MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f98af73be4b92fc2ec6ea37223d1c2ee8be6a8e4ee8a449cdd826602b29ec1d9. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f98af73be4b92fc2ec6ea37223d1c2ee8be6a8e4ee8a449cdd826602b29ec1d9
SHA3-384 hash: db44e57232b3146d44c77908a6a08d3b2440d3d10d0116ff291938d0950b90a848a0bfdf17d4d6196e898dd74241cbdf
SHA1 hash: 81fcd0f93a9e6706c21b38cce76e9137057b2650
MD5 hash: 899626c06354c4a7804cecfcd3e69052
humanhash: avocado-mississippi-nitrogen-avocado
File name:899626c0_by_Libranalysis
Download: download sample
Signature VirLock
Create hunting rule
File size:1'460'224 bytes
First seen:2021-05-05 09:03:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 24be62604853f8258b2bdb84afa71c73 (1 x VirLock)
ssdeep 24576:BQHARKJlMe+mPbY19nZ+KaTQeJR8FEQOmwgRPR6RH/1xVXotBJ:OgRAlM9D1dZ+KaTQef8FvOmwyZ6tatBJ
Threatray 101 similar samples on MalwareBazaar
TLSH B465022EAF5A1499C3E47274BF34ECC09B6C3756D32DBDB4918F78890C441BADA36285
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
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/150113/
Detection(s):
Win.Virus.Virlock-6332874-0
Create hunting rule

Win.Virus.Virlock-6803820-0
Create hunting rule

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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f98af73be4b92fc2ec6ea37223d1c2ee8be6a8e4ee8a449cdd826602b29ec1d9/
Threat name:
Win32.Ransomware.VirLock
Create hunting rule
Status:
Malicious
First seen:
2020-05-06 23:57:50 UTC
AV detection:
47 of 48 (97.92%)
Threat level:
  5/5
Verdict:
malicious
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+ 91 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210505-wrzcp8yhj2/
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 Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks whether UAC is enabled
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:
6ebb15b565c96c331e058072fac57a1cee4eace245ac9b0d93679d7430223504
MD5 hash:
b44b8cae8a7e376b8c38e1604457ce0a
SHA1 hash:
e1c3a2812dbaaec16eca532724f98e12a988a77e
Link:
https://www.unpac.me/results/6fea631d-c31e-4bae-acd9-14a32c606479/
SH256 hash:
62aada91b5daecaee5a897130ec1d107513d6a105e3b251690d75028d5179adb
MD5 hash:
7534ad2c4a5df2aecb644e628e5003c9
SHA1 hash:
f3729f07101fa4c593f35d6cfc1041e8faba9052
Link:
https://www.unpac.me/results/6fea631d-c31e-4bae-acd9-14a32c606479/
SH256 hash:
c62514f06ed08dfe1eec329aba7d86b12835ec39b4deb1a6e54709d3761e7cbd
MD5 hash:
9339b38e275c0d41a152dc708b591e74
SHA1 hash:
4a99ce5865cc589409334559508a7a5a2d78c5c4
Link:
https://www.unpac.me/results/6fea631d-c31e-4bae-acd9-14a32c606479/
SH256 hash:
f98af73be4b92fc2ec6ea37223d1c2ee8be6a8e4ee8a449cdd826602b29ec1d9
MD5 hash:
899626c06354c4a7804cecfcd3e69052
SHA1 hash:
81fcd0f93a9e6706c21b38cce76e9137057b2650
Link:
https://www.unpac.me/results/6fea631d-c31e-4bae-acd9-14a32c606479/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
VirLock
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f98af73be4b92fc2ec6ea37223d1c2ee8be6a8e4ee8a449cdd826602b29ec1d9

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/150113/

Comments