Overview

overview

10

Static

static

743302a596...le.exe

windows7_x64

10

743302a596...le.exe

windows10_x64

10

Sharing

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General

  • Target

    743302a59617675c4f87a187156f94de2d9cae38026f30bab1b8607a25a70b87.sample

  • Size

    653KB

  • Sample

    210726-sjhqzq6d22

  • MD5

    b2e27e88dd895d90f19c8d0314662720

  • SHA1

    cc69874f94ae42a274e4b3171e850ad2d3c02465

  • SHA256

    743302a59617675c4f87a187156f94de2d9cae38026f30bab1b8607a25a70b87

  • SHA512

    85c42f2d80fd16b81bad0f110e2c78eb2daa8cdedbbd6d2cc46cad03285b0103d7681d5420ece73ecb95b32c55f9f52934d0ea18bc5da46078a2d26b5d966ca2

Score
10/10
ctblockerransomware

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\!Decrypt-All-Files-yhsgjrd.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. YOTOBQN-TWSXU2L-IYKVCNV-QTBRGIS-AHO56FI-URBGHLU-QH7QQU3-3BOFDFN BOCJP5B-SHPNXOG-FUTYQKB-ALCLDT6-E5ATWYU-UO7ALDR-27IRBFR-TLEYK5U 5XHJVQ5-OP4DYYM-PCA23YW-LZMXLKE-ASGG737-BZY3DX6-YF63JQN-AUOEI25 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-yhsgjrd.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. YOTOBQN-TWSXU2L-IYKVCNV-QTBRGIS-AHO56FI-URBGHLU-QH7QQU3-3BOFDFN BOCJP5B-SHPNXOG-FUTYQKB-ALCLDT6-E5ATWYU-UO7ALDR-27IRBFR-TLEYK5U 5XHJVQ5-OP4DYYM-PCA23YW-LZMXLKE-ASGGOJ7-LPY3DX6-YF63JQN-AUOUKA6 Follow the instructions on the server.
URLs

http://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.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://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

Extracted

Path

C:\Users\Admin\Documents\!Decrypt-All-Files-yeaixtg.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. FAERUVS-JE2VALG-G5QHALQ-TPGHPLV-OLRHPYY-GXLCRU6-NAL2PRF-4L2TQGU 4UHLFUU-SSWHCBT-CPA5KK6-CJUVS33-ZPZO3T5-XF2MDLV-PRF5RCV-5L3JAZ6 CKF4E7P-SGYYYLR-IDOFRCN-TP4HFTS-TNOBQSX-ERRZXC7-HGFHB7W-ORHKDEW Follow the instructions on the server.
URLs

http://tmc2ybfqzgkaeilm.onion.cab

http://tmc2ybfqzgkaeilm.tor2web.org

http://tmc2ybfqzgkaeilm.onion/

Targets

    • Target

      743302a59617675c4f87a187156f94de2d9cae38026f30bab1b8607a25a70b87.sample

    • Size

      653KB

    • MD5

      b2e27e88dd895d90f19c8d0314662720

    • SHA1

      cc69874f94ae42a274e4b3171e850ad2d3c02465

    • SHA256

      743302a59617675c4f87a187156f94de2d9cae38026f30bab1b8607a25a70b87

    • SHA512

      85c42f2d80fd16b81bad0f110e2c78eb2daa8cdedbbd6d2cc46cad03285b0103d7681d5420ece73ecb95b32c55f9f52934d0ea18bc5da46078a2d26b5d966ca2

    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