MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4bd8ca7a186343d59945c7258608115dceecb2da70ee94391774ff5f3f6e189f. 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: | 4bd8ca7a186343d59945c7258608115dceecb2da70ee94391774ff5f3f6e189f |
|---|---|
| SHA3-384 hash: | de21bce348a647c233be3435410bb9b29ac08b16807eaeef4c67b162e37fb5525b3a75898033fa4554c0eaa796e1dc76 |
| SHA1 hash: | 3ee0dc50a5b1ada2d90b6a96776934d91758491c |
| MD5 hash: | 399a5bb2c92b73c1bdabb0307ca24ee5 |
| humanhash: | solar-yankee-lima-beryllium |
| File name: | 399a5bb2_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 766'976 bytes |
| First seen: | 2021-05-05 08:07:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ab0fdaa59083cf06bab8d15e715a6a21 (1 x VirLock) |
| ssdeep | 12288:E6EIUoxsRVJj0Bv9QYcwhzbVA1RSgkIUNKqI2qMlAT1uKTm:cgxsOBvaYfURSQUNKq1RliTm |
| Threatray | 62 similar samples on MalwareBazaar |
| TLSH | 1AF4AD39AE6D9531EBA57CB5AA441FF51E2B2B084A439D30E9B41B1C7DF3DE0909432C |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Sending a custom TCP request
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
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 01:24:22 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 52 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 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 extensions of user files
Modifies WinLogon for persistence
Modifies visibility of file extensions in Explorer
UAC bypass
Unpacked files
SH256 hash:
502418fbfce13dc35fd1776c28fc57402ea05ca5af5f37ef405ee91ed7c9286d
MD5 hash:
cbe7e80d4d856ea1328a215504e351ac
SHA1 hash:
43ae323c4166b3d615b08f30beb7aa45f64bdb6f
SH256 hash:
7ca5749bec29aa28ff8a03f2f0d6a73ebc5f96cb64b48ff491b4c8b1dc8836cb
MD5 hash:
20fa510bfaaa8c3eef80269a172e6a4d
SHA1 hash:
357c8feee563a2be0fd53e3bfc09e2ff9d8600a8
SH256 hash:
4bd8ca7a186343d59945c7258608115dceecb2da70ee94391774ff5f3f6e189f
MD5 hash:
399a5bb2c92b73c1bdabb0307ca24ee5
SHA1 hash:
3ee0dc50a5b1ada2d90b6a96776934d91758491c
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) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash