Overview

overview

10

Static

static

8f9751146a...d1.exe

windows7-x64

10

8f9751146a...d1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8f9751146aa82a867fc19fdeade6a1c86f68c569b98ef177d4f712e46166f9d1

  • Size

    1.2MB

  • Sample

    221128-gnrj2sag55

  • MD5

    1aad30f76693aa8ec2fd2a9314b02125

  • SHA1

    a199494ac4f065578323c1058e0f0cd5df563bc2

  • SHA256

    8f9751146aa82a867fc19fdeade6a1c86f68c569b98ef177d4f712e46166f9d1

  • SHA512

    fa2d623b0b33c1f7506209980f4699aa8efb4dc18b25cf97f6871fee209d0de7a79f7b3c63458aa0e49d868446e03d2a0cf59ca47c2eee74c67eeac21d03b31c

  • SSDEEP

    24576:ADqBNB/RLKAlkmrTgCQgoB/7nhYfxknKBCXzOvERcd8Gu7q:ADkpRkmvQgo9zS6nMv7+1u

Score
10/10
ctblockerransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-eaublmn.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://tmc2ybfqzgkaeilm.onion.cab or http://tmc2ybfqzgkaeilm.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://tmc2ybfqzgkaeilm.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. OUEJXPR-ABCDQMF-CFO2DA6-XASYKFN-DSV6FF5-OLSLC5Q-7UI6EIP-SEWPBDS FUV46FQ-EFTERKW-PQPK3HV-RQF64PI-XI5BUJM-OGH4E3Y-6XWMPTG-TKOGF4M GHZDVN3-UK46UQG-I4WSN4J-YOCAKMA-GUOPKJ5-55AFMZB-Y7F7DOY-F5A3CEI Follow the instructions on the server.
URLs

http://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-eaublmn.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://tmc2ybfqzgkaeilm.onion.cab or http://tmc2ybfqzgkaeilm.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://tmc2ybfqzgkaeilm.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. OUEJXPR-ABCDQMF-CFO2DA6-XASYKFN-DSV6FF5-OLSLC5Q-7UI6EIP-SEWPBDS FUV46FQ-EFTERKW-PQPK3HV-RQF64PI-XI5BUJM-OGH4E3Y-6XWMPTG-TKOGF4M GHZDVN3-UK46UQG-I4WSN4J-YOCAKMA-GUOPT35-JKAFMZB-Y7F7DOY-F5A35PY Follow the instructions on the server.
URLs

http://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.onion/

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-ipiermb.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://tmc2ybfqzgkaeilm.onion.cab or http://tmc2ybfqzgkaeilm.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://tmc2ybfqzgkaeilm.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. 2KXTTDI-7DLXGNY-3M4OPDC-EETECOZ-2BGXVC2-K3QZLXR-V7CF7KZ-CJOUH7H I5CTMGW-O2A34R5-HZVYUCM-HTST4BF-BFAOATF-4QV7NLT-AWZ55OG-GBPQXG7 QWLHT74-AVFZAZ7-U5GCTZW-DSFZQ4R-DEARQXL-EPDG4GN-LHUETSF-7LZLNCN Follow the instructions on the server.
URLs

http://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.onion/

Extracted

Path

C:\ProgramData\borcfwe.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://tmc2ybfqzgkaeilm.onion.cab or http://tmc2ybfqzgkaeilm.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://tmc2ybfqzgkaeilm.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://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.onion

Targets

    • Target

      8f9751146aa82a867fc19fdeade6a1c86f68c569b98ef177d4f712e46166f9d1

    • Size

      1.2MB

    • MD5

      1aad30f76693aa8ec2fd2a9314b02125

    • SHA1

      a199494ac4f065578323c1058e0f0cd5df563bc2

    • SHA256

      8f9751146aa82a867fc19fdeade6a1c86f68c569b98ef177d4f712e46166f9d1

    • SHA512

      fa2d623b0b33c1f7506209980f4699aa8efb4dc18b25cf97f6871fee209d0de7a79f7b3c63458aa0e49d868446e03d2a0cf59ca47c2eee74c67eeac21d03b31c

    • SSDEEP

      24576:ADqBNB/RLKAlkmrTgCQgoB/7nhYfxknKBCXzOvERcd8Gu7q:ADkpRkmvQgo9zS6nMv7+1u

    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.

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of SetThreadContext

    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