MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fba936cd0c4d507df5e4d3ec140cc452f81defbdc3ce515b94564d517d4aeca. 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: 3fba936cd0c4d507df5e4d3ec140cc452f81defbdc3ce515b94564d517d4aeca
SHA3-384 hash: 5d5034ad69ae372a9dca28bc1d1bbd69fd43d22aa5326dc384509ea0bd43436a6d87ce46af57ea0e3098d174cfe7462b
SHA1 hash: 4bd6ff92df1a32fb3adedf511ca508cefadb09ef
MD5 hash: 88b31cb469e84a182e41558001e502da
humanhash: romeo-wyoming-nine-vegan
File name:88b31cb4_by_Libranalysis
Download: download sample
Signature VirLock
File size:639'488 bytes
First seen:2021-05-05 10:02:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6ed2095060aff5088e5917e33913ff97 (1 x VirLock)
ssdeep 12288:ymYwrK7dvur10X9hTF8AM3JBU0P8RavGj0Uwf1Tm:wuK7cI9hTHM3bevbwf1Tm
Threatray 153 similar samples on MalwareBazaar
TLSH 6CD4AC2D8F6D5593FFD34AB61CEFBBAD1608DA130E2706D2DD8B0A2827C4F6215550A3
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
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
Creating a file in the Windows subdirectories
DNS request
Creating a file in the %temp% directory
Running batch commands
Sending an HTTP GET request
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Searching for the 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:
2021-05-05 10:02:15 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
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 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:
b6ec45f70313f259e0d85ad3babdc2d37e203944e5787b106bd7809903e860d3
MD5 hash:
137d345885bf7e2728ad0d6452424588
SHA1 hash:
344443b96c9d6e560c2e7e3b3d12ffa95946be24
SH256 hash:
3e0cddbe900d5d78eb21a34580a95d3b370d92ebf3df7216ea966d24053f391b
MD5 hash:
b4cf7e4c302809bdd1b023c00bebe189
SHA1 hash:
3b87aaea704537ec9129b24fb8434293bdb0e6bb
SH256 hash:
3fba936cd0c4d507df5e4d3ec140cc452f81defbdc3ce515b94564d517d4aeca
MD5 hash:
88b31cb469e84a182e41558001e502da
SHA1 hash:
4bd6ff92df1a32fb3adedf511ca508cefadb09ef
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