MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81363899c2c1afb314220a28bc2a73e428dea6bda248e0d354c933a884aaabeb. 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: | 81363899c2c1afb314220a28bc2a73e428dea6bda248e0d354c933a884aaabeb |
|---|---|
| SHA3-384 hash: | dfcb95a085f43cc9599b0807f9f2098c2725587c6f20ef3cbe730eecccde8b0a80dbefcf950ba62933d05ef628c1fdec |
| SHA1 hash: | d5926003a887024cc1e7ce94c54c8ca11fac07ca |
| MD5 hash: | 0b714a22c4ac24c8f1f521922b7deb9d |
| humanhash: | arkansas-beryllium-don-item |
| File name: | 0b714a22_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 1'043'968 bytes |
| First seen: | 2021-05-05 08:06:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 417c36dffc40e17d9ce6f6352938e0b3 (1 x VirLock) |
| ssdeep | 24576:4J5nxa4846PvBhjKcw0R4pARjXL25IVE1vh3sh0ZRE58:uBxr8JKcwIcKbQIq |
| Threatray | 86 similar samples on MalwareBazaar |
| TLSH | BE25BE7BAF77622FF521B83F894D41AC640BCAD904B398F57582E6F03D160A946E907C |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Zeus
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
DNS request
Creating a process from a recently created file
Creating a service
Launching a service
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:
2020-05-17 16:19:31 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 76 additional samples on MalwareBazaar
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 SetWindowsHookEx
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 extensions of user files
Modifies WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
32bbb1f8fa3560dc04b6f2fa76e8f3b3a9402c3a0e9dd33b5b8d0f6640c92842
MD5 hash:
97f47a2bcbbb0c889a13acfeb1a28cb0
SHA1 hash:
219a1e715f2b6103eb2ccf7dd91355ceb0508f8b
SH256 hash:
bfd351ca0008b03b381b5b0a54b7c1d7e34c901472c0eef648ceca5da081d778
MD5 hash:
49daba8e08de4e399a0afd4b836f76b8
SHA1 hash:
ace8a61c8f6d6414f991250f95de527f9db25b47
SH256 hash:
81363899c2c1afb314220a28bc2a73e428dea6bda248e0d354c933a884aaabeb
MD5 hash:
0b714a22c4ac24c8f1f521922b7deb9d
SHA1 hash:
d5926003a887024cc1e7ce94c54c8ca11fac07ca
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
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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