MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 03b08332ab127855a6b1dd9e5f15c6114b1d85cdc5fa01ede2265630399af447. 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: | 03b08332ab127855a6b1dd9e5f15c6114b1d85cdc5fa01ede2265630399af447 |
|---|---|
| SHA3-384 hash: | 9358e8a172002efedaed6ed833f063673c329cc4ba2ddc14dcce4bea12ee6844a41d4e4f370fb929f292d8ddb198c9ee |
| SHA1 hash: | 1d17964e300dae037cdcf6bc8b41d4b251228901 |
| MD5 hash: | 604eb3ffa2aebf38d14181c5beb5255f |
| humanhash: | music-sixteen-sodium-potato |
| File name: | 604eb3ff_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 1'089'024 bytes |
| First seen: | 2021-05-05 10:07:37 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 136165f50ad383f44637a648eaa821b1 (1 x VirLock) |
| ssdeep | 24576:ctFt8Ipdjaw4LMrrHq/rZq8bO+7yMAWYT8cvTWK6:cZV94OHq/rZLmMqAc7WK6 |
| Threatray | 222 similar samples on MalwareBazaar |
| TLSH | 4535CF590FA2319DB57896FBC9DB4B24B5936BC13A181E7A02CF84F4727332F8385985 |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Zeus
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Sending a UDP request
Creating a process from a recently created file
Creating a service
Launching a service
DNS request
Searching for the window
Creating a file in the Windows subdirectories
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
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.
Threat name:
Win32.Ransomware.VirLock
Status:
Malicious
First seen:
2020-05-06 23:43:39 UTC
AV detection:
47 of 48 (97.92%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 212 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:
76a9c8b969715c3615f3b4ebea90e9210283f4fbf457ea28ac08a932c562c471
MD5 hash:
69fa2a8f53881c427f2dbb15e19b5ea7
SHA1 hash:
3f137fa26fc3a701ab05c733427a9ce426125b71
SH256 hash:
db0aec46a7d071252cdfd0c147271d466a49744d2590bc5d612f723486f88bae
MD5 hash:
29dd417c1eaec1cb430d663e0ce9463a
SHA1 hash:
9516e1ad613570feaff88e265669e6824fca3e60
SH256 hash:
03b08332ab127855a6b1dd9e5f15c6114b1d85cdc5fa01ede2265630399af447
MD5 hash:
604eb3ffa2aebf38d14181c5beb5255f
SHA1 hash:
1d17964e300dae037cdcf6bc8b41d4b251228901
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) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
2) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash