Overview

overview

10

Static

static

3

d9fc3b8454...18.exe

windows7-x64

10

d9fc3b8454...18.exe

windows10-2004-x64

7

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General

  • Target

    d9fc3b845454f7588b0f48b017fb9a50_JaffaCakes118

  • Size

    1.0MB

  • Sample

    241209-revkfsznd1

  • MD5

    d9fc3b845454f7588b0f48b017fb9a50

  • SHA1

    17de143a193969b85902fa54c1554410dcf72b06

  • SHA256

    1fe2341438aea4b0427f3f2808918b6ef00bf742bc903e94022c7f73df914ed4

  • SHA512

    bb11d7ad5d6f426b23c459d130c8962c66a70fa5d6df35ffbf2bc51ae619dc94bb9bccd990d0856a6a5ca40f0a3d5519b7f0dd075fc9e1a65f846a4a72a7449c

  • SSDEEP

    24576:m2g8AFUAEUM91zfwVPIl6Mw3C1tvIgOB9Af8P2rU:+FUB9wRMUYL8P2rU

Score
10/10
ctblockerdefense_evasiondiscoveryexecutionimpactransomware

Malware Config

Extracted

Path

C:\ProgramData\cziklag.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

Targets

    • Target

      d9fc3b845454f7588b0f48b017fb9a50_JaffaCakes118

    • Size

      1.0MB

    • MD5

      d9fc3b845454f7588b0f48b017fb9a50

    • SHA1

      17de143a193969b85902fa54c1554410dcf72b06

    • SHA256

      1fe2341438aea4b0427f3f2808918b6ef00bf742bc903e94022c7f73df914ed4

    • SHA512

      bb11d7ad5d6f426b23c459d130c8962c66a70fa5d6df35ffbf2bc51ae619dc94bb9bccd990d0856a6a5ca40f0a3d5519b7f0dd075fc9e1a65f846a4a72a7449c

    • SSDEEP

      24576:m2g8AFUAEUM91zfwVPIl6Mw3C1tvIgOB9Af8P2rU:+FUB9wRMUYL8P2rU

    Score
    10/10
    ctblockerdefense_evasiondiscoveryexecutionimpactransomware

    • CTB-Locker

      Ransomware family which uses Tor to hide its C2 communications.

      ransomwarectblocker

    • Ctblocker family

      ctblocker

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks