MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 751f8b351081ff6b1d7134e75dd93daee4e3bb2df6c4049c8a7175bcaa899528. 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 1

SHA256 hash: 751f8b351081ff6b1d7134e75dd93daee4e3bb2df6c4049c8a7175bcaa899528
SHA3-384 hash: a70d78eab266e27b432a40412e1549edf16e43f2841ba89f6c0c92f99a4d94f52fccbcc8dca6d31d437755038feb5d15
SHA1 hash: 179908ab5e6189a5ec43a65753b66d0cf052e5cd
MD5 hash: 1c76800f9c0d5d45f1d26bfc1f8265f8
humanhash: speaker-oscar-eight-paris
File name:1c76800f_by_Libranalysis
Download: download sample
Signature VirLock
File size:628'736 bytes
First seen:2021-05-05 08:07:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1eba9a838ceda7617f3eb94edbfc3e6 (1 x VirLock)
ssdeep 12288:BmSWlNoV+KtoCAMIs5xj1vbcvRHROuMHCSn4Jqldtuy4r:ASuHCAMIs5N1QOuMHCS4B
Threatray 65 similar samples on MalwareBazaar
TLSH 72D4F1ADE73F0E53E99C53B6E4E41025266339432519DDB5FEF6C470A222B442133E6B
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file
Creating a process from a recently created file
Creating a service
Launching a service
DNS request
Searching for the window
Creating a file in the Windows subdirectories
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
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 01:41:26 UTC
AV detection:
31 of 31 (100.00%)
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
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 WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
16a74d6d7264afee343c61bc03a884ee7da097347eb85db99298818dd4a10e95
MD5 hash:
3bf1755efe7d66a1650a11a22c298ce0
SHA1 hash:
6cf659093e79a2ba72427d07647a915eaaca73a8
SH256 hash:
dc041a6a46d36c533cead4f1d3b6f18ee7dcefd40c7fa1fe775c93a449434f08
MD5 hash:
206d833d78bf9199bf121e2f98371b63
SHA1 hash:
b3cf106bdd76728d5df97a4105c0ed57455873db
SH256 hash:
751f8b351081ff6b1d7134e75dd93daee4e3bb2df6c4049c8a7175bcaa899528
MD5 hash:
1c76800f9c0d5d45f1d26bfc1f8265f8
SHA1 hash:
179908ab5e6189a5ec43a65753b66d0cf052e5cd
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.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-05 09:22:06 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash