MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d407b05c01f4fa48b2fed39737c3850961e2df38e4e76e1af6482770bc77a1de. 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: | d407b05c01f4fa48b2fed39737c3850961e2df38e4e76e1af6482770bc77a1de |
|---|---|
| SHA3-384 hash: | b0af7dd7d8e80c27f9cd85c83d65d8cbdb979d7fbb9d391b93edc50098d9c7ceadf6dce4b57b1968c58fc1e8d6b0693e |
| SHA1 hash: | c7ef6fddc1b48820b54cf1b47fc0822ad01bcefe |
| MD5 hash: | 4fa02afd5bbc31e0885d4581d151c26c |
| humanhash: | leopard-kentucky-beer-high |
| File name: | 4fa02afd_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 636'928 bytes |
| First seen: | 2021-05-05 11:05:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 94157afa3f5f233d4998a4ba18376df6 (1 x VirLock) |
| ssdeep | 12288:xqDK78rNN2f25DhBeVegHUO0/Vg4jXWQcPWuF2/06vR:xSKw627Az0t9Q/R6vR |
| Threatray | 285 similar samples on MalwareBazaar |
| TLSH | 74D4E0D453E548B0EB13C9F7870CB17D4959EE538C20AC61EE11BF6166B8BB209C87DA |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
89
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
Searching for the window
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:
2020-05-07 00:32:37 UTC
AV detection:
47 of 48 (97.92%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 275 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 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 extensions of user files
Modifies WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
26b55ef46c39fb8bedfece5669ea46052244ea1ec5813aa0caed1b1dde558260
MD5 hash:
8ea5b87d02f7896a91b279bc8d5081ca
SHA1 hash:
c3a15522db06787a8bfbd36db178cdb478883ecb
SH256 hash:
5570ecc497b104a4456e988568020be117a58e6eb2074294bd05e0e68f3379b9
MD5 hash:
c295f23a683714c533fa7d8fd01d928c
SHA1 hash:
33ed7269bffd3c72ec1662c4b279709e300c6e2f
SH256 hash:
d407b05c01f4fa48b2fed39737c3850961e2df38e4e76e1af6482770bc77a1de
MD5 hash:
4fa02afd5bbc31e0885d4581d151c26c
SHA1 hash:
c7ef6fddc1b48820b54cf1b47fc0822ad01bcefe
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):
============================================================
0) [F0002.001] Collection::Application Hook
1) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash
2) [C0045] File System Micro-objective::Copy File