MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8c8926659417ac5842cf15005e5f582582312a5eeb4bf5658ad78567d635a6e. 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: | b8c8926659417ac5842cf15005e5f582582312a5eeb4bf5658ad78567d635a6e |
|---|---|
| SHA3-384 hash: | da9f243c990084fb601477d721f8b6b217b005a09ae553868465d116077e49a973fe438a4ddc346cf2258c775c4b1596 |
| SHA1 hash: | ff248d44520bd924f992908bd16c489c2d7e80b7 |
| MD5 hash: | 7b9f417fcb6f9e922e288590764dad95 |
| humanhash: | cat-north-magazine-washington |
| File name: | 7b9f417f_by_Libranalysis |
| Download: | download sample |
| Signature | VirLock |
| File size: | 770'560 bytes |
| First seen: | 2021-05-05 10:05:34 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b4fcf8dc3e41f3f3a14e34a61eaeab65 (1 x VirLock) |
| ssdeep | 12288:Ck/odUd98yYAaRBG+ZOp9mkRdxLek1BzY0p329Ss+2BPc0Cl2EKTic9HNTm:1oSbYBxZO7mgxLF1dpmQwB/ClNKTiiNS |
| Threatray | 232 similar samples on MalwareBazaar |
| TLSH | 2CF4AEAEF288AFD4D1E19371C4B107C01A955903B55881B63BE88FF7BAB47AD01C4ED6 |
| Reporter |  Libranalysis |
Intelligence
File Origin
# of uploads :
1
# of downloads :
95
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
DNS request
Creating a file in the %temp% directory
Running batch commands
Sending an HTTP GET request
Deleting a recently created file
Launching a process
Creating a process with a hidden window
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:
2020-05-07 01:23:12 UTC
AV detection:
47 of 48 (97.92%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 222 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:
f77f2b411402be7c86f55540fac3d34b32cad1c0531d31a6ecba879c5339f0eb
MD5 hash:
b6d816a9f21774609335a8d43b578b08
SHA1 hash:
2ab3c974de3796484e20df08c77a6a41764793c0
SH256 hash:
cf709f075f56b1ec923337d605cac4eaccf33859c3f306032afa3b04893fb6ec
MD5 hash:
a97697c1c6d37b0415c8f7ed83663cac
SHA1 hash:
408d2c67f96f350ff068bd7e27cea4c0a5a8fb4d
SH256 hash:
5e0eca4fb9bcb6f2c4a1676b5b04376aaf8c756152c6a42487a5e2fde7ea4a00
MD5 hash:
aef26b96b07d698e546361079a0280be
SHA1 hash:
1e56cc4a8b86ba4df237b35f3c35dd8a396d7b72
SH256 hash:
b8c8926659417ac5842cf15005e5f582582312a5eeb4bf5658ad78567d635a6e
MD5 hash:
7b9f417fcb6f9e922e288590764dad95
SHA1 hash:
ff248d44520bd924f992908bd16c489c2d7e80b7
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):
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0) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash