MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a53eb7636d21f9e2fa4d2c1c08855c45553b5fdf58f3ae9d247d4dc802fed8c6. 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
| SHA256 hash: | a53eb7636d21f9e2fa4d2c1c08855c45553b5fdf58f3ae9d247d4dc802fed8c6 |
|---|---|
| SHA3-384 hash: | 0f995aab58c902bdc93e9e57b3f852f6af2f7d913483c4f3fab3771f7d7f50bbc0aa13752e3dedc0701dd4ddccfade86 |
| SHA1 hash: | e634533ba0d7c4d8b0f2cc67727aa3e18560d650 |
| MD5 hash: | 533b8e9612564a9a8267b9a0dc46f99f |
| humanhash: | blue-beer-lamp-emma |
| File name: | 533b8e96_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 765'440 bytes |
| First seen: | 2021-05-05 10:04:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 11be332f628a3570c60c997382456593 (1 x VirLock) |
| ssdeep | 12288:KdWhCa80oYIfySY0NFIwNCR8q0Lfixo9ry5IID4XTm:2WhCaxSUqDLf8oFC8XTm |
| Threatray | 184 similar samples on MalwareBazaar |
| TLSH | C4F4BFD88220843BD341C9B46BEF6F7F4553CA9808DEC45EBE3DBBC2B8115819D67668 |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
97
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
DNS request
Sending an HTTP GET request
Creating a file in the Windows subdirectories
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
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Changing the Windows explorer settings to hide files extension
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 10:05:25 UTC
AV detection:
26 of 27 (96.30%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 174 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
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:
2618c865040a26afa6f3c0b3e49a0ee687e29644519c0fd57e5cc512ba687686
MD5 hash:
e14ac67990bcd5e37f24347f1358c922
SHA1 hash:
7163e4c8f1d9bc1ce547a8fd92e0a4a8429eabfb
SH256 hash:
af530d24f2874ff6f2ffaa95072c1ac6a17e26aa7102ab1cc5a82a34ac066ce9
MD5 hash:
181e75428eab88bcce76ae8d6cc4b686
SHA1 hash:
8ce7de31c56486eed887928ec7a76c3f81bfe9cc
SH256 hash:
a53eb7636d21f9e2fa4d2c1c08855c45553b5fdf58f3ae9d247d4dc802fed8c6
MD5 hash:
533b8e9612564a9a8267b9a0dc46f99f
SHA1 hash:
e634533ba0d7c4d8b0f2cc67727aa3e18560d650
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
VirLock
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash