MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56f1a65ab205548d7cc50c044c510210f084d7c7a381be7e3dd6530da1ce6aff. 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



Dharma


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 56f1a65ab205548d7cc50c044c510210f084d7c7a381be7e3dd6530da1ce6aff
SHA3-384 hash: fd31b2f4d2c20f81e9f06eb2dda3999c2691bf52c96b5e5923c9a5a1d13ce76d71e784a66ff6513b79f7d62013f77ca0
SHA1 hash: 494f90266d9fa3e53130eafa9ab2eebcf2fe466f
MD5 hash: f315c5467a601a99d028271dfd7f5017
humanhash: double-sad-massachusetts-freddie
File name:56f1a65ab205548d7cc50c044c510210f084d7c7a381be7e3dd6530da1ce6aff
Download: download sample
Signature Dharma
File size:94'722 bytes
First seen:2020-09-11 08:08:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f86dec4a80961955a89e7ed62046cc0e (42 x Dharma)
ssdeep 1536:mBwl+KXpsqN5vlwWYyhY9S4AzwNlvEGyLm0v/QkFaWGyBeVZHAi:Qw+asqN5aW/hLqN/yLukFaWLBeF
Threatray 29 similar samples on MalwareBazaar
TLSH 3B938C28D921D036E8A310FFCBF656FD6D644B10230794D7A7C41D89A7869E9F932A33
Reporter @JAMESWT_MHT
Tags:Crysis Dharma Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
3'395
Origin country :
IT IT
Mail intelligence
No data
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the system32 directory
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Changing a file
Modifying an executable file
Replacing executable files
Creating a file in the Program Files subdirectories
Launching a process
Moving a file to the Program Files subdirectory
Creating a file in the Program Files directory
Launching a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Enabling autorun by creating a file
Infecting executable files
Result
Threat name:
Crysis Wadhrama
Detection:
malicious
Classification:
rans.adwa.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates files in the recycle bin to hide itself
Deletes shadow drive data (may be related to ransomware)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes many files with high entropy
Yara detected Crysis Ransomware
Yara detected Wadhrama Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284399 Sample: NOvQO9Jehj Startdate: 11/09/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 9 other signatures 2->44 7 NOvQO9Jehj.exe 1 501 2->7         started        11 NOvQO9Jehj.exe 2->11         started        13 NOvQO9Jehj.exe 2->13         started        15 OpenWith.exe 2->15         started        process3 file4 26 C:\Windows\System3226OvQO9Jehj.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\...28OvQO9Jehj.exe, PE32 7->28 dropped 30 9c5ff71d729b44918d...olonline.top].arena, DOS 7->30 dropped 32 348 other files (337 malicious) 7->32 dropped 46 Creates files in the recycle bin to hide itself 7->46 48 Drops PE files to the startup folder 7->48 50 Creates an autostart registry key pointing to binary in C:\Windows 7->50 52 Writes many files with high entropy 7->52 17 cmd.exe 1 7->17         started        signatures5 process6 signatures7 34 May disable shadow drive data (uses vssadmin) 17->34 36 Deletes shadow drive data (may be related to ransomware) 17->36 20 conhost.exe 17->20         started        22 vssadmin.exe 1 17->22         started        24 mode.com 1 17->24         started        process8
Threat name:
Win32.Ransomware.Crysis
Status:
Malicious
First seen:
2020-08-31 01:11:23 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
ransomware spyware family:dharma persistence
Behaviour
Interacts with shadow copies
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in System32 directory
Modifies service
Adds Run key to start application
Drops desktop.ini file(s)
Drops startup file
Reads user/profile data of web browsers
Deletes shadow copies
Dharma

YARA Signatures


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

Rule name:MAL_Ransomware_Wadhrama
Author:Florian Roth
Description:Detects Wadhrama Ransomware via Imphash
Reference:Internal Research
Rule name:win_dharma_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Comments