MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c65ba6d4dad9a0a187ad7055cbb33c8046c6272aa54b680f35b64bfc24579921. 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: | c65ba6d4dad9a0a187ad7055cbb33c8046c6272aa54b680f35b64bfc24579921 |
|---|---|
| SHA3-384 hash: | 631cef60f91fb11782887c6215ecf27d7c26fba28a4daf8e2cb2f4189d29616928f555874790f6bdc45ddd9bd37d4261 |
| SHA1 hash: | 72a67c3240fe4007485cd916f9559539c3718b8a |
| MD5 hash: | 633fe6b5de545f9a0dec7a90bd3cabbf |
| humanhash: | victor-snake-alpha-zulu |
| File name: | 633fe6b5_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 637'440 bytes |
| First seen: | 2021-05-05 11:05:45 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f49b8fce75b0eb145d79df67ac9555af (1 x VirLock) |
| ssdeep | 12288:G7f7jmdAiy7q/ph/6FJ/K8hGhv8xaUJRnJwGu91rv1oslEEtIrf/L:pCY/eHxhgUpJRnJwGu91NtIbL |
| Threatray | 285 similar samples on MalwareBazaar |
| TLSH | 74D4F189932AE40EC3ACF13075BC10A67596D474EC782B8EB5CC69C064B25F7C6AD1ED |
| 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
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Running batch commands
DNS request
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Searching for the 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:
2021-05-05 11:06:17 UTC
AV detection:
44 of 47 (93.62%)
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 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:
ede0a515de5445e8ad76d0a7d8b713b0093fe08a8d091645b5d0c958a69fe49a
MD5 hash:
c8a0729a95646ad12c0a6029643e0c7d
SHA1 hash:
b0f98dcea99deb9cdd6080a709f254af724b8c4b
SH256 hash:
1056644d19956d57899c797020245d93c37ca5f80c900fbc235ac0767a418349
MD5 hash:
764b958b405753396fa08bd74cfebdc8
SHA1 hash:
0c401a882ba5411fb151e359fe30253fecb24f5e
SH256 hash:
c65ba6d4dad9a0a187ad7055cbb33c8046c6272aa54b680f35b64bfc24579921
MD5 hash:
633fe6b5de545f9a0dec7a90bd3cabbf
SHA1 hash:
72a67c3240fe4007485cd916f9559539c3718b8a
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.
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash
1) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry