MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b920bf0a496b989786853d9513a8453d065eed32a0df24976f30c88976d57505. 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


Intelligence 5 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b920bf0a496b989786853d9513a8453d065eed32a0df24976f30c88976d57505
SHA3-384 hash: d456224fc2cb66ec969f7e7158524e286cd14e12507c80bf7153cd6a32fb936f7ab6e0594f468a315728e8704408cd29
SHA1 hash: f5895b53a7b403c45cfd7e31ffc76073748493e6
MD5 hash: 7c8f55038c1bd64b86a0ca8e9c85a62e
humanhash: alabama-item-football-sodium
File name:7c8f5503_by_Libranalysis
Download: download sample
Signature VirLock
Create hunting rule
File size:1'463'296 bytes
First seen:2021-05-05 08:04:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7d45b899d8323c395d3c2fab68df335e (1 x VirLock)
ssdeep 24576:xCj+URLZLYJv8uqx39gvoXxUkl973EUQAbAuQUTEgBGUllQ75TJQowQt3lAJ:xALZsJvstgvoXxUk7Ue7BGUzQ79CgLAJ
Threatray 50 similar samples on MalwareBazaar
TLSH 3165014742CFC322ECE9B0F94BE8E9B5D11BF8506A315120C72E111ADED92B46E49BDD
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/149984/
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
Creating a file in the Windows subdirectories
DNS request
Sending an HTTP GET request
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
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b920bf0a496b989786853d9513a8453d065eed32a0df24976f30c88976d57505/
Threat name:
Win32.Ransomware.VirLock
Create hunting rule
Status:
Malicious
First seen:
2020-05-07 00:00:55 UTC
AV detection:
47 of 48 (97.92%)
Threat level:
  5/5
Verdict:
malicious
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+ 40 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210505-7vbzc9n5c6/
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
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:
6ebb15b565c96c331e058072fac57a1cee4eace245ac9b0d93679d7430223504
MD5 hash:
b44b8cae8a7e376b8c38e1604457ce0a
SHA1 hash:
e1c3a2812dbaaec16eca532724f98e12a988a77e
Link:
https://www.unpac.me/results/0610a0e0-9359-4242-90ab-580d53e9f7ba/
SH256 hash:
68369d0216803283788068a72d1cee8bf2dac63c1a604ba17f8f89c5699f88b3
MD5 hash:
3e4f1256abf4fff0dc01f15050ac430c
SHA1 hash:
4ad297995f06ccb9c0c691ee97327845b8d902b0
Link:
https://www.unpac.me/results/0610a0e0-9359-4242-90ab-580d53e9f7ba/
SH256 hash:
8509903f8b0a7a728c10e9eaf75a01d3cd6665e7d78f5ef5c7e0851e70956132
MD5 hash:
0883f2724260ce9f6de08548f513dfe9
SHA1 hash:
3db11a9424ee212c471cd92c5aabc75ad6675b35
Link:
https://www.unpac.me/results/0610a0e0-9359-4242-90ab-580d53e9f7ba/
SH256 hash:
b920bf0a496b989786853d9513a8453d065eed32a0df24976f30c88976d57505
MD5 hash:
7c8f55038c1bd64b86a0ca8e9c85a62e
SHA1 hash:
f5895b53a7b403c45cfd7e31ffc76073748493e6
Link:
https://www.unpac.me/results/0610a0e0-9359-4242-90ab-580d53e9f7ba/
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.

Cape
Cape
https://www.capesandbox.com/analysis/149984/

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