MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ca65a7dc9bc7f08920b22c81068635a4eaa60cd67b957fd2b03091048b9d3c5. 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


Intelligence 6 IOCs YARA File information Comments 1

SHA256 hash: 4ca65a7dc9bc7f08920b22c81068635a4eaa60cd67b957fd2b03091048b9d3c5
SHA3-384 hash: 388c9c82036da0cb5d1e25651a92f46ceb54c5e0dcf0d2a54405dbe4b156dfd16ba854e453ca648850c2af0e5521399b
SHA1 hash: d8d7e55dc89b980a16c773d4f740d897fc93746e
MD5 hash: 6c928d29b3e39a0dac917a24f8c36b50
humanhash: south-delta-eleven-summer
File name:6c928d29_by_Libranalysis
Download: download sample
Signature VirLock
File size:772'096 bytes
First seen:2021-05-05 08:06:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4d1713b08e882843e3819c75fad63840 (1 x VirLock)
ssdeep 12288:hg9sMwWaGqFS/9V0ZH/TPuTR3czR8baJwA/32AD6lu+yDe1yTm:Umc/9V+HLO3AR8bQl6lu+yDe1yTm
Threatray 49 similar samples on MalwareBazaar
TLSH C1F4AEBB59054D67C379117E88A3BB902869045F30B6B2CBA690BFC11EBFB25F44359C
Reporter Libranalysis


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sending a UDP request
Creating a process from a recently created file
Creating a service
DNS request
Launching a service
Sending an HTTP GET request
Creating a file in the Windows subdirectories
Searching for the window
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 00:11:17 UTC
AV detection:
47 of 48 (97.92%)
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:
b6ec45f70313f259e0d85ad3babdc2d37e203944e5787b106bd7809903e860d3
MD5 hash:
137d345885bf7e2728ad0d6452424588
SHA1 hash:
344443b96c9d6e560c2e7e3b3d12ffa95946be24
SH256 hash:
9888ed86a27fbc2152e12843b2294e4092e386cae606accc8b8555b2faaedd05
MD5 hash:
53ecf29a6604936826a5c094ed2e455a
SHA1 hash:
9e94e4f074f39244ea8023cad4d98a9189f447db
SH256 hash:
4ca65a7dc9bc7f08920b22c81068635a4eaa60cd67b957fd2b03091048b9d3c5
MD5 hash:
6c928d29b3e39a0dac917a24f8c36b50
SHA1 hash:
d8d7e55dc89b980a16c773d4f740d897fc93746e
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 09:45:03 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash