MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef01c633086281daf32ad4dacb198aed45ead40af307c8cb973422c7dcab52de. 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: | ef01c633086281daf32ad4dacb198aed45ead40af307c8cb973422c7dcab52de |
|---|---|
| SHA3-384 hash: | 73c05279ebe3289f24cf3b88aedb9169597e13d401b7831e1a9f9b067b3c17644361ad7db23e9047ace2760f72b1ed70 |
| SHA1 hash: | f93105d41f344e98dd0d17908c7ee24b6bb91960 |
| MD5 hash: | cdadad760c91d178671a9fe697b9005d |
| humanhash: | colorado-illinois-massachusetts-rugby |
| File name: | cdadad76_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 593'408 bytes |
| First seen: | 2021-05-05 10:02:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9190d4466c63462cec39c0b636663f19 (1 x VirLock) |
| ssdeep | 12288:1croiJfodY7MrlC63ekT7+veAbQdhABPf:maY7MrxbT7+ver8x |
| Threatray | 175 similar samples on MalwareBazaar |
| TLSH | B6C4D0982F9E487EFCC560769B01AAABC099C55ECD73C6AFCBF9320F17552991720834 |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
71
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
Sending a UDP request
Creating a service
Launching a service
DNS request
Creating a file in the Windows subdirectories
Searching for the window
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:
2020-05-07 00:31:02 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
5/5
Verdict:
malicious
Label(s):
cobaltstrike
Similar samples:
+ 165 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
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:
e485861f16a2dcf369f6fd72c4c2168d9e391948b409fe8e93e194689e92f047
MD5 hash:
4fafeed419d17b913f6e1e6936f4f189
SHA1 hash:
6b5219b6f27e095dced40feb27d132ed95cfba19
SH256 hash:
ef01c633086281daf32ad4dacb198aed45ead40af307c8cb973422c7dcab52de
MD5 hash:
cdadad760c91d178671a9fe697b9005d
SHA1 hash:
f93105d41f344e98dd0d17908c7ee24b6bb91960
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
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.