Overview

overview

10

Static

static

128a0f0cd5...le.exe

windows7_x64

10

128a0f0cd5...le.exe

windows10_x64

10

Sharing

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General

  • Target

    128a0f0cd5d10f864d5a0741ba25996b2bf74f580ac7918dec6516215801e39a.sample

  • Size

    1.1MB

  • Sample

    210726-164qr8gst2

  • MD5

    446e594e266f5e52064fd69a333867f6

  • SHA1

    5c94d21af50f54472cee2cbdb09ec5c7d3361916

  • SHA256

    128a0f0cd5d10f864d5a0741ba25996b2bf74f580ac7918dec6516215801e39a

  • SHA512

    8f389d7f2b7fbf508a23b29ee4d282fbeedaf94cb3de182df8886680bdc752c35fdd0e94b0034ea3dbc440b1a5e87387bea3994241e3e4eb77af091000a57f05

Score
10/10
ctblockerransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-yayejrd.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://6ubux6ppafr24izl.onion.cab or http://6ubux6ppafr24izl.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://6ubux6ppafr24izl.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. YWLFAPM-BMPNZIY-37CU6MZ-I2W2CTN-SLCGSDV-T36CYUN-GT43FM5-AKYW6UG BHWNAFP-RUAMMCY-A3NCL26-HOSXJ3G-Z5UIGOY-RYK3YOU-7TWO5HK-W2AC25V 26XSCI5-ZQ2WZFG-XE3RKIN-OGUMYOU-O246AYE-ZAD3P2H-E7WOKUL-EJAE5NS Follow the instructions on the server.
URLs

http://6ubux6ppafr24izl.onion.cab

http://6ubux6ppafr24izl.tor2web.org

http://6ubux6ppafr24izl.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-yayejrd.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://6ubux6ppafr24izl.onion.cab or http://6ubux6ppafr24izl.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://6ubux6ppafr24izl.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. YWLFAPM-BMPNZIY-37CU6MZ-I2W2CTN-SLCGSDV-T36CYUN-GT43FM5-AKYW6UG BHWNAFP-RUAMMCY-A3NCL26-HOSXJ3G-Z5UIGOY-RYK3YOU-7TWO5HK-W2AC25V 26XSCI5-ZQ2WZFG-XE3RKIN-OGUMYOU-O246SKE-5ZD3P2H-E7WOKUL-EJAURHH Follow the instructions on the server.
URLs

http://6ubux6ppafr24izl.onion.cab

http://6ubux6ppafr24izl.tor2web.org

http://6ubux6ppafr24izl.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://6ubux6ppafr24izl.onion.cab or http://6ubux6ppafr24izl.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://6ubux6ppafr24izl.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://6ubux6ppafr24izl.onion.cab

http://6ubux6ppafr24izl.tor2web.org

http://6ubux6ppafr24izl.onion

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-jbeixtg.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://6ubux6ppafr24izl.onion.cab or http://6ubux6ppafr24izl.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://6ubux6ppafr24izl.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. TMRAFZ6-EQEUENO-6JPHJ4U-AO2E5DS-OLNZCWJ-BMU7O3N-K5WBEWP-V7MDDHI AXPA7RK-UUNJ3D6-VVUMUOX-HY2F7WL-TLPA33Q-JOP4NFN-VGQ3ZAG-6LDCTCI GP7EBOC-LF56GU7-LGAMXPL-D7S2E6X-AXEQDSH-EUFWYGL-2S6PSXW-ZNOVD4V Follow the instructions on the server.
URLs

http://6ubux6ppafr24izl.onion.cab

http://6ubux6ppafr24izl.tor2web.org

http://6ubux6ppafr24izl.onion/

Targets

    • Target

      128a0f0cd5d10f864d5a0741ba25996b2bf74f580ac7918dec6516215801e39a.sample

    • Size

      1.1MB

    • MD5

      446e594e266f5e52064fd69a333867f6

    • SHA1

      5c94d21af50f54472cee2cbdb09ec5c7d3361916

    • SHA256

      128a0f0cd5d10f864d5a0741ba25996b2bf74f580ac7918dec6516215801e39a

    • SHA512

      8f389d7f2b7fbf508a23b29ee4d282fbeedaf94cb3de182df8886680bdc752c35fdd0e94b0034ea3dbc440b1a5e87387bea3994241e3e4eb77af091000a57f05

    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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Tasks