General
- Target start.exe
- Size 12.5MB
- Sample251010-q2qpcawrs7
- SHA256 4525387f28bee6bb48d07e6989319f382447a8a6e48ae11f332dee9916feb8cc
- MD5 de96beb0baa7243dd7f39b2c400bbc44
- SHA1 22fc83d0eb4cfac43772694a6878960d4ce47d13
- SHA512 2de1ad328c28300285866c2d2a966970991266fd574e7d91503ee0eeb2183daab3b75d63769fc06c386421d9ad57c6d24be4961fca5cea875306f5fecab8181f
- SSDEEP 393216:12qu9CfeGL01+l+uq+VvBW+tHjdEgwylDLG90wyp45w6:m9C2a01+l+uqgvBW+NjGly99wW45w6
- MD5 SHA1 SHA512 SSDEEP
Behavioral task
behavioral1
Sample
start.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
start.exe
Resource
win11-20250610-en
Malware Config
Extracted
-
C:\Program Files\Common Files\DESIGNER\README_TO_DECRYPT.txt
- YOUR FILES ARE ENCRYPTED! your files are not deleted but they are hidden to see them use cmd.exe and dir /a To recover your files, send 10 xmr to the following address:89RQN2EUmiX6vL7nTv3viqUAgbDpN4ab329zPCEgbceQJuS233uye4eXtYk3MXAtVoKNMmzgVrxXphLZbJPtearY7QVuApr After payment, send your HWID and transaction ID to: [email protected] we send you a decryptor and key DO NOT try to decrypt files yourself or use third-party tools, this will lead to permanent data loss.
Targets
-
- Target start.exe
- Size 12.5MB
- SHA256 4525387f28bee6bb48d07e6989319f382447a8a6e48ae11f332dee9916feb8cc
- MD5 de96beb0baa7243dd7f39b2c400bbc44
- SHA1 22fc83d0eb4cfac43772694a6878960d4ce47d13
- SHA512 2de1ad328c28300285866c2d2a966970991266fd574e7d91503ee0eeb2183daab3b75d63769fc06c386421d9ad57c6d24be4961fca5cea875306f5fecab8181f
- SSDEEP 393216:12qu9CfeGL01+l+uq+VvBW+tHjdEgwylDLG90wyp45w6:m9C2a01+l+uqgvBW+NjGly99wW45w6
- MD5 SHA1 SHA512 SSDEEP
BQTLock
BQTLock is a ransomware that operates under a Ransomware-as-a-Service model.
Bqtlock family
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
Renames multiple (1361) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Downloads MZ/PE file
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Sets desktop wallpaper using registry
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Execution
Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1