Overview

overview

10

Static

static

21a1575646...cd.exe

windows7-x64

10

21a1575646...cd.exe

windows10-2004-x64

10

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General

  • Target

    21a1575646d545219ba6813d316cdf388f05c2d45d0b0011a5bfb77b1e2ca2cd

  • Size

    1019KB

  • Sample

    221029-s4qhgadebq

  • MD5

    1ea130f39d90ae08b289a13406410ec3

  • SHA1

    f87fcf3b7becd3ada883a42f79e05943abb21c09

  • SHA256

    21a1575646d545219ba6813d316cdf388f05c2d45d0b0011a5bfb77b1e2ca2cd

  • SHA512

    3acadb8b2f9062f4c77c6056995f587b6828305ea9583917bd93105fa4233157fc9049271520ade6b69f93707d4bddc1c0aabfd8b15f04dd90a95c266074d017

  • SSDEEP

    24576:fslszepLtFECEBMM4Zf40Pzm+XRtdaBVQIOaZf8P2r:fFepRFEXu4Gyc+J8P2r

Score
10/10
ctblockerransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-vmuizxi.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://uwm2wosrob3gplxy.onion.cab or http://uwm2wosrob3gplxy.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://uwm2wosrob3gplxy.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. DPSWFLH-RIPMF3C-JBUSVVR-QL7IKNG-KNCRLAT-HDZYSGM-FFFPRL4-LW6WN22 4HMTI3B-XLLKW6C-PW3ZDZX-Y5G6ZQ2-SA6C3JB-FRZQTGH-VLKQ4JS-F3C4QCB BF3MZNE-4YOJ2V5-AXZYHPJ-VSUS7ML-3QYNM4B-RQHXTVM-YNZ6TFD-EJ7LCG4 Follow the instructions on the server.
URLs

http://uwm2wosrob3gplxy.onion.cab

http://uwm2wosrob3gplxy.tor2web.org

http://uwm2wosrob3gplxy.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-vmuizxi.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://uwm2wosrob3gplxy.onion.cab or http://uwm2wosrob3gplxy.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://uwm2wosrob3gplxy.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. DPSWFLH-RIPMF3C-JBUSVVR-QL7IKNG-KNCRLAT-HDZYSGM-FFFPRL4-LW6WN22 4HMTI3B-XLLKW6C-PW3ZDZX-Y5G6ZQ2-SA6C3JB-FRZQTGH-VLKQ4JS-F3C4QCB BF3MZNE-4YOJ2V5-AXZYHPJ-VSUS7ML-3QYNOPB-TJHXTVM-YNZ6TFD-EJ73J57 Follow the instructions on the server.
URLs

http://uwm2wosrob3gplxy.onion.cab

http://uwm2wosrob3gplxy.tor2web.org

http://uwm2wosrob3gplxy.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://uwm2wosrob3gplxy.onion.cab or http://uwm2wosrob3gplxy.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://uwm2wosrob3gplxy.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://uwm2wosrob3gplxy.onion.cab

http://uwm2wosrob3gplxy.tor2web.org

http://uwm2wosrob3gplxy.onion

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-kbzujrd.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://uwm2wosrob3gplxy.onion.cab or http://uwm2wosrob3gplxy.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://uwm2wosrob3gplxy.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. O3NMDHW-TQICVK4-EGDIHXL-SUT3TNZ-XELWFYP-QF2QCHX-VFF5RD2-SDOTLRE WDCQQML-QQZUPWP-DQYOFWQ-DMT6NYH-Y6NPFED-JIRELMH-CMVD2BS-PTGC2KU 3CMDDUG-X6HOL3K-VKXUVO3-NRG7W6O-BL7NL42-XMBVHKS-AKQDKAX-YIXWJSW Follow the instructions on the server.
URLs

http://uwm2wosrob3gplxy.onion.cab

http://uwm2wosrob3gplxy.tor2web.org

http://uwm2wosrob3gplxy.onion/

Targets

    • Target

      21a1575646d545219ba6813d316cdf388f05c2d45d0b0011a5bfb77b1e2ca2cd

    • Size

      1019KB

    • MD5

      1ea130f39d90ae08b289a13406410ec3

    • SHA1

      f87fcf3b7becd3ada883a42f79e05943abb21c09

    • SHA256

      21a1575646d545219ba6813d316cdf388f05c2d45d0b0011a5bfb77b1e2ca2cd

    • SHA512

      3acadb8b2f9062f4c77c6056995f587b6828305ea9583917bd93105fa4233157fc9049271520ade6b69f93707d4bddc1c0aabfd8b15f04dd90a95c266074d017

    • SSDEEP

      24576:fslszepLtFECEBMM4Zf40Pzm+XRtdaBVQIOaZf8P2r:fFepRFEXu4Gyc+J8P2r

    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