MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f1d30e1092cefc4d31aa257617389dd4498022a51a4766524afe22511f9dfa7. 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: 4f1d30e1092cefc4d31aa257617389dd4498022a51a4766524afe22511f9dfa7
SHA3-384 hash: 3cd0ff7b85c19394f5ddb0fd6fb71d640a3cc1efd07368b8d8d6adf9a98e21834dff5a94f19b530f7e832a7a9b23f836
SHA1 hash: 46c29acb2e3c4af5dad22e48c7013dc6800e6300
MD5 hash: 95d1d6b2d121199798fdcaa04089105d
humanhash: mississippi-lion-batman-tennis
File name:95d1d6b2_by_Libranalysis
Download: download sample
Signature VirLock
File size:672'768 bytes
First seen:2021-05-05 10:04:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4d3283fb11df9ddd721f3f9619b5622d (1 x VirLock)
ssdeep 12288:hJYy9p50if9durxtIKD+iv70uTr62jI8nLJmmdV38jsWXv:hJ59VFdmzIKDXgmPzpesW/
Threatray 159 similar samples on MalwareBazaar
TLSH 74E4E02222B64F0BE24949F1A4BACD4BA59C5673E48CB2D0117F22D35B2B779B34D49C
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sending a UDP request
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:
2020-05-16 08:02:34 UTC
AV detection:
47 of 48 (97.92%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence ransomware 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 Windows directory
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 extensions of user files
Modifies WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
8692439a6b1433ad124baf1953e0b3552db16a1847f259f603d13c8023a8f1b6
MD5 hash:
4dc7dece3ed27fe1ee97125e070353f9
SHA1 hash:
043aeb1312c617e9621e8b77334f54a6c29cdef8
SH256 hash:
c93902891c5dd415f32cab82bf13ce7f249ce8ee92651a620fb3e8a063ab1729
MD5 hash:
6f2e1671816e94c47ad7d4dc01689277
SHA1 hash:
907ded9ea07ea4a689017fdbe57c841923946cd1
SH256 hash:
4f1d30e1092cefc4d31aa257617389dd4498022a51a4766524afe22511f9dfa7
MD5 hash:
95d1d6b2d121199798fdcaa04089105d
SHA1 hash:
46c29acb2e3c4af5dad22e48c7013dc6800e6300
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