MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b1ba7cd98948e80108083009a0aca2f8647575c7d9164998808b296137cecd. 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


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: f8b1ba7cd98948e80108083009a0aca2f8647575c7d9164998808b296137cecd
SHA3-384 hash: a774c53d33a66451a51bd456f4290dc6cd45576121a5aa045d9ac2be75b9395983b4e5c9122785dfe6700de4c0deca13
SHA1 hash: a2f4706e9a13bfa9e3d3e4156841fc146c34cccb
MD5 hash: 982cc427b360a8c5d8ad7904df83f6cc
humanhash: magazine-music-texas-violet
File name:982cc427_by_Libranalysis
Download: download sample
Signature VirLock
File size:674'304 bytes
First seen:2021-05-05 09:03:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b1005ec780ddad33b2f8ea3a2140823 (1 x VirLock)
ssdeep 12288:uaKDHXffCFPpKbKy25FKzOefD9aF8jr3fDOZGqPR5wnusXLcrhbovy:u1HXi0V2PkOOaGjr3fDOZGCRWnBIb+y
Threatray 75 similar samples on MalwareBazaar
TLSH F0E4D04A1E129080E55D50B7FFE1485C687B0F675AE8766A6A6EF344236C053BFFC80B
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Creating a service
Launching a service
DNS request
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
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 00:04:10 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
  5/5
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
System policy modification
Enumerates physical storage devices
Drops file in System32 directory
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Deletes itself
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:
51fb0ecb0784f1d2775fffac96c8a5466c8b67b402d4cacbf24b14fa75aeb898
MD5 hash:
a17bdd4ca925e4ee410e77521968c11c
SHA1 hash:
ea27ac34ede7d6672d31eb2f6c1a8e7d8361d995
SH256 hash:
f8b1ba7cd98948e80108083009a0aca2f8647575c7d9164998808b296137cecd
MD5 hash:
982cc427b360a8c5d8ad7904df83f6cc
SHA1 hash:
a2f4706e9a13bfa9e3d3e4156841fc146c34cccb
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