MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 feb3e6d30ba573ba23f3bd1291ca173b7879706d1fe039c34d53a4fdcdf33ede. 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


DoejoCrypt


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: feb3e6d30ba573ba23f3bd1291ca173b7879706d1fe039c34d53a4fdcdf33ede
SHA3-384 hash: 31bab04077e11955750d535b0d5ad0f69664d0dd812acb5baa51970c24095d226e2a9a8ff770852040637d1d7b81b8bb
SHA1 hash: b7d99521348d319f57d2b2ba7045295fc99cf6a7
MD5 hash: c6eeb14485d93f4e30fb79f3a57518fc
humanhash: carbon-arizona-bluebird-network
File name:feb3e6d30ba573ba23f3bd1291ca173b7879706d1fe039c34d53a4fdcdf33ede.bin
Download: download sample
Signature DoejoCrypt
Create hunting rule
File size:1'322'496 bytes
First seen:2021-03-11 22:56:10 UTC
Last seen:2021-03-12 06:51:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f8b8e20e844ccd50a8eb73c2fca3626d (5 x DoejoCrypt)
ssdeep 24576:LU5NX2yJOiUXmEICxu2WAP0NIzkQM+KpPRQ9StIUDpl1fpxkzVZgMCS+:L7XP7P9o5QzUtl1fpxkzVZgMC3
Threatray 1 similar samples on MalwareBazaar
TLSH 9355CFC3FAC248F2D846097951B3973B5F3ADA10832AC5C3DFA159A59C21AD1673E3C9
Reporter Arkbird_SOLG
Tags:DearCry DoejoCrypt Ransomware

Intelligence

File Origin
# of uploads :
3
# of downloads :
436
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
feb3e6d30ba573ba23f3bd1291ca173b7879706d1fe039c34d53a4fdcdf33ede.bin
Verdict:
Malicious activity
Analysis date:
2021-03-11 22:59:28 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/7101eab1-8853-4783-9524-3198acab7b73

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Cryptxxx
Create hunting rule
Link:
https://www.capesandbox.com/analysis/123879/
Detection(s):
SecuriteInfo.com.Trojan.Encoder.33592.19225.351.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changing a file
Modifying an executable file
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Sending a UDP request
Encrypting user's files
Infecting executable 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:
Unknown
Detection:
malicious
Classification:
rans.spre.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/637411
Signature
Creates files in the recycle bin to hide itself
Drops executable to a common third party application directory
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes many files with high entropy
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/feb3e6d30ba573ba23f3bd1291ca173b7879706d1fe039c34d53a4fdcdf33ede/
Threat name:
Win32.Ransomware.Dearcry
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 03:51:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
26 of 47 (55.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=72z6nuyluvz3ui7txujjdsqxhn4hs4dnd7qdtq2nkosp3tpth3pa._file
Verdict:
malicious
Similar samples:
e044d9f2d0f1260c3f4a543a1e67f33fcac265be114a1b135fd575b860d2b8c6
DoejoCrypt
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210311-lq2qgx4z9s/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Program crash
Drops file in Program Files directory
Drops desktop.ini file(s)
Enumerates connected drives
Reads user/profile data of web browsers
Modifies Installed Components in the registry
Modifies extensions of user files
Unpacked files
SH256 hash:
feb3e6d30ba573ba23f3bd1291ca173b7879706d1fe039c34d53a4fdcdf33ede
MD5 hash:
c6eeb14485d93f4e30fb79f3a57518fc
SHA1 hash:
b7d99521348d319f57d2b2ba7045295fc99cf6a7
Link:
https://www.unpac.me/results/d9ae0e90-f1b4-41dd-a80a-cef2713f8496/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/feb3e6d30ba573ba23f3bd1291ca173b7879706d1fe039c34d53a4fdcdf33ede

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:DoejoCrypt
Create hunting rule
Author:James Quinn
Description:DoejoCrypt Detection
Rule name:WIN_RANSOM_DEARCRY
Create hunting rule
Author:!j
Description:DEARCRY ransomware

File information

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

  
X
https://twitter.com/demonslay335/status/1370125343571509250
  
X
https://twitter.com/vxNer0/status/1370133966884331530
Cape
Cape
https://www.capesandbox.com/analysis/123879/

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