MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5847c10d87797bc92bbe204885b79204b491dafe0b591b1277a5ec39e11db532. 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


UnlockYourFiles


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5847c10d87797bc92bbe204885b79204b491dafe0b591b1277a5ec39e11db532
SHA3-384 hash: e1db724b4aeff049953d14bc66192887c8dc91ad5b3a224e09ec48c572236a27b494cb263b8e8a598b47b73bf56d24a2
SHA1 hash: 9bc3e71c07bfe589e633340533e44f32cb4e5b35
MD5 hash: 1e0be273be7e3c0587cd7fd1878431b2
humanhash: november-happy-harry-london
File name:5847c10d87797bc92bbe204885b79204b491dafe0b591b1277a5ec39e11db532.exe
Download: download sample
Signature UnlockYourFiles
Create hunting rule
File size:100'864 bytes
First seen:2021-05-22 08:24:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:W0Ddf1GaICq5m5ZfRjPV4vCKBKPhVZlQESdrT8BB6N+NwccIubm47cZ5:/Ddf1SCq5sLUCKW4s1bSmh
TLSH 3BA34D7C72948D12F8295DF18824B7CD0B6DFD056AE2DE4AFDCC3A7BEA61B0505C4A42
Reporter Finch39487976
Tags:Ransomware UnlockYourFiles

Intelligence

File Origin
# of uploads :
1
# of downloads :
373
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5847c10d87797bc92bbe204885b79204b491dafe0b591b1277a5ec39e11db532.exe
Verdict:
Malicious activity
Analysis date:
2021-05-22 08:28:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dfe8f2c5-7814-49e4-9eb7-4eaa4008a450

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/160795/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Changing a file
Moving a file to the %AppData% subdirectory
Sending a custom TCP request
Launching a process
Searching for the window
Creating a file
DNS request
Sending a UDP request
Possible injection to a system process
Enabling autorun with the shell\open\command registry branches
Creating a file in the mass storage device
Forced shutdown of a system process
Encrypting user's files
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.
Result
Threat name:
UnlockYourFiles
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/788299
Signature
Detected unpacking (overwrites its own PE header)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected UnlockYourFiles Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5847c10d87797bc92bbe204885b79204b491dafe0b591b1277a5ec39e11db532/
Threat name:
ByteCode-MSIL.Ransomware.CryptoLock
Create hunting rule
Status:
Malicious
First seen:
2021-05-22 01:31:00 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lbd4cdmhpf54sk56ebeiln4sas2jdwx6bnmrwetxuxwdtyi5wuza._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/210522-978dxx6v8x/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Modifies Installed Components in the registry
Modifies extensions of user files
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Filecoder
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5847c10d87797bc92bbe204885b79204b491dafe0b591b1277a5ec39e11db532

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
X
https://twitter.com/fbgwls245/status/1395967679400267778
  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/160795/

Comments