MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa3f8ef2a80b074eabd6b3947b9b61612775890c1963c7d0cc01a60053971a24. 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: aa3f8ef2a80b074eabd6b3947b9b61612775890c1963c7d0cc01a60053971a24
SHA3-384 hash: 11dbc21d228c668686fcd68a2d8dbc419a587c092d1f7dd0d162cfc9561f1a0f32642106185a39b5b450a76740172401
SHA1 hash: 3af95cd9024fefe4bbc80ccfed3bc837cbc25c4e
MD5 hash: 778e7b86df574f274a81063dc3003f82
humanhash: alaska-robert-robert-monkey
File name:778e7b86_by_Libranalysis
Download: download sample
Signature VirLock
File size:673'280 bytes
First seen:2021-05-05 08:03:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9d2c8532aca02a468873a34a16061aa6 (1 x VirLock)
ssdeep 12288:QW8yB4yrAXmXzZ3MoBS81+BFdQoEOnCV4iRR7vC/d5m3S:Z8yZDZ8enmZo4ir7bi
Threatray 27 similar samples on MalwareBazaar
TLSH 71E4E0BB855EF2A4D2E6C5BC04C52A56EAC34749E6F5FB0D22142D55D2E203B33B318B
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
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
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Sending a UDP request
Running batch commands
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Searching for the window
Sending an HTTP GET 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:
2020-05-06 23:53:50 UTC
AV detection:
47 of 48 (97.92%)
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
Deletes itself
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:
1f459fd048947210f285f3caa4ab06f949740db1689f0e2fcea7d1310f5953db
MD5 hash:
605ed12c9630d44d424389f3322a9b54
SHA1 hash:
2fb9f19269363629c127766536911f669d05db85
SH256 hash:
a6cc19bb573be02e90ab3e302bb966b124b373d741b98b4d6a59a6f4901fec66
MD5 hash:
3010e86637ffff81eb0f85f4906d1f86
SHA1 hash:
6ed471ad7b5ed0fd54fd887cde1017fc9092cc2e
SH256 hash:
aa3f8ef2a80b074eabd6b3947b9b61612775890c1963c7d0cc01a60053971a24
MD5 hash:
778e7b86df574f274a81063dc3003f82
SHA1 hash:
3af95cd9024fefe4bbc80ccfed3bc837cbc25c4e
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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