MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b835cb8bff0857c7f074a631cea1042e106dc68cfa0c83f1bac76108b9b5eea. 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


Intelligence 5 IOCs YARA File information Comments 1

SHA256 hash: 7b835cb8bff0857c7f074a631cea1042e106dc68cfa0c83f1bac76108b9b5eea
SHA3-384 hash: 0d197f70e7200350c972c79e754e433718abf71d264755472424eede565fb5919eb9c4718a5c443b75e0bdd160dfdc3d
SHA1 hash: 7c4006400fe22dfa77cc7a1a377833820ef20302
MD5 hash: 057250a6a3696f787dbada7396897d8b
humanhash: oxygen-william-snake-lake
File name:057250a6_by_Libranalysis
Download: download sample
Signature VirLock
File size:766'976 bytes
First seen:2021-05-05 08:06:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4fc226282d959794d531700611ddf72 (1 x VirLock)
ssdeep 12288:RAi4RFFn4GKmTH9iiGk/m/NU4mNKpzzzzzzzzzzzzzvshzzzvzzzz3zzzBzsXzzd:RcXyy8SiJlY2ZxnTwTm
Threatray 68 similar samples on MalwareBazaar
TLSH 5AF4AD5227225FD4E0C12D7049A5E295EA04EBE339E613C5C8D5DF35D4A3FB2ABCE818
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Creating a service
DNS request
Launching a service
Searching for the window
Sending an HTTP GET request
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 a UDP 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 01:14:51 UTC
AV detection:
46 of 48 (95.83%)
Threat level:
  5/5
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 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:
00f73295ca0e31bf6b2e9de4019334fef68ffdc062aed3897cbfefc1d509e4b2
MD5 hash:
d016b8710711f364b98b3ea04943e55e
SHA1 hash:
4104a0a296738b8c5c327699933d28fc6fc72bb1
SH256 hash:
d3f02e53f0223a2c89a06fe0894b2d05899b9eb259530a092c952a9a9acb9e29
MD5 hash:
449d3e3061ed469d6b2b82b6891b3289
SHA1 hash:
f73d012e6cce3c524621c92a6084943eb9eb4119
SH256 hash:
7b835cb8bff0857c7f074a631cea1042e106dc68cfa0c83f1bac76108b9b5eea
MD5 hash:
057250a6a3696f787dbada7396897d8b
SHA1 hash:
7c4006400fe22dfa77cc7a1a377833820ef20302
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



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-05 09:46:12 UTC

============================================================
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