MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2b9838da7edb0decd32b086e47a31e8f5733b5981ad8247a2f9508e232589bff. 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
| SHA256 hash: | 2b9838da7edb0decd32b086e47a31e8f5733b5981ad8247a2f9508e232589bff |
|---|---|
| SHA3-384 hash: | 4fbe9ba0617d610459adcb3276146f67e4af35255fcc21df29c3281c9c67d1b0467a2ba47a543cafcf15da79bdfe350f |
| SHA1 hash: | f7b084e581a8dcea450c2652f8058d93797413c3 |
| MD5 hash: | 0e55ead3b8fd305d9a54f78c7b56741a |
| humanhash: | beryllium-venus-stream-hot |
| File name: | s1.exe |
| Download: | download sample |
| Signature | DoejoCrypt |
| File size: | 1'322'496 bytes |
| First seen: | 2021-03-12 06:49:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f8b8e20e844ccd50a8eb73c2fca3626d (5 x DoejoCrypt) |
| ssdeep | 24576:LU5NX2yJOiUXmEICxu2WAP0NIzkQM+KpPRQ9StIUDpl1fpxkHVZgMCS+:L7XP7P9o5QzUtl1fpxkHVZgMC3 |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | 1B55CFC3FAC248F2D846097951B3973B5F3ADA10832AC5C3DFA159A59C21AD1673E3C9 |
| Reporter |  lazyactivist192 |
| Tags: | DearCry DoejoCrypt Ransomware |
Intelligence
File Origin
# of uploads :
1
# of downloads :
482
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
s1.exe
Verdict:
Malicious activity
Analysis date:
2021-03-12 06:34:50 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Cryptxxx
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
Creating a file
Changing a file
Modifying an executable file
Sending a UDP request
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Deleting a recently created file
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
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:
Threat name:
Win32.Ransomware.Dearcry
Status:
Malicious
First seen:
2021-03-09 22:09:01 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
27 of 47 (57.45%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
n/a
Score:
8/10
Tags:
persistence ransomware spyware stealer
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:
2b9838da7edb0decd32b086e47a31e8f5733b5981ad8247a2f9508e232589bff
MD5 hash:
0e55ead3b8fd305d9a54f78c7b56741a
SHA1 hash:
f7b084e581a8dcea450c2652f8058d93797413c3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Filecoder
Score:
1.00
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 |
|---|---|
| Author: | James Quinn |
| Description: | DoejoCrypt Detection |
| Rule name: | WIN_RANSOM_DEARCRY |
|---|---|
| Author: | !j |
| Description: | DEARCRY ransomware |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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You need to login to in order to write a comment. Login with your abuse.ch account.Found on VT using microsoft's Ransom:Win32/DoejoCrypt.A detection