MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f3b8d88cf155e8649ab7a08800d17a63a18b92187f3af8db279e60da670059c8. 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: 5
| SHA256 hash: | f3b8d88cf155e8649ab7a08800d17a63a18b92187f3af8db279e60da670059c8 |
|---|---|
| SHA3-384 hash: | a44268e57ec922e87c02d809d7ffd514cbb58d6329ad1a0e6054e56be7d47a9c12c0e200efa0b7f6d2ce11cdb9a7611a |
| SHA1 hash: | 9837492cd44c3a7d696b72c41abab6e17a682a61 |
| MD5 hash: | 43768d4031811c31e55e38f80380c80d |
| humanhash: | earth-sodium-single-william |
| File name: | 43768d40_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 1'725'440 bytes |
| First seen: | 2021-05-05 08:04:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b62096269fb5619f1dca2ad11a7a390e (1 x VirLock) |
| ssdeep | 49152:AvykjyclYjIrG/PQKnab1xVfNuh3BA2ftTp:Avy4lYjICQKnAxeBBA2ftN |
| Threatray | 27 similar samples on MalwareBazaar |
| TLSH | 2C85E100E619C9B9EEF913BDED6613600E0C4776F36394D76E41C2A731A1CA0BB695F8 |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
90
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
Launching a service
DNS request
Sending an HTTP GET request
Creating a file in the Windows subdirectories
Searching for the window
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
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Enabling autorun
Brute forcing passwords of local accounts
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.
Threat name:
Win32.Ransomware.VirLock
Status:
Malicious
First seen:
2020-05-07 00:08:44 UTC
AV detection:
47 of 48 (97.92%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 17 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
evasion persistence ransomware 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 extensions of user files
Modifies WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
674ee222f2b861c329ff0acac80f3e7f1a2c817ff791e27b3f78a5946f208904
MD5 hash:
4f176bfd330c1d84164e6abe6f7abbdf
SHA1 hash:
2b17feaf36589fc4b723254afe3051c0fe87ec5f
SH256 hash:
9a0a800f4781894365ac3c017f0b634b22ce9d5bf31fd15db0bf4753064d28d8
MD5 hash:
416fcb432b3c6bd28a319de90ad64636
SHA1 hash:
66a4aace81658c384b8c65c7d4d55f8c7ede8190
SH256 hash:
f3b8d88cf155e8649ab7a08800d17a63a18b92187f3af8db279e60da670059c8
MD5 hash:
43768d4031811c31e55e38f80380c80d
SHA1 hash:
9837492cd44c3a7d696b72c41abab6e17a682a61
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.
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