx6kgmsopm.tor2web.org

http://kurrmpfx6kgmsopm.onion

Targets

    • Target

      9a044402863ec949deba6c91e6a12316281d35e824230a13dc4ca4404b95698f

    • Size

      983KB

    • MD5

      ad6b7c6d77ddb7ad5c0e13f286405573

    • SHA1

      e18a27bb4ee24f867e529abad2e33bb4eefa0af7

    • SHA256

      9a044402863ec949deba6c91e6a12316281d35e824230a13dc4ca4404b95698f

    • SHA512

      b30258566577ee9cc703b550906c8981e3e11b173c7d178bf828c3be689e470c04b8fa557bce66d0040c1b2cdcd5e2d42df73dfec1532d1f72125eecc5ab1893

    • SSDEEP

      24576:YtJTII35v4k8q3x6bids2LBpqWWLhz+ftN+LClZb:YtJTII35v4UU2LFWXLCHb

    Score
    10/10
    • CTB-Locker

      Ransomware family which uses Tor to hide its C2 communications.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Tasks