MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b17fa823bcd219ef0a2a3250ea9af8aa8a20b9db8afca7285198e6b64dac157c. 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
| SHA256 hash: | b17fa823bcd219ef0a2a3250ea9af8aa8a20b9db8afca7285198e6b64dac157c |
|---|---|
| SHA3-384 hash: | 5e07367220b36e057446fbed1aac8f789e3bef63bce9e0f3947bd5240b7a71b4741839440a6cab7af3eab3c49eab2f04 |
| SHA1 hash: | 49341c115eb3341a29af951acb1752fcab9eab28 |
| MD5 hash: | f2f797f593c5b3f35f2ef75316e15cb5 |
| humanhash: | texas-hydrogen-delaware-bakerloo |
| File name: | f2f797f5_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 546'304 bytes |
| First seen: | 2021-05-05 10:02:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1467df03ff545fc85481e5763ab6cebd (1 x VirLock) |
| ssdeep | 6144:yYuKfQdaNrV2DjZMTsROYwoMIP+twVDXvcem0yINscqAIX5x4FgOU5q2eoC7l:ub0UH+AUYSEPvcem0PN7VmOU5q2eD7l |
| Threatray | 191 similar samples on MalwareBazaar |
| TLSH | BDC4F19FBB530B91CA220AB54A72F1026E4CE8CF1D774DA886284775E93B435D316ECD |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Creating a process from a recently created file
Creating a service
Launching a service
Sending a UDP request
Creating a file in the Windows subdirectories
DNS 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.
Threat name:
Win32.Ransomware.VirLock
Status:
Malicious
First seen:
2020-05-19 06:53:13 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 181 additional samples on MalwareBazaar
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
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 WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
a10fba74ac3ffb51c412414b4264f555cca4ca5dab2696d4af9760d7cb579f91
MD5 hash:
3cf7376351bf25416be6b5c614f3f3af
SHA1 hash:
0bcfd103208343da042bacdb7fa53281767a290b
SH256 hash:
144689a6a7008b494cd4440e615c3a550636ccdba2dd9424eb865a5ee3d94fd6
MD5 hash:
1bcc5c1922bdc61706ddd412c3c84294
SHA1 hash:
debee467abf8dea67818d15660e52fc34c32fa7c
SH256 hash:
b17fa823bcd219ef0a2a3250ea9af8aa8a20b9db8afca7285198e6b64dac157c
MD5 hash:
f2f797f593c5b3f35f2ef75316e15cb5
SHA1 hash:
49341c115eb3341a29af951acb1752fcab9eab28
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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