MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 db3491850413229a37f3aba3e72c53513a7a57c9eb560279c382e32473c2f4dc. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
VirLock
Vendor detections: 6
| SHA256 hash: | db3491850413229a37f3aba3e72c53513a7a57c9eb560279c382e32473c2f4dc |
|---|---|
| SHA3-384 hash: | 2c2e4e9121c740ae92b6f9b809537f23b80a0b60a3a061559f518a1c96afba1b7ee0bdbff626360d5313194f02bae6bb |
| SHA1 hash: | 5e1eb68a1aaa185cfb67709102d2e0bf7e3e54ee |
| MD5 hash: | 34db6c6a5a776cbbbe866832ee9b7d63 |
| humanhash: | glucose-angel-blue-carbon |
| File name: | 34db6c6a_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 766'464 bytes |
| First seen: | 2021-05-05 10:07:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 81e7440c87160424d9f2c06ce5d19721 (1 x VirLock) |
| ssdeep | 12288:d0iuaZy1Y90GdxBjZPlzIw5hsWUBR8gWitAoMPlyhaA0ZyBDdSVad8WHZ/Tm:WiuPqxBjQwI9kgWiGoMPohBmYtZTm |
| Threatray | 222 similar samples on MalwareBazaar |
| TLSH | 82F48B354F4ABD34C56E9AF07C5D27675A243C19A2AE5FCBF1A74C8253CBA017C7A280 |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Creating a process from a recently created file
Creating a service
DNS request
Sending a UDP request
Launching a service
Searching for the window
Sending an HTTP GET request
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Running batch commands
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Changing the Windows explorer settings to hide files extension
Unauthorized injection to a recently created process
Blocking the User Account Control
Enabling autorun
Brute forcing passwords of local accounts
Enabling a "Do not show hidden files" option
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to check if Internet connection is working
Creates an undocumented autostart registry key
Delayed program exit found
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.VirLock
Status:
Malicious
First seen:
2020-05-20 11:12:24 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 212 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
evasion persistence spyware stealer trojan
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Modifies WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
2618c865040a26afa6f3c0b3e49a0ee687e29644519c0fd57e5cc512ba687686
MD5 hash:
e14ac67990bcd5e37f24347f1358c922
SHA1 hash:
7163e4c8f1d9bc1ce547a8fd92e0a4a8429eabfb
SH256 hash:
92805ae6ae8f0e5bd4f9e2919099a8b77a539ca9d258a8044d00e3408a74e483
MD5 hash:
68e9b5a7f1178ced8575565f1654981c
SHA1 hash:
999e528c69ce867e98b89faf3eaff83c19117c0f
SH256 hash:
0fd78da81da6214868e59901b3819c6e3593b04a18df8450e8017a0c78141b7e
MD5 hash:
360591c7a148c10580d3f4f5d06b616e
SHA1 hash:
21e2ce53b871dadac953d081d20c03e0ef717535
SH256 hash:
db3491850413229a37f3aba3e72c53513a7a57c9eb560279c382e32473c2f4dc
MD5 hash:
34db6c6a5a776cbbbe866832ee9b7d63
SHA1 hash:
5e1eb68a1aaa185cfb67709102d2e0bf7e3e54ee
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash