MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5065428bc91f6a12f48944a8c7299d559faf3d53e2c7c47db05bb9103450ab8d. 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: 7
| SHA256 hash: | 5065428bc91f6a12f48944a8c7299d559faf3d53e2c7c47db05bb9103450ab8d |
|---|---|
| SHA3-384 hash: | 2e610242d8c604ad70ef0debdaaadf2f7ff918b60c59275809a7f4688f56c1a84e9546477fcbeee0850ea06c2dc227d6 |
| SHA1 hash: | 55ecef18aa6467ce1a31219a2760764b3610ef43 |
| MD5 hash: | e091e59e3d0baa8a0ad35b9605f7da23 |
| humanhash: | gee-quiet-seven-ack |
| File name: | e091e59e_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 1'601'024 bytes |
| First seen: | 2021-05-05 08:08:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | bd8218eae1d0f92d8a2d4078829528df (1 x VirLock) |
| ssdeep | 24576:y/DTdK3M3oB7qkWZAAiQgfn3eiBvuFMn7wpgEyBE6zx6UCh6S3epAoJrH:iK8i7q+/DvrefyBE6AUCh6S3LoJ7 |
| Threatray | 61 similar samples on MalwareBazaar |
| TLSH | 8C75F217F01C6B3CC6CB4338BC91886E92DE0EA1AE9DBD11555E18AF3B161E06D90EF5 |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Zeus
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Creating a process from a recently created file
Creating a service
Launching a service
Creating a file in the Windows subdirectories
Searching for the window
Creating a file in the %temp% directory
DNS request
Running batch commands
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad.spre
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to automate explorer (e.g. start an application)
Creates an undocumented autostart registry key
Delayed program exit found
Drops executable to a common third party application directory
Infects executable files (exe, dll, sys, html)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.VirLock
Status:
Malicious
First seen:
2021-05-05 08:09:14 UTC
AV detection:
44 of 47 (93.62%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 51 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 Windows directory
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:
674ee222f2b861c329ff0acac80f3e7f1a2c817ff791e27b3f78a5946f208904
MD5 hash:
4f176bfd330c1d84164e6abe6f7abbdf
SHA1 hash:
2b17feaf36589fc4b723254afe3051c0fe87ec5f
SH256 hash:
154bc8cd1e62548c01123263d0aca51e53039a0e189a18756c0d76893cd77637
MD5 hash:
f8925fef06107609295cfb1778dea2f5
SHA1 hash:
28b2f763202052e00f957580ef28ac3ac8ef7343
SH256 hash:
5065428bc91f6a12f48944a8c7299d559faf3d53e2c7c47db05bb9103450ab8d
MD5 hash:
e091e59e3d0baa8a0ad35b9605f7da23
SHA1 hash:
55ecef18aa6467ce1a31219a2760764b3610ef43
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